Tài liệu Báo cáo khoa học: "Exploiting Syntactic and Shallow Semantic Kernels for Question/Answer Classification" docx

... Republic, June 2007. c 2007 Association for Computational Linguistics Exploiting Syntactic and Shallow Semantic Kernels for Question/Answer Classification Alessandro Moschitti University of Trento 38050 ... introduces a viable ap- proach based on tree kernels. 3 Syntactic and Semantic Kernels for Text As mentioned above, encoding syntactic/ semantic information...

Ngày tải lên: 20/02/2014, 12:20

... topic and lexicon results for all models, on data with and without social cues. The results for the variant models, in which Word t nonterminals expand via Word None , are shown under unigram  and colloc  . ... capable of performing hyper-parameter inference for the PCFG rule probabilities and the Pitman-Yor Process parameters. We used the “out- of-the-box” settings for this...

Ngày tải lên: 19/02/2014, 19:20

... generated under standardized conditions is critical for understanding dynamic cellular processes. We report strategies for error reduction, and algorithms for automated data processing and for establishing ... How- ever, before this approach can be used for biomedical applications, standardized procedures for data acquisi- tion, reliable normalization methods and generally a...

Ngày tải lên: 19/02/2014, 07:20

... the semantic score accounts for the semantic preference on a given set of lexical categories and a particular syntactic structure for the sentence. Various formulation for the lexical score and ... proposed for tagging semantic features. A semantic score function is de- rived based on a score function, which inte- grates lexical, syntactic and semantic prefer...

Ngày tải lên: 20/02/2014, 21:20

... 2009. c 2009 Association for Computational Linguistics Analysing Wikipedia and Gold-Standard Corpora for NER Training Joel Nothman and Tara Murphy and James R. Curran School of Information Technologies University ... CoNLL entities; 21 for numeri- cal and time data; and 30 for other classes. For our evaluation, BBN’s tags were reduced to the equivalent CoNLL tags, with ex...

Ngày tải lên: 22/02/2014, 02:20

... alter- nations and their semantic effects (Resnik, 1996; Tenny, 1994), and selecting tense and lexical items for natural language gen- eration ((Dorr and Olsen, 1996; Klavans and Chodorow, ... alternations and their se- mantic effects (Resnik, 1996; Tenny, 1994), and for selecting tense and lexical items for natural language generation ((Dorr and Olsen. 1996: K...

Ngày tải lên: 22/02/2014, 03:20

... distributions (Neal, 1993). The potential for joint inference of complementary information, such as syntactic verb and semantic argument classes, has a clear and in- terpretable way forward, in contrast to the ... al., 1998) provides semantic frames and annotated ex- ample sentences for 4,186 verbs. PropBank (Palmer et al., 2005) is a corpus where each verb is annotated for...

Ngày tải lên: 19/02/2014, 19:20

... Table 1. We use 5000 sentences for experiment and divide them into three parts, with 3k for train- ing, 1k for testing and 1k for tuning the parameters of kernels and thresholds of pruning the ... Linguistics, 29(1):19-51, March. Alessandro Moschitti. 2004. A Study on Convolution Kernels for Shallow Semantic Parsing. In Proceed- ings of ACL-04. Andreas Stolcke. 200...

Ngày tải lên: 20/02/2014, 04:20

... et al., 2007; DeNeefe and Knight, 2009; Liu et al., 2009; Chiang, 2010), and treelet (Ding and Palmer, 2005; Quirk et al., 2005) techniques use syntactic information to inform the translation model. ... Association for Computational Linguistics, pages 620–631, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Incremental Syntactic Language Mod...

Ngày tải lên: 20/02/2014, 04:20

... Computer Science and Informatics, School of Computer Science and Informatics, University College Dublin, University College Dublin, Belfield, Dublin D4, Ireland. Belfield, Dublin D4, Ireland. Tony.Veale@UCD.ie Yanfen.Hao@UCD.ie Demonstration ... point to, and exploit, the shared cultural touchstones that speakers and listeners alike can use to construct and intuit meanings. Taylor (...

Ngày tải lên: 20/02/2014, 05:20