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Extensible Controlled Language for Advanced Information Retrieval

Principal Investigator:  Dayne Freitag

Mailing address:
AI Center
SRI International
333 Ravenswood Avenue
Menlo Park, CA 94025-3493

AIC Program:  Advanced Analytics

   Project Description

The ECLAIR project sought to facilitate the collaborative management of knowledge assets by providing an extensible controlled English for the annotation of source material. Using ECLAIR, analysts could describe the contents of source documents in simple sentences, the semantic interpretation of which was used for sophisticated meaning-based retrieval. The ECLAIR interface allowed analysts to highlight passages in an instrumented browser, type in a simple sentence (e.g., "Russia is shipping missiles to Cuba"), and automatically gain access to semantically related source material. The key trick was the reduction of these annotations to semantic triples, which were used to index source documents. Confronted with this simple sentence, ECLAIR would automatically make available other documents involving the shipment of weapons, Russia shipping something to Cuba, Cuba receiving shipments, etc. In other words, the simple combination of ontology-driven abstraction and document indexing afforded flexible access to highly pertinent information. In a way, ECLAIR can be viewed as a highly sophisticated resource tagging framework.

   Personnel

Name Title E-mail
Freitag, Dayne Program Director
Hartnett, Daragh P Senior Software Engineer
Sasseen, Robert V Senior Software Engineer

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