paraphrase.py 文件源码

def dict_cosine_dist(u,v):
    features = list(set(u.keys()) | set(v.keys()))
    features.sort()
    uvec = np.array([u[f] if f in u else 0.0 for f in features])
    vvec = np.array([v[f] if f in v else 0.0 for f in features])
    return cosine(uvec,vvec)