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ICRA
2007
IEEE
137views Robotics» more  ICRA 2007»
15 years 8 months ago
Decidability of Motion Planning with Differential Constraints
— Classical path planning does not address many of the challenges of robotic systems subject to differential constraints. While there have been many recent efforts to develop mot...
Peng Cheng, George J. Pappas, Vijay Kumar
126
Voted
EDBT
2009
ACM
127views Database» more  EDBT 2009»
15 years 9 months ago
Answering aggregate keyword queries on relational databases using minimal group-bys
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
Bin Zhou 0002, Jian Pei
CLEF
2009
Springer
15 years 3 months ago
Where in the Wikipedia Is That Answer? The XLDB at the GikiCLEF 2009 Task
GikiCLEF focused on the evaluation of the reasoning capabilities of systems to provide right answers for geographically-challenging topics. As we did not have previous experience ...
Nuno Cardoso, David Batista, Francisco J. Ló...
ALENEX
2010
161views Algorithms» more  ALENEX 2010»
15 years 3 months ago
Route Planning with Flexible Objective Functions
We present the first fast route planning algorithm that answers shortest paths queries for a customizable linear combination of two different metrics, e. g. travel time and energy...
Robert Geisberger, Moritz Kobitzsch, Peter Sanders
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
16 years 2 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman