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MDM
2007
Springer
136views Communications» more  MDM 2007»
16 years 27 days ago
iPDA: Supporting Privacy-Preserving Location-Based Mobile Services
This demonstration presents iPDA, a system to support privacy-preserving data access in location-based mobile services. The iPDA system consists of three main components: 1) a mob...
Jing Du, Jianliang Xu, Xueyan Tang, Haibo Hu
SODA
2001
ACM
108views Algorithms» more  SODA 2001»
15 years 8 months ago
Entropy-preserving cuttings and space-efficient planar point location
Point location is the problem of preprocessing a planar polygonal subdivision S into a data structure in order to determine efficiently the cell of the subdivision that contains a...
Sunil Arya, Theocharis Malamatos, David M. Mount
ICDE
2011
IEEE
273views Database» more  ICDE 2011»
14 years 10 months ago
Shortcut selection in RDF databases
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...
DASFAA
2009
IEEE
89views Database» more  DASFAA 2009»
16 years 1 months ago
FlexBench: A Flexible XML Query Benchmark
Abstract. In this paper we propose a new approach to XML benchmarking – a flexible XML query benchmark called FlexBench. The flexibility is given by two aspects. Firstly, FlexB...
Maros Vranec, Irena Mlýnková
DOLAP
2009
ACM
16 years 1 months ago
LMDQL: link-based and multidimensional query language
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
Paulo Caetano da Silva, Fábio Santos Souza,...