On the Efficiency of Checking Perfect Privacy
Summary: Shows that checking perfect privacy (whether answered query QV leaks information about secret QS) is Pi^p_2-complete in general but tractable for large, practical subclasses of conjunctive queries. Key idea: reduce perfect-privacy checking to query containment, transferring containment complexity/algorithms to privacy enforcement and unifying tractability results. (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 5 of 5 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,509 | Privacy Skyline: Privacy with Multidimensional Adversarial Knowledge | 2007 | VLDB | 6.1270304e-05 |
| 6,510 | Efficient Auditing For Complex SQL queries | 2011 | SIGMOD | 5.0326078e-05 |
| 12,094 | On Scaling Up Sensitive Data Auditing | 2013 | VLDB | 4.1945683e-05 |
| 12,196 | Whodunit: An Auditing Tool for Detecting Data Breaches | 2011 | VLDB | 4.1945683e-05 |
| 12,476 | Materialized Views in Probabilistic Databases | 2007 | VLDB | 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 |
|---|---|---|---|---|
| 235 | An Authorization Mechanism for a Relational Data Base System | 1976 | SIGMOD | 0.00031992425 |
| 407 | Conjunctive-Query Containment and Constraint Satisfaction | 1998 | PODS | 0.00024004562 |
| 1,083 | A Formal Analysis of Information Disclosure in Data Exchange | 2004 | SIGMOD | 0.00014210752 |
| 2,577 | Simulatable Auditing | 2005 | PODS | 8.5099821e-05 |
| 4,048 | On the Complexity of the Containment Problem for Conjunctive Queries with Built-in Predicates | 1998 | PODS | 6.4968603e-05 |
| 7,598 | Polynomial-time program transformations in deductive databases | 1990 | PODS | 4.7004867e-05 |
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