Sciweavers

453 search results - page 1 / 91
» On Approximation of Bookmark Assignments
Sort
View
MFCS
2007
Springer
14 years 5 months ago
On Approximation of Bookmark Assignments
Consider a rooted directed acyclic graph G = (V, E) with root r, representing a collection V of web pages connected via a set E of hyperlinks. Each node v is associated with the pr...
Yuichi Asahiro, Eiji Miyano, Toshihide Murata, Hir...
EKAW
2010
Springer
13 years 9 months ago
Social People-Tagging vs. Social Bookmark-Tagging
Abstract. Tagging has been widely used and studied in various domains. Recently, people-tagging has emerged as a means to categorize contacts, and is also used in some social acces...
Peyman Nasirifard, Sheila Kinsella, Krystian Samp,...
JDWM
2010
180views more  JDWM 2010»
13 years 9 months ago
Investigating the Properties of a Social Bookmarking and Tagging Network
Social networks and collaborative tagging systems are rapidly gaining popularity as a primary means for storing and sharing data among friends, family, colleagues, or perfect stra...
Ralitsa Angelova, Marek Lipczak, Evangelos E. Mili...
IPL
2006
101views more  IPL 2006»
13 years 11 months ago
An efficient approximation for the Generalized Assignment Problem
We present a simple family of algorithms for solving the Generalized Assignment Problem (GAP). Our technique is based on a novel combinatorial translation of any algorithm for the...
Reuven Cohen, Liran Katzir, Danny Raz
STOC
2002
ACM
118views Algorithms» more  STOC 2002»
14 years 11 months ago
On the advantage over a random assignment
: We initiate the study of a new measure of approximation. This measure compares the performance of an approximation algorithm to the random assignment algorithm. This is a useful ...
Johan Håstad, Srinivasan Venkatesh