Efficient Updates to Independent Schemes in the Weak Instance Model
Summary: Weak instance model views the DB as a single global relation, enabling updates over arbitrary attribute sets via a lattice of legal states. For independent schemes, updates are computed efficiently by restricting to the relevant portion, avoiding the full chase on the whole database. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Paolo Atzeni
- 2. Riccardo Torlone
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Outgoing Citations (Sorted by Pagerank)
Showing 9 of 9 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 38 | Testing Implications Of Data Dependencies | 1979 | SIGMOD | 0.00075110004 |
| 58 | Efficient Optimization of a Class of Relational Expressions | 1978 | SIGMOD | 0.00064826446 |
| 135 | Can We Use The Universal Instance Assumption Without Using Nulls? | 1981 | SIGMOD | 0.00042421957 |
| 458 | Independent Database Schemas (Extended Abstract) | 1982 | PODS | 0.00022657396 |
| 1,196 | On Computing Restricted Projections of Representative Instances | 1985 | PODS | 0.00013403617 |
| 2,318 | Efficient Query Answering in the Representative Instance Approach | 1985 | PODS | 9.0400919e-05 |
| 6,168 | Optimal Computation of Total Projections with Unions of Simple Chase Join Expressions | 1984 | SIGMOD | 5.1716335e-05 |
| 12,937 | Updating Databases in the Weak Instance Model | 1989 | PODS | 4.1945683e-05 |
| 12,975 | A New Basis for the Weak Instance Model | 1987 | PODS | 4.1945683e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,939 | Updating a Relational Database through a Universal Schema Interface | 1985 | PODS | 5.8183127e-05 |
| 1,189 | Independence of Logic Database Queries and Updates | 1990 | PODS | 0.00013441514 |
| 5,841 | Constant Time Maintenance or The Triumph of the fd. | 1986 | PODS | 5.3039672e-05 |
| 1,849 | Improving Database Schemes by Adding Attributes | 1983 | PODS | 0.00010329397 |
| 8,403 | On Designing Database Schemes Bounded or Constant-time-maintainable with respect to Functional Dependencies | 1987 | PODS | 4.5234988e-05 |
| 12,975 | A New Basis for the Weak Instance Model | 1987 | PODS | 4.1945683e-05 |
| 12,986 | Independent Database Schemes Under Functional And Inclusion Dependencies | 1987 | VLDB | 4.1945683e-05 |
| 458 | Independent Database Schemas (Extended Abstract) | 1982 | PODS | 0.00022657396 |
| 9,012 | Querying Weak Instances | 1984 | PODS | 4.4096041e-05 |
| 12,937 | Updating Databases in the Weak Instance Model | 1989 | PODS | 4.1945683e-05 |