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200
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VLDB
2001
ACM
146views Database» more  VLDB 2001»
16 years 1 months ago
Combining multi-visual features for efficient indexing in a large image database
Abstract. The optimized distance-based access methods currently available for multidimensional indexing in multimedia databases have been developed based on two major assumptions: ...
Anne H. H. Ngu, Quan Z. Sheng, Du Q. Huynh, Ron Le...
179
Voted
VLDB
2004
ACM
152views Database» more  VLDB 2004»
16 years 1 months ago
Balancing energy efficiency and quality of aggregate data in sensor networks
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...
Mohamed A. Sharaf, Jonathan Beaver, Alexandros Lab...
194
Voted
SIGMOD
2008
ACM
182views Database» more  SIGMOD 2008»
16 years 1 months ago
Multi-tenant databases for software as a service: schema-mapping techniques
In the implementation of hosted business services, multiple tenants are often consolidated into the same database to reduce total cost of ownership. Common practice is to map mult...
Stefan Aulbach, Torsten Grust, Dean Jacobs, Alfons...
147
Voted
SIGMOD
2004
ACM
147views Database» more  SIGMOD 2004»
16 years 1 months ago
Robust Query Processing through Progressive Optimization
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
Volker Markl, Vijayshankar Raman, David E. Simmen,...
131
Voted
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
16 years 1 months ago
Incremental and Effective Data Summarization for Dynamic Hierarchical Clustering
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
Corrine Cheng, Jörg Sander, Samer Nassar