Abstract
The Project German Indexing and Retrieval Test Data base (GIRT) provides a framework for the comparison of indexing and retrieval systems using German scientific information which is based on the social sciences. The aims and methods of the test environment are described. Some results of the pre-test, which was carried out with the retrieval systems Messenger and freeWAISsf, are shown and the consequences are discussed. The results are shown with respect to the precision and recall values, to the intersection of hits and the distribution of the hits on both systems, to the transformation of the queries into searches by the test persons.
Highlights
The Project German Indexing and Retrieval Test Data base (GIRT) provides a framework for a comprehensive comparison of indexing and retrieval systems
On the part of retrieval the superiority of quantitative statistical systems over purely Boolean methods is accepted by common consent inside the information science community
This is approved by several tests, specially in the context of TREC (Text Retrieval Conference): Experiments have shown that vector space models and probabilistic models have better results than exact match models
Summary
The Project German Indexing and Retrieval Test Data base (GIRT) provides a framework for a comprehensive comparison of indexing and retrieval systems. Including intelligent indexing and software ergonomics the power of the systems can be judged in contrast to customary systems.
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