Mounir Bechchi

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In usual retrieval processes within large databases, the user formulates a first basic (broad) query to target and filter data and next, she starts browsing the answer looking for precise information. We then propose to perform an offline hierarchical grid-based clustering of the data set in order to quickly provide the user with concise, useful and(More)
Database systems are increasingly used for interactive and exploratory data retrieval. In such retrievals, users’ queries often result in too many answers, so users waste significant time and efforts sifting and sorting through these answers to find the relevant ones. This chapter first reviews and discusses several research efforts that have attempted to(More)
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