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 deci- sion procedure for lexical ambiguity resolutio...

Ngày tải lên: 17/03/2014, 09:20

... 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...

Ngày tải lên: 21/02/2014, 20:20

... statistics for the individual lexical semantic features discussed above are presented in Table 1 and Table 2. Lexical semantic informa- tion was collected for 2535 words (bases and derived forms). ... characteristics of lan- guage input and lexical semantic information: sur- face characteristics serve as cues for lexical seman- tics of the words. For example, if a verb...

Ngày tải lên: 17/03/2014, 09:20

... of the Association for Computational Linguistics, pages 316–324, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Discriminative 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 for...

Ngày tải lên: 20/02/2014, 04:20

... 2009. c 2009 Association for Computational Linguistics EM Works for Pronoun Anaphora Resolution Eugene Charniak and Micha Elsner Brown Laboratory for Linguistic Information Processing (BLLIP) Brown ... 1998). The data annotated for the Ge research is used here for test- ing and development data. Also, there are many overlaps between their formulation of the problem and ours. For...

Ngày tải lên: 22/02/2014, 02:20

... increase in ambiguity for significantly higher accu- racy. 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...

Ngày tải lên: 08/03/2014, 21:20

... 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. that there ... 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...

Ngày tải lên: 17/03/2014, 00:20

... 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 p...

Ngày tải lên: 23/03/2014, 19:20

... 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...

Ngày tải lên: 08/03/2014, 21:20

... of infor- marion in lexical entries. 2 REPRESENTATION OF LEXICAL INFORMATION The formalism of PATR offers two possible means of representing lexical informa- tion. 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 bas...

Ngày tải lên: 18/03/2014, 02:20