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Query Transformation for PSJ-queries

Summary: Query transformation for PSJ-queries: decide if a query can be computed from derived relations when both query and sources are PSJ-expressions. Contributions: PSJ-theory, reduced attribute mappings to prune search space, prototype PSJ-based transformation. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
7808
Venue
VLDB
Year
1987
Pagerank
0.00042322097
Overall Rank
138 | 99.05%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 29 of 29 citing papers.

Rank Citing Paper Year Venue Pagerank
82 Answering Queries Using Views (Extended Abstract) 1995 PODS 0.00054430106
127 Querying Heterogeneous Information Sources Using Source Descriptions 1996 VLDB 0.00044607231
179 Efficient and Extensible Algorithms for Multi Query Optimization 2000 SIGMOD 0.00037637319
218 Aggregate-Query Processing in Data Warehousing Environments 1995 VLDB 0.00033489004
288 Answering Queries Using Templates With Binding Patterns (Extended Abstract) 1995 PODS 0.00028885849
297 Complexity of Answering Queries Using Materialized Views 1998 PODS 0.00028572729
444 Semantic Data Caching and Replacement 1996 VLDB 0.0002303513
454 An Overview of Query Optimization in Relational Systems 1998 PODS 0.00022796106
533 Answering Recursive Queries Using Views 1997 PODS 0.00020767726
578 The GMAP: A Versatile Tool for Physical Data Independence 1994 VLDB 0.00019825485
583 Answering Queries with Aggregation Using Views 1996 VLDB 0.00019705383
728 Optimizing Queries Using Materialized Views: A Practical, Scalable Solution 2001 SIGMOD 0.00017459654
889 Data Integration: The Teenage Years 2006 VLDB 0.00015548507
971 Rewriting Aggregate Queries Using Views 1999 PODS 0.00014915911
976 Answering Queries Using Limited External Query Processors 1996 PODS 0.00014877501
1,155 A Scalable Algorithm for Answering Queries Using Views 2000 VLDB 0.00013606507
1,360 Data Warehouse Configuration 1997 VLDB 0.0001239983
1,620 Adapting Materialized Views after Redefinitions 1995 SIGMOD 0.00011112989
2,039 Views and Queries: Determinacy and Rewriting 2005 PODS 9.7059912e-05
2,214 Data Integration: After the Teenage Years 2017 PODS 9.2796408e-05
2,397 Query Rewriting for Semistructured Data 1999 SIGMOD 8.8888995e-05
2,398 Physical Data Independence, Constraints, and Optimization with Universal Plans 1999 VLDB 8.8871067e-05
2,539 Rewriting Queries Using Views in Description Logics 1997 PODS 8.5759464e-05
3,174 Query Containment for Data Integration Systems 2000 PODS 7.444226e-05
3,184 Expiring Data in a Warehouse 1998 VLDB 7.4249265e-05
4,650 A Chase Too Far? 2000 SIGMOD 6.0169723e-05
6,168 View Matching for Outer-Join Views 2005 VLDB 5.1709078e-05
6,884 Query Evaluation using Overlapping Views: Completeness and Efficiency 2006 SIGMOD 4.8917858e-05
7,857 On Views and XML 1999 PODS 4.6302986e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 4 of 4 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
89 Common Expression Analysis in Database Applications 1982 SIGMOD 0.00052299473
406 Global Query Optimization 1986 SIGMOD 0.00023989944
413 Computing Queries from Derived Relations 1985 VLDB 0.00023802724
927 Updating Derived Relations: Detecting Irrelevant and Autonomously Computable Updates 1986 VLDB 0.00015237571
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Overall Rank Paper Year Venue Pagerank
658 A Performance Analysis of View Materialization Strategies 1987 SIGMOD 0.00018566555
728 Optimizing Queries Using Materialized Views: A Practical, Scalable Solution 2001 SIGMOD 0.00017459654
6,210 From XML view updates to relational view updates: old solutions to a new problem 2004 VLDB 5.1506157e-05
7,987 The Equivalence of Solving Queries and Producing Tree Projections (Extended Abstract) 1986 PODS 4.6089395e-05
6,550 Rule-Based Translation of Relational Queries into Iterative Programs 1986 SIGMOD 5.0113524e-05
592 A Rule-Based View of Query Optimization 1987 SIGMOD 0.0001953183
1,455 Extending the Algebraic Framework of Query Processing to Handle Outerjoins 1984 VLDB 0.00011912375
1,366 The Tree Property Is Fundamental For Query Processing (Extended Abstract) 1982 PODS 0.00012375931
927 Updating Derived Relations: Detecting Irrelevant and Autonomously Computable Updates 1986 VLDB 0.00015237571
413 Computing Queries from Derived Relations 1985 VLDB 0.00023802724