コード例 #1
0
    def __init__(self,
                 n_words,
                 n_rels,
                 n_tags=None,
                 n_chars=None,
                 encoder='lstm',
                 feat=['char'],
                 n_embed=100,
                 n_pretrained=100,
                 n_feat_embed=100,
                 n_char_embed=50,
                 n_char_hidden=100,
                 char_pad_index=0,
                 elmo='original_5b',
                 elmo_bos_eos=(True, False),
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 bert_pooling='mean',
                 bert_pad_index=0,
                 freeze=True,
                 embed_dropout=.33,
                 n_lstm_hidden=400,
                 n_lstm_layers=3,
                 encoder_dropout=.33,
                 n_arc_mlp=500,
                 n_rel_mlp=100,
                 mlp_dropout=.33,
                 scale=0,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__(**Config().update(locals()))

        self.arc_mlp_d = MLP(n_in=self.args.n_hidden,
                             n_out=n_arc_mlp,
                             dropout=mlp_dropout)
        self.arc_mlp_h = MLP(n_in=self.args.n_hidden,
                             n_out=n_arc_mlp,
                             dropout=mlp_dropout)
        self.rel_mlp_d = MLP(n_in=self.args.n_hidden,
                             n_out=n_rel_mlp,
                             dropout=mlp_dropout)
        self.rel_mlp_h = MLP(n_in=self.args.n_hidden,
                             n_out=n_rel_mlp,
                             dropout=mlp_dropout)

        self.arc_attn = Biaffine(n_in=n_arc_mlp,
                                 scale=scale,
                                 bias_x=True,
                                 bias_y=False)
        self.rel_attn = Biaffine(n_in=n_rel_mlp,
                                 n_out=n_rels,
                                 bias_x=True,
                                 bias_y=True)
        self.criterion = nn.CrossEntropyLoss()
コード例 #2
0
    def __init__(self,
                 n_words,
                 n_labels,
                 n_tags=None,
                 n_chars=None,
                 encoder='lstm',
                 feat=['char'],
                 n_embed=100,
                 n_pretrained=100,
                 n_feat_embed=100,
                 n_char_embed=50,
                 n_char_hidden=100,
                 char_pad_index=0,
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 bert_pooling='mean',
                 bert_pad_index=0,
                 freeze=True,
                 embed_dropout=.33,
                 n_lstm_hidden=400,
                 n_lstm_layers=3,
                 encoder_dropout=.33,
                 n_span_mlp=500,
                 n_pair_mlp=100,
                 n_label_mlp=100,
                 mlp_dropout=.33,
                 inference='mfvi',
                 max_iter=3,
                 interpolation=0.1,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__(**Config().update(locals()))

        self.span_mlp_l = MLP(n_in=self.args.n_hidden, n_out=n_span_mlp, dropout=mlp_dropout)
        self.span_mlp_r = MLP(n_in=self.args.n_hidden, n_out=n_span_mlp, dropout=mlp_dropout)
        self.pair_mlp_l = MLP(n_in=self.args.n_hidden, n_out=n_pair_mlp, dropout=mlp_dropout)
        self.pair_mlp_r = MLP(n_in=self.args.n_hidden, n_out=n_pair_mlp, dropout=mlp_dropout)
        self.pair_mlp_b = MLP(n_in=self.args.n_hidden, n_out=n_pair_mlp, dropout=mlp_dropout)
        self.label_mlp_l = MLP(n_in=self.args.n_hidden, n_out=n_label_mlp, dropout=mlp_dropout)
        self.label_mlp_r = MLP(n_in=self.args.n_hidden, n_out=n_label_mlp, dropout=mlp_dropout)

        self.span_attn = Biaffine(n_in=n_span_mlp, bias_x=True, bias_y=False)
        self.pair_attn = Triaffine(n_in=n_pair_mlp, bias_x=True, bias_y=False)
        self.label_attn = Biaffine(n_in=n_label_mlp, n_out=n_labels, bias_x=True, bias_y=True)
        self.inference = (MFVIConstituency if inference == 'mfvi' else LBPConstituency)(max_iter)
        self.criterion = nn.CrossEntropyLoss()
コード例 #3
0
    def __init__(self,
                 n_words,
                 n_feats,
                 n_labels,
                 feat='char',
                 n_embed=100,
                 n_feat_embed=100,
                 n_char_embed=50,
                 bert=None,
                 n_bert_layers=4,
                 max_len=None,
                 mix_dropout=.0,
                 embed_dropout=.33,
                 n_lstm_hidden=400,
                 n_lstm_layers=3,
                 lstm_dropout=.33,
                 n_mlp_span=500,
                 n_mlp_label=100,
                 mlp_dropout=.33,
                 feat_pad_index=0,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__()

        self.args = Config().update(locals())
        # the embedding layer
        self.word_embed = nn.Embedding(num_embeddings=n_words,
                                       embedding_dim=n_embed)
        if feat == 'char':
            self.feat_embed = CharLSTM(n_chars=n_feats,
                                       n_embed=n_char_embed,
                                       n_out=n_feat_embed,
                                       pad_index=feat_pad_index)
        elif feat == 'bert':
            self.feat_embed = BertEmbedding(model=bert,
                                            n_layers=n_bert_layers,
                                            n_out=n_feat_embed,
                                            pad_index=feat_pad_index,
                                            max_len=max_len,
                                            dropout=mix_dropout)
            self.n_feat_embed = self.feat_embed.n_out
        elif feat == 'tag':
            self.feat_embed = nn.Embedding(num_embeddings=n_feats,
                                           embedding_dim=n_feat_embed)
        else:
            raise RuntimeError("The feat type should be in ['char', 'bert', 'tag'].")
        self.embed_dropout = IndependentDropout(p=embed_dropout)

        # the lstm layer
        self.lstm = BiLSTM(input_size=n_embed+n_feat_embed,
                           hidden_size=n_lstm_hidden,
                           num_layers=n_lstm_layers,
                           dropout=lstm_dropout)
        self.lstm_dropout = SharedDropout(p=lstm_dropout)

        # the MLP layers
        self.mlp_span_l = MLP(n_in=n_lstm_hidden*2,
                              n_out=n_mlp_span,
                              dropout=mlp_dropout)
        self.mlp_span_r = MLP(n_in=n_lstm_hidden*2,
                              n_out=n_mlp_span,
                              dropout=mlp_dropout)
        self.mlp_label_l = MLP(n_in=n_lstm_hidden*2,
                               n_out=n_mlp_label,
                               dropout=mlp_dropout)
        self.mlp_label_r = MLP(n_in=n_lstm_hidden*2,
                               n_out=n_mlp_label,
                               dropout=mlp_dropout)

        # the Biaffine layers
        self.span_attn = Biaffine(n_in=n_mlp_span,
                                  bias_x=True,
                                  bias_y=False)
        self.label_attn = Biaffine(n_in=n_mlp_label,
                                   n_out=n_labels,
                                   bias_x=True,
                                   bias_y=True)
        self.crf = CRFConstituency()
        self.criterion = nn.CrossEntropyLoss()
        self.pad_index = pad_index
        self.unk_index = unk_index
コード例 #4
0
    def __init__(
            self,
            n_words,
            n_rels,
            n_tags=None,
            n_chars=None,
            encoder='lstm',
            feat=['char'],
            n_embed=100,
            n_pretrained=100,
            n_feat_embed=100,
            n_char_embed=50,
            n_char_hidden=100,
            char_pad_index=0,
            bert=None,
            n_bert_layers=4,
            mix_dropout=.0,
            bert_pooling='mean',
            bert_pad_index=0,
            freeze=True,
            embed_dropout=.33,
            n_lstm_hidden=400,
            n_lstm_layers=3,
            encoder_dropout=.33,
            n_arc_mlp=500,
            n_rel_mlp=100,
            mlp_dropout=.33,
            use_attentions=True,  # attention
            attention_head=0,  # attention
            attention_layer=6,  # attention
            scale=0,
            pad_index=0,
            unk_index=1,
            **kwargs):
        super().__init__(**Config().update(locals()))

        self.arc_mlp_d = MLP(n_in=self.args.n_hidden,
                             n_out=n_arc_mlp,
                             dropout=mlp_dropout)
        self.arc_mlp_h = MLP(n_in=self.args.n_hidden,
                             n_out=n_arc_mlp,
                             dropout=mlp_dropout)
        self.rel_mlp_d = MLP(n_in=self.args.n_hidden,
                             n_out=n_rel_mlp,
                             dropout=mlp_dropout)
        self.rel_mlp_h = MLP(n_in=self.args.n_hidden,
                             n_out=n_rel_mlp,
                             dropout=mlp_dropout)

        self.arc_attn = Biaffine(n_in=n_arc_mlp,
                                 scale=scale,
                                 bias_x=True,
                                 bias_y=False)
        self.rel_attn = Biaffine(n_in=n_rel_mlp,
                                 n_out=n_rels,
                                 bias_x=True,
                                 bias_y=True)

        # transformer attention
        if use_attentions:
            self.attn_mix = nn.Parameter(torch.randn(1))

        self.criterion = nn.CrossEntropyLoss()
コード例 #5
0
    def __init__(self,
                 n_words,
                 n_labels,
                 n_tags=None,
                 n_chars=None,
                 n_lemmas=None,
                 encoder='lstm',
                 feat=['tag', 'char', 'lemma'],
                 n_embed=100,
                 n_pretrained=125,
                 n_feat_embed=100,
                 n_char_embed=50,
                 n_char_hidden=400,
                 char_pad_index=0,
                 char_dropout=0.33,
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 bert_pooling='mean',
                 bert_pad_index=0,
                 freeze=True,
                 embed_dropout=.2,
                 n_lstm_hidden=600,
                 n_lstm_layers=3,
                 encoder_dropout=.33,
                 n_edge_mlp=600,
                 n_label_mlp=600,
                 edge_mlp_dropout=.25,
                 label_mlp_dropout=.33,
                 interpolation=0.1,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__(**Config().update(locals()))

        self.edge_mlp_d = MLP(n_in=self.args.n_hidden,
                              n_out=n_edge_mlp,
                              dropout=edge_mlp_dropout,
                              activation=False)
        self.edge_mlp_h = MLP(n_in=self.args.n_hidden,
                              n_out=n_edge_mlp,
                              dropout=edge_mlp_dropout,
                              activation=False)
        self.label_mlp_d = MLP(n_in=self.args.n_hidden,
                               n_out=n_label_mlp,
                               dropout=label_mlp_dropout,
                               activation=False)
        self.label_mlp_h = MLP(n_in=self.args.n_hidden,
                               n_out=n_label_mlp,
                               dropout=label_mlp_dropout,
                               activation=False)

        self.edge_attn = Biaffine(n_in=n_edge_mlp,
                                  n_out=2,
                                  bias_x=True,
                                  bias_y=True)
        self.label_attn = Biaffine(n_in=n_label_mlp,
                                   n_out=n_labels,
                                   bias_x=True,
                                   bias_y=True)
        self.criterion = nn.CrossEntropyLoss()
コード例 #6
0
ファイル: model.py プロジェクト: zsLin177/BiaffineDependency
    def __init__(self,
                 n_words,
                 n_feats,
                 n_rels,
                 encoder='lstm',
                 feat='char',
                 n_embed=100,
                 n_feat_embed=100,
                 n_char_embed=50,
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 embed_dropout=.33,
                 n_lstm_hidden=400,
                 n_lstm_layers=3,
                 n_att_layers=6,
                 lstm_dropout=.33,
                 n_mlp_arc=500,
                 n_mlp_rel=100,
                 mlp_dropout=.33,
                 feat_pad_index=0,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__()
        self.args = Config().update(locals())

        self.word_embed = nn.Embedding(num_embeddings=n_words,
                                       embedding_dim=n_embed)
        # can trained embed:word in train

        self.feat_embed = CharLSTM(n_chars=n_feats,
                                   n_embed=n_char_embed,
                                   n_out=n_feat_embed,
                                   pad_index=feat_pad_index)

        self.embed_dropout = IndependentDropout(p=embed_dropout)
        # 输入层的dropout,采用独立dropout

        self.encoder_type=encoder
        if(encoder=='lstm'):
            self.encoder = BiLSTM(input_size=n_embed + n_feat_embed,
                               hidden_size=n_lstm_hidden,
                               num_layers=n_lstm_layers,
                               dropout=lstm_dropout)
            self.lstm_dropout = SharedDropout(p=lstm_dropout)
            # 编码层lstm以及shared dropout

        elif(encoder=='att'):
            d_input=n_embed + n_feat_embed
            self.linear1=nn.Linear(d_input,n_lstm_hidden * 2) # 前加
            self.encoder=Attention_encoder(d_model=n_lstm_hidden * 2,n_layers=n_att_layers)
            # self.linear2=nn.Linear(512,n_lstm_hidden * 2,bias=False) # 后加

        self.mlp_arc_d = MLP(n_in=n_lstm_hidden * 2,
                             n_out=n_mlp_arc,
                             dropout=mlp_dropout)
        self.mlp_arc_h = MLP(n_in=n_lstm_hidden * 2,
                             n_out=n_mlp_arc,
                             dropout=mlp_dropout)
        self.mlp_rel_d = MLP(n_in=n_lstm_hidden * 2,
                             n_out=n_mlp_rel,
                             dropout=mlp_dropout)
        self.mlp_rel_h = MLP(n_in=n_lstm_hidden * 2,
                             n_out=n_mlp_rel,
                             dropout=mlp_dropout)
        # 四个不同的全连接层,映射到对应的维度

        self.arc_attn = Biaffine(n_in=n_mlp_arc,
                                 bias_x=True,
                                 bias_y=False)
        self.rel_attn = Biaffine(n_in=n_mlp_rel,
                                 n_out=n_rels,
                                 bias_x=True,
                                 bias_y=True)
        self.criterion = nn.CrossEntropyLoss()
        self.pad_index = pad_index
        self.unk_index = unk_index
コード例 #7
0
ファイル: sdp.py プロジェクト: yzhangcs/parser
    def __init__(self,
                 n_words,
                 n_labels,
                 n_tags=None,
                 n_chars=None,
                 n_lemmas=None,
                 encoder='lstm',
                 feat=['tag', 'char', 'lemma'],
                 n_embed=100,
                 n_pretrained=125,
                 n_feat_embed=100,
                 n_char_embed=50,
                 n_char_hidden=100,
                 char_pad_index=0,
                 char_dropout=0,
                 elmo='original_5b',
                 elmo_bos_eos=(True, False),
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 bert_pooling='mean',
                 bert_pad_index=0,
                 freeze=True,
                 embed_dropout=.2,
                 n_lstm_hidden=600,
                 n_lstm_layers=3,
                 encoder_dropout=.33,
                 n_edge_mlp=600,
                 n_pair_mlp=150,
                 n_label_mlp=600,
                 edge_mlp_dropout=.25,
                 pair_mlp_dropout=.25,
                 label_mlp_dropout=.33,
                 inference='mfvi',
                 max_iter=3,
                 interpolation=0.1,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__(**Config().update(locals()))

        self.edge_mlp_d = MLP(n_in=self.args.n_hidden,
                              n_out=n_edge_mlp,
                              dropout=edge_mlp_dropout,
                              activation=False)
        self.edge_mlp_h = MLP(n_in=self.args.n_hidden,
                              n_out=n_edge_mlp,
                              dropout=edge_mlp_dropout,
                              activation=False)
        self.pair_mlp_d = MLP(n_in=self.args.n_hidden,
                              n_out=n_pair_mlp,
                              dropout=pair_mlp_dropout,
                              activation=False)
        self.pair_mlp_h = MLP(n_in=self.args.n_hidden,
                              n_out=n_pair_mlp,
                              dropout=pair_mlp_dropout,
                              activation=False)
        self.pair_mlp_g = MLP(n_in=self.args.n_hidden,
                              n_out=n_pair_mlp,
                              dropout=pair_mlp_dropout,
                              activation=False)
        self.label_mlp_d = MLP(n_in=self.args.n_hidden,
                               n_out=n_label_mlp,
                               dropout=label_mlp_dropout,
                               activation=False)
        self.label_mlp_h = MLP(n_in=self.args.n_hidden,
                               n_out=n_label_mlp,
                               dropout=label_mlp_dropout,
                               activation=False)

        self.edge_attn = Biaffine(n_in=n_edge_mlp, bias_x=True, bias_y=True)
        self.sib_attn = Triaffine(n_in=n_pair_mlp, bias_x=True, bias_y=True)
        self.cop_attn = Triaffine(n_in=n_pair_mlp, bias_x=True, bias_y=True)
        self.grd_attn = Triaffine(n_in=n_pair_mlp, bias_x=True, bias_y=True)
        self.label_attn = Biaffine(n_in=n_label_mlp,
                                   n_out=n_labels,
                                   bias_x=True,
                                   bias_y=True)
        self.inference = (SemanticDependencyMFVI if inference == 'mfvi' else
                          SemanticDependencyLBP)(max_iter)
        self.criterion = nn.CrossEntropyLoss()
コード例 #8
0
ファイル: semantic_dependency.py プロジェクト: qolina/parser
    def __init__(self,
                 n_words,
                 n_labels,
                 n_tags=None,
                 n_chars=None,
                 n_lemmas=None,
                 feat='tag,char,lemma',
                 n_embed=100,
                 n_embed_proj=125,
                 n_feat_embed=100,
                 n_char_embed=50,
                 char_pad_index=0,
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 bert_pad_index=0,
                 embed_dropout=.2,
                 n_lstm_hidden=600,
                 n_lstm_layers=3,
                 lstm_dropout=.33,
                 n_mlp_edge=600,
                 n_mlp_label=600,
                 edge_mlp_dropout=.25,
                 label_mlp_dropout=.33,
                 interpolation=0.1,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__()

        self.args = Config().update(locals())
        # the embedding layer
        self.word_embed = nn.Embedding(num_embeddings=n_words,
                                       embedding_dim=n_embed)
        self.embed_proj = nn.Linear(n_embed, n_embed_proj)

        self.n_input = n_embed + n_embed_proj
        if 'tag' in feat:
            self.tag_embed = nn.Embedding(num_embeddings=n_tags,
                                          embedding_dim=n_feat_embed)
            self.n_input += n_feat_embed
        if 'char' in feat:
            self.char_embed = CharLSTM(n_chars=n_chars,
                                       n_embed=n_char_embed,
                                       n_out=n_feat_embed,
                                       pad_index=char_pad_index)
            self.n_input += n_feat_embed
        if 'lemma' in feat:
            self.lemma_embed = nn.Embedding(num_embeddings=n_lemmas,
                                            embedding_dim=n_feat_embed)
            self.n_input += n_feat_embed
        if 'bert' in feat:
            self.bert_embed = BertEmbedding(model=bert,
                                            n_layers=n_bert_layers,
                                            pad_index=bert_pad_index,
                                            dropout=mix_dropout)
            self.n_input += self.bert_embed.n_out
        self.embed_dropout = IndependentDropout(p=embed_dropout)

        # the lstm layer
        self.lstm = LSTM(input_size=self.n_input,
                         hidden_size=n_lstm_hidden,
                         num_layers=n_lstm_layers,
                         bidirectional=True,
                         dropout=lstm_dropout)
        self.lstm_dropout = SharedDropout(p=lstm_dropout)

        # the MLP layers
        self.mlp_edge_d = MLP(n_in=n_lstm_hidden*2, n_out=n_mlp_edge, dropout=edge_mlp_dropout, activation=False)
        self.mlp_edge_h = MLP(n_in=n_lstm_hidden*2, n_out=n_mlp_edge, dropout=edge_mlp_dropout, activation=False)
        self.mlp_label_d = MLP(n_in=n_lstm_hidden*2, n_out=n_mlp_label, dropout=label_mlp_dropout, activation=False)
        self.mlp_label_h = MLP(n_in=n_lstm_hidden*2, n_out=n_mlp_label, dropout=label_mlp_dropout, activation=False)

        # the Biaffine layers
        self.edge_attn = Biaffine(n_in=n_mlp_edge, n_out=2, bias_x=True, bias_y=True)
        self.label_attn = Biaffine(n_in=n_mlp_label, n_out=n_labels, bias_x=True, bias_y=True)
        self.criterion = nn.CrossEntropyLoss()
        self.interpolation = interpolation
        self.pad_index = pad_index
        self.unk_index = unk_index
コード例 #9
0
    def __init__(self,
                 n_words,
                 n_feats,
                 n_labels,
                 feat='char',
                 n_embed=100,
                 n_feat_embed=100,
                 n_char_embed=50,
                 bert=None,
                 n_bert_layers=4,
                 mix_dropout=.0,
                 embed_dropout=.33,
                 n_lstm_hidden=600,
                 n_lstm_layers=3,
                 lstm_dropout=.33,
                 n_mlp_edge=600,
                 n_mlp_label=600,
                 mlp_dropout=.33,
                 feat_pad_index=0,
                 pad_index=0,
                 unk_index=1,
                 **kwargs):
        super().__init__()

        self.args = Config().update(locals())
        # the embedding layer
        self.word_embed = nn.Embedding(num_embeddings=n_words,
                                       embedding_dim=n_embed)
        # the linear to transform 100d glove to 125d
        self.glove_linear = nn.Linear(100, n_embed)  # 用的glove_100d

        if feat == 'char':
            self.feat_embed = CharLSTM(n_chars=n_feats,
                                       n_embed=n_char_embed,
                                       n_out=n_feat_embed,
                                       pad_index=feat_pad_index)
        elif feat == 'bert':
            self.feat_embed = BertEmbedding(model=bert,
                                            n_layers=n_bert_layers,
                                            n_out=n_feat_embed,
                                            pad_index=feat_pad_index,
                                            dropout=mix_dropout)
            self.n_feat_embed = self.feat_embed.n_out
        elif feat == 'tag':
            self.feat_embed = nn.Embedding(num_embeddings=n_feats,
                                           embedding_dim=n_feat_embed)
        else:
            raise RuntimeError(
                "The feat type should be in ['char', 'bert', 'tag'].")
        self.embed_dropout = IndependentDropout(p=embed_dropout)

        # the lstm layer
        self.lstm = LSTM(input_size=n_embed + n_feat_embed,
                         hidden_size=n_lstm_hidden,
                         num_layers=n_lstm_layers,
                         bidirectional=True,
                         dropout=lstm_dropout)
        self.lstm_dropout = SharedDropout(p=lstm_dropout)

        # the MLP layers
        self.mlp_edge_d = MLP(n_in=n_lstm_hidden * 2,
                              n_out=n_mlp_edge,
                              dropout=mlp_dropout)
        self.mlp_edge_h = MLP(n_in=n_lstm_hidden * 2,
                              n_out=n_mlp_edge,
                              dropout=mlp_dropout)
        self.mlp_label_d = MLP(n_in=n_lstm_hidden * 2,
                               n_out=n_mlp_label,
                               dropout=mlp_dropout)
        self.mlp_label_h = MLP(n_in=n_lstm_hidden * 2,
                               n_out=n_mlp_label,
                               dropout=mlp_dropout)

        # the Biaffine layers
        self.edge_attn = Biaffine(n_in=n_mlp_edge,
                                  n_out=2,
                                  bias_x=True,
                                  bias_y=True)
        self.label_attn = Biaffine(n_in=n_mlp_label,
                                   n_out=n_labels,
                                   bias_x=True,
                                   bias_y=True)
        self.criterion = nn.CrossEntropyLoss()
        self.pad_index = pad_index
        self.unk_index = unk_index