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» Answering Queries using Humans, Algorithms and Databases
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GIS
2007
ACM
16 years 3 months ago
A model for enriching trajectories with semantic geographical information
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
SSDBM
2010
IEEE
133views Database» more  SSDBM 2010»
14 years 11 months ago
PrefIndex: An Efficient Supergraph Containment Search Technique
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
Gaoping Zhu, Xuemin Lin, Wenjie Zhang, Wei Wang, H...
RT
1998
Springer
15 years 6 months ago
Fidelity of Graphics Reconstructions: A Psychophysical Investigation
In this paper we develop a technique for measuring the perceptual equivalence of a graphical scene to a real scene. Ability to compare images is valuable in computer graphics for a...
Ann McNamara, Alan Chalmers, Tom Troscianko, Erik ...
CVPR
2004
IEEE
16 years 3 months ago
Learning Distance Functions for Image Retrieval
Image retrieval critically relies on the distance function used to compare a query image to images in the database. We suggest to learn such distance functions by training binary ...
Tomer Hertz, Aharon Bar-Hillel, Daphna Weinshall
IDA
2003
Springer
15 years 7 months ago
Large Scale Mining of Molecular Fragments with Wildcards
The main task of drug discovery is to find novel bioactive molecules, i.e., chemical compounds that, for example, protect human cells against a virus. One way to support solving t...
Heiko Hofer, Christian Borgelt, Michael R. Berthol...