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JCO
2010
75views more  JCO 2010»
15 years 5 months ago
A quadratic lower bound for Rocchio's similarity-based relevance feedback algorithm with a fixed query updating factor
Rocchio’s similarity-based relevance feedback algorithm, one of the most important query reformation methods in information retrieval, is essentially an adaptive supervised lear...
Zhixiang Chen, Bin Fu, John Abraham
198
Voted
SIGIR
2010
ACM
15 years 10 months ago
Personalizing information retrieval for multi-session tasks: the roles of task stage and task type
Dwell time as a user behavior has been found in previous studies to be an unreliable predictor of document usefulness, with contextual factors such as the user’s task needing to...
Jingjing Liu, Nicholas J. Belkin
ISAAC
2005
Springer
100views Algorithms» more  ISAAC 2005»
16 years 9 days ago
Separability with Outliers
We develop exact and approximate algorithms for computing optimal separators and measuring the extent to which two point sets in d-dimensional space are separated, with respect to...
Sariel Har-Peled, Vladlen Koltun
EUSFLAT
2007
126views Fuzzy Logic» more  EUSFLAT 2007»
15 years 8 months ago
Uncertainty as a Modality over t-norm Based Logics
In this work we propose a general approach for representing uncertainty measures in the framework of t-norm based logics. This approach is extended also to classes of measures lik...
Enrico Marchioni
192
Voted
ARC
2007
Springer
95views Hardware» more  ARC 2007»
15 years 7 months ago
Time delay systems with distribution dependent dynamics
General delay dynamical systems in which uncertainty is present in the form of probability measure dependent dynamics are considered. Several motivating examples arising in biolog...
H. T. Banks, Sava Dediu, Hoan K. Nguyen