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» Effective and Efficient Indexing for Large Video Databases
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SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
16 years 6 months ago
Scalable join processing on very large RDF graphs
With the proliferation of the RDF data format, engines for RDF query processing are faced with very large graphs that contain hundreds of millions of RDF triples. This paper addre...
Thomas Neumann, Gerhard Weikum
DAGSTUHL
2006
15 years 7 months ago
Efficient multi-step query processing for EMD-based similarity
Abstract. Similarity search in large multimedia databases requires efficient query processing based on suitable similarity models. Similarity models consist of a feature extraction...
Ira Assent, Thomas Seidl
GIS
2003
ACM
16 years 7 months ago
An efficient r-tree implementation over flash-memory storage systems
For many applications with spatial data management such as Geographic Information Systems (GIS), block-oriented access over flash memory could introduce a significant number of no...
Chin-Hsien Wu, Li-Pin Chang, Tei-Wei Kuo
KDD
2007
ACM
165views Data Mining» more  KDD 2007»
16 years 6 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
264
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ICDE
1999
IEEE
94views Database» more  ICDE 1999»
16 years 7 months ago
Scalable Trigger Processing
Current database trigger systems have extremely limited scalability. This paper proposes a way to develop a truly scalable trigger system. Scalability to large numbers of trigger...
Eric N. Hanson, Chris Carnes, Lan Huang, Mohan Kon...