950 search results - page 72 / 190 » Evaluation over thousands of queries |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
DASFAA
2008
IEEE
14 years 4 months ago
2008
IEEE
State-of-the-art Peer-to-Peer Information Retrieval (P2P IR) systems suffer from their lack of response time guarantee especially with scale. To address this issue, a number of tec...
DASFAA
2004
IEEE
14 years 1 months ago
2004
IEEE
Users of database applications, especially in the e-commerce domain, often resort to exploratory "trial-and-error" queries since the underlying data space is huge and unf...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...