@inbook{977089e0b94111dca96e000ea68e967b,
title = "Hierarchy",
author = "Pedersen, {Torben Bach}",
note = "Professor Pedersen{\textquoteright}s entry on Hierarchy will soon be published in the Encyclopedia of Database Systems by Springer. The Encyclopedia, under the editorial guidance of Ling Liu and M. Tamer {\"O}zsu, will be a multiple volume, comprehensive, and authoritative reference on databases, data management, and database systems. Since it will be available in both print and online formats, researchers, students, and practitioners will benefit from advanced search functionality and convenient interlinking possibilities with related online content. The Encyclopedia{\textquoteright}s online version will be accessible on the platform SpringerLink. Click here (http://www.springer.com/computer/database+management+%26+information+retrieval/book/978-0-387-49616-0 ) for more information about the Encyclopedia of Database Systems. Torben Bach Pedersen, {"}Hierarchy,{"} Encyclopedia of Database Systems, Editors-in-chief: {\"O}zsu, M. Tamer; Liu, Ling , Springer, 2009. (print and online) (http://www.springer.com/computer/database+management+%26+information+retrieval/book/978-0-387-49616-0 )",
year = "2009",
language = "English",
isbn = "978-0-387-35544-3",
pages = "1308--1309",
editor = "Ling Liu and {\"O}zsu, {M. Tamer}",
booktitle = "Springer Encyclopedia of Database Systems",
publisher = "Springer",
address = "Germany",
edition = "2009",
}