654 search results - page 27 / 131 » Complexity of Answering Queries Using Materialized Views |
DAGSTUHL
2003
13 years 9 months ago
2003
In this chapter, we summarize the research on querying inconsistent databases we have been conducting over the last five years. The formal framework we have used is based on two c...
TDM
2004
13 years 9 months ago
2004
This paper examines the use of XML for modern extractionbased question answering (QA). We feel that the XML community has taken too narrow a view of structured retrieval, and that...
VLDB
2003
ACM
14 years 8 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
ICLP
2009
Springer
14 years 3 months ago
2009
Springer
We consider multiagent systems situated in unpredictable environments. Agents viewed as abductive logic programs with abducibles being literals the agent could sense or receive fro...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...