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 |
|---|---|---|---|---|
| 5,241 | On The Expressive Power Of The Extended Relational Algebra For The Unnormalized Relational Model | 1987 | PODS | 5.6057795e-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 |
|---|---|---|---|---|
| 93 | Remarks on the Algebra of Non First Normal Form Relations | 1982 | PODS | 0.00051290296 |
| 385 | Data Structures for an Integrated Data Base Management and Information Retrieval System | 1982 | VLDB | 0.00024765733 |
| 421 | Non First Normal Form Relations To Represent Hierarchically Organized Data | 1984 | PODS | 0.00023654912 |
| 485 | A New Approach to Database Logic | 1984 | PODS | 0.00022061287 |
| 581 | On An Algebra For Historical Relational Databases. Two Views | 1985 | SIGMOD | 0.00019765969 |
| 1,051 | A Normal Form for Nested Relations | 1985 | PODS | 0.00014421811 |
| 1,901 | On Line Processing Of Compacted Relations | 1982 | VLDB | 0.00010166949 |
| 2,747 | Determining When A Structure Is A Nested Relation | 1985 | VLDB | 8.1818958e-05 |
| 3,052 | Comprehensive Approach to the Design of Relational Database Schemes | 1984 | VLDB | 7.6485833e-05 |
| 5,692 | Weak Multivalued Dependencies+ | 1984 | PODS | 5.3686277e-05 |
| 7,102 | A Model for Integrated Information Systems | 1983 | VLDB | 4.8258564e-05 |
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| 12,543 | A Nested Relational Approach to Processing SQL Subqueries | 2005 | SIGMOD | 4.1905499e-05 |
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| 1,051 | A Normal Form for Nested Relations | 1985 | PODS | 0.00014421811 |
| 6,182 | The Design of non-1NF Relational Databases into Nested Normal Form | 1987 | SIGMOD | 5.1637091e-05 |
| 2,109 | A Recursive Algebra and Query Optimization for Nested Relations | 1989 | SIGMOD | 9.5283567e-05 |
| 2,747 | Determining When A Structure Is A Nested Relation | 1985 | VLDB | 8.1818958e-05 |