Báo cáo khoa học: "Coping With Derivation in a Morphological Component" pot

... Coping With Derivation in a Morphological Component * Harald Trost Austrian Research Institute for Artificial Intelligence Schottengasse 3, A- 1010 Wien Austria email: harald@ai.univie.ac.at ... nology,pages 143-153, Cancun, Mexico, 1991. [Daelemans et al., 1992] Walter Daelemans, Koen- raad De Smetd, and Gerald Gazdar. Inheritance in Natural Language Processing. Computational Linguistics ... This way morphophonology can be treated in a principled way while retaining the advantages of hierarchical lexica. 3 Two-Level Morphology For dealing with a compositional syntax and seman-...

Báo cáo khoa học: "Modeling with Structures in Statistical Machine Translation" pot

... tering algorithm (Wang, Lafferty, and Waibel, 1996) was used as the clustering operator. It takes constraints from parallel corpus. We also introduced an additional constraint in cluster- ing, ... to the case of using interlin- gua to represent cross-linguistic information in knowledge-based MT. To obtain structures that are common in both languages, a bilingual mutual information clus- ... sequences acquired by the phrasing operator that may not be common in multiple languages. The heuristics include: . . Average Translation Span: Given a phrase candidate, its average translation...

Báo cáo khoa học: "DEALING WITH CONJUNCTIONS IN A MACHINE TRANSLATION ENVIRONMENT" pptx

... DEALING WITH CONJUNCTIONS IN A MACHINE TRANSLATION ENVIRONMENT Xiumlng HUANG Institute of Linguistics Chinese Academy of Social Sciences BeiJing, China* ABSTRACT The paper presents an algorithm, ... well as ordinary cases of coordinate sentences, are taken into consideration. The work is a major development of (Huang 83)'s CASSEX package, which in turn was based on (Boguraev 79)'s ... of Gapping; instead, we take "Sue and Mary" as a coordinate NP. Nor is (13) a case of Gapping. (14), however, cannot be treated as phrasal coordination because the PP in the left...

Báo cáo khoa học: "DEALING WITH CONJUNCTIONS IN A MACHINE TRANSLATION ENVIRONMENT" docx

... DEALING WITH CONJUNCTIONS IN A MACHINE TRANSLATION ENVIRONMENT Xiuming Huang Institute of Linguistics chinese Academy of Social Sciences Beijing, China* ABSTRACT A set of rules, named ... brella))'; Ex2, 'The man with (AND (telescope) (umbrella with a handle))'; Ex3, '(AND (man with telescope) (woman))' and Exh, '(AND (man with te- lescope) (woman with ... sentences, which are of three types, namely clausal coordination, phrasal coordination, and gapping. With phrasal coordina- tion the structure with two NPs coordinated by "and" has been...

Tài liệu Báo cáo khoa học: "Coping with Extragrarnmaticality" potx

... Concluding Remarks Any practical natural language interface must be capable of dealing with a wide range of extragrammatical input. This paper has proposed a partial taxonomy of extragrammatica!!ties ... was uncertain, though the input as a whole was assumed to be grammatical. In that situation, there were clear advantages to starting with islands of relative lexicar certainty, and working ... pattern matching parsing in which partial pattern matching is allowed [16], through conceptual case frame instantiafion [12, 22], and through approaches involving multiple cooperating parsing...

Báo cáo khoa học: "COPING WITH DYNAMIC SYNTACTIC STRATEGIES: AN EXPERIMENTAL ENVIRONMENT FOR AN EXPERIMENTAL PARSER" pptx

... for instance, a psycholinguist may explore ideas on human parsing strategies, or a "language engineer" may find useful heuristics for parsing within a particular application. 1. Introduction ... a grammar for a certain natural language. In doing so, he/she can take advantage of rich and easy-to-use graphic interfaces that "know" about linguistics. Of course behind all this ... gaining insight in the cognitive aspects of language processing as well as for tailoring the behaviour of the processor when used with a particular (sub)language. In this way an attempt can...

Tài liệu Báo cáo khoa học: "Liars and Saviors in a Sentiment Annotated Corpus of Comments to Political debates" pdf

... opinions? Finally, approaches to opi-nion mining have implicitly assumed that the prob-lem at stake is a balanced classification problem, based on the general assumption that positive and negative ... identifying the most rele-vant challenges in mining opinions targeting media personalities, namely politicians, in comments posted by users to online news articles. We are interested in answering ... mentions are classifiable into syntactic-semantic categories; (vi) the opinionated sentences may be characterized according to their polarity 565and intensity; (vii) each opinionated sentence may...

Tài liệu Báo cáo khoa học: "Identifying Linguistic Structure in a Quantitative Analysis of Dialect Pronunciation" docx

... (Manning and Schütze,1999). Multidimensional scaling is data analysistechnique that provides a spatial display of the datarevealing relationships between the instances in thedata set (Davison, ... multidi-mensional scaling. The analyses showed that resultsobtained using aggregate analysis of word pronunci-ations mostly conform with the traditional phoneticclassiﬁcation of Bulgarian dialects as ... pre-sented in this paper will be described in more detail.2.1 Aggregate Analysis of BulgarianDialectometry produces aggregate analyses of thedialect variations and has been done for differentlanguages....

Tài liệu Báo cáo khoa học: "Mapping Lexical Entries in a Verbs Database to WordNet Senses" doc

... (WSD) in several ways. First, thewords to be disambiguated are entries in a lexicaldatabase, not tokens in a text corpus. Second, wetake an “all-words”rather than a “lexical-sample”approach ... Sim-pleProd, and SimpleWtdSumMajSgl+Aggr: Majority vote of MajSim-pleSgl and MajAggrMajPair+Aggr: Majority vote of MajSim-plePair and MajAggrTable 2 gives recall and precision measures forall variations ... variations at their optimal votethresholds. In the AutoMap+ variation, Grid and Levin+probabilities abstain from voting when their val-ues are zero (a common occurrence, becauseof data sparsity...

Tài liệu Báo cáo khoa học: "Multiple Default Inheritance in a Unification-Based" pdf

... classes, 4 and any in- formation they contain is standardly specific to an individual word; lexical and non-lexical classes dif- fer in that analysis and generation take only the former as ... Equations within a variant set are absolute constraints, in contrast to those in the main set; if they conflict with informs- tion in a more specific class, failure of unification occurs in ... following simplified example illustrates the form and interaction of class definitions. In equs. tions, unification variables have initial capitals, and negation of constants is indicated by '...

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