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FOCS
2003
IEEE
15 years 5 months ago
Paths, Trees, and Minimum Latency Tours
We give improved approximation algorithms for a variety of latency minimization problems. In particular, we give a 3.591 -approximation to the minimum latency problem, improving o...
Kamalika Chaudhuri, Brighten Godfrey, Satish Rao, ...
COMPSAC
2002
IEEE
15 years 4 months ago
Expanding an Extended Finite State Machine to aid Testability
The problem of testing from an extended finite state machine (EFSM) is complicated by the presence of infeasible paths. This paper considers the problem of expanding an EFSM in o...
Robert M. Hierons, T.-H. Kim, Hasan Ural
ATMOS
2010
134views Optimization» more  ATMOS 2010»
14 years 10 months ago
Vertex Disjoint Paths for Dispatching in Railways
We study variants of the vertex disjoint paths problem in planar graphs where paths have to be selected from a given set of paths. We study the problem as a decision, maximization...
Holger Flier, Matús Mihalák, Anita S...
PVLDB
2010
146views more  PVLDB 2010»
14 years 10 months ago
Graph Indexing of Road Networks for Shortest Path Queries with Label Restrictions
The current widespread use of location-based services and GPS technologies has revived interest in very fast and scalable shortest path queries. We introduce a new shortest path q...
Michael Rice, Vassilis J. Tsotras
COSIT
2009
Springer
159views GIS» more  COSIT 2009»
15 years 6 months ago
Adaptable Path Planning in Regionalized Environments
Human path planning relies on several more aspects than only geometric distance between two locations. These additional aspects mostly relate to the complexity of the traveled path...
Kai-Florian Richter