Báo cáo khoa học: "A Generative Entity-Mention Model for Linking Entities with Knowledge Base" doc

... new generative model, the entity-mention model, which can leverage heterogenous entity knowledge (including popularity knowledge, name knowledge and context knowledge) for the entity linking ... 9462 The Generative Entity-Mention Model for Entity Linking In this section we describe the generative entity-mention model. We first describe the generative story of our model, then formulate ... Association for Computational Linguistics, pages 945–954,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsA Generative Entity-Mention Model for Linking Entities with...

Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt

... hierarchical model and re-gression model to score sentences in new docu-ments, eliminating the need for building a genera-tive model for new document clusters.3 Summary-Focused Hierarchical Model Our ... two step learn-ing problem building a generative model for pattern discovery and a regression model for inference. We calculate scores for sentences in document clusters basedon their latent ... approaches for MDS aspresented in this paper.In this paper, we present a novel approach thatformulates MDS as a prediction problem basedon a two-step hybrid model: a generative model for hierarchical...

Tài liệu Báo cáo khoa học: "A Unified Graph Model for Sentence-based Opinion Retrieval" pdf

... re-trieval model, and further assumed that all re-trieved documents contained relevant opinions. (2) Doc: The 2-stage document-based opinion retrieval model was adopted. The model used sentiment ... only 8 relevant documents without any opinion and 14 documents with relevant opinions. As a result, the graph constructed by insufficient documents worked ineffectively. Except for the above ... method, where documents are ranked at different levels: irrelevant, relevant but without opinion, and re-levant with opinion. Since polarity is not consi-dered, all relevant documents with opinion...

Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf

... 61–64,Prague, June 2007.c2007 Association for Computational LinguisticsA Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean Hyungjong Noh* Jeong-Won ... errors. Likewise, algo-rithms for solving spelling error problem cannot work well with word spacing errors. To cope with the limitation, there is an algo-rithm proposed for Japanese (Nagata, 1996). ... network84 Experiments and Analyses 4.1 Corpus Information Table 1: Corpus information Table 1 shows the information of corpus which is used for experiments. All corpora are obtained from...

Tài liệu Báo cáo khoa học: "A Phonotactic Language Model for Spoken Language Identification" pptx

... June 2005.c2005 Association for Computational LinguisticsA Phonotactic Language Model for Spoken Language Identification Haizhou Li and Bin Ma Institute for Infocomm Research Singapore ... spoken languages. In addition, spoken documents1, in the form of digitized wave files, are far less structured than written documents and need to be treated with techniques that go beyond the ... in the model lλ to hypothesize from among L lan-guages, Λ , as the one that is actually spoken in a spoken document O. The LID model ˆllλ in P-PRLM refers to extracted information...

Tài liệu Báo cáo khoa học: "A Localized Prediction Model for Statistical Machine Translation" ppt

... blocks for for which.5604 Online Training of Maximum-entropy Model The local model described in Section 3 leads to the fol-lowing abstract maximum entropy training formulation:(8)In this formulation, ... Training ResultsWe compare model performance with respect to the num-ber and type of features used as well as with respectto different re-ordering models. Results for experi-ments are shown ... memory. For blocks with neutral orientation , we traina separate model that does not use the orientation model feature or the binary features. E.g. for the results in linein Table 2, the neutral model...

Tài liệu Báo cáo khoa học: "A SPEECH-FIRST MODEL FOR REPAIR DETECTION AND CORRECTION" docx

... cues for repair processing. Discussion In this paper, we have presented a"speech-first" model, the Repair Interval Model, for studying repairs in spon- taneous speech. This model ... problem of fragment identification. Rather, models for fragment identifica- tion might make use of initial phoneme distributions, in combination with information on fragment length and acoustic-phonetic ... Mitton, 1991). For our corpus, pause fillers or cue words, which have been hypothesized as repair cues, occur within the DI for only 9.8% (332/368) of repairs, and so cannot be relied on for repair...

Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf

... all features,PER: perceptron model, WLM: word language model, PLM: POS language model, GPR: generating model, LPR: labelling model, LEN: word count penalty.LM with Witten-Bell smoothing, and ... the cascaded model has a two-layer architecture, with a character-based perceptron as the core combined with otherreal-valued features such as language models. We897CoreLinear Model (Perceptron)g1=iαi× ... cascaded linear model for joint Chinese word segmentation and part-of-speech tagging. With a character-basedperceptron as the core, combined with real-valued features such as language models, thecascaded...

Báo cáo khoa học: "A Unified Statistical Model for the Identification of English BaseNP" pptx

... calculation formulas are similar with equations (13) and (14) respectively.Before training trigram model (3), all possiblebaseNP rules should be extracted from thetraining corpus. For instance, ... of "stock was down 9.1 points yesterday morning"Figure 3: the transformed form of the path with dash line for the second pass processing2.4 The statistical parametertrainingIn this ... following equivalent form:(b)njjjjiiiiiiqqqbmtbmtbmtbmtbmtQ ) ,(),() ,(),(), (21111111==++++−−Where each POS tag it is associated with itspositional information ibm with respect tobaseNPs....

Báo cáo khoa học: " A Noisy-Channel Model for Document Compression" pptx

... on longer docu-ments. Unfortunately, the forests generated even for relatively small documents are huge. Because thereare an exponential number of summaries that can begenerated for any given ... memory for longer documents; therefore, we se-lected shorter subtexts from the original documents.We used both the WSJ and Mitre data for eval-uation because we wanted to see whether the per-formance ... source model should disfavor ungrammatical sentences anddocuments containing incoherently juxtaposedsentences.The channel model assigns to any docu-ment/summary pair a probability .This models...

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