Package dragon.nlp.tool.xtract

An implementation of Xtract which is for collocation extraction.

See:
          Description

Interface Summary
WordPairExpand Title:
WordPairGenerator Title:
WordPairIndexer Title:
 

Class Summary
EngWordPairExpand Expanding word pair (not necessary consecutive) to noun phrase
EngWordPairGenerator Generating word pairs (for noun phrases) from a given sentence according to max span range
EngWordPairIndexer Indexer for word pair
SentenceBase Sentence base class provides functions of adding and saving sententce to matrix
SimpleXtract Simple Xtractor for extracting phrases from text
WordPairFilter Filtering word pairs that is not satisfied with Xtract statistics
WordPairStat Couting word pair statistics
WordPairStatList List of word pairs with statistical information
 

Package dragon.nlp.tool.xtract Description

An implementation of Xtract which is for collocation extraction.

Package Specification

See the below paper for the details of the algorithm.

Smadja, F., ˇ°Retrieving collocations from text: Xtractˇ±, Computational Linguistics, 1993, 19(1), pp. 143--177