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Results Overlap Among the GYM (Google-Yahoo-MSN Live) Search Engines

Efthimis N. Efthimiadis, Evan Luckey and W.M. Eichbaum

(Submission #118)


Using a random sample of 65,000 queries from the AOL query log data set, searches were conducted in the three major search engines (Google-Yahoo-MSN Live) using the search engine APIs. Each query was passed to the search engine and the first 10 results were stored along with an search engine identifier. Before comparing the sets we developed processes to reliably compare the individual pairs of URLs in the sets. We considered three approached to this issue: domain matches, exact matches or relative matches. The results in the result set were evaluated by considering them as a (a) ranked list, and (b) unordered list. To evaluate the similarity of the result sets pairwise comparisons of the three search engines were conducted. Analysis is in progress and the complete range of results will be presented at the AMí09 in November.

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