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SIGMOD
2004
ACM
144views Database» more  SIGMOD 2004»
15 years 10 months ago
Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
GECCO
2005
Springer
113views Optimization» more  GECCO 2005»
15 years 3 months ago
Estimating the detector coverage in a negative selection algorithm
This paper proposes a statistical mechanism to analyze the detector coverage in a negative selection algorithm, namely a quantitative measurement of a detector set’s capability ...
Zhou Ji, Dipankar Dasgupta
FORMATS
2007
Springer
15 years 1 months ago
CSL Model Checking Algorithms for Infinite-State Structured Markov Chains
Jackson queueing networks (JQNs) are a very general class of queueing networks that find their application in a variety of settings. The state space of the continuous-time Markov c...
Anne Remke, Boudewijn R. Haverkort
PC
2000
100views Management» more  PC 2000»
14 years 9 months ago
Parallel optimisation algorithms for multilevel mesh partitioning
Three parallel optimisation algorithms for use in the context of multilevel graph partitioning for unstructured meshes are described. The first, interface optimisation reduces the...
Chris Walshaw, Mark Cross
EPS
1998
Springer
15 years 2 months ago
Evolutionary Algorithms for Vertex Cover
This paper reports work investigating various evolutionary approaches to vertex cover (VC), a well-known NP-Hard optimization problem. Central to each of the algorithms is a novel ...
Isaac K. Evans