TY - BOOK AU - Aho,A.V. AU - Sagiv,Y. AU - Szymanski,T.G. AU - Ullman,J.D. TI - Inferring a tree from lowest common ancestors with an application to the optimization of relational expressions KW - TREE ALGORITHMS KW - LOWEST COMMON ANCESTORS KW - RELATIONAL DATABASES KW - RELATIONAL ALGEBRA KW - TABLEAUX KW - QUERY OPTIMIZATION KW - JOIN MINIMIZATION N2 - We present an algorithm for constructing a tree to satisfy a set of lineage constraints on common ancestors. We then apply this algorithm to synthesize a relational algebra expression from a simple tableau, a problem arising in the theory of relational databases UR - https://drive.google.com/file/d/1qufy9nwQYEXVo0wEMmjJPIk5_jze6zuH/view?usp=drivesdk ER -