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» A Database Interface for Complex Objects
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GIS
2009
ACM
14 years 1 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider
ICDE
2008
IEEE
150views Database» more  ICDE 2008»
14 years 10 months ago
Link Privacy in Social Networks
We consider a privacy threat to a social network in which the goal of an attacker is to obtain knowledge of a significant fraction of the links in the network. We formalize the ty...
Aleksandra Korolova, Rajeev Motwani, Shubha U. Nab...
AVI
2006
13 years 10 months ago
Improving access of elderly people to real environments: a semantic based approach
Access to real environments is often conditioned by a number of issues, including the skills of the user (i.e. affected by aging, physical and psychological deficiencies, etc.) an...
Fabio Pittarello, Alessandro De Faveri
SIGMOD
1996
ACM
99views Database» more  SIGMOD 1996»
14 years 1 months ago
A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
Leonid Libkin, Rona Machlin, Limsoon Wong
SBBD
2004
119views Database» more  SBBD 2004»
13 years 10 months ago
Computing the Dependency Basis for Nested List Attributes
Multi-valued dependencies (MVDs) are an important class of constraints that is fundamental for relational database design. Although modern applications increasingly require the su...
Sven Hartmann, Sebastian Link