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AUTONOMICS
2007
ACM
15 years 9 months ago
Characterizing pairwise inter-contact patterns in delay tolerant networks
A good understanding of contact patterns in delay tolerant networks (DTNs) is essential for the design of effective routing schemes. Prior work has typically focused on intercontac...
Vania Conan, Jeremie Leguay, Timur Friedman
ADBIS
2007
Springer
126views Database» more  ADBIS 2007»
15 years 9 months ago
Optimal Query Mapping in Mobile OLAP
Query mapping to aggregation lattices is used in order to exploit sub-cube dependencies in multidimensional databases. It is employed in mobile OLAP dissemination systems, in order...
Ilias Michalarias, Hans-Joachim Lenz
DEBS
2007
ACM
15 years 9 months ago
Temporal order optimizations of incremental joins for composite event detection
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
François Bry, Michael Eckert
ECML
2007
Springer
15 years 9 months ago
On Pairwise Naive Bayes Classifiers
Class binarizations are effective methods for improving weak learners by decomposing multi-class problems into several two-class problems. This paper analyzes how these methods can...
Jan-Nikolas Sulzmann, Johannes Fürnkranz, Eyk...
122
Voted
CSE
2009
IEEE
15 years 9 months ago
Is the Crowd's Wisdom Biased? A Quantitative Analysis of Three Online Communities
We present a study of user voting on three websites: Imdb, Amazon and BookCrossings. Here we report on an expert evaluation of the voting mechanisms of each website and a quantitat...
Vassilis Kostakos