1238 search results - page 30 / 248 » View-based query containment |
74
Voted
SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
An important application of semantic web technology is recognizing human-defined concepts in text. Query transformation is a strategy often used in search engines to derive querie...
80
Voted
CIKM
2006
Springer
15 years 1 months ago
2006
Springer
This work addresses two common problems in search, frequently occurring with underspecified user queries: the top-ranked results for such queries may not contain documents relevan...
ICDT
2001
ACM
15 years 2 months ago
2001
ACM
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
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...
150
click to vote
ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...