Sciweavers

588 search results - page 91 / 118
» Positive higher-order queries
Sort
View
CIKM
2009
Springer
16 years 20 days 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 19 days 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 18 days 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 17 days 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 17 days 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...