617 search results - page 55 / 124 » Semantic queries in databases: problems and challenges |
PODS
2008
ACM
14 years 9 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
ICFP
2010
ACM
13 years 10 months ago
2010
ACM
Bidirectional transformations provide a novel mechanism for synchronizing and maintaining the consistency of information between input and output. Despite many promising results o...
ICDE
2011
IEEE
13 years 19 days ago
2011
IEEE
—An important facility to aid keyword search on XML data is suggesting alternative queries when user queries contain typographical errors. Query suggestion thus can improve users...
WISE
2006
Springer
14 years 2 months ago
2006
Springer
Maintaining a semantic cache of materialized XPath views inside or outside the database, is a novel, feasible and efficient approach to accelerate XML query processing. However, th...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Context awareness is one of the important fields in ubiquitous computing. Smart Home, a specific instance of ubiquitous computing, provides every family with opportunities to enjo...