Báo cáo khoa học: "DECISION LISTS FOR LEXICAL AMBIGUITY RESOLUTION" pdf

... Decision Lists for General Classes of Ambiguity For many similar types of ambiguities, such as the Span- ish subjunctive/future distinction between -ara and ard, the decision lists for individual ... over 90% for even the most difficult ambiguities. INTRODUCTION This paper presents a general-purpose statistical decision procedure for lexical ambiguity resolution based on decision lists ... DECISION LISTS FOR LEXICAL AMBIGUITY RESOLUTION: Application to Accent Restoration in Spanish and French David Yarowsky* Department of Computer and Information Science University...

Tài liệu Báo cáo khoa học: "Chronometric Studies of Lexical Ambiguity Resolution " doc

... Other types of contextual information can be brought to bear on ambiguity resolution as well. For example, [4] is disamblguated by exploiting ~ass noun/count noun information; [5] might be disamblguated ... paper, we review the results of six experiments which form the basis of a model of ambiguity resolution in context, and at the same account for some of the contradictions in the existing literature. ... reading before It is encountered through a non-directed, automatic process. In this way, they can alter the order in which readings are evaluated. These effects are lntra -lexical (Forster,...

Báo cáo khoa học: "Morphological Cues for Lexical Semantics" pot

... statistics for the individual lexical semantic features discussed above are presented in Table 1 and Table 2. Lexical semantic information was collected for 2535 words (bases and derived forms). ... characteristics of language input and lexical semantic information: surface characteristics serve as cues for lexical semantics of the words. For example, if a verb is seen with a noun ... possibility of using derivational affixes as surface cues for lexical semantics. 26 3 Morphological Cues for Lexical Semantic Information Many derivational affixes only apply to bases with...

Tài liệu Báo cáo khoa học: "Discriminative Pruning for Discriminative ITG Alignment" pdf

... of the Association for Computational Linguistics, pages 316–324,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational LinguisticsDiscriminative Pruning for Discriminative ... ITG. For instance, there are two parses for three consecutive word pairs, viz. [/ [/ /] ] and [[/ /] /] . The problem of re-dundancy is fixed by adopting ITG normal form. ... normal form is the very first key to speed-ing up ITG. The ITG normal form grammar as used in this paper is described in Appendix A. 3 Basics of ITG Parsing Based on the rules in normal form,...

Tài liệu Báo cáo khoa học: "EM Works for Pronoun Anaphora Resolution" docx

... 2009.c2009 Association for Computational LinguisticsEM Works for Pronoun Anaphora ResolutionEugene Charniak and Micha ElsnerBrown Laboratory for Linguistic Information Processing (BLLIP)Brown ... 1998). The dataannotated for the Ge research is used here for test-ing and development data. Also, there are manyoverlaps between their formulation of the problemand ours. For one thing, their ... been made publically available for downloading.1 IntroductionWe present a new system for resolving (per-sonal) pronoun anaphora1. We believe it is ofinterest for two reasons. First, virtually...

Báo cáo khoa học: " New Models for Improving Supertag Disambiguation" pdf

... increase in ambiguity for significantly higher accuracy. Different class based methods are discussed, and the tradeoff between accuracy and ambiguity is demonstrated. 7Again, for the class ... Supertagging has been found useful for a num- ber of applications. For instance, it can be used to speed up conventional chart parsers be- cause it reduces the ambiguity which a parser must face, ... supertagging may be employed in information retrieval. Furthermore, given a sentence aligned parallel corpus of two languages and al- most parse information for the sentences of one of the...

Báo cáo khoa học: "Hard Constraints for Grammatical Function Labelling" pdf

... only limited and local context information for learning and prediction, they often fail to en-force simple yet important global linguistic con-straints that exist for most languages, e. g. thatthere ... grandmother’s head node• the case features for noun phrases• the category for PP objects• the lemma for PP objects (if terminal node)These features are also computed for the headof the phrase, determined ... will perform better when pre-sented with unseen data (e.g. from parser output) for whichno hand-annotated morphological information is available.6See lpsolve (http://lpsolve.sourceforge.net/)...

Báo cáo khoa học: "Corpus representativeness for syntactic information acquisition" pdf

... fact that the information encoded for these does not cover very specific syntactic contexts as those found in technical texts— make high informative grammars not suitable for real applications. ... be more informative for real parsing than a general corpus. 1 Introduction The coverage of the computational lexicon used in deep Natural Language Processing (NLP) is crucial for parsing ... acquisition of computational lexicon information from corpus. The present paper reports the ongoing research on corpus representativeness. For the task of inducing information out of text, we wanted...

Báo cáo khoa học: " The Development of Lexical Resources for Information Extraction from Text Combining Word Net and Dewey Decimal Classification" potx

... lexicon (foreground lexicon) for IE applications by using both a small corpus and WordNet. 2 Developing IE Lexical Resources Lexical information in IE can be divided into three sources of information ... cope with lexical ambiguity in WordNet by combining its information with another source of information: the Dewey Decimal Classification (DDC) (Dewey, 1989). 3 Reducing the lexical ambiguity ... field of Information Ex- traction from text. Generic resources (e.g., lexical databases) are promising for reducing the cost of specific lexica defi- nition, but they introduce lexical ambi-...

Báo cáo khoa học: "DATR AS A LEXICAL COMPONENT FOR PATR" pot

... of infor- marion in lexical entries. 2 REPRESENTATION OF LEXICAL INFORMATION The formalism of PATR offers two possible means of representing lexical information. First of all, the information ... be defined. For example, the lexical entry for frog would be FROG:<>==NOUN, where the noun-specific information is inherited from NOUN. This third approach forms the base for our current ... networks are well-suited for the purpose. In the following section we give an overview of one such network formalism which was primarily designed for representing lexical information. We assume...

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