Abstract. The focus of this paper is approaches to measuring similarity for application in content-based query evaluation. Rather than only comparing at the level of words, the iss...
In many business and consumer applications, queries have cardinality constraints. However, current database systems provide minimal support for cardinality assurance. Consequently...
Manasi Vartak, Venkatesh Raghavan, Elke A. Rundens...
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
The vision of the Semantic Web is to give data on the web a welldefined meaning by representing it in RDF and linking it to commonly accepted ontologies. Most formatted data today...
The concepts of bipolar queries and queries with preferences are studied. Various interpretations of the former, recently defined by Dubois and Prade, are discussed. The latter w...