1059 search results - page 163 / 212 » Improving Semantic Query Answering |
ENTCS
2002
13 years 10 months ago
2002
We present a declarative debugger for lazy functional logic programs with polymorphic type discipline. Whenever a computed answer is considered wrong by the user (error symptom), ...
JCDL
2003
ACM
14 years 3 months ago
2003
ACM
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
PODS
2008
ACM
14 years 10 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
CIKM
2007
Springer
14 years 4 months ago
2007
Springer
Heterogeneous entities or objects are very common and are usually interrelated with each other in many scenarios. For example, typical Web search activities involve multiple types...
SIGMOD
1998
ACM
14 years 2 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...