373 search results - page 24 / 75 » Querying Priced Information in Databases: The Conjunctive Ca... |
81
Voted
PODS
1997
ACM
15 years 1 months ago
1997
ACM
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
DOOD
1995
Springer
15 years 1 months ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
EOR
2006
14 years 9 months ago
2006
The success of a company increasingly depends on timely information (internal or external) being available to the right person at the right time for crucial managerial decision-ma...
164
click to vote
ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
ISMVL
2000
IEEE
15 years 2 months ago
2000
IEEE
Signed conjunctive normal form (signed CNF) is a classical conjunctive clause form using a generalized notion of literal, called signed atom. A signed atom is an expression of the...