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WWW
2009
ACM
16 years 7 months ago
Analysis of community structure in Wikipedia
We present the results of a community detection analysis of the Wikipedia graph. Distinct communities in Wikipedia contain semantically closely related articles. The central topic...
Dmitry Lizorkin, Olena Medelyan, Maria P. Grineva
STOC
2005
ACM
163views Algorithms» more  STOC 2005»
16 years 7 months ago
Undirected ST-connectivity in log-space
We present a deterministic, log-space algorithm that solves st-connectivity in undirected graphs. The previous bound on the space complexity of undirected st-connectivity was log4...
Omer Reingold
SIGMOD
2004
ACM
121views Database» more  SIGMOD 2004»
16 years 7 months ago
An Optimal Algorithm for Querying Tree Structures and its Applications in Bioinformatics
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
Hsiao-Fei Liu, Ya-Hui Chang, Kun-Mao Chao
ICCAD
2001
IEEE
101views Hardware» more  ICCAD 2001»
16 years 3 months ago
Instruction Generation for Hybrid Reconfigurable Systems
In this work, we present an algorithm for simultaneous template generation and matching. The algorithm profiles the graph and iteratively contracts edges to create the templates. ...
Ryan Kastner, Seda Ogrenci Memik, Elaheh Bozorgzad...
CALCO
2009
Springer
141views Mathematics» more  CALCO 2009»
16 years 1 months ago
Unfolding Grammars in Adhesive Categories
We generalize the unfolding semantics, previously developed for concrete formalisms such as Petri nets and graph grammars, to the setting of (single pushout) rewriting over adhesiv...
Paolo Baldan, Andrea Corradini, Tobias Heindel, Ba...