Báo cáo khoa học: "A Flexible POS Tagger Using an Automatically Acquired Language Model" potx

... A Flexible POS Tagger Using an Automatically Acquired Language Model* Llufs Mhrquez LSI- UPC c/Jordi Girona 1-3 08034 Barcelona. ... hybrid language model consisting of an automatically acquired part and a linguist-written part. 238 The automatically acquired part is divided in two kinds of information: on the one hand, ... constraints and linguisti- cally...

Ngày tải lên: 08/03/2014, 21:20

... words that can be further tagged with all possible POSs using an electronic Thai dictionary, the POS tagging tasks can be re- garded as a kind of POS disambiguation prob- lem using contexts ... Here tile Prob(POSi[x) is the prior probability of POSi that the word x can be and is estimated from tile training data as Prob(PO&[x) - IPOSi,xl Ixl ' (8) where IPOSi,x[ i...

Ngày tải lên: 23/03/2014, 19:20

... approaches to language modeling.” Wang et al. (2006) integrated n-gram, structured language model (SLM) (Chelba and Jelinek, 2000) and probabilistic latent semantic analysis (PLSA) (Hofmann, 2001) ... SLM and PLSA models together to build a composite gen- erative language model under the directed MRF paradigm (Wang et al., 2005; Wang et al., 2006), the TAGGER and CONSTRUCTOR in SLM an...

Ngày tải lên: 20/02/2014, 04:20

... Och and Ney, 2004a) is a simple, but power- ful mechanism to machine translation since it can model local reorderings and translations of multi- word expressions well. However, it cannot handle ... algorithm. It translates each span ite- ratively from small one to large one (lines 1-2). This strategy can guarantee that when translating the current span, all spans smaller than the current ....

Ngày tải lên: 17/03/2014, 02:20

... (empty descriptive content) or, for instance, 'the red car'. Let us return to the tree repository and illus- trate how templates and rules can be represented uniformly. The representation ... order: • A DIALOGUE PLANNER, which produces an abstract description of the dialogue (the dialogue plan). • A MULTI-MODAL NATURAL LANGUAGE GENERA- TOR which specifies linguistic and non-ling...

Ngày tải lên: 22/02/2014, 02:20

... Poster and Demonstration Sessions, pages 109–112, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation Christoph ... Heidelberg, Germany mueller@eml-research.de Abstract We present an implemented XML data model and a new, simplified query language for multi-level an- notated corpora. The...

Ngày tải lên: 08/03/2014, 04:22

... describes an architecture for performing anaphora resolution in a flexible way. Systems which con- form to these guidelines are well- encapsulated and portable, and can be used to compare anaphora ... pronoun resolution code regardless of the parser front-end and language type under analysis. It can be used, inter alia, to compare anaphora resolution tech- niques for a given a...

Ngày tải lên: 08/03/2014, 21:20

... free order natural language gen- erator i.e. user can give input to the system using any order; the system will not impose any par- ticular order on the user (as imposed by the San- yog Project). ... speech-to-speech translator between English and Mandarin Chinese. The NLG part of this system uses trigram language model for selecting appropriate inflectional form for target langua...

Ngày tải lên: 17/03/2014, 04:20

... an ATN . ~s extended to handle ill-formed sen tences is the one of word ordering. ATNs are po E erful formal tools able to analyze type-O lan guages; in the theory of formal languages alan ... flexibility has the disadvantage of not gi~ ing any cue for deciding a-priori what is a valid natural change and what is not (it is possible to devise natural changes for all possible kinds of...

Ngày tải lên: 18/03/2014, 02:20

... Research and Development, 1986. [Bobrow and Winograd, 1977] D. Bobrow and T. Wino- grad. An overview of KRL, a knowledge representa- tion language. Cognitive Science, 1(1), 1977. [Brachman and ... TRUMP (TRansportable Understanding Mechanism Pack- age) [Jacobs, 1986b], used for language analysis in multiple domains. This paper will describe the phrasal knowledge base of FLUSH a...

Ngày tải lên: 24/03/2014, 02:20