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TREC
2004
13 years 9 months ago
Language Models for Searching in Web Corpora
: We describe our participation in the TREC 2004 Web and Terabyte tracks. For the web track, we employ mixture language models based on document full-text, incoming anchortext, and...
Jaap Kamps, Gilad Mishne, Maarten de Rijke
TCS
2008
13 years 7 months ago
Succinct representations of planar maps
This paper addresses the problem of representing the connectivity information of geometric objects using as little memory as possible. As opposed to raw compression issues, the fo...
Luca Castelli Aleardi, Olivier Devillers, Gilles S...
SIGMOD
2004
ACM
92views Database» more  SIGMOD 2004»
14 years 7 months ago
The Price of Validity in Dynamic Networks
Massive-scale self-administered networks like Peer-to-Peer and Sensor Networks have data distributed across thousands of participant hosts. These networks are highly dynamic with ...
Mayank Bawa, Aristides Gionis, Hector Garcia-Molin...
DASFAA
2010
IEEE
166views Database» more  DASFAA 2010»
14 years 2 months ago
The Objects Interaction Matrix for Modeling Cardinal Directions in Spatial Databases
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...
Tao Chen, Markus Schneider, Ganesh Viswanathan, We...
ICC
2007
IEEE
128views Communications» more  ICC 2007»
14 years 1 months ago
Supporting the Sink Mobility: a Case Study for Wireless Sensor Networks
— This paper deals with a system level design solution to support information gathering in the presence of a mobile querying node that experiences frequent disconnections from a ...
David Tacconi, Iacopo Carreras, Daniele Miorandi, ...