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ESA
2004
Springer
98views Algorithms» more  ESA 2004»
14 years 2 months ago
Competitive Online Approximation of the Optimal Search Ratio
How efficiently can we search an unknown environment for a goal in unknown position? How much would it help if the environment were known? We answer these questions for simple poly...
Rudolf Fleischer, Thomas Kamphans, Rolf Klein, Elm...
VLDB
2004
ACM
138views Database» more  VLDB 2004»
14 years 2 months ago
ObjectRank: Authority-Based Keyword Search in Databases
The ObjectRank system applies authority-based ranking to keyword search in databases modeled as labeled graphs. Conceptually, authority originates at the nodes (objects) containin...
Andrey Balmin, Vagelis Hristidis, Yannis Papakonst...
CAI
2002
Springer
13 years 8 months ago
Depth First Search and Location Based Localized Routing and QoS Routing in Wireless Networks
In a localized routing algorithm, node A currently holding the message forwards it based on the location of itself, its neighboring nodes and destination. We propose to use depth ...
Ivan Stojmenovic, Mark Russell, Bosko Vukojevic
SIGIR
2011
ACM
12 years 11 months ago
Pseudo test collections for learning web search ranking functions
Test collections are the primary drivers of progress in information retrieval. They provide a yardstick for assessing the effectiveness of ranking functions in an automatic, rapi...
Nima Asadi, Donald Metzler, Tamer Elsayed, Jimmy L...
CSCLP
2005
Springer
14 years 2 months ago
A CSP Search Algorithm with Reduced Branching Factor
This paper presents an attempt to construct a ”practical” CSP algorithm that assigns a variable with 2 values at every step. Such a strategy has been successfully used for cons...
Igor Razgon, Amnon Meisels