Sciweavers

2317 search results - page 402 / 464
» classification 2008
Sort
View
119
Voted
CIKM
2008
Springer
15 years 2 months ago
Kernel methods, syntax and semantics for relational text categorization
Previous work on Natural Language Processing for Information Retrieval has shown the inadequateness of semantic and syntactic structures for both document retrieval and categoriza...
Alessandro Moschitti
104
Voted
CIKM
2008
Springer
15 years 2 months ago
Towards a model of understanding social search
Search engine researchers typically depict search as the solitary activity of an individual searcher. In contrast, results from our critical-incident survey of 150 users on Amazon...
Brynn M. Evans, Ed H. Chi
94
Voted
COCOA
2008
Springer
15 years 2 months ago
New Algorithms for k-Center and Extensions
The problem of interest is covering a given point set with homothetic copies of several convex containers C1,...,Ck, while the objective is to minimize the maximum over the dilatat...
René Brandenberg, Lucia Roth
COLT
2008
Springer
15 years 2 months ago
Does Unlabeled Data Provably Help? Worst-case Analysis of the Sample Complexity of Semi-Supervised Learning
We study the potential benefits to classification prediction that arise from having access to unlabeled samples. We compare learning in the semi-supervised model to the standard, ...
Shai Ben-David, Tyler Lu, Dávid Pál
CSCW
2008
ACM
15 years 2 months ago
The microstructures of social tagging: a rational model
This article presents a rational model developed under the distributed cognition framework that explains how social tags influence knowledge acquisition and adaptation in explorat...
Wai-Tat Fu