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On the first-order expressibility of recursive queries PROCEEDINGS ARTICLE published 29 March 1989 in Proceedings of the eighth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Hypertree decompositions and tractable queries PROCEEDINGS ARTICLE published May 1999 in Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
Rewriting aggregate queries using views PROCEEDINGS ARTICLE published May 1999 in Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
A crash course on database queries PROCEEDINGS ARTICLE published 11 June 2007 in Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
Similarity-based queries PROCEEDINGS ARTICLE published 22 May 1995 in Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Deciding equivalences among aggregate queries PROCEEDINGS ARTICLE published May 1998 in Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Why a single parallelization strategy is not enough in knowledge bases PROCEEDINGS ARTICLE published 29 March 1989 in Proceedings of the eighth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Numerical document queries PROCEEDINGS ARTICLE published 9 June 2003 in Proceedings of the twenty-second ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
A general datalog-based framework for tractable query answering over ontologies PROCEEDINGS ARTICLE published 29 June 2009 in Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
Test data for relational queries PROCEEDINGS ARTICLE published June 1985 in Proceedings of the fifth ACM SIGACT-SIGMOD symposium on Principles of database systems |
Beyond simple aggregates PROCEEDINGS ARTICLE published 13 June 2011 in Proceedings of the thirtieth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
Optimization of real conjunctive queries PROCEEDINGS ARTICLE published 1993 in Proceedings of the twelfth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '93 |
From statistical knowledge bases to degrees of belief PROCEEDINGS ARTICLE published 26 June 2006 in Proceedings of the twenty-fifth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
On the containment and equivalence of database queries with linear constraints (extended abstract) PROCEEDINGS ARTICLE published May 1997 in Proceedings of the sixteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Safety and correct translation of relational calculus formulas PROCEEDINGS ARTICLE published June 1987 in Proceedings of the sixth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Decomposing an N-ary relation into a tree of binary relations PROCEEDINGS ARTICLE published June 1987 in Proceedings of the sixth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |
Equivalence of nested queries with mixed semantics PROCEEDINGS ARTICLE published 29 June 2009 in Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
Queries determined by views PROCEEDINGS ARTICLE published 11 June 2007 in Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
XML with incomplete information PROCEEDINGS ARTICLE published 29 June 2009 in Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems |
A generalized transitive closure for relational queries PROCEEDINGS ARTICLE published March 1988 in Proceedings of the seventh ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems |