relextract.py 文件源码

def conllesp():
    from nltk.corpus import conll2002

    de = """
    .*
    (
    de/SP|
    del/SP
    )
    """
    DE = re.compile(de, re.VERBOSE)

    print()
    print("Spanish CoNLL2002: de(ORG, LOC) -- just the first 10 clauses:")
    print("=" * 45)
    rels = [rel for doc in conll2002.chunked_sents('esp.train')
            for rel in extract_rels('ORG', 'LOC', doc, corpus='conll2002', pattern = DE)]
    for r in rels[:10]: print(clause(r, relsym='DE'))
    print()