STOC '94 Proceedings of the twenty-sixth annual ACM symposium on Theory of computing
The parameterized complexity of sequence alignment and consensus
Theoretical Computer Science
An integrated complexity analysis of problems from computational biology
An integrated complexity analysis of problems from computational biology
The Complexity of Some Problems on Subsequences and Supersequences
Journal of the ACM (JACM)
Theoretical Computer Science
Rank aggregation methods for the Web
Proceedings of the 10th international conference on World Wide Web
CIAA '00 Revised Papers from the 5th International Conference on Implementation and Application of Automata
Efficient similarity search and classification via rank aggregation
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Journal of Computer and System Sciences - Special issue on Parameterized computation and complexity
Parameterized Complexity Theory (Texts in Theoretical Computer Science. An EATCS Series)
Parameterized Complexity Theory (Texts in Theoretical Computer Science. An EATCS Series)
A fixed-parameter algorithm for the directed feedback vertex set problem
STOC '08 Proceedings of the fortieth annual ACM symposium on Theory of computing
Parameterized Complexity
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We introduce the Longest Compatible Sequence (Slcs) problem. This problem deals with p-sequences, which are strings on a given alphabet where each letter occurs at most once. The Slcs problem takes as input a collection of k p-sequences on a common alphabet L of size n, and seeks a p-sequence on L which respects the precedence constraints induced by each input sequence, and is of maximal length with this property. We investigate the parameterized complexity and the approximability of the problem. As a by-product of our hardness results for the Slcs problem, we derive new hardness results for the Longest Common Subsequence problem and other problems that are hard for the W-hierarchy.