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CRYPTO
1999
Springer
152views Cryptology» more  CRYPTO 1999»
13 years 12 months ago
An Information Theoretic Analysis of Rooted-Tree Based Secure Multicast Key Distribution Schemes
Several variations of rooted tree based solutions have been recently proposed for member revocation in multicast communications [18, 19, 20, 21]. In this paper, we show that by ass...
Radha Poovendran, John S. Baras
WWW
2008
ACM
14 years 8 months ago
Genealogical trees on the web: a search engine user perspective
This paper presents an extensive study about the evolution of textual content on the Web, which shows how some new pages are created from scratch while others are created using al...
Ricardo A. Baeza-Yates, Álvaro R. Pereira J...
SODA
2001
ACM
188views Algorithms» more  SODA 2001»
13 years 9 months ago
Approximation algorithms for the 0-extension problem
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
Gruia Calinescu, Howard J. Karloff, Yuval Rabani
JCSS
2002
199views more  JCSS 2002»
13 years 7 months ago
A Constant-Factor Approximation Algorithm for the k-Median Problem
We present the first constant-factor approximation algorithm for the metric k-median problem. The k-median problem is one of the most well-studied clustering problems, i.e., those...
Moses Charikar, Sudipto Guha, Éva Tardos, D...
JOT
2008
119views more  JOT 2008»
13 years 7 months ago
Revisiting Class Cohesion: An empirical investigation on several systems
Class cohesion is considered as one of most important object-oriented software attributes. Cohesion refers to the degree of relatedness between members in a class. High cohesion i...
Linda Badri, Mourad Badri, Alioune Badara Gueye