777 search results - page 5 / 156 » Optimization of Relational Preference Queries |
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
Due to the flexible structures of SQL, no general approach works efficiently for all kinds of queries. Some special kinds of queries can be further optimized for better performa...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...
ECTEL
2007
Springer
14 years 1 months ago
2007
Springer
While the growing number of learning resources increases the choice for learners, it also makes it more and more difficult to find suitable courses. Thus, improved search capabili...
DEXAW
2007
IEEE
14 years 1 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...