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Document Type : Latin Dissertation
Language of Document : English
Record Number : 151731
Doc. No : ET23523
Main Entry : Roman Yangxber
Title Proper : Scenario Customization
Note : This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract : Information E*xtraction (IE) is an emerging NLP technology, whose function is toprocess unstructured, natural Ianguage text, to locate specific pieces of information,or facts, in the text, and to use these facts to fill a database. IE systems today arecommonly based on pattern matching. The core IE engine uses a cascade of setsof patterns of increasing linguistic complexity. Each pattern consists of a regularexpression and an associated mapping from syntactic to logical form. The patternsets are customized for each new topic, as defined by the set of facts to be extracted.Construction of a pattern base for a new topic is recognized as a time-consumingand- expensive process-a principal roadblock to wider use of IE technology in thelarge. An effective pattern base must be precise and have wide coverage. This thesisaddresses the portability problem in two stages. First, we introduce a set of toolsfor building patterns manually from examples. To adapt the IE system to a new.......-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject : Electericl tess
: برق
electronic file name : TL46764.pdf
Title and statement of responsibility and : Scenario Customization [Thesis]
 
 
 
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