321 search results - page 4 / 65 » A Blackboard Architecture for Query Optimization in Object B... |
DMDW
2000
14 years 11 months ago
2000
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
ICEIS
2003
IEEE
15 years 2 months ago
2003
IEEE
Abstract: The work described in this article arises from two needs. First, there is still a need for providing more sophisticated database systems than just relational ones. Second...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
In digital libraries image retrieval queries can be based on the similarity of objects, using several feature attributes like shape, texture, color or text. Such multi-feature que...
HICSS
2000
IEEE
15 years 2 months ago
2000
IEEE
This paper describes an architecture for building distributed information systems from existing information resources, based on software agent and distributed object technologies....
EDBT
2011
ACM
14 years 1 months ago
2011
ACM
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...