315 search results - page 50 / 63 » An Overview of Query Optimization in Relational Systems |
141
Voted
EDBT
2010
ACM
15 years 10 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
111
Voted
PVLDB
2008
15 years 3 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
131
Voted
ICWE
2009
Springer
15 years 10 months ago
2009
Springer
DeXIN (Distributed extended XQuery for data INtegration) integrates multiple, heterogeneous, highly distributed and rapidly changing web data sources in different formats, e.g. XML...
137
Voted
WWW
2008
ACM
16 years 4 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
141
Voted
EDBT
2008
ACM
16 years 3 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...