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WIDM
2004
ACM
15 years 11 months ago
Probabilistic models for focused web crawling
A Focused crawler must use information gleaned from previously crawled page sequences to estimate the relevance of a newly seen URL. Therefore, good performance depends on powerfu...
Hongyu Liu, Evangelos E. Milios, Jeannette Janssen
AP2PC
2004
Springer
15 years 11 months ago
Unstructured Peer-to-Peer Networks: Topological Properties and Search Performance
Performing efficient decentralized search is a fundamental problem in Peer-to-Peer (P2P) systems. There has been a significant amount of research recently on developing robust sel...
George H. L. Fletcher, Hardik A. Sheth, Katy B&oum...
APPROX
2004
Springer
136views Algorithms» more  APPROX 2004»
15 years 11 months ago
On the Crossing Spanning Tree Problem
Given an undirected n-node graph and a set C of m cuts, the minimum crossing tree is a spanning tree which minimizes the maximum crossing of any cut in C, where the crossing of a c...
Vittorio Bilò, Vineet Goyal, R. Ravi, Mohit...
ESA
2003
Springer
118views Algorithms» more  ESA 2003»
15 years 11 months ago
The Voronoi Diagram of Planar Convex Objects
This paper presents a dynamic algorithm for the construction of the Euclidean Voronoi diagram of a set of convex objects in the plane. We consider first the Voronoi diagram of smo...
Menelaos I. Karavelas, Mariette Yvinec
INFOCOM
2002
IEEE
15 years 11 months ago
Using the Small-World Model to Improve Freenet Performance
– Efficient data retrieval in a peer-to-peer system like Freenet is a challenging problem. In this paper we study the impact of cache replacement policy on the performance of Fre...
Hui Zhang 0002, Ashish Goel, Ramesh Govindan