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199
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CIE
2011
Springer
14 years 2 months ago
Automatic Learners with Feedback Queries
Automatic classes are classes of languages for which a finite automaton can decide whether a given element is in a set given by its index. The present work studies the learnabilit...
John Case, Sanjay Jain, Yuh Shin Ong, Pavel Semukh...
ESA
2009
Springer
77views Algorithms» more  ESA 2009»
15 years 9 months ago
Short Labels for Lowest Common Ancestors in Trees
We evaluate the practical performance of labeling schemes for lowest common ancestors in trees. We develop different variants for encoding the labels. We then perform a thorough e...
Johannes Fischer
115
Voted
ICIP
2007
IEEE
16 years 4 months ago
A New Angle-Based Spatial Modeling for Query by Visual Thesaurus Composition
Querying by Visual Thesaurus (VT) is a novel paradigm for content-based image retrieval approaches for it gives the user the possibility, in case of inappropriate starting example...
Hichem Houissa, Nozha Boujemaa
FOCS
2009
IEEE
15 years 9 months ago
A Complete Characterization of Statistical Query Learning with Applications to Evolvability
Statistical query (SQ) learning model of Kearns is a natural restriction of the PAC learning model in which a learning algorithm is allowed to obtain estimates of statistical prop...
Vitaly Feldman
DASFAA
2011
IEEE
231views Database» more  DASFAA 2011»
14 years 6 months ago
Querying Moving Objects with Uncertainty in Spatio-Temporal Databases
Spatio-temporal uncertainty is a special feature of moving objects due to the inability of precisely capturing or predicting their continuously changing locations. Indeterminate lo...
Hechen Liu, Markus Schneider