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CORR
2010
Springer
180views Education» more  CORR 2010»
13 years 5 months ago
Shortest path problem in rectangular complexes of global nonpositive curvature
Abstract. CAT(0) metric spaces constitute a far-reaching common generalization of Euclidean and hyperbolic spaces and simple polygons: any two points x and y of a CAT(0) metric spa...
Victor Chepoi, Daniela Maftuleac
GIS
2008
ACM
14 years 9 months ago
Autonomous navigation of mobile agents using RFID-enabled space partitions
Existing techniques for autonomous indoor navigation are often environment-specific and thus limited in terms of their applicability. In this paper, we take a fundamentally differ...
Muhammad Atif Mehmood, Lars Kulik, Egemen Tanin
CIKM
2009
Springer
14 years 2 months ago
Fast shortest path distance estimation in large networks
In this paper we study approximate landmark-based methods for point-to-point distance estimation in very large networks. These methods involve selecting a subset of nodes as landm...
Michalis Potamias, Francesco Bonchi, Carlos Castil...
CORR
2008
Springer
98views Education» more  CORR 2008»
13 years 8 months ago
High-SNR Analysis of Outage-Limited Communications with Bursty and Delay-Limited Information
Abstract-- This work analyzes the high-SNR asymptotic error performance of outage-limited communications with fading, where the number of bits that arrive at the transmitter during...
Somsak Kittipiyakul, Petros Elia, Tara Javidi
ATMOS
2007
13 years 9 months ago
Maintenance of Multi-level Overlay Graphs for Timetable Queries
In railways systems the timetable is typically represented as a weighted digraph on which itinerary queries are answered by shortest path algorithms, usually running Dijkstra’s a...
Francesco Bruera, Serafino Cicerone, Gianlorenzo D...