Báo cáo khoa học: "Coarse Lexical Semantic Annotation with Supersenses: An Arabic Case Study" docx
... new lan- guages, topics, and genres; and coverage. This paper describes coarse lexical semantic annotation of Arabic Wikipedia articles subject to these con- straints. Traditional lexical semantic ... coverage and was completed quickly with reasonable inter-annotator agreement. 1 Introduction The goal of “lightweight” semantic annotation of text, particularly in scenarios w...
Ngày tải lên: 16/03/2014, 20:20
... include Hyperspace Analogue to 729 Language (HAL) (Lund and Burgess, 1996) and Latent Semantic Analysis (LSA) (Landauer et al., 1998). Knowledge-based measures rely on lexical semantic resources ... pairs and will be re- ferred to as WAQ (WikiAnswers Questions) in the rest of the paper. 3.2 Lexical Semantic Resources Glosses and definitions for the same lexeme in dif- ferent lexical...
Ngày tải lên: 20/02/2014, 07:20
... Syntactic and Semantic Transfer with F-Structures* Michael Dorna*, Anette Frank t, Josef van Genabith* and Martin C. Emele* *IMS, Universit~it Stuttgart ... derivations of meaning assignments from a set of meaning constructors. Ambiguity pre- serving semantic transfer can be devised on sets of meaning constructors rather than dis- ambiguated meanings (Genabith ... HANS]I~I]~/131...
Ngày tải lên: 20/02/2014, 18:20
Báo cáo khoa học: "Coarse-to-fine n-best parsing and MaxEnt discriminative reranking" docx
... associate each phrase with a lexical head and a function head. For example, the lexical head of an NP is a noun while the functional head of an NP is a determiner, and the lexical head of a VP ... conjoined with a boolean flag that indi- cates whether the pair is final in the coordinated phrase. RightBranch (2) This schema enables the reranker to prefer right-branching trees. One...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: " Extending Latent Semantic Analysis with features for dialogue act classification" pot
... Feature Latent Semantic Analysis (FLSA) as an extension to Latent Seman- tic Analysis (LSA). LSA can be thought as repre- senting the meaning of a word as a kind of average of the meanings of all ... Latent Semantic Analysis (FLSA), an extension to Latent Semantic Analysis (LSA). LSA is a statistical method that is ordinar- ily trained on words only; FLSA adds to LSA the richness of...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: "Can Document Selection Help Semi-supervised Learning? A Case Study On Event Extraction" potx
... is a specific event or not, and then need to identify the event participants (like Agent and Patient), and attributes (like place and time) to complete an event annotation. As a result, for ... (2005) suggested an alternative method for ranking the candidate patterns by lexical similarities. Liao and Grishman (2010b) combined these two approaches to build a filtered ranking alg...
Ngày tải lên: 30/03/2014, 21:20
Báo cáo khoa học: "Using lexical and relational similarity to classify semantic relations" pptx
... reasoning, and he applies his PairClass algorithm to a number of problems including SAT verbal analogy tests, synonym/antonym classification and distinction between semantically similar and semantically ... for un- supervised semantic analysis of noun compounds. The range of semantic relations that can be ex- pressed by compounds is the subject of some con- troversy (Ryder, 1994), and unsu...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger of English" pot
... of tagset–testing–only work at Lancaster University (UK) by five treebankers, with daily interactions among treebankers, and between the treebankers and the ATR grammarian. The semantic catego- rization ... Computational Linguistics Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger of English Andrew Finch NiCT ∗ -ATR † Kyoto, Japan a...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo khoa học: "Framework of Semantic Role Assignment based on Extended Lexical Conceptual Structure: Comparison with VerbNet and FrameNet" ppt
... for semantic parsing, such as PropBank and FrameNet, are not perfect as a semantic role label- ing framework. Their semantic roles are not strictly defined; therefore, their mean- ings and semantic ... verb lexical semantics, which is an extension of the lexical conceptual structure (LCS) theory, and compare it with other exist- ing frameworks which are used in VerbNet and Fram...
Ngày tải lên: 24/03/2014, 03:20
Báo cáo khoa học: "Combining Lexical, Syntactic, and Semantic Features with Maximum Entropy Models for Extracting Relations" pptx
... American Medical Associa- tion, or to Thomas R. Reardon or the board (an or- ganization) of the American Medical Association. Moreover, there is an explicit management rela- tion between chairman and ... diverse lexical, syntactic and semantic features. Our results indicate that us- ing a variety of information sources can result in improved recall and overall F measure. Our ap- proach...
Ngày tải lên: 31/03/2014, 03:20