726 search results - page 58 / 146 » Extended Query Answering Using Integrity Rules |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
BMCBI
2007
13 years 8 months ago
2007
Background: Neuroscientists often need to access a wide range of data sets distributed over the Internet. These data sets, however, are typically neither integrated nor interopera...
PADL
2009
Springer
14 years 9 months ago
2009
Springer
Abstract. For practical applications, the use of top-down query-driven proofprocedures is essential for an efficient use and computation of answers using Logic Programs as knowledg...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
IMECS
2007
13 years 10 months ago
2007
—The research community and the IT industry have invested significant effort in fighting spam emails. There are many different approaches, ranging from white listing, black listi...