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» Algorithms for Proximity Problems on Colored Point Sets
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ESA
2003
Springer
116views Algorithms» more  ESA 2003»
14 years 18 days ago
Smoothed Motion Complexity
We propose a new complexity measure for movement of objects, the smoothed motion complexity. Many applications are based on algorithms dealing with moving objects, but usually data...
Valentina Damerow, Friedhelm Meyer auf der Heide, ...
COMGEO
2010
ACM
13 years 7 months ago
Exact join detection for convex polyhedra and other numerical abstractions
r Numerical Abstractions6 Roberto Bagnaraa , Patricia M. Hillb , Enea Zaffanellaa aDepartment of Mathematics, University of Parma, Italy bSchool of Computing, University of Leeds, ...
Roberto Bagnara, Patricia M. Hill, Enea Zaffanella
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
14 years 8 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
EDBT
2010
ACM
172views Database» more  EDBT 2010»
14 years 15 days ago
Privacy preserving group nearest neighbor queries
User privacy in location-based services has attracted great interest in the research community. We introduce a novel framework based on a decentralized architecture for privacy pr...
Tanzima Hashem, Lars Kulik, Rui Zhang
ESEC
1999
Springer
13 years 11 months ago
Yesterday, My Program Worked. Today, It Does Not. Why?
Imagine some program and a number of changes. If none of these changes is applied (“yesterday”), the program works. If all changes are applied (“today”), the program does n...
Andreas Zeller