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» Exploring evaluation methods for ambient information systems
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CIKM
2005
Springer
15 years 3 months ago
Towards estimating the number of distinct value combinations for a set of attributes
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
Xiaohui Yu, Calisto Zuzarte, Kenneth C. Sevcik
CIKM
2008
Springer
14 years 11 months ago
To swing or not to swing: learning when (not) to advertise
Web textual advertising can be interpreted as a search problem over the corpus of ads available for display in a particular context. In contrast to conventional information retrie...
Andrei Z. Broder, Massimiliano Ciaramita, Marcus F...
CRV
2006
IEEE
176views Robotics» more  CRV 2006»
14 years 11 months ago
Stereo Retinex
The retinex algorithm for lightness and color constancy is extended to include 3-dimensional spatial information reconstructed from a stereo image. A key aspect of traditional ret...
Weihua Xiong, Brian V. Funt
EDBT
2008
ACM
151views Database» more  EDBT 2008»
15 years 9 months ago
Fast contextual preference scoring of database tuples
To provide users with only relevant data from the huge amount of available information, personalization systems utilize preferences to allow users to express their interest on spe...
Kostas Stefanidis, Evaggelia Pitoura
SOUPS
2009
ACM
15 years 4 months ago
Look into my eyes!: can you guess my password?
Authentication systems for public terminals – and thus public spaces – have to be fast, easy and secure. Security is of utmost importance since the public setting allows manif...
Alexander De Luca, Martin Denzel, Heinrich Hussman...