U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Computerized cross-language document retrieval using latent semantic indexing

Patent 5301109 Issued on April 5, 1994. Estimated Expiration Date: Icon_subject July 17, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Patent #: 4839853
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Patent #: 4864503
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Inventor: Tolin

Sentence translator using a thesaurus and a concept-organized co- occurrence dictionary to select from a plurality of equivalent target words
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Method for determining the semantic relatedness of lexical items in a text Patent #: 5128865
Issued on: 07/07/1992
Inventor: Sadler

Inventors

Assignee

Application

No. 734291 filed on 07/17/1991

US Classes:

704/9, Natural language704/2Translation machine

Examiners

Primary: Envall, Roy N. Jr.
Assistant: Chung, Xuong

Attorney, Agent or Firm

International Class

G06F 015/40

Abstract

A methodology for retrieving textual data objects in a multiplicity of languages is disclosed. The data objects are treated in the statistical domain by presuming that there is an underlying, latent semantic structure in the usage of words in each language under consideration. Estimates to this latent structure are utilized to represent and retrieve objects. A user query is recouched in the new statistical domain and then processed in the computer system to extract the underlying meaning to respond to the query.

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