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CHI
2009
ACM
15 years 2 months ago
Semantically structured tag clouds: an empirical evaluation of clustered presentation approaches
Tag clouds have become a frequently used interaction technique in the web. Recently several approaches to present tag clouds with the tags semantically clustered have been propose...
Johann Schrammel, Michael Leitner, Manfred Tscheli...
ESA
2011
Springer
251views Algorithms» more  ESA 2011»
14 years 4 months ago
Improved Approximation Algorithms for Bipartite Correlation Clustering
In this work we study the problem of Bipartite Correlation Clustering (BCC), a natural bipartite counterpart of the well studied Correlation Clustering (CC) problem. Given a bipart...
Nir Ailon, Noa Avigdor-Elgrabli, Edo Liberty, Anke...
GECCO
2009
Springer
143views Optimization» more  GECCO 2009»
15 years 11 months ago
Exploiting hierarchical clustering for finding bounded diameter minimum spanning trees on euclidean instances
The bounded diameter minimum spanning tree problem is an NP-hard combinatorial optimization problem arising, for example, in network design when quality of service is of concern. ...
Martin Gruber, Günther R. Raidl
ICCS
2005
Springer
15 years 10 months ago
Model-Based Statistical Testing of a Cluster Utility
Abstract. As High Performance Computing becomes more collaborative, software certification practices are needed to quantify the credibility of shared applications. To demonstrate q...
W. Thomas Swain, Stephen L. Scott
WAOA
2007
Springer
158views Algorithms» more  WAOA 2007»
15 years 11 months ago
Deterministic Algorithms for Rank Aggregation and Other Ranking and Clustering Problems
We consider ranking and clustering problems related to the aggregation of inconsistent information. Ailon, Charikar, and Newman [1] proposed randomized constant factor approximatio...
Anke van Zuylen, David P. Williamson