combined syntactic and semantic kernels for text classification

... 2009. c 2009 Association for Computational Linguistics Syntactic and Semantic Kernels for Short Text Pair Categorization Alessandro Moschitti Department of Computer Science and Engineering University ... Basili, and S. Manandhar. 2007. Exploiting syntactic and shallow semantic kernels for question/answer classification. In ACL’07, Prague, Czech Republic. A. Moschitti. 2006. Making Tree Kernels ... used for questions and for answers, we used (and summed together) the same kernels ex- cept for those based on PASs, which are only used on answers. 4.1.1 Datasets To train and test our text...

Ngày tải lên: 22/02/2014, 02:20

... for Computational Linguistics:shortpapers, pages 710–714, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics An Ensemble Model that Combines Syntactic and Semantic ... 39.55 Table 1: For each test section and model, the number in the first/second row is the unlabeled-accuracy/unlabeled-complete- correct. See the text for more explanation. (TOP (S-14 (PP-2 (IN-1 For) (NP-10 ... parsing errors for each model and the ensemble. For each dependent to head depen- 1 code.google.com/p/berkeleyparser 2 Sentences of the Penn Treebank were excluded from the text used for the clustering. 3 people.csail.mit.edu/maestro/papers/bllip-clusters.gz 4 Terry...

Ngày tải lên: 17/03/2014, 00:20

... Efficient convolution kernels for depen- dency and constituent syntactic trees. In ECML’06. S. Quarteroni and S. Manandhar. 2006. User modelling for Adaptive Question Answering and Information Retrieval. ... introduces a viable ap- proach based on tree kernels. 3 Syntactic and Semantic Kernels for Text As mentioned above, encoding syntactic/ semantic information represented by means of tree structures in ... 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...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 26/11/2013, 13:16

Ngày tải lên: 26/11/2013, 13:21

... over feature structures for transfer, see (Emele and Dorna, 1998). 2For presentational purposes we leave out morpho- syntactic information in f-structures here and in the fol- lowing examples. ... (Kay et al., 1994; Caspari and Schmid, 1994) which uses terms as a quasi- semantic representation for transfer and gener- ation. The translation between f-structures and terms is based on the ... can be converted into sets of terms and vice versa} F-structure 1For motivation why we prefer term representations PRED features and their " ;semantic form" values are given special...

Ngày tải lên: 20/02/2014, 18:20

... that the input move is lexically correct and tries to obtain a parse for it, employing syntactic and semantic relaxation techniques for handling ill-formed sentences (Huang 1988). If no acceptable ... used to limit the range of syntactic pos- sibilities and the parser will align tone group and move syntactic boundaries at a later stage. By integrating syntax and semantics, the Parser is ... noun group in certain context. 117 Prosodic Aids to Syntactic and Semantic Analysis of Spoken English Chris Rowles and Xiuming Huang AI Systems Section Australia and Overseas Telecommunications...

Ngày tải lên: 20/02/2014, 21:20

... t-test) greater for one violation type than the other (i.e., syntax bad–syntax good Ͼ semantics bad–semantics good, and semantics Syntax and Semantics with fMRI 351 INTRODUCTION For more than a ... temporal and tem- poral-parietal) and encoding and/ or retrieval of semantic information (medial temporal regions and the left prefrontal cortex). The temporal lobe is known to be involved in semantic ... underlie semantic memory more generally, both in the encoding and retrieval of information, and in its long-term storage. 358 Newman et al. An Event-Related fMRI Study of Syntactic and Semantic...

Ngày tải lên: 07/03/2014, 17:20

... a very simple set of features: the article before; the POS before and after; the preposition before and after, and the syntactic category before and after the word be- ing labeled. The features ... Association for Computational Linguistics Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger of English Andrew Finch NiCT ∗ -ATR † Kyoto, Japan andrew.finch @atr.jp Ezra ... accurate syntactic information; however, it is not necessarily constrained to accept this choice of syntax. Rather, it is able to decide both syn- tax and semantics while taking semantic context into...

Ngày tải lên: 17/03/2014, 04:20

... 43(3):209–226. Stephan Bloehdorn and Alessandro Moschitti. 2007a. Combined syntactic and semantic kernels for text clas- sification. In Gianni Amati, Claudio Carpineto, and Gianni Romano, editors, ... Bloehdorn and Alessandro Moschitti. 2007b. Structure and semantics for expressive text kernels. In CIKM’07: Proceedings of the sixteenth ACM con- ference on Conference on information and knowledge management, ... for opti- mally combining lexical and syntactic constraints is still far for being accomplished. In particular, the ex- haustive design and experimentation of lexical and syntactic features for...

Ngày tải lên: 23/03/2014, 14:20

Ngày tải lên: 23/03/2014, 14:20

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 24/03/2014, 01:21

Ngày tải lên: 31/03/2014, 20:20

Ngày tải lên: 12/07/2014, 10:20

... knowledge for processing the semantics of words and documents. However, maintaining a thesaurus so that it sufficiently covers the lexicon of novel text data requires a lot of time and effort, which ... relative improvement). References E.Alfonseca and S.Manandhar. 2002. Extending a Lexical Ontology by a Combination of Distribu- tional Semantics Signatures. Proceedings of EKAW-2002:1-7. A.Budanitsky and G.Hirst. 2001. Semantic ... co- occurence statistics for semi-automatic semantic lexicon construction. Proceedings of COLING-ACL: 1110-1116. E.Riloff and J.Sheppard. 1997. A corpus-based T- proach for building semantic lexicons....

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 23/03/2014, 17:20

Ngày tải lên: 26/11/2013, 13:16

... from 5800 to 5900). The reclassification was carried out for upstream protection land (UPL), production forest land (PFL), convertible land (CL), cultivated land and plain as shown in Table ... erosion potential of the convertible land area in Binh Dinh (in reality, the upstream protection land and the production forest land had been planned for growing forests, so there is no need to take ... potential mainly distributes on the convertible land, the upstream protection land, and the production forest land. However, we have only researched and categorized the erosion potential in Binh...

Ngày tải lên: 13/02/2014, 12:20