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SIGMOD
1997
ACM
113views Database» more  SIGMOD 1997»
14 years 26 days ago
Size Separation Spatial Join
The Partitioned Based Spatial-Merge Join (PBSM) of Patel and DeWitt and the Size Separation Spatial Join (S3 J) of Koudas and Sevcik are considered to be among the most efficient ...
Nick Koudas, Kenneth C. Sevcik
BIOID
2008
134views Biometrics» more  BIOID 2008»
13 years 11 months ago
Advanced Studies on Reproducibility of Biometric Hashes
The determination of hashes based on biometric data is a recent topic in biometrics as it allows to handle biometric templates in a privacy manner. Applications could be the genera...
Tobias Scheidat, Claus Vielhauer, Jana Dittmann
CIKM
2008
Springer
13 years 11 months ago
Summarization of social activity over time: people, actions and concepts in dynamic networks
We present a framework for automatically summarizing social group activity over time. The problem is important in understanding large scale online social networks, which have dive...
Yu-Ru Lin, Hari Sundaram, Aisling Kelliher
ATAL
2006
Springer
13 years 11 months ago
Evaluating bidding strategies for simultaneous auctions
Bidding for multiple items or bundles on online auctions raises challenging problems. We assume that an agent has a valuation function that returns its valuation for an arbitrary ...
Teddy Candale, Sandip Sen
ESA
2008
Springer
94views Algorithms» more  ESA 2008»
13 years 11 months ago
Relative Convex Hulls in Semi-dynamic Subdivisions
Abstract. We present data structures for maintaining the relative convex hull of a set of points (sites) in the presence of pairwise non-crossing line segments (barriers) that subd...
Mashhood Ishaque, Csaba D. Tóth