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» On the Subgroup Distance Problem
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112
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APPML
2008
77views more  APPML 2008»
15 years 3 months ago
Antipodality in convex cones and distance to unpointedness
We provide a complete answer to the problem which consists in finding an unpointed convex cone lying at minimal bounded Pompeiu-Hausdorff distance from a pointed one. We give also...
Alfredo N. Iusem, Alberto Seeger
127
Voted
FLAIRS
2008
15 years 6 months ago
Distance Metric Learning for Conditional Anomaly Detection
Anomaly detection methods can be very useful in identifying unusual or interesting patterns in data. A recently proposed conditional anomaly detection framework extends anomaly de...
Michal Valko, Milos Hauskrecht
132
Voted
COMPGEOM
2003
ACM
15 years 9 months ago
Finding a curve in a map
Given a polygonal curve and a geometric graph, we describe an efficient algorithm to find a path in the graph which is most similar to the curve, using the well-known Fr´echet d...
Carola Wenk, Helmut Alt, Alon Efrat, Lingeshwaran ...
120
Voted
ECIR
2010
Springer
15 years 5 months ago
Laplacian Co-hashing of Terms and Documents
A promising way to accelerate similarity search is semantic hashing which designs compact binary codes for a large number of documents so that semantically similar documents are ma...
Dell Zhang, Jun Wang, Deng Cai, Jinsong Lu
141
Voted
BIOINFORMATICS
2011
14 years 10 months ago
Algorithms for sorting unsigned linear genomes by the DCJ operations
Motivation: The double cut and join operation (abbreviated as DCJ) has been extensively used for genomic rearrangement. Although the DCJ distance between signed genomes with both ...
Haitao Jiang, Binhai Zhu, Daming Zhu