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RAS
2002
247views more  RAS 2002»
15 years 6 months ago
Reference scan matching for global self-localization
Especially in dynamic environments a key feature concerning the robustness of mobile robot navigation is the capability of global self-localization. This term denotes a robot'...
Joachim Weber, Lutz Franken, Klaus-Werner Jör...
TIT
1998
100views more  TIT 1998»
15 years 6 months ago
Block-Coded PSK Modulation Using Two-Level Group Codes Over Dihedral Groups
—A length n group code over a group G is a subgroup of Gn under component-wise group operation. Group codes over dihedral groups DM, with 2M elements, that are two-level construc...
Jyoti Bali, B. Sundar Rajan
SIGIR
2002
ACM
15 years 6 months ago
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
Jack G. Conrad, Changwen Yang, Joanne S. Claussen
SIGMETRICS
2002
ACM
103views Hardware» more  SIGMETRICS 2002»
15 years 6 months ago
Network tomography on general topologies
In this paper we consider the problem of inferring link-level loss rates from end-to-end multicast measurements taken from a collection of trees. We give conditions under which lo...
Tian Bu, Nick G. Duffield, Francesco Lo Presti, Do...
SIGMETRICS
2002
ACM
107views Hardware» more  SIGMETRICS 2002»
15 years 6 months ago
Passage time distributions in large Markov chains
Probability distributions of response times are important in the design and analysis of transaction processing systems and computercommunication systems. We present a general tech...
Peter G. Harrison, William J. Knottenbelt