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

... Association for Computational Linguistics, pages 1367–1375, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics A Unified Graph Model for Sentence-based Opinion Retrieval ... research on unified opinion retrieval models. Eguchi and Lavrenko proposed an opinion re- trieval model in the framework of generative language modeling (Eguchi...

Ngày tải lên: 20/02/2014, 04:20

... paper, we formulate ex- tractive summarization as a two step learn- ing problem building a generative model for pattern discovery and a regression model for inference. We calculate scores for sentences ... 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 Summ...

Ngày tải lên: 20/02/2014, 04:20

... re-ranking model performs rather well for a limited number of candidate structures, and out- performs Charniak’s model when k = 5. In this case we observe a small boost in performance for the detection ... consistently outper- forms the PCFG model on this metric, as for UAS, and BAS. Concerning the other metrics, as the number of k-best candidates increases, the PCFG model outpe...

Ngày tải lên: 20/02/2014, 04:20

... 61–64, Prague, June 2007. c 2007 Association for Computational Linguistics A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean Hyungjong Noh* Jeong-Won ... network 8 4 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 ar...

Ngày tải lên: 20/02/2014, 12:20

... acoustic to- kens to form a unified acoustic vocabulary in our voice tokenizer. Readers are referred to (Ma et al. , 2005) for details of acoustic modeling. 3.1 Vector Space Modeling In human ... n-character slice for text categorization by lan- guage (Cavnar and Trenkle, 1994) and Phone Rec- ognition followed by n-gram Language Modeling, or PRLM (Zissman, 1996) . Orthographic fo...

Ngày tải lên: 20/02/2014, 15:20

... blocks for for which . 560 4 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, ... is obtained for this model. The ’SWAP & OR’ model uses an orientation model as described in Section 3. Here, we obtain a small but significant improvement over the base-...

Ngày tải lên: 20/02/2014, 15:20

... 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 ... AROA Air Travel Information System (ATIS) database. Our results are interpreted within our "speech-first" framework for investigating repairs, the REPAIR IN- TERVAL MODEL (...

Ngày tải lên: 20/02/2014, 21:20

... A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics Radu SORICUT Information Sciences Institute University of Southern California 4676 Admiralty ... only for N’s small enough to yield non-zero P(n) scores. For test corpora of reasonable size, the metrics are usually well-defined for N≤4. The BLEU proposed by Papineni et al. (2002) for ......

Ngày tải lên: 20/02/2014, 16:20

... experiment 2 for hexoses (black) and sucrose (grey). Doc. S1a. Model structure of C24. Doc. S1b. sbml format of model structure of C24. Doc. S2a. Model structure of Rsch. Doc. S2b. sbml format of model ... variation of the model parameters. The identification process was performed with a particle swarm pattern search method for bound constrained global opti- mization, as describe...

Ngày tải lên: 14/02/2014, 22:20

... target for prey capture. However, the genetic information for ÔunderdevelopedÕ a-conotoxins targeting other nAChR subtypes might still be present in the snails and could supply novel ligands for ... templates for the design of optimized synthetic peptides for the subtype characteriza- tion of nAChRs. Acknowledgements A. N. was supported by an Emmy Noether research fellowship of the...

Ngày tải lên: 19/02/2014, 12:20