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SAC
2010
ACM
14 years 2 months ago
Modeling cardinal directions in the 3D space with the objects interaction cube matrix
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...
Tao Chen, Markus Schneider
GLOBECOM
2009
IEEE
14 years 2 months ago
Emulation of Optical PIFO Buffers
—With recent advances in optical technology, we are closer to building all-optical routers than ever before. A major problem in this area, however, is the lack of all-optical mem...
Houman Rastegarfar, Monia Ghobadi, Yashar Ganjali
WADS
2009
Springer
226views Algorithms» more  WADS 2009»
14 years 2 months ago
Online Priority Steiner Tree Problems
Abstract. A central issue in the design of modern communication networks is the provision of Quality-of-Service (QoS) guarantees at the presence of heterogeneous users. For instanc...
Spyros Angelopoulos
FSTTCS
2009
Springer
14 years 2 months ago
Kernels for Feedback Arc Set In Tournaments
A tournament T = (V, A) is a directed graph in which there is exactly one arc between every pair of distinct vertices. Given a digraph on n vertices and an integer parameter k, th...
Stéphane Bessy, Fedor V. Fomin, Serge Gaspe...
MOBICOM
2009
ACM
14 years 2 months ago
Lifetime and coverage guarantees through distributed coordinate-free sensor activation
Wireless Sensor Networks are emerging as a key sensing technology, with diverse military and civilian applications. In these networks, a large number of sensors perform distribute...
Gaurav S. Kasbekar, Yigal Bejerano, Saswati Sarkar