726 search results - page 2 / 146 » Extended Query Answering Using Integrity Rules |
IJCAI
2003
13 years 7 months ago
2003
Information integration systems provide a uniform query interface to a set of sources. One of the key challenges for an information integration system is to provide maximally comp...
RR
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. This essay describes fuzzy CARIN, a knowledge representation language combining fuzzy description logics with Horn rules. Fuzzy CARIN integrates the management of fuzzy l...
NAACL
2007
13 years 7 months ago
2007
This paper addresses the task of providing extended responses to questions regarding specialized topics. This task is an amalgam of information retrieval, topical summarization, a...
ADBIS
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...