"""
@author: luojunhui
"""


def jcd_title_similarity(ori_title, search_title):
    """
    simple ways to calculate the similarity of titles
    :param ori_title:
    :param search_title:
    :return:
    """
    set1 = set(ori_title)
    set2 = set(search_title)
    intersection = len(set1 & set2)
    union = len(set1 | set2)
    return intersection / union