2228 search results - page 311 / 446 » A System for Semantic Query Optimization |
CSCW
2012
ACM
12 years 4 months ago
2012
ACM
Two important performance metrics in collaborative systems are local and remote response times. Previous analytical and simulation work has shown that these response times depend ...
CIDR
2007
13 years 9 months ago
2007
This paper gives an overview of Demaq, an XML message processing system operating on the foundation of transactional XML message queues. We focus on the syntax and semantics of it...
VLDB
1994
ACM
14 years 10 days ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
APWEB
2004
Springer
14 years 1 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
KDD
1994
ACM
14 years 10 days ago
1994
ACM
Oneof the mainobstacles in applying data mining techniques to large, real-world databasesis the lack of efficient data management.In this paper, wepresent the design and implement...