A Multilevel Data Structure for Complex Hierarchies of Interrelated Data.

@inproceedings{DBLP:conf/sigmod/BracchiFS70,
  author    = {Giampio Bracchi and
               Domenico Ferrari and
               Marco Somalvico},
  title     = {A Multilevel Data Structure for Complex Hierarchies of Interrelated
               Data},
  booktitle = {Record of the 1970 ACM SIGFIDET Workshop on Data Description
               and Access, November 15-16, 1970, Rice University, Houston, Texas,
               USA (Second Edition with an Appendix)},
  publisher = {ACM},
  year      = {1970},
  pages     = {246-275},
  ee        = {db/conf/sigmod/BracchiFS70.html},
  crossref  = {DBLP:conf/sigmod/70},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

Copyright © 1970 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.

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