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» Algorithmic Representation of Visual Information
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STOC
2003
ACM
178views Algorithms» more  STOC 2003»
16 years 3 months ago
Uniform hashing in constant time and linear space
Many algorithms and data structures employing hashing have been analyzed under the uniform hashing assumption, i.e., the assumption that hash functions behave like truly random fu...
Anna Östlin, Rasmus Pagh
CIKM
2001
Springer
15 years 7 months ago
Joint Optimization of Cost and Coverage of Query Plans in Data Integration
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
Zaiqing Nie, Subbarao Kambhampati
120
Voted
TSMC
1998
169views more  TSMC 1998»
15 years 3 months ago
Real-time map building and navigation for autonomous robots in unknown environments
—An algorithmic solution method is presented for the problem of autonomous robot motion in completely unknown environments. Our approach is based on the alternate execution of tw...
Giuseppe Oriolo, Giovanni Ulivi, Marilena Venditte...
140
Voted
KI
2002
Springer
15 years 3 months ago
Formal Properties of Constraint Calculi for Qualitative Spatial Reasoning
In the previous two decades, a number of qualitative constraint calculi have been developed, which are used to represent and reason about spatial configurations. A common property...
Bernhard Nebel, Alexander Scivos
IV
1999
IEEE
91views Visualization» more  IV 1999»
15 years 7 months ago
Triangle Mesh Compression for Fast Rendering
Modern GIS(Geographic Information System) application programs and simulation systems have to handle large datasets for rendering. Currently three dimensional rendering hardware a...
Dong-Gyu Park, Yang-Soo Kim, Hwan-Gue Cho