On efficient fixed-parameter algorithms for weighted vertex cover
Journal of Algorithms
Cluster graph modification problems
Discrete Applied Mathematics - Discrete mathematics & data mining (DM & DM)
Graph-Modeled Data Clustering: Exact Algorithms for Clique Generation
Theory of Computing Systems
Deterministic algorithms for rank aggregation and other ranking and clustering problems
WAOA'07 Proceedings of the 5th international conference on Approximation and online algorithms
Parameterized algorithms for HITTING SET: the weighted case
CIAC'06 Proceedings of the 6th Italian conference on Algorithms and Complexity
Improved parameterized upper bounds for vertex cover
MFCS'06 Proceedings of the 31st international conference on Mathematical Foundations of Computer Science
Applying modular decomposition to parameterized bicluster editing
IWPEC'06 Proceedings of the Second international conference on Parameterized and Exact Computation
The cluster editing problem: implementations and experiments
IWPEC'06 Proceedings of the Second international conference on Parameterized and Exact Computation
Kernels: annotated, proper and induced
IWPEC'06 Proceedings of the Second international conference on Parameterized and Exact Computation
Finding odd cycle transversals
Operations Research Letters
Efficient parameterized preprocessing for cluster editing
FCT'07 Proceedings of the 16th international conference on Fundamentals of Computation Theory
Kernelization algorithms for d-hitting set problems
WADS'07 Proceedings of the 10th international conference on Algorithms and Data Structures
A more effective linear kernelization for Cluster Editing
ESCAPE'07 Proceedings of the First international conference on Combinatorics, Algorithms, Probabilistic and Experimental Methodologies
Iterative Compression and Exact Algorithms
MFCS '08 Proceedings of the 33rd international symposium on Mathematical Foundations of Computer Science
Iterative Compression for Exactly Solving NP-Hard Minimization Problems
Algorithmics of Large and Complex Networks
Fixed-parameter tractability results for feedback set problems in tournaments
Journal of Discrete Algorithms
Iterative compression and exact algorithms
Theoretical Computer Science
Separator-based data reduction for signed graph balancing
Journal of Combinatorial Optimization
A 2k Kernel for the cluster editing problem
COCOON'10 Proceedings of the 16th annual international conference on Computing and combinatorics
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We initiate the first systematic study of the NP-hard CLUSTER VERTEX DELETION (CVD) problem (unweighted and weighted) in terms of fixed-parameter algorithmics. In the unweighted case, one searches for a minimum number of vertex deletions to transform a graph into a collection of disjoint cliques. The parameter is the number of vertex deletions. We present efficient fixed-parameter algorithms for CVD. Our iterative compression algorithm for CVD seems to be the first nontrivial application of this fairly new technique to a problem that is not a feedback set problem. Moreover, we study the variant of CVD where the number of cliques to be generated is specified. Here, we detect connections to fixed-parameter algorithms for (weighted) VERTEX COVER.