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Abstract : |
This report describes the adhoc experiments performed by the GE/Rutgers/SICS/SU/Conexor team in the context of TREC-8. The research efforts went in four directions: 1. As in previous years, we performed a full linguistic analysis of the entire corpus, and used the results of the analysis to provide index terms on a higher level of abstraction than can be provided by stems alone. 2. We made use of two different query expansion techniques, one automatic and one manual, both developed for TREC-8. 3. The various analysis models were combined using a stream model architecture, where each stream represents an alternative text indexing method, and the stream's various overlapping knowledge was merged using a new merging algorithm derived from first principles. 4. The entire text was analyzed for various stylistic items. Due to the distributed approach, this years ? research efforts partly canceled out each other. New experiments in every step of the process did not result in an overwhelming overall result. We are able to determine that the manual query expansion technique developed at General Electric performed very well., |
