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» Switching Graphs and Their Complexity
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ECCC
2006
70views more  ECCC 2006»
15 years 4 months ago
Finding a Heaviest Triangle is not Harder than Matrix Multiplication
We show that for any > 0, a maximum-weight triangle in an undirected graph with n vertices and real weights assigned to vertices can be found in time O(n + n2+), where is the ...
Artur Czumaj, Andrzej Lingas
149
Voted
KDD
2010
ACM
244views Data Mining» more  KDD 2010»
15 years 2 months ago
Finding effectors in social networks
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
Theodoros Lappas, Evimaria Terzi, Dimitrios Gunopu...
SSS
2010
Springer
158views Control Systems» more  SSS 2010»
15 years 2 months ago
Low Memory Distributed Protocols for 2-Coloring
In this paper we present new distributed protocols to color even rings and general bipartite graphs. Our motivation is to provide algorithmic explanation for human subject experime...
Amos Israeli, Mathew D. McCubbins, Ramamohan Patur...
171
Voted
TKDE
2012
250views Formal Methods» more  TKDE 2012»
13 years 6 months ago
Dense Subgraph Extraction with Application to Community Detection
— This paper presents a method for identifying a set of dense subgraphs of a given sparse graph. Within the main applications of this “dense subgraph problem”, the dense subg...
Jie Chen 0007, Yousef Saad
GIS
2008
ACM
16 years 5 months ago
Applying hierarchical graphs to pedestrian indoor navigation
In this paper we propose to apply hierarchical graphs to indoor navigation. The intended purpose is to guide humans in large public buildings and assist them in wayfinding. We sta...
Edgar-Philipp Stoffel, Hans Jürgen Ohlbach, K...