word2pinyin.py 文件源码

def jaccard_pinyin(pv1, pv2):
    """Similarity score between two pinyin vectors with jaccard.
    ?????????jaccard??????

    According to the semantic jaccard model to calculate the similarity.
    The similarity score interval for each two pinyin sentences was [0, 1].
    ????jaccard??????????????????????????[0, 1]?
    """
    sv_matrix = []
    sv_rows = []
    for pinyin1 in pv1:
        for pinyin2 in pv2:
            score = match_pinyin(pinyin1, pinyin2)
            sv_rows.append(score)
        sv_matrix.append(sv_rows)
        sv_rows = []
    matrix = mat(sv_matrix)
    result = sum_cosine(matrix, 0.7)
    total = result["total"]
    total_dif = result["total_dif"]
    num = result["num_not_match"]
    sim = total/(total + num*(1-total_dif))
    return sim