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EDBT
2006
ACM
154views Database» more  EDBT 2006»
15 years 10 months ago
Approximation Techniques to Enable Dimensionality Reduction for Voronoi-Based Nearest Neighbor Search
Utilizing spatial index structures on secondary memory for nearest neighbor search in high-dimensional data spaces has been the subject of much research. With the potential to host...
Christoph Brochhaus, Marc Wichterich, Thomas Seidl
BTW
2005
Springer
108views Database» more  BTW 2005»
15 years 11 months ago
Integrating the Relational Interval Tree into IBM's DB2 Universal Database Server
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
Christoph Brochhaus, Jost Enderle, Achim Schlosser...
VLDB
2004
ACM
134views Database» more  VLDB 2004»
15 years 11 months ago
A Privacy-Preserving Index for Range Queries
Database outsourcing is an emerging data management paradigm which has the potential to transform the IT operations of corporations. In this paper we address privacy threats in da...
Bijit Hore, Sharad Mehrotra, Gene Tsudik
WEBI
2010
Springer
15 years 4 months ago
MQuery: Fast Graph Query via Semantic Indexing for Mobile Context
Mobile is becoming a ubiquitous platform for context-aware intelligent computing. One fundamental but usually ignored issue is how to efficiently manage (e.g., index and query) the...
Yuan Zhang, Ning Zhang, Jie Tang, Jinghai Rao, Wen...
USENIX
2007
15 years 8 months ago
Hyperion: High Volume Stream Archival for Retrospective Querying
Network monitoring systems that support data archival and after-the-fact (retrospective) queries are useful for a multitude of purposes, such as anomaly detection and network and ...
Peter Desnoyers, Prashant J. Shenoy