knock76.py 文件源码

def mk_label(line,d,thre):
    import math
    from nltk import stem
    stemmer=stem.PorterStemmer()

    score=0
    for item in line.strip("\n").split(" "):
        item=stemmer.stem(item)
        score+=d[item]
    p_pos=math.exp(score)/(1+math.exp(score))
    if p_pos > thre:
        return(line.split(" ")[0]+"\t+1\t"+str(p_pos))
    else:
        return(line.split(" ")[0]+"\t-1\t"+str(p_pos))