Multi-language document search and retrieval system

Details Multi-language document search and retrieval system Multi-language document search and retrieval system

2008-05-06

2008-05-06

McFadden, Susan (Department: 2626)

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

C715S252000

Reexamination Certificate

active

07369987

ABSTRACT:
A multi-lingual indexing and search system is presented that performs tokenization and stemming in a manner which is independent of whether index entries and search terms appear as words in a dictionary. The system includes a tokenizer that separates a string of text into individual word tokens, and eliminates predetermined types of tokens from further processing. The system also includes a stemmer that reduces words to grammatical stems by removing known word-endings associated with the various languages to be supported. The stemmer removes known word endings from the word tokens without any effort to guarantee that the remaining stem is contained in a dictionary. In an embodiment, the stemmer only removes those word endings which are associated with nouns. The system further includes an indexer that stores the stems in an index.

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Wechsier, Martin et al., “Multi-Language Text Indexing for Internet Retrieval”, Swiss Federal Institute of Techology, 1997, 16 pages.

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