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CIKM
2009
Springer
16 years 1 months ago
Improving web page classification by label-propagation over click graphs
In this paper, we present a semi-supervised learning method for web page classification, leveraging click logs to augment training data by propagating class labels to unlabeled si...
Soo-Min Kim, Patrick Pantel, Lei Duan, Scott Gaffn...
ESA
2009
Springer
90views Algorithms» more  ESA 2009»
16 years 1 months ago
Storing a Compressed Function with Constant Time Access
We consider the problem of representing, in a space-efficient way, a function f : S → Σ such that any function value can be computed in constant time on a RAM. Specifically, ou...
Jóhannes B. Hreinsson, Morten Krøyer...
SSD
2009
Springer
142views Database» more  SSD 2009»
16 years 1 months ago
Monitoring Orientation of Moving Objects around Focal Points
Abstract. We consider a setting with numerous location-aware moving objects that communicate with a central server. Assuming a set of focal points of interest, we aim at continuous...
Kostas Patroumpas, Timos K. Sellis
SIGIR
2009
ACM
16 years 1 months ago
Web-derived resources for web information retrieval: from conceptual hierarchies to attribute hierarchies
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
Marius Pasca, Enrique Alfonseca
ACISICIS
2008
IEEE
16 years 1 months ago
Building a Service-Oriented Ontology for Wireless Sensor Networks
Wireless sensor networks (WSNs) provide various environment data in the real-world, and also WSNs´s middleware is able to offer field data in real-time by user queries. For mate...
Jeong-Hee Kim, Hoon Kwon, Do-Hyeon Kim, Ho-Young K...