The Hunt for a Red Spider: Conjunctive Query Determinacy Is Undecidable

Tomasz Gogacz; Jerzy Marcinkowski

doi:10.1109/LICS.2015.35

The Hunt for a Red Spider: Conjunctive Query Determinacy Is Undecidable

Tomasz Gogacz, Jerzy Marcinkowski

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We solve a well known, long-standing open problem in relational databases theory, showing that the conjunctive query determinacy problem (in its "unrestricted" version) is undecidable.

Original language	English
Title of host publication	Logic in Computer Science (LICS), 2015 30th Annual ACM/IEEE Symposium on
Publisher	Institute of Electrical and Electronics Engineers
Pages	281 - 292
Number of pages	12
ISBN (Print)	978-1-4799-8875-4
DOIs	https://doi.org/10.1109/LICS.2015.35
Publication status	Published - 2015

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10.1109/LICS.2015.35

1501.01817v2Accepted author manuscript, 242 KB

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7174889

Cite this

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title = "The Hunt for a Red Spider: Conjunctive Query Determinacy Is Undecidable",

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U2 - 10.1109/LICS.2015.35

DO - 10.1109/LICS.2015.35

M3 - Conference contribution

SN - 978-1-4799-8875-4

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EP - 292

BT - Logic in Computer Science (LICS), 2015 30th Annual ACM/IEEE Symposium on

PB - Institute of Electrical and Electronics Engineers

ER -

The Hunt for a Red Spider: Conjunctive Query Determinacy Is Undecidable

Abstract

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