Báo cáo khoa học: "Japanese Dependency Structure Analysis Based on Maximum Entropy Models" doc

... (Ratnaparkhi, 1997) is considered to be one of the most accurate parsers in English. Its probability estimation is based on the maximum entropy models. We also use the maximum entropy model. This ... Proceedings of EACL '99 Japanese Dependency Structure Analysis Based on Maximum Entropy Models Kiyotaka Uchimoto t Satoshi Sekine$ Hitoshi Isahara t tCommuni...

Ngày tải lên: 08/03/2014, 21:20

... Deverbal Compound Noun Analysis Based on Lexical Conceptual Structure Koichi Takeuchi Kyo Kageura Human and Social Information Research Division National Institute of Informatics 2-1-2 ... aprincipled approach for analysis of semantic relations between constituents in compound nouns based on lexical semantic structure. One of the difficulties of compound noun analysis is that...

Ngày tải lên: 08/03/2014, 04:22

... ORGANIZATION,0,0. *:*:location-name, SHI-NAI:*:common-noun -> LOCATION,0,1. *:*:location-name, *:*:common-noun -> ORGANIZATION,0,0. The first rule extracts CNN as an organization. The second rule ... Introduction Named entity (NE) recognition is a task in which proper nouns and numerical informa- tion in a document are detected and classi- fied into categories such as person, organiza- ti...

Ngày tải lên: 08/03/2014, 05:20

... phrases (BP). A BP usually consists of one or more content words and zero, 162 Figure 1: Graph expression for PAS one, or more than one functional words. Syn- tactic dependency between bunsetsu ... Asian Conference on Language, Information and Computation (PACLING). Kouichi Hashida. 2005. Global document annotation (GDA) manual. http://i-content.org/GDA/. Lynette Hirschman, Patricia Robin...

Ngày tải lên: 20/02/2014, 04:20

... Previ- ous work on Japanese dependency analysis has as- sumed that all the dependency relations are inde- pendent of one another. It is therefore necessary to also consider such a constraint as ... meth- ods: information about dependency rela- tions among the case elements of a verb, and information about co-occurrence re- lations between a verb and its case ele- ment. This informat...

Ngày tải lên: 20/02/2014, 12:20

... growth of Web 2.0. Such documents do not use controlled written language and contain fillers and emoticons. This implies that analyzing such documents is diffi- cult for conventional parsers. This paper ... in the tree structure. Conventional parsers have forced such independent units to modify other units. Documents published by end users (e.g., blogs) are increasing on the Internet along w...

Ngày tải lên: 31/03/2014, 01:20

... both content -based and structure- based similarity measures. To this end, we have to evaluate the algorithms in real application envi- ronments (e.g. information retrieval and machine translation) ... COLING/ACL 2006 Main Conference Poster Sessions, pages 399–406, Sydney, July 2006. c 2006 Association for Computational Linguistics Efficient sentence retrieval based on syntactic stru...

Ngày tải lên: 31/03/2014, 01:20

... rela- tions (corresponding to quantifiers), or a predicate- argument structure which is composed of several re- lations. During alignment, we only consider non- atomic EPs, as quantifiers should be considered ... Association for Computational Linguistics, pages 125–129, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Cross-lingual Parse Disambiguatio...

Ngày tải lên: 19/02/2014, 19:20

... 4 Approaches Based on these motivations we have developed two approaches to conduct cross-event propaga- tion. Section 4.1 below will describe the rule- based approach and section 4.2 will present ... “newspaper” and “Moni- tor”. However, there is only one positive sample matching these conditions in the training corpora, and thus the Maximum Entropy classifier as- signed a very...

Ngày tải lên: 20/02/2014, 09:20

... that models be searched for that satisfy a conjunction of disjunctions (rather than simply a conjunction) of lexical tree descriptions. The constraint based encoding of this problem presented in ... the generation process. In constraint programming, the solutions to a constraint satisfaction problem (CSP) are found by alternating propagation with distribution steps. Propagation is a process...

Ngày tải lên: 20/02/2014, 18:20