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» On Graph Complexity
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ASP
2005
Springer
15 years 8 months ago
A New Algorithm for Answer Set Computation
A new exact algorithm for computing answer sets of logic programs is presented and analyzed. The algorithm takes a logic program in Kernel normal form as an input and computes its ...
Giuliano Grossi, Massimo Marchi
ASUNAM
2010
IEEE
15 years 4 months ago
COSI: Cloud Oriented Subgraph Identification in Massive Social Networks
Subgraph matching is a key operation on graph data. Social network (SN) providers may want to find all subgraphs within their social network that "match" certain query gr...
Matthias Bröcheler, Andrea Pugliese, V. S. Su...
COMPGEOM
2011
ACM
14 years 6 months ago
Minors in random and expanding hypergraphs
We introduce a new notion of minors for simplicial complexes (hypergraphs), so-called homological minors. Our motivation is to propose a general approach to attack certain extrema...
Uli Wagner
STOC
2007
ACM
134views Algorithms» more  STOC 2007»
16 years 3 months ago
Hardness of routing with congestion in directed graphs
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
Julia Chuzhoy, Venkatesan Guruswami, Sanjeev Khann...
ECOOP
2006
Springer
15 years 6 months ago
The Runtime Structure of Object Ownership
Object-oriented programs often require large heaps to run properly or meet performance goals. They use high-overhead collections, bulky data models, and large caches. Discovering t...
Nick Mitchell