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@@ -16,7 +16,6 @@ import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.MapUtils;
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import org.apache.commons.math3.util.Pair;
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import org.springframework.beans.factory.annotation.Autowired;
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-import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import java.util.*;
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@@ -335,6 +334,8 @@ public class RankStrategy4RegionMergeModelV567 extends RankStrategy4RegionMergeM
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item.norFeatureMap = FeatureBucketUtils.bucketFeature("20241209_nor_bucket.txt", featureMapDouble);
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}
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// 4 排序模型计算
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+ double xgbNorBias = mergeWeight.getOrDefault("xgbNorBias", -1.6945);
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+ double xgbNorWeight = mergeWeight.getOrDefault("xgbNorWeight", 1.8968);
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Map<String, String> sceneFeatureMap = new HashMap<>(0);
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List<RankItem> items = ScorerUtils.getScorerPipeline("feeds_score_config_fm_xgb_20241209.conf").scoring(sceneFeatureMap, userFeatureMap, norUserFeatureMap, rankItems);
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// 5 排序公式特征
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@@ -349,9 +350,10 @@ public class RankStrategy4RegionMergeModelV567 extends RankStrategy4RegionMergeM
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double hasReturnRovScore = Double.parseDouble(vid2MapFeature.getOrDefault(item.getVideoId() + "", new HashMap<>()).getOrDefault("rov", "0"));
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item.getScoresMap().put("hasReturnRovScore", hasReturnRovScore);
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double norXGBScore = item.getScoresMap().getOrDefault("NorXGBScore", 0d);
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+ double newNorXGBScore = norCalibration(xgbNorBias, xgbNorWeight, norXGBScore);
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double vor = Double.parseDouble(vid2MapFeature.getOrDefault(item.getVideoId() + "", new HashMap<>()).getOrDefault("vor", "0"));
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item.getScoresMap().put("vor", vor);
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- score = fmRov * (0.1 + Math.pow(norXGBScore, 1.1)) * (0.1 + vor);
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+ score = fmRov * (0.1 + newNorXGBScore) * (0.1 + vor);
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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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@@ -485,4 +487,12 @@ public class RankStrategy4RegionMergeModelV567 extends RankStrategy4RegionMergeM
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}
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}
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}
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+
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+ private double norCalibration(double bias, double weight, double score) {
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+ double newScore = bias + weight * score;
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+ if (newScore < 1E-8) {
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+ newScore = 0;
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+ }
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+ return newScore;
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+ }
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}
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