MetaCrystal visualizes the degree of overlap between the top results returned by different search engines. Linked overview tools support rapid exploration, facilitate advanced fil...
We present a solution to the problem of regular expression searching on compressed text. The format we choose is the Ziv-Lempel family, speci cally the LZ78 and LZW variants. Give...
Optimization problems are more and more complex and their resource requirements are ever increasing. Although metaheuristics allow to significantly reduce the computational complex...
Web search personalization aims to adapt search results to a user based on his tastes, interests and needs. The way in which such personal preferences are captured, modeled and exp...
With web image search engines, we face a situation where the results are very noisy, and when we ask for a specific object, we are not ensured that this object is contained in all...