Esempio n. 1
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def __list_errors():
    gold_edl_file = 'e:/data/el/LDC2015E20/data/eval/data/mentions-raw.tab'
    sys_edl_file = 'e:/data/el/LDC2015E20/data/eval/output/emadr-result-coref.tab'
    eid_wid_file = 'e:/data/el/res/eid_wid_ord_eid.txt'

    eid_wid_dict = load_eid_wid_file(eid_wid_file)
    gold_mentions = Mention.load_edl_file(gold_edl_file)
    gold_qid_mentions = Mention.group_mentions_by_qid(gold_mentions)
    sys_mentions = Mention.load_edl_file(sys_edl_file)
    sys_qid_mentions = Mention.group_mentions_by_qid(sys_mentions)

    for qid, mention in gold_qid_mentions.iteritems():
        sys_mention = sys_qid_mentions[qid]
        if sys_mention.kbid == mention.kbid:
            continue
        if sys_mention.kbid.startswith('NIL') and mention.kbid.startswith(
                'NIL'):
            continue
        if mention.kbid.startswith('NIL'):
            continue
        wid_gold = eid_wid_dict.get(mention.kbid, -1)
        wid_sys = eid_wid_dict.get(sys_mention.kbid, -1)
        print '%s\t%s\t%s\t%s\t%d\t%d\t%s' % (
            qid, mention.kbid, sys_mention.kbid, mention.docid,
            mention.beg_pos, mention.end_pos, mention.name)
        print wid_gold, wid_sys
Esempio n. 2
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def __evaluate_edl(gold_edl_file, sys_edl_file, require_type_match, link_error_file,
                   type_error_file):
    gold_mentions = Mention.load_edl_file(gold_edl_file, arrange_by_docid=True)
    sys_mentions = Mention.load_edl_file(sys_edl_file, arrange_by_docid=True)

    link_errors = list()
    type_errors = list()
    sys_cnt, gold_cnt, hit_cnt = 0, 0, 0
    for docid, sys_mentions_doc in sys_mentions.iteritems():
        gold_mentions_doc = gold_mentions.get(docid, list())
        for gm in gold_mentions_doc:
            if not gm.kbid.startswith('NIL'):
                gold_cnt += 1

        hit_list = [False for _ in xrange(len(gold_mentions_doc))]
        for sm in sys_mentions_doc:
            for i, gm in enumerate(gold_mentions_doc):
                if sm.beg_pos == gm.beg_pos and sm.end_pos == gm.end_pos:
                    hit_list[i] = True
                    break

            if sm.kbid.startswith('NIL'):
                continue
            sys_cnt += 1
            for i, gm in enumerate(gold_mentions_doc):
                if sm.beg_pos != gm.beg_pos or sm.end_pos != gm.end_pos:
                    continue

                if gm.mention_type == 'NOM':
                    sys_cnt -= 1
                    break

                if sm.entity_type != gm.entity_type:
                    type_errors.append((gm, sm))

                if sm.kbid == gm.kbid and ((not require_type_match) or sm.entity_type == gm.entity_type):
                    hit_cnt += 1

                if sm.kbid != gm.kbid:
                    link_errors.append((gm, sm))
                    # print '%s\t%s\t%s\t%s' % (docid, sm.mid, gm.mid, gm.name)
                    # print sm.mid, gm.mid, gm.name, docid

    link_errors.sort(key=lambda x: x[0].name)
    __write_link_errors(link_errors, link_error_file)
    type_errors.sort(key=lambda x: x[0].name)
    __write_type_errors(type_errors, type_error_file)
    # for v in errors:
    #     print '%s\t%s\t%s\t%s' % (v[0], v[1], v[2], v[3])

    print '#hit: %d, #sys: %d, #gold: %d' % (hit_cnt, sys_cnt, gold_cnt)
    hit_cnt = float(hit_cnt)
    prec = hit_cnt / sys_cnt
    recall = hit_cnt / gold_cnt
    f1 = 2 * prec * recall / (prec + recall)
    print 'prec: %f, recall: %f, f1: %f' % (prec, recall, f1)
Esempio n. 3
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def __find_type_errors(gold_edl_file, sys_edl_file):
    gold_mentions_docs = Mention.load_edl_file(gold_edl_file, arrange_by_docid=True)
    sys_mentions_docs = Mention.load_edl_file(sys_edl_file, arrange_by_docid=True)

    all_errors = list()
    for docid, sys_mentions in sys_mentions_docs.iteritems():
        gold_mentions = gold_mentions_docs[docid]
        all_errors += __find_type_errors_of_docs(docid, gold_mentions, sys_mentions)
    all_errors.sort(key=lambda x: x[0].name.lower())
    for v in all_errors:
        print '%s\t%s\t%s\t%s' % (v[0].name, v[0].entity_type, v[1].entity_type, v[0].docid)
Esempio n. 4
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def __nil_clustering(nom_dict_file, edl_file, dst_file):
    nom_names = load_nom_dict(nom_dict_file)
    all_mentions = Mention.load_edl_file(edl_file)
    nil_mentions = [m for m in all_mentions if m.kbid.startswith('NIL') and m.name.lower() not in nom_names]
    kbid_mentions = __group_mentions_by_kbid(nil_mentions)

    new_kbids, new_mentions_kbids = list(), list()
    for kbid, mentions in kbid_mentions.iteritems():
        merged = False
        for nkbid, nmentions in izip(new_kbids, new_mentions_kbids):
            if __should_merge(mentions, nmentions):
                # for m in mentions:
                #     print '%s\t' % m.name,
                # print
                # for m in nmentions:
                #     print '%s\t' % m.name,
                # print '\n'

                for m in mentions:
                    m.kbid = nkbid
                    nmentions.append(m)
                merged = True
                break

        if not merged:
            new_kbids.append(kbid)
            new_mentions_kbids.append(mentions)

    Mention.save_as_edl_file(all_mentions, dst_file)
Esempio n. 5
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def __apply_coref(edl_file, linking_info_file, dst_edl_file):
    coref_dict = dict()
    f = open(linking_info_file, 'rb')
    while True:
        docid = ioutils.read_str_with_byte_len(f)
        if not docid:
            break
        num_mentions = np.fromfile(f, '>i4', 1)
        is_nested = np.fromfile(f, 'b', num_mentions)
        corefs = np.fromfile(f, '>i4', num_mentions)
        qids = list()
        for i in xrange(num_mentions):
            qid = __read_mention_from_linking_info_file(f)
            qids.append(qid)
        for coref_id, qid in izip(corefs, qids):
            if coref_id > 0:
                coref_dict[qid] = qids[coref_id]
    f.close()

    mentions = Mention.load_edl_file(edl_file)
    qid_mentions = Mention.group_mentions_by_qid(mentions)
    __assgin_different_id_to_all_nils(mentions)
    print qid_mentions['EDL14_ENG_0052'].kbid
    for m in mentions:
        if not m.kbid.startswith('NIL'):
            continue
        coref_qid = coref_dict.get(m.mention_id, '')
        if coref_qid:
            print m.mention_id, coref_qid, m.name, qid_mentions[coref_qid].kbid
            m.kbid = qid_mentions[coref_qid].kbid

    Mention.save_as_edl_file(mentions, dst_edl_file)
Esempio n. 6
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def __gold_mention_insight():
    edl_gold_file = 'e:/el/LDC2015E103/data/tac_kbp_2015_tedl_evaluation_gold_standard_entity_mentions.tab'
    mentions = Mention.load_edl_file(edl_gold_file)
    doc_mention_dict = dict()
    for m in mentions:
        if m.docid.startswith('ENG'):
            mlist = doc_mention_dict.get(m.docid, list())
            if not mlist:
                doc_mention_dict[m.docid] = mlist
            mlist.append(m)

    cnt, fncnt = 0, 0
    for docid, doc_mentions in doc_mention_dict.iteritems():
        print docid
        for m0 in doc_mentions:
            if m0.entity_type == 'PER' and ' ' in m0.name:
                fncnt += 1
            for m1 in doc_mentions:
                if m0 == m1:
                    continue
                if m0.beg_pos <= m1.beg_pos and m0.end_pos >= m1.end_pos and m0.entity_type == 'PER':
                    print '\t%s\t%d\t%d' % (m0.name, m0.beg_pos, m0.end_pos)
                    print '\t%s\t%d\t%d' % (m1.name, m1.beg_pos, m1.end_pos)
                    cnt += 1
                    # print m0.name, m0.beg_pos, m0.end_pos
                    # print m1.name, m1.beg_pos, m1.end_pos

    print cnt, fncnt
Esempio n. 7
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def __check_mention_fb_types():
    tac_edl_file = 'e:/el/LDC2015E75/data/tac_kbp_2015_tedl_training_gold_fixed.tab'
    fb_type_file = 'e:/el/res/freebase/mid-fb-type.gz'
    result_file = 'e:/el/LDC2015E75/data/mention-fb-types.txt'

    mentions = Mention.load_edl_file(tac_edl_file)
    mid_mentions = dict()
    for m in mentions:
        if m.mid.startswith('NIL'):
            continue
        mid_mentions[m.mid[2:]] = m

    f = gzip.open(fb_type_file, 'r')
    fout = open(result_file, 'wb')
    for i, line in enumerate(f):
        vals = line[:-1].split('\t')
        m = mid_mentions.get(vals[0], None)
        if m:
            # print '%s\t%s\t%s\t%s' % (m.name, vals[0], m.entity_type, vals[1])
            fout.write('%s\t%s\t%s\t%s\n' % (m.name.encode('utf-8'), vals[0], m.entity_type, vals[1]))

        if (i + 1) % 1000000 == 0:
            print i + 1
    f.close()
    fout.close()
Esempio n. 8
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def __save_link_result(edl_file, result_triv, qids, kbids_list, y_pred,
                       max_scores, dst_file, use_nil_thres):
    mentions = Mention.load_edl_file(edl_file)
    for m in mentions:
        m.kbid = 'NODEF'

    qid_mentions = Mention.group_mentions_by_qid(mentions)
    for qid, kbid in result_triv.iteritems():
        qid_mentions[qid].kbid = kbid
        # print qid, kbid

    for qid, kbids, y, max_score in izip(qids, kbids_list, y_pred, max_scores):
        if y >= len(kbids):
            print y, len(kbids)
        if qid_mentions[qid].kbid == 'NODEF':
            if use_nil_thres and max_score < 0.5:
                qid_mentions[qid].kbid = 'NIL'
            else:
                qid_mentions[qid].kbid = kbids[y]
            # print qid, kbids[y]

    for m in mentions:
        if m.kbid.startswith('m.') or m.kbid.startswith('NIL'):
            m.kbid = 'NIL0001'

    Mention.save_as_edl_file(mentions, dst_file)
Esempio n. 9
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def __type_eval():
    tac_edl_file = 'e:/el/LDC2015E75/data/tac_kbp_2015_tedl_training_gold_fixed.tab'
    mid_type_file = 'e:/el/res/freebase/mid-entity-type.txt'

    mid_type_dict = dict()
    f = open(mid_type_file, 'r')
    for line in f:
        vals = line[:-1].split('\t')
        mid_type_dict[vals[0]] = vals[1]
    f.close()

    hitcnt, cnt = 0, 0
    mentions = Mention.load_edl_file(tac_edl_file)
    for m in mentions:
        if not m.mid.startswith('m.'):
            continue
        # print m.mid
        cnt += 1
        sys_type = mid_type_dict.get(m.mid[2:], 'ORG')
        if sys_type == m.entity_type:
            hitcnt += 1
        else:
            print m.mid, m.entity_type, sys_type
    print hitcnt, cnt
    print float(hitcnt) / cnt
Esempio n. 10
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def __gen_ttl_dict():
    edl_file = '/home/dhl/data/EDL/LDC2015E103/data/gold-eng-mentions.tab'
    dst_file = '/home/dhl/data/EDL/LDC2015E75/data/ttl-dict.txt'
    mentions = Mention.load_edl_file(edl_file)
    for m in mentions:
        if m.entity_type == 'TTL':
            print m.name, m.entity_type, m.mention_type, m.docid
Esempio n. 11
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def main():
    # dataset = 'LDC2015E75'
    dataset = 'LDC2015E103'
    # dataset = 'LDC2016E63'
    mentions_tag = '0'
    run_id = 4

    # datadir = '/home/dhl/data/EDL/'
    datadir = 'e:/data/edl'

    doc_list_file = os.path.join(datadir, dataset, 'data/eng-docs-list-win.txt')
    mid_type_file = os.path.join(datadir, 'res/freebase/mid-entity-type.txt')
    cur_edl_file = os.path.join(datadir, dataset, 'output/sys-link-sm-%s.tab' % mentions_tag)
    miss_match_mentions_file = os.path.join(datadir, dataset, 'output/miss-match-mentions-%s.txt' % mentions_tag)
    new_edl_file = os.path.join(datadir, dataset, 'output/sys-link-sm-pp-ft-%d.tab' % run_id)
    # __nil_clustering(nom_dict_file, edl_file, dst_file)
    mentions = Mention.load_edl_file(cur_edl_file)

    # __link_nom(doc_mentions_dict, max_nil_id)

    __nil_author_clustering(mentions)
    __fix_special_types(mentions)
    __fix_entity_types_by_mid(mid_type_file, mentions)
    # __fix_type_diff_of_same_kbid(mentions)
    __validate_mentions(doc_list_file, mentions, miss_match_mentions_file)
    __fix_pos_error(mentions)
    Mention.save_as_edl_file(mentions, new_edl_file, runid='WednesdayGo%d' % run_id)
Esempio n. 12
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def __evaluate_ed(gold_edl_file, sys_edl_file, fn_file, fp_file, require_type_match=True):
    gold_mentions = Mention.load_edl_file(gold_edl_file, arrange_by_docid=True)
    sys_mentions = Mention.load_edl_file(sys_edl_file, arrange_by_docid=True)

    fout_fp = open(fp_file, 'wb')
    sys_cnt, gold_cnt, hit_cnt = 0, 0, 0
    fn_mentions = list()
    for docid, sys_mentions_doc in sys_mentions.iteritems():
        sys_cnt += len(sys_mentions_doc)

        all_gold_mentions_in_doc = gold_mentions.get(docid, list())
        # nam_gold_mentions = [m for m in all_gold_mentions_in_doc if m.mention_type == 'NAM']
        nam_gold_mentions = all_gold_mentions_in_doc
        gold_hit_tags = [False] * len(nam_gold_mentions)
        gold_cnt += len(nam_gold_mentions)

        for sm in sys_mentions_doc:
            hit = False
            for i, gm in enumerate(nam_gold_mentions):
                type_hit = (sm.entity_type.startswith(gm.entity_type)) if require_type_match else True
                if sm.beg_pos == gm.beg_pos and sm.end_pos == gm.end_pos and type_hit:
                    hit = True
                    hit_cnt += 1
                    gold_hit_tags[i] = True
                    break

            if not hit:
                fout_fp.write('%s\t%s\t%d\t%d\n' % (sm.name.encode('utf-8'), docid, sm.beg_pos, sm.end_pos))
        # break

        for gm, hit in izip(nam_gold_mentions, gold_hit_tags):
            if not hit:
                fn_mentions.append(gm)
                # fout_fn.write('%s\t%s\t%d\t%d\n' % (gm.name.encode('utf-8'), docid, gm.beg_pos, gm.end_pos))

    fout_fp.close()

    fn_mentions.sort(key=lambda x: x.name)
    Mention.write_mentions(fn_mentions, fn_file)

    print '#hit: %d, #sys: %d, #gold: %d' % (hit_cnt, sys_cnt, gold_cnt)
    hit_cnt = float(hit_cnt)
    prec = hit_cnt / sys_cnt
    recall = hit_cnt / gold_cnt
    f1 = 2 * prec * recall / (prec + recall)
    print 'prec: %f, recall: %f, f1: %f' % (prec, recall, f1)
Esempio n. 13
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def __remove_leading_the(metions_file, dst_mentions_edl_file):
    mentions = Mention.load_edl_file(metions_file)
    for m in mentions:
        if m.name.startswith('the '):
            m.name = m.name[4:]
            m.beg_pos += 4

    Mention.save_as_edl_file(mentions, dst_mentions_edl_file)
Esempio n. 14
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def __compare_mentions():
    datadir = 'e:/data/edl'
    edl_file0 = '%s/LDC2016E63/output/ner-mentions-0.tab' % datadir
    edl_file1 = '%s/LDC2016E63/output/ner-mentions-1.tab' % datadir
    mentions0 = Mention.load_edl_file(edl_file0, True)
    mentions1 = Mention.load_edl_file(edl_file1, True)

    for docid, doc_mentions1 in mentions1.iteritems():
        print docid
        doc_mentions0 = mentions0.get(docid, list())
        for m1 in doc_mentions1:
            found = False
            for m0 in doc_mentions0:
                if m0.beg_pos == m1.beg_pos and m0.end_pos == m1.end_pos:
                    found = True
                    break
            if not found:
                print '\t%s\t%d\t%d' % (m1.name, m1.beg_pos, m1.end_pos)
Esempio n. 15
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def __missing_docs_in_edl_file():
    datadir = 'e:/data/edl'
    edl_file = '%s/LDC2016E63/output/all-mentions.tab' % datadir
    doc_list_file = '%s/LDC2016E63/data/eng-docs-list-win.txt' % datadir

    mentions = Mention.load_edl_file(edl_file)
    docids = set()
    for m in mentions:
        docids.add(m.docid)

    f = open(doc_list_file, 'r')
    for line in f:
        doc_path = line.rstrip()
        docid = doc_id_from_path(doc_path)
        if docid not in docids:
            print docid
    f.close()
Esempio n. 16
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def __build_training_data(qid_x_list, edl_file):
    mentions = Mention.load_edl_file(edl_file)
    qid_mentions = Mention.group_mentions_by_qid(mentions)
    train_x = list()
    train_y = list()
    for tup in qid_x_list:
        qid, kbid, first_candidate, commonness, dist = tup
        # print qid, kbid, first_candidate, commonness, dist
        m = qid_mentions[qid]

        if (not m.kbid.startswith('NIL')) and m.kbid != kbid:
            continue

        y = 0 if m.kbid.startswith('NIL') else 1
        # train_x.append([first_candidate, commonness, dist])
        train_x.append([first_candidate, commonness])
        # train_x.append([first_candidate])
        train_y.append(y)
    return train_x, train_y
Esempio n. 17
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def __gen_training_data(edl_file):
    mentions = Mention.load_edl_file(edl_file)
    nil_mentions = __get_nil_mentions(mentions)
    kbid_mentions = Mention.group_mentions_by_kbid(nil_mentions)
    pos_samples = __gen_positive_samples(kbid_mentions)
    neg_samples = __gen_neg_samples(kbid_mentions, len(pos_samples))

    data_x = list()
    data_y = list()
    all_samples = __merge_samples(pos_samples, neg_samples)
    for sample, y, in all_samples:
        sample_x = __get_features(sample)
        data_x.append(sample_x)
        data_y.append(y)
        # print

    for x, y in izip(data_x, data_y):
        print x, y

    return data_x, data_y
Esempio n. 18
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def __get_mid_types_in_dataset():
    datadir = 'e:/data/edl'
    edl_file = os.path.join(datadir, 'LDC2015E75/data/gold-eng-mentions.tab')
    mid_types_file = os.path.join(datadir, 'res/freebase/mid-fb-type.gz')
    dst_file = os.path.join(datadir, 'LDC2015E75/output/fb-types.txt')

    mentions = Mention.load_edl_file(edl_file)
    for m in mentions:
        if m.kbid.startswith('m.'):
            m.kbid = m.kbid[2:]
    kbid_mentions = Mention.group_mentions_by_kbid(mentions)

    f = gzip.open(mid_types_file, 'r')
    fout = open(dst_file, 'wb')
    hit = False
    prev_kbid = ''
    for i, line in enumerate(f):
        tab_pos = line.find('\t')
        kbid = line[:tab_pos]

        if hit and prev_kbid == kbid:
            fout.write('\t%s' % line)
        elif prev_kbid != kbid:
            if kbid in kbid_mentions:
                cur_mentions = kbid_mentions[kbid]
                for m in cur_mentions:
                    fout.write('%s\t' % m.name.encode('utf-8'))
                fout.write('\n')
                for m in cur_mentions:
                    fout.write('%s\t' % m.entity_type)
                fout.write('\n\t%s' % line)
                hit = True
            else:
                hit = False

        prev_kbid = kbid

        if (i + 1) % 10000000 == 0:
            print i + 1
    f.close()
    fout.close()
Esempio n. 19
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def __merge_mentions(mention_file_list, dst_result_file):
    mention_spans_docs = dict()
    fout = open(dst_result_file, 'wb')
    mention_id = 1
    for mention_file in mention_file_list:
        mentions = Mention.load_edl_file(mention_file)
        for m in mentions:
            mention_span = (m.beg_pos, m.end_pos)
            mention_spans = mention_spans_docs.get(m.docid, set())
            if not mention_spans:
                mention_spans_docs[m.docid] = mention_spans

            if mention_span in mention_spans:
                continue

            mention_spans.add(mention_span)
            m.mention_id = 'EDL_%07d' % mention_id
            # if m.entity_type.startswith('PER'):
            #     m.entity_type = 'PER'
            m.to_edl_file(fout)

            mention_id += 1

    fout.close()
Esempio n. 20
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def __el_stat():
    data_file = 'e:/data/emadr/el/tac/2009/eval/el-2009-eval-expansion-nloc-3.bin'
    gold_file = 'e:/data/el/LDC2015E19/data/2009/eval/data/mentions-raw.tab'
    # data_file = 'e:/data/emadr/el/tac/2011/eval/el-2011-eval-expansion-all-3.bin'
    # gold_file = 'e:/data/el/LDC2015E19/data/2011/eval/data/mentions-expansion-all.tab'
    # data_file = 'e:/data/emadr/el/tac/2014/eval/el-2014-eval-raw-%d.bin' % 3
    # gold_file = 'e:/data/el/LDC2015E20/data/eval/data/mentions-raw.tab'
    eid_wid_file = 'e:/data/el/res/eid_wid_ord_eid.txt'
    keep_nil = True
    only_show_not_in_candidate = False

    eid_wid_dict = load_eid_wid_file(eid_wid_file)

    # gold_el_result = load_gold_el(gold_file)
    mentions = Mention.load_edl_file(gold_file)
    qid_mention_dict = Mention.group_mentions_by_qid(mentions)
    docs_info, dim = load_docs_info(data_file)

    error_list = list()
    num_mentions, nil_mentions = 0, 0
    nil_hit_cnt, id_hit_cnt = 0, 0
    for doc in docs_info:
        docid, docvec, mentions = doc
        for mention in mentions:
            (qid, kbids, commonnesses, vecs) = mention

            gold_mention = qid_mention_dict[qid]
            gold_id = gold_mention.kbid
            gold_id_is_nil = gold_id.startswith('NIL')
            if gold_id_is_nil:
                nil_mentions += 1
            if not keep_nil and gold_id_is_nil:
                continue
            num_mentions += 1

            indices, legal_kbids = __get_legal_kbids(kbids, keep_nil)

            if gold_id_is_nil and (len(legal_kbids) == 0
                                   or legal_kbids[0].startswith('m.')):
                nil_hit_cnt += 1
                continue

            first_kbid = legal_kbids[0] if legal_kbids else 'NIL'

            if first_kbid == gold_id:
                id_hit_cnt += 1
                continue

            error_list.append(
                (qid, docid, gold_mention.name, gold_id, legal_kbids))

    error_list.sort(key=lambda x: x[2])
    for e in error_list:
        qid, docid, name, gold_id, legal_kbids = e
        gold_wid = eid_wid_dict.get(gold_id, -1)
        in_candidates = gold_id in legal_kbids

        if only_show_not_in_candidate and in_candidates:
            continue

        # if not in_candidates:
        #     print 'not found'
        print '%s\t%s\t%s\t%s_%d' % (qid, docid, name, gold_id, gold_wid)

        # for eid in legal_kbids:
        #     wid = eid_wid_dict.get(eid, -1)
        #     print '\t%s_%d' % (eid, wid),
        # print

    print id_hit_cnt, num_mentions
    print 'INKB: %f' % (float(id_hit_cnt) / (num_mentions - nil_mentions))
    print 'TOTAL: %f' % (float(id_hit_cnt + nil_hit_cnt) / num_mentions)
Esempio n. 21
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def all_to_all(edl_file, dst_edl_file):
    mentions = Mention.load_edl_file(edl_file)
    __assgin_different_id_to_all_nils(mentions)
    Mention.save_as_edl_file(mentions, dst_edl_file)
Esempio n. 22
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def __name_expansion(edl_mentions_file, doc_ner_file, tokenized_text_file,
                     entity_candidates_dict_file, dst_file):
    mentions = Mention.load_edl_file(edl_mentions_file)
    __expand_name_with_ner_result(mentions, doc_ner_file)
    # __expand_location_names(mentions, tokenized_text_file, entity_candidates_dict_file)
    Mention.save_as_edl_file(mentions, dst_file)