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  Directional Type Checking for Logic Programs: Beyond Discriminative Types

Charatonik, W. (2000). Directional Type Checking for Logic Programs: Beyond Discriminative Types. In G. Smolka (Ed.), Proceedings of the 8th European Symposium on Programming (ESOP-00) (pp. 72-87). Berlin, Germany: Springer.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3424-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3426-F
Genre: Conference Paper

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 Creators:
Charatonik, Witold1, Author           
Affiliations:
1Programming Logics, MPI for Informatics, Max Planck Society, ou_40045              

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 Abstract: Directional types form a type system for logic programs which is based on the view of a predicate as a {\em directional procedure\/} which, when applied to a tuple of input terms, generates a tuple of output terms. It is known that directional-type checking wrt.\ arbitrary types is undecidable; several authors proved decidability of the problem wrt.\ discriminative regular types. In this paper, using techniques based on tree automata, we show that directional-type checking for logic programs wrt.\ general regular types is \dexptime-complete and fixed-parameter linear. The letter result shows that despite the exponential lower bound, the type system might be usable in practice.

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Language(s): eng - English
 Dates: 2010-03-122000
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 519750
Other: Local-ID: C1256104005ECAFC-7449ECDC219353DEC125685C00512676-Charatonik-ESOP00
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Title: Untitled Event
Place of Event: Berlin, Germany
Start-/End Date: 2000

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Title: Proceedings of the 8th European Symposium on Programming (ESOP-00)
Source Genre: Proceedings
 Creator(s):
Smolka, Gert, Editor
Affiliations:
-
Publ. Info: Berlin, Germany : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 72 - 87 Identifier: ISBN: 3-540-67262-1

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Title: Lecture Notes in Computer Science
Source Genre: Series
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Pages: - Volume / Issue: 1782 Sequence Number: - Start / End Page: - Identifier: -