PSYCHO: a prototype system for pattern management
VLDB '05 Proceedings of the 31st international conference on Very large data bases
A model for managing collections of patterns
Proceedings of the 2007 ACM symposium on Applied computing
A unified framework for heterogeneous patterns
Information Systems
Flexible pattern management within PSYCHO
EDBT'06 Proceedings of the 2006 international conference on Current Trends in Database Technology
An XML-based database for knowledge discovery
EDBT'06 Proceedings of the 2006 international conference on Current Trends in Database Technology
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To represent and manage data mining patterns, several aspects have to be taken into account: (i) patterns are heterogeneous in nature; (ii) patterns can be extracted from raw data by using data mining tools (a-posteriori patterns) but also defined by the users and used for example to check how well they represent some input data source (a-priori patterns); (iii) since source data change frequently, issues concerning pattern validity and synchronization are very important; (iv) patterns have to be manipulated and queried according to specific languages. Several approaches have been proposed so far to deal with patterns, however all of them lack some of the previous characteristics. The aim of this paper is to present an overall framework to cope with all these features.