Most users at one time or another have dealt with hierarchical data in a SQL database and no doubt learned that the management of hierarchical data is not what a relational database is intended for. The tables of a relational database are not hierarchical
Whether you want to build your own forum, publish the messages from a mailing list on your Website, or write your own cms [1]: there will be a moment that you’ll want to store hierarchical data in a database. And, unless you’re using a XML [2]-like da
Agglomerative Hierarchical Clustering with Constraints: Theoretical and Empirical Results
Ian Davidson1 and S.S. Ravi1
(1) Department of Computer Science, University at Albany - State University of New York, Albany, NY 12222,
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