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,
D. Cai, X. He, Z. Li, W. Ma, und J. Wen. Proceedings of the 12th annual ACM international conference on Multimedia - MULTIMEDIA \textquotesingle04, ACM Press, (2004)
C. Lin, Y. Yu, J. Han, und B. Liu. Advances in Knowledge Discovery and Data Mining, Seite 222--229. Berlin, Heidelberg, Springer Berlin Heidelberg, (2010)
R. Campello, D. Moulavi, und J. Sander. Advances in Knowledge Discovery and Data Mining, Seite 160--172. Berlin, Heidelberg, Springer Berlin Heidelberg, (2013)
Z. Ling, und R. Wang. Proceedings of the 2007 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 4, Seite 1245-1248. Honolulu, HI, USA, (April 2007)
Z. Yang, D. Yang, C. Dyer, X. He, A. Smola, und E. Hovy. Proceedings of the 2016 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Seite 1480--1489. San Diego, California, Association for Computational Linguistics, (Juni 2016)