Some Classes of Multilevel Relational Structures (Extended Abstract)
Summary: Characterizes reachability, permutability, and nesting-order existence for multilevel (nested) relational structures—lifting prior one-level restrictions—using set-family, multivalued-dependency and weak-MVD formulations. Gives polynomial-time algorithms to decide these nesting/unnesting problems. (summarized by gpt-5-mini on Feb 09 2026)
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Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 5,238 | On The Expressive Power Of The Extended Relational Algebra For The Unnormalized Relational Model | 1987 | PODS | 5.6109061e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 11 of 11 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 97 | Remarks on the Algebra of Non First Normal Form Relations | 1982 | PODS | 0.0005080702 |
| 384 | Data Structures for an Integrated Data Base Management and Information Retrieval System | 1982 | VLDB | 0.00024797165 |
| 422 | Non First Normal Form Relations To Represent Hierarchically Organized Data | 1984 | PODS | 0.00023677809 |
| 485 | A New Approach to Database Logic | 1984 | PODS | 0.00022085103 |
| 580 | On An Algebra For Historical Relational Databases. Two Views | 1985 | SIGMOD | 0.00019786623 |
| 1,052 | A Normal Form for Nested Relations | 1985 | PODS | 0.00014436103 |
| 1,898 | On Line Processing Of Compacted Relations | 1982 | VLDB | 0.00010175799 |
| 2,744 | Determining When A Structure Is A Nested Relation | 1985 | VLDB | 8.1896577e-05 |
| 3,047 | Comprehensive Approach to the Design of Relational Database Schemes | 1984 | VLDB | 7.6561027e-05 |
| 5,679 | Weak Multivalued Dependencies+ | 1984 | PODS | 5.3739358e-05 |
| 7,103 | A Model for Integrated Information Systems | 1983 | VLDB | 4.8304812e-05 |
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| 12,534 | A Nested Relational Approach to Processing SQL Subqueries | 2005 | SIGMOD | 4.1945683e-05 |
| 9,510 | Nested Relation Based Database Knowledge Representation | 1991 | SIGMOD | 4.3341665e-05 |
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| 1,052 | A Normal Form for Nested Relations | 1985 | PODS | 0.00014436103 |
| 6,180 | The Design of non-1NF Relational Databases into Nested Normal Form | 1987 | SIGMOD | 5.1686632e-05 |
| 2,110 | A Recursive Algebra and Query Optimization for Nested Relations | 1989 | SIGMOD | 9.5315487e-05 |
| 2,744 | Determining When A Structure Is A Nested Relation | 1985 | VLDB | 8.1896577e-05 |