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Abstract: The generally accepted optimization heuristics of pushing selections down does not yield optimal plans in the presence of expensive predicates. Therefore, several researchers have proposed algorithms to compute optimal processing trees for queries with expensive predicates. (Update)
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BibTeX entry: (Update)
W. Scheufele and G. Moerkotte. Efficient Dynamic Programming Algorithms for Ordering Expensive Joins and Selections. International Conference on Extending Data Base Technology, Valencia, Spain, March 1997. http://citeseer.ist.psu.edu/scheufele97efficient.html More
@article{ scheufele98efficient,
author = "Wolfgang Scheufele and Guido Moerkotte",
title = "Efficient Dynamic Programming Algorithms for Ordering Expensive Joins and Selections",
journal = "Lecture Notes in Computer Science",
volume = "1377",
pages = "201--??",
year = "1998",
url = "citeseer.ist.psu.edu/scheufele97efficient.html" }
Citations (may not include all citations):981 Principles of Database and Knowledge-Base Systems (context) - Ullman - 1989
154 Introduction to Algorithms (context) - Leiserson, Cormen et al. - 1990
88 Predicate migration: Optimizing queries with expensive predi.. - Hellerstein, Stonebraker - 1993
48 Query optimization in the presence of foreign functions - Chaudhuri, Shim - 1993
34 Rapid bushy join-order optimization with cartesian products - Vance, Maier - 1996
32 Optimization of queries with user-defined predicates - Chaudhuri, Shim - 1996
32 Optimization of queries with user-defined predicates - Chaudhuri, Shim - 1997
32 Practical predicate placement - Hellerstein - 1994
29 Towards an open architecture for LDL - Gamboa, Chimenti et al. - 1989
10 Theory and Algorithms (context) - Minoux - 1986
6 Efficient dynamic programming algorithms for ordering expens.. - Scheufele, Moerkotte - 1998
5 Optimization of boolean expressions in object bases (context) - Kemper, Moerkotte et al. - 1992
3 Monotonicity and the principle of optimality (context) - Morin - 1977
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