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TKDE
2002
239views more  TKDE 2002»
13 years 7 months ago
An Efficient Path Computation Model for Hierarchically Structured Topographical Road Maps
In this paper, we have developed a HiTi (Hierarchical MulTi) graph model for structuring large topographical road maps to the minimum cost route computation. The HiTi graph model p...
Sungwon Jung, Sakti Pramanik
WWW
2005
ACM
14 years 8 months ago
A framework for determining necessary query set sizes to evaluate web search effectiveness
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...
Eric C. Jensen, Steven M. Beitzel, Ophir Frieder, ...
ICDE
2010
IEEE
250views Database» more  ICDE 2010»
14 years 4 months ago
Optimized Query Evaluation Using Cooperative Sorts
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
Yu Cao, Ramadhana Bramandia, Chee-Yong Chan, Kian-...
ICC
2007
IEEE
155views Communications» more  ICC 2007»
14 years 1 months ago
On Supporting Robust Voice Multicasting Over Ad Hoc Wireless Networks
Abstract— In this paper, we address the problem of voice multicasting in ad hoc wireless networks. The unique characteristics of voice traffic (viz. small packet size, high pack...
G. Venkat Raju, Tamma Bheemarjuna Reddy, C. Siva R...
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
14 years 8 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura