Báo cáo khoa học: "Arabic Retrieval Revisited: Morphological Hole Filling" pdf

Báo cáo khoa học: "Arabic Retrieval Revisited: Morphological Hole Filling" pdf

Báo cáo khoa học: "Arabic Retrieval Revisited: Morphological Hole Filling" pdf

... Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Arabic Retrieval Revisited: Morphological Hole Filling Kareem Darwish, Ahmed M. Ali Qatar Computing Research Institute ... kdarwish@qf.org.qa, amali@qf.org.qa Abstract Due to Arabic’s morphological complexity, Arabic retrieval benefits greatly from morphological analysis – particularly stemming. Howe...
Ngày tải lên : 16/03/2014, 20:20
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Tài liệu Báo cáo khoa học: "Arabic Morphological Tagging, Diacritization, and Lemmatization Using Lexeme Models and Feature Ranking" pdf

Tài liệu Báo cáo khoa học: "Arabic Morphological Tagging, Diacritization, and Lemmatization Using Lexeme Models and Feature Ranking" pdf

... Disambiguation Tasks for Arabic We define the task of morphological tagging as choosing an inflectional morphological tag (in this paper, the term morphological tagging” never refers to derivational ... tags, it is clear that morphological tagging cannot be con- strued as a simple classification task. Haji ˇ c (2000) is the first to use a dictionary as a source of possible morphological...
Ngày tải lên : 20/02/2014, 09:20
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Tài liệu Báo cáo khoa học: "Arabic Tokenization, Part-of-Speech Tagging and Morphological Disambiguation in One Fell Swoop" pdf

Tài liệu Báo cáo khoa học: "Arabic Tokenization, Part-of-Speech Tagging and Morphological Disambiguation in One Fell Swoop" pdf

... important issue in using morphological an- alyzers for morphological disambiguation is what happens to unanalyzed words, i.e., words that re- ceive no analysis from the morphological analyzer. These ... accuracy rates on all tasks in the high nineties. 1 Introduction Arabic is a morphologically complex language. 1 The morphological analysis of a word consists of determining the values...
Ngày tải lên : 20/02/2014, 15:20
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Tài liệu Báo cáo khoa học: "INFORMATION RETRIEVAL USING ROBUST NATURAL LANGUAGE PROCESSING" docx

Tài liệu Báo cáo khoa học: "INFORMATION RETRIEVAL USING ROBUST NATURAL LANGUAGE PROCESSING" docx

... to as 'conceptual retrieval& apos;. The conceptual retrieval systems, though quite effective, are not yet mature enough to be con- sidered in serious information retrieval applications, ... document retrieval is concerned. Techniques involving various forms of relevance feedback are usu- ally far more effective, but they require user's manual intervention in the retriev...
Ngày tải lên : 20/02/2014, 21:20
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Tài liệu Báo cáo khoa học: "Arabic Syntactic Trees: from Constituency to Dependency" ppt

Tài liệu Báo cáo khoa học: "Arabic Syntactic Trees: from Constituency to Dependency" ppt

... sentence in form of a dependency tree. The node set consists of all the tokens determined after morphological analysis of the text, and the sentence root node. The descrip- tion recovers the relation
Ngày tải lên : 22/02/2014, 02:20
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Báo cáo khoa học: "A Procedure for Morphological Encoding" doc

Báo cáo khoa học: "A Procedure for Morphological Encoding" doc

... [Mechanical Translation and Computational Linguistics, vol.9, no.1, March 1966] A Procedure for Morphological Encoding by P. H. Matthews, Department of Linguistic Science, University of Reading, ... categories TENSE a [Future and non-Future] and TENSE b [Past and non- Past] are postulated on morphological grounds: this proposal is tentative but may well have syntactic and seman...
Ngày tải lên : 07/03/2014, 18:20
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Báo cáo khoa học: "Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases" ppt

Báo cáo khoa học: "Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases" ppt

... establishes the accurate and effi- cient retrieval of relational concepts. This framework was applied to a text retrieval system for MEDLINE. Experiments on the retrieval of biomedical correlations ... for real-time in- teractive text retrieval systems, and accuracy is key for the motivation of semantic retrieval. That is, our motivation for employing semantic retrieval 1021 Query N...
Ngày tải lên : 17/03/2014, 04:20
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Báo cáo khoa học: "Phonological Constraints and Morphological Preprocessing for Grapheme-to-Phoneme Conversion" pot

Báo cáo khoa học: "Phonological Constraints and Morphological Preprocessing for Grapheme-to-Phoneme Conversion" pot

... im- provements to be gained from morphological pre- processing? 2) Must the morphological system be perfect or can performance improvements also be reached with relatively simple morphological com- ponents? ... to be expected from explicit morphological informa- tion depend on the g2p algorithm? To determine these factors, we compared morphological segmen- tations based on manual m...
Ngày tải lên : 17/03/2014, 04:20
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Báo cáo khoa học: "A Freely Available Morphological Analyzer, Disambiguator and Context Sensitive Lemmatizer for German" pdf

Báo cáo khoa học: "A Freely Available Morphological Analyzer, Disambiguator and Context Sensitive Lemmatizer for German" pdf

... improve this situation with the development of a new version of our morphological analyzer Morphy. In addition to the morphological analyzer, Morphy includes a statistical part-of-speech ... of full forms together with their morphological de- scriptions in text format. 1 The Morphology System Since German is a highly inflectional language, the morphological algorithms used i...
Ngày tải lên : 17/03/2014, 07:20
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