1179 search results - page 97 / 236 » Query Containment for Data Integration Systems |
COMAD
2008
13 years 10 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
SAC
2011
ACM
12 years 11 months ago
2011
ACM
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
KDD
1998
ACM
14 years 1 months ago
1998
ACM
Database integration of mining is becoming increasingly important with tile installation of larger and larger data warehouses built around relational database technology. Most of ...
VLDB
2000
ACM
14 years 15 days ago
2000
ACM
Multidimensional access methods have shown high potential for significant performance improvements in various application domains. However, only few approaches have made their way...
DOLAP
2004
ACM
14 years 2 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...