:Stephen Soderland, David Fisher, Jonathan Aseltine, Wendy Lehnert, CRYSTAL: Introducing a Conceptual Dictionary, In Proceeding of the Fourteenth International Joint Home/Search Document Not in Database Summary Related Articles |
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Models for Information Extraction - Peng (Correct)
....generated in the rst stage. The sentence analyzer activates all the patterns that are applicable in each sentence. The system then compute relevance statistics for each pattern and use a rank function to rank the patterns. In the end, we only keep the top patterns for dictionary. 2. 3 CRYSTAL[1,9,10] CRYSTAL(Soderland 1995) is the second system to learn text extraction dictionary. CRYSTAL is an inductive learning system, which is from speci c to general. The goal of this methodology is merging speci c rules to general rules to minimize the rule set. CRYSTAL initializes the dictionary with a ....
:Stephen Soderland, David Fisher, Jonathan Aseltine, Wendy Lehnert, CRYSTAL: Introducing a Conceptual Dictionary, In Proceeding of the Fourteenth International Joint
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