the form (i,/) < (k, l) where /" and k 1, meaning that the lowest common ancestor of and j is a proper descendant of the lowest common ancestor of k and l.
We present an algorithm for constructing a tree to satisfy a set of lineage constraints on common ancestors.
An algorithm for constructing a tree to satisfy a set of lineage constraints on common ancestors is presented and this algorithm is applied to synthesize a ...
We present an algorithm for constructing a tree to satisfy a set of lineage constraints on common ancestors.
Nov 14, 2013 · INFERRING A TREE FROM LOWEST COMMON ANCESTORS WITH AN APPLICATION TO THE OPTIMIZATION OF RELATIONAL EXPRESSIONS. 1 January 1978 ...
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Oct 24, 2012 · I have a copy of Aho, Sagiv, Szymanski, and Ullman's paper "Inferring a Tree from Lowest Common Ancestors with an Application to the ...
Inferring a tree from lowest common ancestors with an application to the optimization of relational expressions. SIAM J. Comput., 10 (1981), pp. 405-421.
In this paper, we prove strong polynomial-time inapproximability results for the problem of inferring a minimally resolved supertree from a given consistent set ...
Several papers describe linear time algorithms to preprocess a tree, such that one can answer subsequent nearest common ancestor queries in constant time.
Aho et al. Inferring a tree from lowest common ancestors with an application to the optimization of relational expressions. SIAM Journal on Computing. (1981).