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LICS
2010
IEEE
15 years 5 months ago
The Emptiness Problem for Tree Automata with Global Constraints
We define tree automata with global constraints (TAGC), generalizing the well-known class of tree automata with global equality and disequality constraints [14] (TAGED). TAGC can...
Luis Barguñó, Carles Creus, Guillem ...
TKDE
2010
229views more  TKDE 2010»
15 years 5 months ago
Deriving Concept-Based User Profiles from Search Engine Logs
—User profiling is a fundamental component of any personalization applications. Most existing user profiling strategies are based on objects that users are interested in (i.e., p...
Kenneth Wai-Ting Leung, Dik Lun Lee
CORR
2010
Springer
66views Education» more  CORR 2010»
15 years 5 months ago
A Unique "Nonnegative" Solution to an Underdetermined System: from Vectors to Matrices
Abstract--This paper investigates the uniqueness of a nonnegative vector solution and the uniqueness of a positive semidefinite matrix solution to underdetermined linear systems. A...
Meng Wang, Weiyu Xu, Ao Tang
CIS
2010
Springer
15 years 2 months ago
Sensor Graphs for Guaranteed Cooperative Localization Performance
A group of mobile robots can localize cooperatively, using relative position and absolute orientation measurements, fused through an extended Kalman filter (ekf). The topology of ...
Y. Yuan, H. G. Tanner
HOTNETS
2010
15 years 2 months ago
"Extra-sensory perception" for wireless networks
Commodity smartphones and tablet devices now come equipped with a variety of sensors, including accelerometers, multiple positioning sensors, magnetic compasses, and inertial sens...
Lenin Ravindranath, Calvin C. Newport, Hari Balakr...