The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
In this work we try to bridge the gap often encountered by researchers who find themselves with few or no labeled examples from their desired target domain, yet still have access ...
This paper describes a decentralized peer-to-peer model for building a Web crawler. Most of the current systems use a centralized client-server model, in which the crawl is done by...
Despite many years of ubiquitous computing (ubicomp) middleware research, deployment of such systems has not been widespread. We suggest this is in part because we lack a shared mo...
Research efforts have been directed toward the improvement of privacy protecting technology by incorporating privacy protection into database systems. Purpose acts as a central co...