514 search results - page 68 / 103 » Answer Sets for Consistent Query Answering in Inconsistent D... |
BMCBI
2007
13 years 11 months ago
2007
Background: High-throughput molecular biology provides new data at an incredible rate, so that the increase in the size of biological databanks is enormous and very rapid. This sc...
VLDB
2010
ACM
13 years 9 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
SIGMOD
2006
ACM
14 years 11 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
DEXA
2008
Springer
14 years 21 days ago
2008
Springer
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
SIGMOD
2008
ACM
14 years 11 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...