948 search results - page 16 / 190 » The Query Answering System PRODICOS |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
ICEBE
2005
IEEE
14 years 1 months ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
Privacy-preserving query-answering systems answer queries while provably guaranteeing that sensitive information is kept secret. One very attractive notion of privacy is perfect p...
GLOBE
2009
Springer
14 years 10 days ago
2009
Springer
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
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...