Horn Tables - An Efficient Tool For Handling Incomplete Information In Databases
Summary: Introduces Horn tables, an incomplete-information representation closed under total dependencies so dependency-driven completion stays within the Horn-table fragment. Characterizes complexity of certain/possible answers, shows positive-existential queries are PTIME (data complexity), and gives bounds for computing completions. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 4 of 4 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 103 | ULDBs: Databases with Uncertainty and Lineage | 2006 | VLDB | 0.00049520051 |
| 468 | MauveDB: Supporting Model-based User Views in Database Systems | 2006 | SIGMOD | 0.00022407392 |
| 3,146 | Handling Infinite Temporal Data | 1990 | PODS | 7.4837887e-05 |
| 3,509 | Consensus Answers for Queries over Probabilistic Databases | 2009 | PODS | 7.0283775e-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 |
|---|---|---|---|---|
| 7 | Extending the Data Base Relational Model to Capture More Meaning | 1979 | SIGMOD | 0.0015464728 |
| 823 | On the Representation and Querying of Sets of Possible Worlds | 1987 | SIGMOD | 0.00016225326 |
| 1,167 | On Computing Restricted Projections of Representative Instances | 1985 | PODS | 0.0001354084 |
| 2,776 | On The Integrity Of Databases With Incomplete Information | 1986 | PODS | 8.1371926e-05 |
| 3,503 | Dependency Satisfaction in Databases with Incomplete Information | 1984 | VLDB | 7.0332465e-05 |
| 3,562 | Incomplete Information and Dependencies in Relational Databases | 1983 | SIGMOD | 6.9690605e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 637 | The Representation and Deductive Retrieval of Complex Objects | 1985 | VLDB | 0.00018812264 |
| 4,251 | Hypothetical Datalog: Negation and Linear Recursion | 1989 | PODS | 6.3149914e-05 |
| 12,808 | Normalizing Incomplete Databases | 1995 | PODS | 4.1905499e-05 |
| 14,272 | Completeness Information and Its Application to Query Processing | 1986 | VLDB | - |
| 2,331 | Obtaining Complete Answers from Incomplete Databases | 1996 | VLDB | 9.019917e-05 |
| 12,980 | Computing Facts In Non-Horn Deductive Systems. | 1988 | VLDB | 4.1905499e-05 |
| 359 | On the Power of Magic | 1987 | PODS | 0.00025830228 |
| 1,049 | Safety of Recursive Horn Clauses With Infinite Relations | 1987 | PODS | 0.00014426218 |
| 823 | On the Representation and Querying of Sets of Possible Worlds | 1987 | SIGMOD | 0.00016225326 |
| 2,715 | Query Processing in Deductive Databases with Incomplete Information | 1986 | SIGMOD | 8.2411079e-05 |