1039 search results - page 29 / 208 » Query reformulation with constraints |
ICDE
2012
IEEE
12 years 7 days ago
2012
IEEE
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
IJCAI
2003
13 years 11 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
SEMWEB
2010
Springer
13 years 7 months ago
2010
Springer
This paper presents our work on supporting evaluation of integrity constraint issues in semantic web instance data. We propose an alternative semantics for the ontology language, i...
SIAMJO
2000
13 years 9 months ago
2000
Mathematical programs with nonlinear complementarity constraints are reformulated using better-posed but nonsmooth constraints. We introduce a class of functions, parameterized by...