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- Siegfried Nijssen, Joost N. Kok
- KDD
- 2004

Given a database, structure mining algorithms search for substructures that satisfy constraints such as minimum frequency, minimum confidence, minimum interest and maximum frequency. Examples ofâ€¦ (More)

- Yun Chi, Richard R. Muntz, Siegfried Nijssen, Joost N. Kok
- Fundam. Inform.
- 2004

Mining frequent subtrees from databases of labeled trees is a new research field that has many practical applications in areas such as computer netwo rks, Web mining, bioinformatics, XML documentâ€¦ (More)

- BjÃ¶rn Bringmann, Siegfried Nijssen
- PAKDD
- 2008

The standard, transactional setting of pattern mining assumes that data is subdivided in transactions; the aim is to find patterns that can be mapped onto at least a minimum number of transactions.â€¦ (More)

- Siegfried Nijssen, Joost N. Kok
- PKDD
- 2003

The upgrade of frequent item set mining to a setup with multiple relations â€”frequent query miningâ€” poses many efficiency problems. Taking Object Identity as starting point, we present severalâ€¦ (More)

Recently, an algorithm called Freqt was introduced which enumerates all frequent induced subtrees in an ordered data tree. We propose a new algorithm for mining unordered frequent induced subtrees.â€¦ (More)

- Tias Guns, Siegfried Nijssen, Luc De Raedt
- Artif. Intell.
- 2011

The field of data mining has become accustomed to specifying constraints on patterns of interest. A large number of systems and techniques has been developed for solving such constraint-based miningâ€¦ (More)

- Luc De Raedt, Tias Guns, Siegfried Nijssen
- KDD
- 2008

The relationship between constraint-based mining and constraint programming is explored by showing how the typical constraints used in pattern mining can be formulated for use in constraintâ€¦ (More)

- Siegfried Nijssen, Joost N. Kok
- IJCAI
- 2001

Several algorithms have already been implemented which combine association rules with first order logic formulas. Although this resulted in several usable algorithms, little attention was payed untilâ€¦ (More)

- Siegfried Nijssen, Joost N. Kok
- Electr. Notes Theor. Comput. Sci.
- 2005

Given a database of graphs, structure mining algorithms search for all substructures that satisfy constraints such as minimum frequency, minimum confidence, minimum interest and maximum frequency. Inâ€¦ (More)

- Tias Guns, Siegfried Nijssen, Luc De Raedt
- IEEE Transactions on Knowledge and Dataâ€¦
- 2013

We introduce the problem of k-pattern set mining, concerned with finding a set of k related patterns under constraints. This contrasts to regular pattern mining, where one searches for manyâ€¦ (More)