INFERRING A TREE FROM LOWEST COMMON ANCESTORS WITH AN APPLICATION TO THE OPTIMIZATION OF RELATIONAL EXPRESSIONS.

A. V. Aho; Y. Sagiv; T. G. Szymanski; J. D. Ullman

INFERRING A TREE FROM LOWEST COMMON ANCESTORS WITH AN APPLICATION TO THE OPTIMIZATION OF RELATIONAL EXPRESSIONS.

A. V. Aho^*
, Y. Sagiv
, T. G. Szymanski
, J. D. Ullman

^*Corresponding author for this work

The Rachel and Selim Benin School of Engineering and Computer Science

Research output: Contribution to conference › Paper › peer-review

4 Scopus citations

Abstract

An algorithm is presented for constructing a tree to satisfy a set of lineage constraints on common ancestors. This algorithm is then applied to synthesize a relational algebra expression from a simple tableau, a problem arising from the theory of relational databases.

Original language	English
Pages	54-63
Number of pages	10
State	Published - 1978
Event	Proc Annu Allerton Conf Commun Control Comput 16th - Monticello, IL, USA Duration: 4 Oct 1978 → 6 Oct 1978

Conference

Conference	Proc Annu Allerton Conf Commun Control Comput 16th
City	Monticello, IL, USA
Period	4/10/78 → 6/10/78

Cite this

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title = "INFERRING A TREE FROM LOWEST COMMON ANCESTORS WITH AN APPLICATION TO THE OPTIMIZATION OF RELATIONAL EXPRESSIONS.",

abstract = "An algorithm is presented for constructing a tree to satisfy a set of lineage constraints on common ancestors. This algorithm is then applied to synthesize a relational algebra expression from a simple tableau, a problem arising from the theory of relational databases.",

author = "Aho, \{A. V.\} and Y. Sagiv and Szymanski, \{T. G.\} and Ullman, \{J. D.\}",

year = "1978",

language = "אנגלית",

pages = "54--63",

note = "Proc Annu Allerton Conf Commun Control Comput 16th ; Conference date: 04-10-1978 Through 06-10-1978",

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AU - Sagiv, Y.

AU - Szymanski, T. G.

AU - Ullman, J. D.

PY - 1978

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T2 - Proc Annu Allerton Conf Commun Control Comput 16th

Y2 - 4 October 1978 through 6 October 1978

ER -

INFERRING A TREE FROM LOWEST COMMON ANCESTORS WITH AN APPLICATION TO THE OPTIMIZATION OF RELATIONAL EXPRESSIONS.

Abstract

Conference

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