Sciweavers

4944 search results - page 908 / 989
» From XML to Relational Models
Sort
View
GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
WWW
2004
ACM
14 years 8 months ago
Is question answering an acquired skill?
We present a question answering (QA) system which learns how to detect and rank answer passages by analyzing questions and their answers (QA pairs) provided as training data. We b...
Ganesh Ramakrishnan, Soumen Chakrabarti, Deepa Par...
SIGMOD
2006
ACM
208views Database» more  SIGMOD 2006»
14 years 7 months ago
Data management for a smart earth: the Swiss NCCR-MICS initiative
The Swiss National Competence Center for Research in mobile Information and Communication Systems (NCCR-MICS or MICS) is one of several research initiatives sponsored by the Swiss...
Karl Aberer, Gustavo Alonso, Donald Kossmann
IROS
2009
IEEE
129views Robotics» more  IROS 2009»
14 years 2 months ago
Predicting the navigation performance of underwater vehicles
— In this paper we present a general framework for predicting the positioning uncertainty of underwater vehicles. We apply this framework to common examples from marine robotics:...
Brian Bingham
IROS
2009
IEEE
151views Robotics» more  IROS 2009»
14 years 2 months ago
Lion and man game in the presence of a circular obstacle
— In the lion and man game, a lion tries to capture a man who is as fast as the lion. We study a new version of this game which takes place in a Euclidean environment with a circ...
Nikhil Karnad, Volkan Isler