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A DBMS Prototype to Support Extended NF2 Relations: An Integrated View on Flat Tables and Hierarchies

Summary: Prototype DBMS for extended NF2 relations, unifying flat tables, lists, and hierarchies. Presents a logical model, a query language, and storage alternatives to implement generalized relations, evaluating integrated architecture to overcome drawbacks of external extensions. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
2321
Venue
SIGMOD
Year
1986
Pagerank
0.00029426313
Overall Rank
272 | 98.11%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 32 of 32 citing papers.

Rank Citing Paper Year Venue Pagerank
133 On Rules, Procedures, Caching And Views In Data Base Systems 1990 SIGMOD 0.00042757638
519 LDL: A Logic-Based Data-Language 1986 VLDB 0.00021154077
603 A Data Model and Query Language for EXODUS 1988 SIGMOD 0.00019351031
722 Object-Oriented Database Systems 1988 PODS 0.00017547917
974 The POSTGRES Data Model 1987 VLDB 0.00014896625
2,110 A Recursive Algebra and Query Optimization for Nested Relations 1989 SIGMOD 9.5315487e-05
2,426 Towards an Effective Calculus for Object Query Languages 1995 SIGMOD 8.8375297e-05
2,468 Supporting Flat Relations by a Nested Relational Kernel 1987 VLDB 8.7416405e-05
2,469 Updating Relational Databases through Object-Based Views 1991 SIGMOD 8.7346857e-05
2,553 Possibilities and Limitations of Using Flat Operators in Nested Algebra Expressions 1988 PODS 8.5500139e-05
2,561 Architecture and Implementation of the Darmstadt Database Kernel System 1987 SIGMOD 8.5400984e-05
2,724 Design and Implementation of an Extensible Database Management System Supporting User Defined Data Types and Functions 1988 VLDB 8.2303311e-05
3,079 Extended User-Defined Indexing with Application to Textual Databases 1988 VLDB 7.6037529e-05
3,334 A Grammar-Based Approach Towards Unifying Hierarchical Data Models (extended abstract) 1989 SIGMOD 7.2092618e-05
3,576 Closed World Databases Opened Through Null Values 1988 VLDB 6.9506798e-05
4,224 PRIMA - a DBMS Prototype Supporting Engineering Applications 1987 VLDB 6.3472736e-05
4,411 An Implementation for Nested Relational Databases 1988 VLDB 6.2071929e-05
5,168 A General Model for Version Management in Databases 1986 VLDB 5.6518215e-05
5,303 The Partial Normalized Storage Model of Nested Relations 1988 VLDB 5.5779667e-05
5,316 Nested Historical Relations 1989 SIGMOD 5.5720889e-05
5,602 An Object-Oriented Database System for Engineering Applications 1987 SIGMOD 5.414943e-05
5,873 Cooperative Object Buffer Management in the Advanced Information Management Prototype 1987 VLDB 5.2935142e-05
6,180 The Design of non-1NF Relational Databases into Nested Normal Form 1987 SIGMOD 5.1686632e-05
6,869 An Open Abstract-Object Storage System 1996 SIGMOD 4.9005143e-05
6,888 Sorting, Grouping and Duplicate Elimination in the Advanced Information Management Prototype 1989 VLDB 4.8936978e-05
6,950 Extending the Relational Algebra to Capture Complex Objects 1989 VLDB 4.8896442e-05
7,003 Support for Temporal Data by Complex Objects 1990 VLDB 4.8660476e-05
8,198 Elimination of Views and Redundant Variables in an SQL-like Database Language for Extended NF^2 Structures 1990 VLDB 4.5605849e-05
12,892 The Term Retrieval Abstract Machine 1992 SIGMOD 4.1945683e-05
12,928 Indexing in a Hypertext Database 1990 VLDB 4.1945683e-05
12,932 On Restructuring Nested Relations in Partitioned Normal Form 1990 VLDB 4.1945683e-05
12,980 Why Rose Is Fast: Five Optimizations In The Design Of An Experimental Database System For Cad/Cam Applications 1987 SIGMOD 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 6 of 6 cited papers.

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

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0040449103
97 Remarks on the Algebra of Non First Normal Form Relations 1982 PODS 0.0005080702
105 On Extending the Functions of a Relational Database System 1982 SIGMOD 0.00048691984
504 Designing DBMS Support for the Temporal Dimension 1984 SIGMOD 0.0002151017
740 Integration of Time Versions into a Relational Database System 1984 VLDB 0.00017373475
8,644 Selective Deferred Index Maintenance & Concurrency Control in Integrated Information Systems 1985 VLDB 4.4777268e-05
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