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VLDB
2007
ACM
155views Database» more  VLDB 2007»
15 years 11 months ago
Answering Aggregation Queries in a Secure System Model
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
Tingjian Ge, Stanley B. Zdonik
SEMWEB
2007
Springer
15 years 5 months ago
SMART: A Web-Based, Ontology-Driven, Semantic Web Query Answering Application
SMART (Semantic web information Management with automated Reasoning Tool) is an open-source project, which aims to provide intuitive tools for life scientists for represent, integr...
Alexander De Leon Battista, Natalia Villanueva-Ros...
EDBT
2009
ACM
127views Database» more  EDBT 2009»
15 years 6 months ago
Answering aggregate keyword queries on relational databases using minimal group-bys
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
Bin Zhou 0002, Jian Pei
IWMMDBMS
1996
64views more  IWMMDBMS 1996»
15 years 13 days ago
Spatial Indexing into Compressed Raster Images: How to Answer Range Queries Without Decompression
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
Renato Pajarola, Peter Widmayer
DBISP2P
2006
Springer
185views Database» more  DBISP2P 2006»
15 years 2 months ago
Answering Constrained k-NN Queries in Unstructured P2P Systems
The processing of k-NN queries has been studied extensively both in a centralized computing environment and in a structured P2P environment. However, the problem over an unstructur...
Bin Wang, Xiaochun Yang, Guoren Wang, Lei Chen 000...