Peers in peer-to-peer file-sharing systems use conjunctive queries as a way of controlling query cost in the absence of information about the behavior of other peers. Conjunctive ...
It is demonstrated how to provide a peer-to-peer system that supports an expressive query language while maintaining efficient distribution over a wide-area network. The key is to...
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
Abstract. With the current method of query formation, a Question Answering system retrieves a set of documents that are similar to a question, while what is mostly required is a se...
This work introduces a new query inference model that can access data and communicate with a teacher by asking finitely many boolean queries in a language L. In this model the pa...