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 |
|---|---|---|---|---|
| 555 | On the Semantics of Updates in Databases | 1983 | PODS | 0.00020229919 |
| 2,203 | Update Semantics for Incomplete Databases | 1985 | VLDB | 9.2995519e-05 |
| 2,580 | On the Complexity of Propositional Knowledge Base Revision, Updates, and Counterfactuals | 1992 | PODS | 8.5008376e-05 |
| 4,494 | Non-Deterministic Languages to Express Deterministic Transformations | 1990 | PODS | 6.1363251e-05 |
| 12,898 | Knowledgebase Transformations | 1992 | PODS | 4.1905499e-05 |
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