396 search results - page 32 / 80 » Semantic Optimization of Preference Queries |
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
The emergence of Web 2.0 has resulted in a huge amount of heterogeneous data that are contributed by a large number of users, engendering new challenges for data management and qu...
ECIR
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
JAPLL
2010
13 years 6 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
FLAIRS
2006
13 years 9 months ago
2006
The continuous development of the Internet has resulted in an exponential increase in the amount of available information. A popular way to access this information is by submittin...
ER
2007
Springer
14 years 1 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...