Báo cáo khoa học: "An Integrated Multi-document Summarization Approach based on Word Hierarchical Representation" pot

... 2009 Conference Short Papers, pages 113–116,Suntec, Singapore, 4 August 2009.c2009 ACL and AFNLPAn Integrated Multi-document Summarization Approach based on Word Hierarchical Representation ... Center”. 3 Summarization based on Word Hierarchical Representation 3.1 Word Significance Estimation In order to include the most significant concepts into the summary, before using the hierarchical ... relations, the word hierarchical tree is constructed in a top-bottom manner. Two constraints are used in the tree construction process: (1) For two words related by a subsumption relation,...

Tài liệu Báo cáo khoa học: "AN INTEGRATED HEURISTIC SCHEME FOR PARTIAL PARSE EVALUATION" docx

... handling com- mon word substitutions when the parser's input string is the output of a speech recognition system. When the input contains a pre-determined commonly substituted word, the ... Evaluation Features So far, we have experimented with the following set of evaluation features: 1. The number and position of skipped words 2. The number of substituted words 3. The fragmentation ... and implemented via unification operations. This allows the grammar to constrain the applicability of context-free rules. The result of parsing an input sentence consists of both a parse tree...

Tài liệu Báo cáo khoa học: "An Integrated Environment for Computational Linguistics Experimentation" pot

... constraint -based approach of formaldescription and computation of discoursestructure. It considers both textual segmentsand discourse relations, and relies on expres-sion and satisfaction ... rely on a spe-ciﬁc operational model. These analysis modelsallow constraints to be expressed, on surface formas well as on annotations produced by the prece-dent analysers. All annotations ... information repre-sentation. Every component can produce its ownmarkup using preliminary markups and annota-96tions. Available formalisms make it possible to ex-press constraints on these...

Báo cáo khoa học: "An Integrated Architecture for Shallow and Deep Processing" doc

... the deep components canback off to all readings. NE recognition is based on simple pattern matching techniques. Proper names(organizations, persons, locations), temporal expres-sions and quantities ... (Cunningham et al., 1997), the XML markupcontains additive information, while the multi-levelchart contains positional and abstraction -based in-formation, e.g., feature structures representing ... 30,000 words per second in standardPC environment). We will brieﬂy describe the SPPCcomponents which are currently integrated with thedeep components.Each token identiﬁed by a tokenizer as a poten-tial...

Báo cáo khoa học: "An Integrated Term-Based Corpus Query System" pptx

... recognition also incorporates themapping of acronyms to their expanded forms.Our method for acronym acquisition is based on 246both morphological and syntactic features ofacronym definitions (see ... 2002)for details). We rely on syntactic patterns thatare predominantly used to introduce acronyms inscientific papers in order to locate potentialacronym definitions. Once a word sequencematching ... usage of acronyms. However,there are no strict rules for defining acronyms,and few methods for acronym acquisition havebeen developed only recently attracting much ofthe attention especially...

Báo cáo khoa học: "An Integrated Architecture for Generating Parenthetical Constructions" pptx

... CIRCUMSTANCE,PURPOSE, CONDITION, ANTITHESIS,or CONCES-SION relations. 26.6% of parentheticals in the cor-pus belong to this group.Because of the decision taken in the PDTB to onlyannotate clausal ... theCONCESSION relation. The trees in boxes i. andii. correspond to regular uses of CONCESSION whilethe trees in iii. and iv. correspond to its parenthet-ical occurrences. Using these trees along ... whichnormally occurs twice in non-parenthetical realiza-tions of the same input, but only once when thereis a parenthetical. (e.g., in (2a) the NP ’Eprex’ oc-curs twice, but only once in (2b)). In order...

Báo cáo khoa học: "An Integrated Platform for Computer-Aided Terminology" pdf

... multi -word terms, while tools for automatic the- saurus construction yield clusters of single -word terms. On the one hand, term extractors focus on multi -word terms for ontological motivations: ... relation As in the preceding case, there is a non-synonymous semantic relation between the two terms. One of them denotes a concept richer than the other one because it carries an additional ... syntactic constituents: a constituent in head-position (e.g. bronchial cell in the noun phrase cylindri- cal bronchial cell, and cell in the noun phrase bronchial cell), and a constituent...

Báo cáo khoa học: "An Interface for Rapid Natural Language Processing Development in UIMA" potx

... annotations or all annotations contained within the span of another annotation. getContainingAnnotations( Annotation a1 ) getNextClosest( Annotation a1 ) getPreviousClosest( Annotation a1 ... pattern. The Annotation Librarian pattern matching functionality allows the inclusion of an-notations, which provides an added level of power beyond regular expressions on text data only. 4 Retrieval ... regular expression. Advanced functionality allows developers to examine spatial relationships among annotations and perform an-notation pattern matching. In this demonstration, we present...

Báo cáo khoa học: "An Iterative Implicit Feedback Approach to Personalized Search" doc

... performance. Efficiency of PAIR The iteration statistic in evaluation indicates that the average iteration times of our approach is 22 before convergence on condition that we set the threshold θ ... approach can implement result re-ranking and query expansion simultaneously and collaboratively. Based on this approach, we develop a client-side personalized web search agent PAIR (Personalized ... related to our approach. Section 6 draws some conclusions of our work. 2 Iterative Implicit Feedback Approach We propose a HITS-like iterative approach for personalized search. HITS (Hyperlink-Induced...

Báo cáo khoa học: "An Interactive Domain Independent Approach to Robust Dialogue Interpretation" pot

... interaction. With three questions, the system achieves a 37% reduction in error rate over partial parsing alone. 4.2 Discourse Based Interaction In a final evaluation, the quality of questions based ... augments temporal expressions from context. Based on this information, it computes the constraints on the speaker's schedule expressed by each sentence. Each constraint associates a sta- ... tions. In particular, only the first hypothesis contains enough information for the discourse proces- sor to compute any scheduling constraints since it contains both a temporal expression...

Xem thêm