15.7. Conclusion

In this chapter we presented a new data model, named XDM, based on XML and designed to be adopted inside the framework of inductive databases. We have presented a set of data-mining operations on data (classification, association rules extraction, and evaluation) and shown how these operations can be described and obtained using XDM to represent data and patterns.

The new model presents several positive features. It allows the contemporaneous representation of raw data and pattern data inside the inductive databases. It allows also the representation of several heterogeneous typologies of patterns, such as trees and association rules. Thanks to the semi-structured nature of the data that can be represented by XML, XDM also allows ...

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