251 search results - page 6 / 51 » Rewriting Aggregate Queries using Description Logic |
LPAR
2000
Springer
13 years 11 months ago
2000
Springer
AAAI
2000
13 years 9 months ago
2000
PDIS
1996
IEEE
13 years 12 months ago
1996
IEEE
Users today are struggling to integrate a broad range of information sources providing di erent levels of query capabilities. Currently, data sources with di erent and limitedcapa...
SIGMOD
2000
ACM
14 years 3 days ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
DLOG
2003
13 years 9 months ago
2003
This chapter considers, on the one hand, extensions of Description Logics by features not available in the basic framework, but considered important for using Description Logics a...