When the available information is imperfect, it is often desirable to represent it in the database, so that it can be used to answer queries of interest as much as possible. The da...
Major search engines currently use the history of a user's actions (e.g., queries, clicks) to personalize search results. In this paper, we present a new personalized service...
In data integration systems there is a problem of answering queries through a target schema, given a set of mappings between source schemas and the target schema, and given that th...
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
Peer-to-peer systems are mainly used for object sharing although they can provide the infrastructure for many other applications. In this paper, we extend the idea of object shari...
Ozgur D. Sahin, Abhishek Gupta, Divyakant Agrawal,...