1125 search results - page 37 / 225 » Query Answering in Inconsistent Databases |
PODS
1998
ACM
13 years 12 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
TKDE
2008
13 years 7 months ago
2008
The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous wo...
TIME
2007
IEEE
14 years 2 months ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...
DBISP2P
2005
Springer
14 years 1 months ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...