31 search results - page 2 / 7 » Completing Queries: Rewriting of Incomplete Web Queries Unde... |
VLDB
2004
ACM
14 years 6 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
PVLDB
2010
13 years 4 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
ER
2005
Springer
13 years 11 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
SIGMOD
2006
ACM
14 years 6 months ago
2006
ACM
Integration systems typically support only a restricted set of queries over the schema they export. The reason is that the participating information sources contribute limited con...
KI
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. We aim to demonstrate that automated deduction techniques, in particular those following the model computation paradigm, are very well suited for database schema/query re...