Treffer: An information retrieval test-bed on the CM-5
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Fortunately for the field of information retrieval, a number of recent developments have led to new challenges for the field. In essence, the challenge we are facing is to design a system which delivers high- precision-recall figures on large databses of long, complex documents. Furhtermore, the system must be compatible with existant boolean retrieval methods, and it must be possible to use this system in a distributed database in a manner. The specific steps reported at this point consist of the following: 1- A database architecture which is suitable for use on large collections of structured documents, which supports both bas-line IR and boolean retrieval methods; 2- An in-memory implementation of this architecture on a massively parallel computer (the Connection Machine model CM-5), which is used as test-bed; 3- Precision-Recall figures for this test-bed apllied to the Tipster collection, as part of TREC.