Approximating clique and biclique problems
Journal of Algorithms
Engineering the compression of massive tables: an experimental approach
SODA '00 Proceedings of the eleventh annual ACM-SIAM symposium on Discrete algorithms
On bipartite and multipartite clique problems
Journal of Algorithms
Improving table compression with combinatorial optimization
SODA '02 Proceedings of the thirteenth annual ACM-SIAM symposium on Discrete algorithms
Compression of Sparse Matrices by Arithmetic Coding
DCC '98 Proceedings of the Conference on Data Compression
Using Column Dependency to Compress Tables
DCC '04 Proceedings of the Conference on Data Compression
Fully automatic cross-associations
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
Compressing large boolean matrices using reordering techniques
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Compression of sparse matrices by blocked Rice coding
IEEE Transactions on Information Theory
Hierarchical, Parameter-Free Community Discovery
ECML PKDD '08 Proceedings of the European conference on Machine Learning and Knowledge Discovery in Databases - Part II
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We introduce a novel invertible transform for two- dimensional data which has the objective of reordering the matrix so it will improve its (lossless) compression at later stages. The transform requires to solve a computationally hard problem for which a randomized algorithm is used. The inverse transform is fast and can be implemented in linear time in the size of the matrix. Preliminary experimental results show that the reordering improves the compressibility of digital images.