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@@ -1,748 +0,0 @@
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-package com.tzld.piaoquan.recommend.server.service.rank.strategy;
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-
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-import com.ctrip.framework.apollo.spring.annotation.ApolloJsonValue;
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-import com.google.common.reflect.TypeToken;
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-import com.tzld.piaoquan.recommend.server.common.base.RankItem;
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-import com.tzld.piaoquan.recommend.server.model.Video;
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-import com.tzld.piaoquan.recommend.server.service.rank.RankParam;
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-import com.tzld.piaoquan.recommend.server.service.rank.RankResult;
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-import com.tzld.piaoquan.recommend.server.service.rank.RankService;
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-import com.tzld.piaoquan.recommend.server.service.rank.extractor.ExtractorUtils;
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-import com.tzld.piaoquan.recommend.server.service.rank.extractor.RankExtractorItemFeature;
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-import com.tzld.piaoquan.recommend.server.service.rank.extractor.RankExtractorItemTags;
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-import com.tzld.piaoquan.recommend.server.service.rank.extractor.RankExtractorUserFeature;
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-import com.tzld.piaoquan.recommend.server.service.rank.processor.RankProcessorBoost;
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-import com.tzld.piaoquan.recommend.server.service.rank.processor.RankProcessorDensity;
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-import com.tzld.piaoquan.recommend.server.service.rank.processor.RankProcessorInsert;
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-import com.tzld.piaoquan.recommend.server.service.rank.processor.RankProcessorTagFilter;
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-import com.tzld.piaoquan.recommend.server.service.recall.strategy.*;
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-import com.tzld.piaoquan.recommend.server.service.score.ScorerUtils;
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-import com.tzld.piaoquan.recommend.server.util.CommonCollectionUtils;
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-import com.tzld.piaoquan.recommend.server.util.JSONUtils;
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-import lombok.extern.slf4j.Slf4j;
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-import org.apache.commons.collections4.CollectionUtils;
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-import org.apache.commons.lang3.RandomUtils;
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-import org.springframework.data.redis.connection.RedisConnectionFactory;
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-import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
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-import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
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-import org.springframework.data.redis.core.RedisTemplate;
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-import org.springframework.data.redis.serializer.StringRedisSerializer;
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-import org.springframework.stereotype.Service;
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-
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-import java.text.SimpleDateFormat;
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-import java.util.*;
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-import java.util.stream.Collectors;
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-
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-/**
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- * @author zhangbo
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- * @desc 地域召回融合 流量池汤姆森
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- */
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-@Service
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-@Slf4j
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-public class RankStrategy4RegionMergeModelV552 extends RankService {
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- @ApolloJsonValue("${rank.score.merge.weightv552:}")
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- private Map<String, Double> mergeWeight;
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- @ApolloJsonValue("${RankStrategy4DensityFilterV2:}")
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- private Map<String, Map<String, Map<String, String>>> filterRules = new HashMap<>();
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- final private String CLASS_NAME = this.getClass().getSimpleName();
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-
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- public void duplicate(Set<Long> setVideo, List<Video> videos) {
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- Iterator<Video> iterator = videos.iterator();
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- while (iterator.hasNext()) {
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- Video v = iterator.next();
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- if (setVideo.contains(v.getVideoId())) {
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- iterator.remove();
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- } else {
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- setVideo.add(v.getVideoId());
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- }
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- }
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- }
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-
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- @Override
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- public List<Video> mergeAndRankRovRecall(RankParam param) {
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- Map<String, Double> mergeWeight = this.mergeWeight != null ? this.mergeWeight : new HashMap<>(0);
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- //-------------------融-------------------
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- //-------------------合-------------------
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- //-------------------逻-------------------
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- //-------------------辑-------------------
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-
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- List<Video> oldRovs = new ArrayList<>();
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- oldRovs.addAll(extractAndSort(param, RegionHRecallStrategy.PUSH_FORM));
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- oldRovs.addAll(extractAndSort(param, RegionHDupRecallStrategy.PUSH_FORM));
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- oldRovs.addAll(extractAndSort(param, Region24HRecallStrategy.PUSH_FORM));
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- oldRovs.addAll(extractAndSort(param, RegionRelative24HRecallStrategy.PUSH_FORM));
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- oldRovs.addAll(extractAndSort(param, RegionRelative24HDupRecallStrategy.PUSH_FORM));
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- int sizeReturn = param.getSize();
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- removeDuplicate(oldRovs);
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- List<Video> v0 = oldRovs.size() <= sizeReturn
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- ? oldRovs
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- : oldRovs.subList(0, sizeReturn);
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- Set<Long> setVideo = new HashSet<>();
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- this.duplicate(setVideo, v0);
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-
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- //-------------------root rov召回 融合+去重-------------------
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- List<Video> v8 = extractAndSort(param, RegionRealtimeRecallStrategyV6RootRov.PUSH_FORM);
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- this.duplicate(setVideo, v8);
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-
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- //-------------------地域相关召回 融合+去重-------------------
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- List<Video> v1 = extractAndSort(param, RegionRealtimeRecallStrategyV1_sort.PUSH_FORM);
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- List<Video> v2 = extractAndSort(param, RegionRealtimeRecallStrategyV2_sort.PUSH_FORM);
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- List<Video> v3 = extractAndSort(param, RegionRealtimeRecallStrategyV3_sort.PUSH_FORM);
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- List<Video> v4 = extractAndSort(param, RegionRealtimeRecallStrategyV4.PUSH_FORM);
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- this.duplicate(setVideo, v1);
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- this.duplicate(setVideo, v2);
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- this.duplicate(setVideo, v3);
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- this.duplicate(setVideo, v4);
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- //-------------------相关性召回 融合+去重-------------------
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- List<Video> v5 = extractAndSort(param, SimHotVideoRecallStrategy.PUSH_FORM);
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- List<Video> v6 = extractAndSort(param, ReturnVideoRecallStrategy.PUSH_FORM);
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- this.duplicate(setVideo, v5);
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- this.duplicate(setVideo, v6);
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- //-------------------节日扶持召回 融合+去重-------------------
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- List<Video> v7 = extractAndSort(param, FestivalRecallStrategyV1.PUSH_FORM);
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- this.duplicate(setVideo, v7);
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-
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- List<Video> rovRecallRank = new ArrayList<>();
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- rovRecallRank.addAll(v0);
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- rovRecallRank.addAll(v8.subList(0, Math.min(mergeWeight.getOrDefault("v8", 10.0).intValue(), v8.size())));
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- rovRecallRank.addAll(v1.subList(0, Math.min(mergeWeight.getOrDefault("v1", 30.0).intValue(), v1.size())));
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- rovRecallRank.addAll(v2.subList(0, Math.min(mergeWeight.getOrDefault("v2", 20.0).intValue(), v2.size())));
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- rovRecallRank.addAll(v3.subList(0, Math.min(mergeWeight.getOrDefault("v3", 10.0).intValue(), v3.size())));
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- rovRecallRank.addAll(v4.subList(0, Math.min(mergeWeight.getOrDefault("v4", 5.0).intValue(), v4.size())));
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- rovRecallRank.addAll(v5.subList(0, Math.min(mergeWeight.getOrDefault("v5", 10.0).intValue(), v5.size())));
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- rovRecallRank.addAll(v6.subList(0, Math.min(mergeWeight.getOrDefault("v6", 10.0).intValue(), v6.size())));
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- rovRecallRank.addAll(v7.subList(0, Math.min(mergeWeight.getOrDefault("v7", 10.0).intValue(), v7.size())));
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-
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- //-------------------排-------------------
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- //-------------------序-------------------
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- //-------------------逻-------------------
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- //-------------------辑-------------------
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-
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- // 1 模型分
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- List<String> rtFeaPart = new ArrayList<>();
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- List<RankItem> items = model(rovRecallRank, param, rtFeaPart);
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- List<String> rtFeaPartKey = new ArrayList<>(Arrays.asList("item_rt_fea_1day_partition",
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- "item_rt_fea_1h_partition",
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- "item_rt_fea_1hroot_partition"));
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- List<String> rtFeaPartKeyResult = this.redisTemplate.opsForValue().multiGet(rtFeaPartKey);
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- Calendar calendar = Calendar.getInstance();
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- String date = new SimpleDateFormat("yyyyMMdd").format(calendar.getTime());
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- String hour = new SimpleDateFormat("HH").format(calendar.getTime());
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- String rtFeaPart1h = date + hour;
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- String rtFeaPart1hRoot = date + hour;
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- if (rtFeaPartKeyResult != null) {
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- if (rtFeaPartKeyResult.get(1) != null) {
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- rtFeaPart1h = rtFeaPartKeyResult.get(1);
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- }
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- if (rtFeaPartKeyResult.get(2) != null) {
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- rtFeaPart1hRoot = rtFeaPartKeyResult.get(2);
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- }
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- }
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- // 2 统计分
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- String cur = rtFeaPart1h;
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- List<String> datehours = new LinkedList<>(); // 时间是倒叙的
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- for (int i = 0; i < 24; ++i) {
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- datehours.add(cur);
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- cur = ExtractorUtils.subtractHours(cur, 1);
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- }
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- cur = rtFeaPart1hRoot;
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- List<String> datehoursRoot = new LinkedList<>(); // 时间是倒叙的
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- for (int i = 0; i < 24; ++i) {
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- datehoursRoot.add(cur);
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- cur = ExtractorUtils.subtractHours(cur, 1);
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- }
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- // 2.1 item特征提取
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- this.getVideoFeatureFromRedis(items);
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-
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-
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- for (RankItem item : items) {
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- Map<String, Map<String, Double>> itemRealRootMap = item.getItemRealTimeRootFeature();
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- List<Double> return_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "return");
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- Double returnScore_20240408 = calScoreWeightNoTimeDecay(return_20240408);
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- item.scoresMap.put("returnScore_20240408", returnScore_20240408);
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- List<Double> views_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "view");
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- List<Double> share_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "share");
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- List<Double> return1_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "return1");
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- List<Double> return2_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "return2");
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- List<Double> return3_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "return3");
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- List<Double> return4_20240408 = getStaticData(itemRealRootMap, datehoursRoot, "return4");
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- List<Double> return12_20240408 = this.merge2List(return1_20240408, return2_20240408);
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- List<Double> rov_20240408 = getRateData(return12_20240408, views_20240408, 0.0, 0.0);
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- Double rovScore_20240408 = calScoreWeightNoTimeDecay(rov_20240408);
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- List<Double> ros_20240408 = getRateData(return12_20240408, share_20240408, 1.0, 10.0);
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- Double rosScore_20240408 = calScoreWeightNoTimeDecay(ros_20240408);
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- item.scoresMap.put("rovScore_20240408", rovScore_20240408);
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- item.scoresMap.put("rosScore_20240408", rosScore_20240408);
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-
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-
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- List<Double> fissionList = getRateData(
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- this.merge2List(return2_20240408, return4_20240408),
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- this.merge2List(return1_20240408, return3_20240408),
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- 1.0, 1000.0
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- );
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- Double fissionScore = calScoreWeightNoTimeDecay(fissionList);
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- item.scoresMap.put("fissionScore", fissionScore);
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-
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- Map<String, Map<String, Double>> itemRealMap = item.getItemRealTimeFeature();
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- List<Double> views = getStaticData(itemRealMap, datehours, "view_pv_list_1h");
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- List<Double> plays = getStaticData(itemRealMap, datehours, "play_pv_list_1h");
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- List<Double> shares = getStaticData(itemRealMap, datehours, "share_pv_list_1h");
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- List<Double> preturns = getStaticData(itemRealMap, datehours, "p_return_uv_list_1h");
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- List<Double> allreturns = getStaticData(itemRealMap, datehours, "return_uv_list_1h");
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-
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- List<Double> share2return = getRateData(preturns, shares, 1.0, 1000.0);
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- Double share2returnScore = calScoreWeightNoTimeDecay(share2return);
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- List<Double> view2return = getRateData(preturns, views, 1.0, 1000.0);
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- Double view2returnScore = calScoreWeightNoTimeDecay(view2return);
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- List<Double> view2play = getRateData(plays, views, 1.0, 1000.0);
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- Double view2playScore = calScoreWeightNoTimeDecay(view2play);
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- List<Double> play2share = getRateData(shares, plays, 1.0, 1000.0);
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- Double play2shareScore = calScoreWeightNoTimeDecay(play2share);
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- item.scoresMap.put("share2returnScore", share2returnScore);
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- item.scoresMap.put("view2returnScore", view2returnScore);
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- item.scoresMap.put("view2playScore", view2playScore);
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- item.scoresMap.put("play2shareScore", play2shareScore);
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-
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- // 全部回流的rov和ros
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- List<Double> share2allreturn = getRateData(allreturns, shares, 1.0, 10.0);
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- Double share2allreturnScore = calScoreWeightNoTimeDecay(share2allreturn);
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- List<Double> view2allreturn = getRateData(allreturns, views, 0.0, 0.0);
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- Double view2allreturnScore = calScoreWeightNoTimeDecay(view2allreturn);
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- item.scoresMap.put("share2allreturnScore", share2allreturnScore);
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- item.scoresMap.put("view2allreturnScore", view2allreturnScore);
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-
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- // 全部回流
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- Double allreturnsScore = calScoreWeightNoTimeDecay(allreturns);
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- item.scoresMap.put("allreturnsScore", allreturnsScore);
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-
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- // 平台回流
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- Double preturnsScore = calScoreWeightNoTimeDecay(preturns);
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- item.scoresMap.put("preturnsScore", preturnsScore);
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-
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- // rov的趋势
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- double trendScore = calTrendScore(view2return);
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- item.scoresMap.put("trendScore", trendScore);
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-
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- // 新视频提取
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- Map<String, String> itemBasicMap = item.getItemBasicFeature();
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- double newVideoScore = calNewVideoScore(itemBasicMap);
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- item.scoresMap.put("newVideoScore", newVideoScore);
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-
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- }
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- // 3 融合公式
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- List<Video> result = new ArrayList<>();
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- double a = mergeWeight.getOrDefault("a", 0.01);
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- double b = mergeWeight.getOrDefault("b", 0.0);
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- double c = mergeWeight.getOrDefault("c", 0.001);
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- double d = mergeWeight.getOrDefault("d", 0.01);
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- double e = mergeWeight.getOrDefault("e", 0.03);
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- double f = mergeWeight.getOrDefault("f", 0.2);
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- double g = mergeWeight.getOrDefault("g", 2.0);
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- double h = mergeWeight.getOrDefault("h", 240.0);
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- double m = mergeWeight.getOrDefault("m", 0.1);
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- for (RankItem item : items) {
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- double trendScore = item.scoresMap.getOrDefault("trendScore", 0.0) > 1E-8 ?
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- item.scoresMap.getOrDefault("trendScore", 0.0) : 0.0;
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- double newVideoScore = item.scoresMap.getOrDefault("newVideoScore", 0.0) > 1E-8 ?
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- item.scoresMap.getOrDefault("newVideoScore", 0.0) : 0.0;
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- double strScore = item.getScoreStr();
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- double rosScore = item.scoresMap.getOrDefault("share2returnScore", 0.0);
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- double share2allreturnScore = item.scoresMap.getOrDefault("share2allreturnScore", 0.0);
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- double view2allreturnScore = item.scoresMap.getOrDefault("view2allreturnScore", 0.0);
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- double preturnsScore = Math.log(1 + item.scoresMap.getOrDefault("preturnsScore", 0.0));
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- double returnScore_20240408 = Math.log(1 + item.scoresMap.getOrDefault("returnScore_20240408", 0.0));
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- double rovScore_20240408 = item.scoresMap.getOrDefault("rovScore_20240408", 0.0);
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- double rosScore_20240408 = item.scoresMap.getOrDefault("rosScore_20240408", 0.0);
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- double score = 0.0;
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- score = a * strScore + b * rosScore + c * returnScore_20240408;
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- double allreturnsScore = item.scoresMap.getOrDefault("allreturnsScore", 0.0);
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- if (allreturnsScore > h) {
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- score += (d * trendScore + e * newVideoScore);
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- score += (f * rosScore_20240408 + g * rovScore_20240408);
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- }
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- double fissionScore = item.scoresMap.getOrDefault("fissionScore", 0.0);
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- score += m * fissionScore;
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-
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- Video video = item.getVideo();
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- video.setScore(score);
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- video.setSortScore(score);
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- video.setScoreStr(item.getScoreStr());
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- video.setScoresMap(item.getScoresMap());
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- result.add(video);
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- }
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- result.sort(Comparator.comparingDouble(o -> -o.getSortScore()));
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- return result;
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- }
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-
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- public double calNewVideoScore(Map<String, String> itemBasicMap) {
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- double existenceDays = Double.valueOf(itemBasicMap.getOrDefault("existence_days", "30"));
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- if (existenceDays >= 10) {
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- return 0.0;
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- }
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- double score = 1 / (existenceDays + 1.0);
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- return score;
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- }
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-
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- public double calTrendScore(List<Double> data) {
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- double sum = 0.0;
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- int size = data.size();
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- for (int i = 0; i < size - 4; ++i) {
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- sum += data.get(i) - data.get(i + 4);
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- }
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- if (sum * 10 > 0.6) {
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- sum = 0.6;
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- } else {
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- sum = sum * 10;
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- }
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- if (sum > 0) {
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- // 为了打断点
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- sum = sum;
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- }
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- return sum;
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- }
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-
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- public Double calScoreWeightNoTimeDecay(List<Double> data) {
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- Double up = 0.0;
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- Double down = 0.0;
|
|
|
- for (int i = 0; i < data.size(); ++i) {
|
|
|
- up += 1.0 * data.get(i);
|
|
|
- down += 1.0;
|
|
|
- }
|
|
|
- return down > 1E-8 ? up / down : 0.0;
|
|
|
- }
|
|
|
-
|
|
|
- public List<Double> getRateData(List<Double> ups, List<Double> downs, Double up, Double down) {
|
|
|
- List<Double> data = new LinkedList<>();
|
|
|
- for (int i = 0; i < ups.size(); ++i) {
|
|
|
- if (ExtractorUtils.isDoubleEqualToZero(downs.get(i) + down)) {
|
|
|
- data.add(0.0);
|
|
|
- } else {
|
|
|
- data.add(
|
|
|
- (ups.get(i) + up) / (downs.get(i) + down)
|
|
|
- );
|
|
|
- }
|
|
|
- }
|
|
|
- return data;
|
|
|
- }
|
|
|
-
|
|
|
- public List<Double> getStaticData(Map<String, Map<String, Double>> itemRealMap,
|
|
|
- List<String> datehours, String key) {
|
|
|
- List<Double> views = new LinkedList<>();
|
|
|
- Map<String, Double> tmp = itemRealMap.getOrDefault(key, new HashMap<>());
|
|
|
- for (String dh : datehours) {
|
|
|
- views.add(tmp.getOrDefault(dh, 0.0D) +
|
|
|
- (views.isEmpty() ? 0.0 : views.get(views.size() - 1))
|
|
|
- );
|
|
|
- }
|
|
|
- return views;
|
|
|
- }
|
|
|
-
|
|
|
- public List<RankItem> model(List<Video> videos, RankParam param,
|
|
|
- List<String> rtFeaPart) {
|
|
|
- List<RankItem> result = new ArrayList<>();
|
|
|
- if (videos.isEmpty()) {
|
|
|
- return result;
|
|
|
- }
|
|
|
-
|
|
|
- RedisStandaloneConfiguration redisSC = new RedisStandaloneConfiguration();
|
|
|
- redisSC.setPort(6379);
|
|
|
- redisSC.setPassword("Wqsd@2019");
|
|
|
- redisSC.setHostName("r-bp1pi8wyv6lzvgjy5z.redis.rds.aliyuncs.com");
|
|
|
- RedisConnectionFactory connectionFactory = new JedisConnectionFactory(redisSC);
|
|
|
- RedisTemplate<String, String> redisTemplate = new RedisTemplate<>();
|
|
|
- redisTemplate.setConnectionFactory(connectionFactory);
|
|
|
- redisTemplate.setDefaultSerializer(new StringRedisSerializer());
|
|
|
- redisTemplate.afterPropertiesSet();
|
|
|
-
|
|
|
- // 0: 场景特征处理
|
|
|
- Map<String, String> sceneFeatureMap = this.getSceneFeature(param);
|
|
|
-
|
|
|
- // 1: user特征处理
|
|
|
- Map<String, String> userFeatureMap = new HashMap<>();
|
|
|
- if (param.getMid() != null && !param.getMid().isEmpty()) {
|
|
|
- String midKey = "user_info_4video_" + param.getMid();
|
|
|
- String userFeatureStr = redisTemplate.opsForValue().get(midKey);
|
|
|
- if (userFeatureStr != null) {
|
|
|
- try {
|
|
|
- userFeatureMap = JSONUtils.fromJson(userFeatureStr,
|
|
|
- new TypeToken<Map<String, String>>() {
|
|
|
- },
|
|
|
- userFeatureMap);
|
|
|
- } catch (Exception e) {
|
|
|
- log.error(String.format("parse user json is wrong in {} with {}", this.CLASS_NAME, e));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- final Set<String> userFeatureSet = new HashSet<>(Arrays.asList(
|
|
|
- "machineinfo_brand", "machineinfo_model", "machineinfo_platform", "machineinfo_system",
|
|
|
- "u_1day_exp_cnt", "u_1day_click_cnt", "u_1day_share_cnt", "u_1day_return_cnt",
|
|
|
- "u_3day_exp_cnt", "u_3day_click_cnt", "u_3day_share_cnt", "u_3day_return_cnt"
|
|
|
- ));
|
|
|
- Iterator<Map.Entry<String, String>> iterator = userFeatureMap.entrySet().iterator();
|
|
|
- while (iterator.hasNext()) {
|
|
|
- Map.Entry<String, String> entry = iterator.next();
|
|
|
- if (!userFeatureSet.contains(entry.getKey())) {
|
|
|
- iterator.remove();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- Map<String, String> f1 = RankExtractorUserFeature.getOriginFeature(userFeatureMap,
|
|
|
- new HashSet<String>(Arrays.asList(
|
|
|
- "machineinfo_brand", "machineinfo_model", "machineinfo_platform", "machineinfo_system"
|
|
|
- ))
|
|
|
- );
|
|
|
- Map<String, String> f2 = RankExtractorUserFeature.getUserRateFeature(userFeatureMap);
|
|
|
- Map<String, String> f3 = RankExtractorUserFeature.cntFeatureChange(userFeatureMap,
|
|
|
- new HashSet<String>(Arrays.asList(
|
|
|
- "u_1day_exp_cnt", "u_1day_click_cnt", "u_1day_share_cnt", "u_1day_return_cnt",
|
|
|
- "u_3day_exp_cnt", "u_3day_click_cnt", "u_3day_share_cnt", "u_3day_return_cnt"
|
|
|
- ))
|
|
|
- );
|
|
|
- f1.putAll(f2);
|
|
|
- f1.putAll(f3);
|
|
|
-
|
|
|
- // 2-1: item特征处理
|
|
|
- final Set<String> itemFeatureSet = new HashSet<>(Arrays.asList(
|
|
|
- "total_time", "play_count_total",
|
|
|
- "i_1day_exp_cnt", "i_1day_click_cnt", "i_1day_share_cnt", "i_1day_return_cnt",
|
|
|
- "i_3day_exp_cnt", "i_3day_click_cnt", "i_3day_share_cnt", "i_3day_return_cnt"
|
|
|
- ));
|
|
|
-
|
|
|
- List<RankItem> rankItems = CommonCollectionUtils.toList(videos, RankItem::new);
|
|
|
- List<Long> videoIds = CommonCollectionUtils.toListDistinct(videos, Video::getVideoId);
|
|
|
- List<String> videoFeatureKeys = videoIds.stream().map(r -> "video_info_" + r)
|
|
|
- .collect(Collectors.toList());
|
|
|
- List<String> videoFeatures = redisTemplate.opsForValue().multiGet(videoFeatureKeys);
|
|
|
- if (videoFeatures != null) {
|
|
|
- for (int i = 0; i < videoFeatures.size(); ++i) {
|
|
|
- String vF = videoFeatures.get(i);
|
|
|
- Map<String, String> vfMap = new HashMap<>();
|
|
|
- if (vF == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- try {
|
|
|
- vfMap = JSONUtils.fromJson(vF, new TypeToken<Map<String, String>>() {
|
|
|
- }, vfMap);
|
|
|
- Map<String, String> vfMapCopy = new HashMap<>(vfMap);
|
|
|
- rankItems.get(i).setItemBasicFeature(vfMapCopy);
|
|
|
- Iterator<Map.Entry<String, String>> iteratorIn = vfMap.entrySet().iterator();
|
|
|
- while (iteratorIn.hasNext()) {
|
|
|
- Map.Entry<String, String> entry = iteratorIn.next();
|
|
|
- if (!itemFeatureSet.contains(entry.getKey())) {
|
|
|
- iteratorIn.remove();
|
|
|
- }
|
|
|
- }
|
|
|
- Map<String, String> f4 = RankExtractorItemFeature.getItemRateFeature(vfMap);
|
|
|
- Map<String, String> f5 = RankExtractorItemFeature.cntFeatureChange(vfMap,
|
|
|
- new HashSet<String>(Arrays.asList(
|
|
|
- "total_time", "play_count_total",
|
|
|
- "i_1day_exp_cnt", "i_1day_click_cnt", "i_1day_share_cnt", "i_1day_return_cnt",
|
|
|
- "i_3day_exp_cnt", "i_3day_click_cnt", "i_3day_share_cnt", "i_3day_return_cnt"))
|
|
|
- );
|
|
|
- f4.putAll(f5);
|
|
|
- rankItems.get(i).setFeatureMap(f4);
|
|
|
- } catch (Exception e) {
|
|
|
- log.error(String.format("parse video json is wrong in {} with {}", this.CLASS_NAME, e));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- // 2-2: item 实时特征处理
|
|
|
- List<String> rtFeaPartKey = new ArrayList<>(Arrays.asList("item_rt_fea_1day_partition", "item_rt_fea_1h_partition"));
|
|
|
- List<String> rtFeaPartKeyResult = this.redisTemplate.opsForValue().multiGet(rtFeaPartKey);
|
|
|
- Calendar calendar = Calendar.getInstance();
|
|
|
- String date = new SimpleDateFormat("yyyyMMdd").format(calendar.getTime());
|
|
|
- String hour = new SimpleDateFormat("HH").format(calendar.getTime());
|
|
|
- String rtFeaPart1day = date + hour;
|
|
|
- String rtFeaPart1h = date + hour;
|
|
|
- if (rtFeaPartKeyResult != null) {
|
|
|
- if (rtFeaPartKeyResult.get(0) != null) {
|
|
|
- rtFeaPart1day = rtFeaPartKeyResult.get(0);
|
|
|
- }
|
|
|
- if (rtFeaPartKeyResult.get(1) != null) {
|
|
|
- rtFeaPart1h = rtFeaPartKeyResult.get(1);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- List<String> videoRtKeys1 = videoIds.stream().map(r -> "item_rt_fea_1day_" + r)
|
|
|
- .collect(Collectors.toList());
|
|
|
- List<String> videoRtKeys2 = videoIds.stream().map(r -> "item_rt_fea_1h_" + r)
|
|
|
- .collect(Collectors.toList());
|
|
|
- videoRtKeys1.addAll(videoRtKeys2);
|
|
|
- List<String> videoRtFeatures = this.redisTemplate.opsForValue().multiGet(videoRtKeys1);
|
|
|
-
|
|
|
-
|
|
|
- if (videoRtFeatures != null) {
|
|
|
- int j = 0;
|
|
|
- for (RankItem item : rankItems) {
|
|
|
- String vF = videoRtFeatures.get(j);
|
|
|
- ++j;
|
|
|
- if (vF == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- Map<String, String> vfMap = new HashMap<>();
|
|
|
- Map<String, Map<String, Double>> vfMapNew = new HashMap<>();
|
|
|
- try {
|
|
|
- vfMap = JSONUtils.fromJson(vF, new TypeToken<Map<String, String>>() {
|
|
|
- }, vfMap);
|
|
|
- for (Map.Entry<String, String> entry : vfMap.entrySet()) {
|
|
|
- String value = entry.getValue();
|
|
|
- if (value == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- String[] var1 = value.split(",");
|
|
|
- Map<String, Double> tmp = new HashMap<>();
|
|
|
- for (String var2 : var1) {
|
|
|
- String[] var3 = var2.split(":");
|
|
|
- tmp.put(var3[0], Double.valueOf(var3[1]));
|
|
|
- }
|
|
|
- vfMapNew.put(entry.getKey(), tmp);
|
|
|
- }
|
|
|
- } catch (Exception e) {
|
|
|
- log.error(String.format("parse video item_rt_fea_1day_ json is wrong in {} with {}", this.CLASS_NAME, e));
|
|
|
- }
|
|
|
- Map<String, String> f8 = RankExtractorItemFeature.getItemRealtimeRate(vfMapNew, rtFeaPart1day);
|
|
|
- item.getFeatureMap().putAll(f8);
|
|
|
- }
|
|
|
- for (RankItem item : rankItems) {
|
|
|
- String vF = videoRtFeatures.get(j);
|
|
|
- ++j;
|
|
|
- if (vF == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- Map<String, String> vfMap = new HashMap<>();
|
|
|
- Map<String, Map<String, Double>> vfMapNew = new HashMap<>();
|
|
|
- try {
|
|
|
- vfMap = JSONUtils.fromJson(vF, new TypeToken<Map<String, String>>() {
|
|
|
- }, vfMap);
|
|
|
-
|
|
|
- for (Map.Entry<String, String> entry : vfMap.entrySet()) {
|
|
|
- String value = entry.getValue();
|
|
|
- if (value == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- String[] var1 = value.split(",");
|
|
|
- Map<String, Double> tmp = new HashMap<>();
|
|
|
- for (String var2 : var1) {
|
|
|
- String[] var3 = var2.split(":");
|
|
|
- tmp.put(var3[0], Double.valueOf(var3[1]));
|
|
|
- }
|
|
|
- vfMapNew.put(entry.getKey(), tmp);
|
|
|
- }
|
|
|
- item.setItemRealTimeFeature(vfMapNew);
|
|
|
- } catch (Exception e) {
|
|
|
- log.error(String.format("parse video item_rt_fea_1h_ json is wrong in {} with {}", this.CLASS_NAME, e));
|
|
|
- }
|
|
|
- Map<String, String> f8 = RankExtractorItemFeature.getItemRealtimeRate(vfMapNew, rtFeaPart1h);
|
|
|
- item.getFeatureMap().putAll(f8);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- List<RankItem> rovRecallScore = ScorerUtils.getScorerPipeline(ScorerUtils.BASE_CONF)
|
|
|
- .scoring(sceneFeatureMap, userFeatureMap, rankItems);
|
|
|
- return rovRecallScore;
|
|
|
- }
|
|
|
-
|
|
|
- private Map<String, String> getSceneFeature(RankParam param) {
|
|
|
- Map<String, String> sceneFeatureMap = new HashMap<>();
|
|
|
- String provinceCn = param.getProvince();
|
|
|
- provinceCn = provinceCn.replaceAll("省$", "");
|
|
|
- sceneFeatureMap.put("ctx_region", provinceCn);
|
|
|
- String city = param.getCity();
|
|
|
- if ("台北市".equals(city) |
|
|
|
- "高雄市".equals(city) |
|
|
|
- "台中市".equals(city) |
|
|
|
- "桃园市".equals(city) |
|
|
|
- "新北市".equals(city) |
|
|
|
- "台南市".equals(city) |
|
|
|
- "基隆市".equals(city) |
|
|
|
- "吉林市".equals(city) |
|
|
|
- "新竹市".equals(city) |
|
|
|
- "嘉义市".equals(city)
|
|
|
- ) {
|
|
|
- } else {
|
|
|
- city = city.replaceAll("市$", "");
|
|
|
- }
|
|
|
- sceneFeatureMap.put("ctx_city", city);
|
|
|
-
|
|
|
- Calendar calendar = Calendar.getInstance();
|
|
|
- sceneFeatureMap.put("ctx_week", (calendar.get(Calendar.DAY_OF_WEEK) + 6) % 7 + "");
|
|
|
- sceneFeatureMap.put("ctx_hour", new SimpleDateFormat("HH").format(calendar.getTime()));
|
|
|
-
|
|
|
- return sceneFeatureMap;
|
|
|
- }
|
|
|
-
|
|
|
- @Override
|
|
|
- public RankResult mergeAndSort(RankParam param, List<Video> rovVideos, List<Video> flowVideos) {
|
|
|
-
|
|
|
- //1 兜底策略，rov池子不足时，用冷启池填补。直接返回。
|
|
|
- if (CollectionUtils.isEmpty(rovVideos)) {
|
|
|
- if (param.getSize() < flowVideos.size()) {
|
|
|
- return new RankResult(flowVideos.subList(0, param.getSize()));
|
|
|
- } else {
|
|
|
- return new RankResult(flowVideos);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- //2 根据实验号解析阿波罗参数。
|
|
|
- String abCode = param.getAbCode();
|
|
|
- Map<String, Map<String, String>> rulesMap = this.filterRules.getOrDefault(abCode, new HashMap<>(0));
|
|
|
-
|
|
|
- //3 标签读取
|
|
|
- if (rulesMap != null && !rulesMap.isEmpty()) {
|
|
|
- RankExtractorItemTags extractorItemTags = new RankExtractorItemTags(this.redisTemplate);
|
|
|
- extractorItemTags.processor(rovVideos, flowVideos);
|
|
|
- }
|
|
|
- //6 合并结果时间卡控
|
|
|
- if (rulesMap != null && !rulesMap.isEmpty()) {
|
|
|
- RankProcessorTagFilter.processor(rovVideos, flowVideos, rulesMap);
|
|
|
- }
|
|
|
-
|
|
|
- //4 rov池提权功能
|
|
|
- RankProcessorBoost.boostByTag(rovVideos, rulesMap);
|
|
|
-
|
|
|
- //5 rov池强插功能
|
|
|
- RankProcessorInsert.insertByTag(param, rovVideos, rulesMap);
|
|
|
-
|
|
|
- //7 流量池按比例强插
|
|
|
- List<Video> result = new ArrayList<>();
|
|
|
- for (int i = 0; i < param.getTopK() && i < rovVideos.size(); i++) {
|
|
|
- result.add(rovVideos.get(i));
|
|
|
- }
|
|
|
- double flowPoolP = getFlowPoolP(param);
|
|
|
- int flowPoolIndex = 0;
|
|
|
- int rovPoolIndex = param.getTopK();
|
|
|
- for (int i = 0; i < param.getSize() - param.getTopK(); i++) {
|
|
|
- double rand = RandomUtils.nextDouble(0, 1);
|
|
|
- if (rand < flowPoolP) {
|
|
|
- if (flowPoolIndex < flowVideos.size()) {
|
|
|
- result.add(flowVideos.get(flowPoolIndex++));
|
|
|
- } else {
|
|
|
- break;
|
|
|
- }
|
|
|
- } else {
|
|
|
- if (rovPoolIndex < rovVideos.size()) {
|
|
|
- result.add(rovVideos.get(rovPoolIndex++));
|
|
|
- } else {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- if (rovPoolIndex >= rovVideos.size()) {
|
|
|
- for (int i = flowPoolIndex; i < flowVideos.size() && result.size() < param.getSize(); i++) {
|
|
|
- result.add(flowVideos.get(i));
|
|
|
- }
|
|
|
- }
|
|
|
- if (flowPoolIndex >= flowVideos.size()) {
|
|
|
- for (int i = rovPoolIndex; i < rovVideos.size() && result.size() < param.getSize(); i++) {
|
|
|
- result.add(rovVideos.get(i));
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- //8 合并结果密度控制
|
|
|
- Map<String, Integer> densityRules = new HashMap<>();
|
|
|
- if (rulesMap != null && !rulesMap.isEmpty()) {
|
|
|
- for (Map.Entry<String, Map<String, String>> entry : rulesMap.entrySet()) {
|
|
|
- String key = entry.getKey();
|
|
|
- Map<String, String> value = entry.getValue();
|
|
|
- if (value.containsKey("density")) {
|
|
|
- densityRules.put(key, Integer.valueOf(value.get("density")));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- Set<Long> videosSet = result.stream().map(Video::getVideoId).collect(Collectors.toSet());
|
|
|
- List<Video> rovRecallRankNew = rovVideos.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
|
|
|
- List<Video> flowPoolRankNew = flowVideos.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
|
|
|
- List<Video> resultWithDensity = RankProcessorDensity.mergeDensityControl(result,
|
|
|
- rovRecallRankNew, flowPoolRankNew, densityRules);
|
|
|
-
|
|
|
- return new RankResult(resultWithDensity);
|
|
|
- }
|
|
|
-
|
|
|
- private void getVideoFeatureFromRedis(List<RankItem> items){
|
|
|
- List<Long> videoIds = CommonCollectionUtils.toListDistinct(items, RankItem::getVideoId);
|
|
|
- List<String> videoKeys = videoIds.stream().map(r -> "item_rt_fea_1hroot_" + r)
|
|
|
- .collect(Collectors.toList());
|
|
|
- List<String> videoRtFeatures = this.redisTemplate.opsForValue().multiGet(videoKeys);
|
|
|
- int j = 0;
|
|
|
- if (videoRtFeatures != null) {
|
|
|
- for (RankItem item : items) {
|
|
|
- String vF = videoRtFeatures.get(j);
|
|
|
- ++j;
|
|
|
- if (vF == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- Map<String, String> vfMap = new HashMap<>();
|
|
|
- Map<String, Map<String, Double>> vfMapNew = new HashMap<>();
|
|
|
- try {
|
|
|
- vfMap = JSONUtils.fromJson(vF, new TypeToken<Map<String, String>>() {
|
|
|
- }, vfMap);
|
|
|
- for (Map.Entry<String, String> entry : vfMap.entrySet()) {
|
|
|
- String value = entry.getValue();
|
|
|
- if (value == null) {
|
|
|
- continue;
|
|
|
- }
|
|
|
- String[] var1 = value.split(",");
|
|
|
- Map<String, Double> tmp = new HashMap<>();
|
|
|
- for (String var2 : var1) {
|
|
|
- String[] var3 = var2.split(":");
|
|
|
- tmp.put(var3[0], Double.valueOf(var3[1]));
|
|
|
- }
|
|
|
- vfMapNew.put(entry.getKey(), tmp);
|
|
|
- }
|
|
|
- item.setItemRealTimeRootFeature(vfMapNew);
|
|
|
- } catch (Exception e) {
|
|
|
- log.error(String.format("parse video item_rt_fea_1hroot_ json is wrong in {} with {}", this.CLASS_NAME, e));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- private List<Double> merge2List(List<Double> a, List<Double> b){
|
|
|
- int size = a.size();
|
|
|
- List<Double> result = new ArrayList<>(size);
|
|
|
- for (int i = 0; i < size; ++i){
|
|
|
- result.add(a.get(i) + b.get(i));
|
|
|
- }
|
|
|
- return result;
|
|
|
- }
|
|
|
-
|
|
|
- public static void main(String[] args) {
|
|
|
-// String up1 = "2024031012:513,2024031013:456,2024031014:449,2024031015:262,2024031016:414,2024031017:431,2024031018:643,2024031019:732,2024031020:927,2024031021:859,2024031022:866,2024031023:358,2024031100:133,2024031101:28,2024031102:22,2024031103:15,2024031104:21,2024031105:36,2024031106:157,2024031107:371,2024031108:378,2024031109:216,2024031110:269,2024031111:299,2024031112:196,2024031113:186,2024031114:85,2024031115:82";
|
|
|
- String up1 = "2024031012:1167,2024031013:1023,2024031014:947,2024031015:664,2024031016:842,2024031017:898,2024031018:1170,2024031019:1439,2024031020:2010,2024031021:1796,2024031022:1779,2024031023:722,2024031100:226,2024031101:50,2024031102:31,2024031103:30,2024031104:38,2024031105:63,2024031106:293,2024031107:839,2024031108:1250,2024031109:858,2024031110:767,2024031111:697,2024031112:506,2024031113:534,2024031114:381,2024031115:278";
|
|
|
- String down1 = "2024031012:2019,2024031013:1676,2024031014:1626,2024031015:1458,2024031016:1508,2024031017:1510,2024031018:1713,2024031019:1972,2024031020:2500,2024031021:2348,2024031022:2061,2024031023:1253,2024031100:659,2024031101:243,2024031102:191,2024031103:282,2024031104:246,2024031105:439,2024031106:1079,2024031107:1911,2024031108:2023,2024031109:1432,2024031110:1632,2024031111:1183,2024031112:1024,2024031113:938,2024031114:701,2024031115:541";
|
|
|
-
|
|
|
-// String up2 = "2024031012:215,2024031013:242,2024031014:166,2024031015:194,2024031016:209,2024031017:245,2024031018:320,2024031019:332,2024031020:400,2024031021:375,2024031022:636,2024031023:316,2024031100:167,2024031101:45,2024031102:22,2024031103:26,2024031104:12,2024031105:22,2024031106:24,2024031107:143,2024031108:181,2024031109:199,2024031110:194,2024031111:330,2024031112:423,2024031113:421,2024031114:497,2024031115:424";
|
|
|
- String up2 = "2024031012:409,2024031013:464,2024031014:354,2024031015:474,2024031016:436,2024031017:636,2024031018:709,2024031019:741,2024031020:802,2024031021:904,2024031022:1112,2024031023:639,2024031100:378,2024031101:78,2024031102:47,2024031103:37,2024031104:17,2024031105:49,2024031106:103,2024031107:293,2024031108:457,2024031109:488,2024031110:558,2024031111:711,2024031112:785,2024031113:830,2024031114:974,2024031115:850";
|
|
|
- String down2 = "2024031012:748,2024031013:886,2024031014:788,2024031015:1029,2024031016:957,2024031017:1170,2024031018:1208,2024031019:1181,2024031020:1275,2024031021:1265,2024031022:1512,2024031023:1190,2024031100:1127,2024031101:486,2024031102:289,2024031103:254,2024031104:197,2024031105:310,2024031106:344,2024031107:693,2024031108:976,2024031109:1045,2024031110:1039,2024031111:1257,2024031112:1202,2024031113:1454,2024031114:1785,2024031115:1544";
|
|
|
-
|
|
|
- RankStrategy4RegionMergeModelV552 job = new RankStrategy4RegionMergeModelV552();
|
|
|
- List<Double> l1 = job.getRateData(job.help(up1, "2024031115", 24), job.help(down1, "2024031115", 24), 1., 10.);
|
|
|
- Double d1 = job.calScoreWeightNoTimeDecay(l1);
|
|
|
-
|
|
|
- System.out.println(d1);
|
|
|
-
|
|
|
- List<Double> l2 = job.getRateData(job.help(up2, "2024031115", 24), job.help(down2, "2024031115", 24), 1., 10.);
|
|
|
- Double d2 = job.calScoreWeightNoTimeDecay(l2);
|
|
|
-
|
|
|
- System.out.println(d2);
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- List<Double> help(String s, String date, Integer h) {
|
|
|
- Map<String, Double> maps = Arrays.stream(s.split(",")).map(pair -> pair.split(":"))
|
|
|
- .collect(Collectors.toMap(
|
|
|
- arr -> arr[0],
|
|
|
- arr -> Double.valueOf(arr[1])
|
|
|
- ));
|
|
|
- List<String> datehours = new LinkedList<>(); // 时间是倒叙的
|
|
|
- List<Double> result = new ArrayList<>();
|
|
|
- for (int i = 0; i < h; ++i) {
|
|
|
- Double d = (result.isEmpty() ? 0.0 : result.get(result.size() - 1));
|
|
|
- result.add(d + maps.getOrDefault(date, 0D));
|
|
|
- datehours.add(date);
|
|
|
- date = ExtractorUtils.subtractHours(date, 1);
|
|
|
- }
|
|
|
- return result;
|
|
|
- }
|
|
|
-
|
|
|
-}
|
zhangbo