Abstract
This demonstration showcases ProvSQL, an open-source module for the PostgreSQL database management system that adds support for computation of provenance and probabilities of query results. A large range of provenance formalisms are supported, including all those captured by provenance semirings, provenance semirings with monus, as well as where-provenance. Probabilistic query evaluation is made possible through the use of knowledge compilation tools, in addition to standard approaches such as enumeration of possible worlds and Monte-Carlo sampling. ProvSQL supports a large subset of non-aggregate SQL queries.
| Original language | English |
|---|---|
| Pages (from-to) | 2034-2037 |
| Number of pages | 4 |
| Journal | Proceedings of the VLDB Endowment |
| Volume | 11 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 1 Jan 2018 |
| Event | 44th International Conference on Very Large Data Bases, VLDB 2018 - Rio de Janeiro, Brazil Duration: 27 Aug 2018 → 31 Aug 2018 |
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