On the Semantics of Theory Change: Arbitration between Old and New Information
Summary: Introduces arbitration as a third form of theory change—new information treated as an equal ‘voice’ among existing beliefs, making the operator commutative and distinct from revision/update. Gives postulates, a model-theoretic characterization for propositional theories, and a weighted-extension assigning weights to models. (summarized by gpt-5-mini on Feb 09 2026)
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| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 556 | On the Semantics of Updates in Databases | 1983 | PODS | 0.00020249905 |
| 2,197 | Update Semantics for Incomplete Databases | 1985 | VLDB | 9.3085358e-05 |
| 2,578 | On the Complexity of Propositional Knowledge Base Revision, Updates, and Counterfactuals | 1992 | PODS | 8.5091045e-05 |
| 4,491 | Non-Deterministic Languages to Express Deterministic Transformations | 1990 | PODS | 6.1422281e-05 |
| 12,888 | Knowledgebase Transformations | 1992 | PODS | 4.1945683e-05 |
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