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GIS
2005
ACM
16 years 5 months ago
Adaptive nearest neighbor queries in travel time networks
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
Wei-Shinn Ku, Roger Zimmermann, Haojun Wang, Chi-N...
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 4 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
OOPSLA
2007
Springer
15 years 10 months ago
Scalable omniscient debugging
Omniscient debuggers make it possible to navigate backwards in time within a program execution trace, drastically improving the task of debugging complex applications. Still, they...
Guillaume Pothier, Éric Tanter, José...
PODS
1994
ACM
91views Database» more  PODS 1994»
15 years 8 months ago
A Polymorphic Calculus for Views and Object Sharing
We present a typed polymorphic calculus that supports a general mechanism for view definition and object sharing among classes. In this calculus, a class can contain inclusion spe...
Atsushi Ohori, Keishi Tajima
BMCBI
2007
148views more  BMCBI 2007»
15 years 4 months ago
Toward the automated generation of genome-scale metabolic networks in the SEED
Background: Current methods for the automated generation of genome-scale metabolic networks focus on genome annotation and preliminary biochemical reaction network assembly, but d...
Matthew DeJongh, Kevin Formsma, Paul Boillot, John...