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ER
2008
Springer
102views Database» more  ER 2008»
15 years 8 months ago
Retrieving Documents with Geographic References Using a Spatial Index Structure Based on Ontologies
Abstract. Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic In...
Miguel Rodríguez Luaces, Ángeles S. ...
ICASSP
2009
IEEE
16 years 27 days ago
On the phonetic information in ultrasonic microphone signals
We study the phonetic information in the signal from an ultrasonic “microphone”, a device that emits an ultrasonic wave toward a speaker and receives the reflected, Doppler-s...
Karen Livescu, Bo Zhu, James R. Glass
CIKM
2003
Springer
15 years 11 months ago
Tracking changes in user interests with a few relevance judgments
Keeping track of changes in user interests from a document stream with a few relevance judgments is not an easy task. To tackle this problem, we propose a novel method that integr...
Dwi H. Widyantoro, Thomas R. Ioerger, John Yen
CLEF
2007
Springer
16 years 10 days ago
Charles University at CLEF 2007 Ad-Hoc Track
In this paper we describe retrieval experiments performed at Charles University in Prague for participation in the CLEF 2007 Ad-Hoc track. We focused on the Czech monolingual task...
Pavel Ceska, Pavel Pecina
ICRA
2007
IEEE
130views Robotics» more  ICRA 2007»
16 years 14 days ago
Improvement of the Odometry Accuracy of a Crawler Vehicle with Consideration of Slippage
Abstract— Crawler mechanisms have the advantage of stable navigation on uneven terrain; as a result, such mechanisms have been adopted for many types of locomotion of outdoor rob...
Keiji Nagatani, Daisuke Endo, Kazuya Yoshida