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Replication, refinement & reachability: complexity in dynamic condition-response graphs

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Replication, refinement & reachability: complexity in dynamic condition-response graphs. / Debois, Søren; Hildebrandt, Thomas T.; Slaats, Tijs.

In: Acta Informatica, 21.09.2017, p. 1-32.

Research output: Journal Article or Conference Article in JournalJournal articleResearchpeer-review

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@article{73adad41a37149c5b50c90e32dffd95f,
title = "Replication, refinement & reachability: complexity in dynamic condition-response graphs",
abstract = "We explore the complexity of reachability and run-time refinement under safety and liveness constraints in event-based process models. Our study is framed in the DCR? process language, which supports modular specification through a compositional operational semantics. DCR?encompasses the “Dynamic Condition Response (DCR) graphs” declarative process model for analysis, execution and safe run-time refinement of process-aware information systems;including replication of sub-processes. We prove that event-reachability and refinement are np-hard for DCR? processes without replication, and that these finite state processes recognise exactly the languages that are the union of a regular and an ω-regular language. Moreover, we prove that eventreachability and refinement are undecidable in general for DCR? processes with replication and local events, and we provide a tractable approximation for refinement. A prototype implementation of the DCR ⋆ language is available at http://dcr.tools/acta16",
author = "S{\o}ren Debois and Hildebrandt, {Thomas T.} and Tijs Slaats",
year = "2017",
month = sep,
day = "21",
doi = "10.1007/s00236-017-0303-8",
language = "English",
pages = "1--32",
journal = "Acta Informatica",
issn = "0001-5903",
publisher = "Springer",

}

RIS

TY - JOUR

T1 - Replication, refinement & reachability: complexity in dynamic condition-response graphs

AU - Debois, Søren

AU - Hildebrandt, Thomas T.

AU - Slaats, Tijs

PY - 2017/9/21

Y1 - 2017/9/21

N2 - We explore the complexity of reachability and run-time refinement under safety and liveness constraints in event-based process models. Our study is framed in the DCR? process language, which supports modular specification through a compositional operational semantics. DCR?encompasses the “Dynamic Condition Response (DCR) graphs” declarative process model for analysis, execution and safe run-time refinement of process-aware information systems;including replication of sub-processes. We prove that event-reachability and refinement are np-hard for DCR? processes without replication, and that these finite state processes recognise exactly the languages that are the union of a regular and an ω-regular language. Moreover, we prove that eventreachability and refinement are undecidable in general for DCR? processes with replication and local events, and we provide a tractable approximation for refinement. A prototype implementation of the DCR ⋆ language is available at http://dcr.tools/acta16

AB - We explore the complexity of reachability and run-time refinement under safety and liveness constraints in event-based process models. Our study is framed in the DCR? process language, which supports modular specification through a compositional operational semantics. DCR?encompasses the “Dynamic Condition Response (DCR) graphs” declarative process model for analysis, execution and safe run-time refinement of process-aware information systems;including replication of sub-processes. We prove that event-reachability and refinement are np-hard for DCR? processes without replication, and that these finite state processes recognise exactly the languages that are the union of a regular and an ω-regular language. Moreover, we prove that eventreachability and refinement are undecidable in general for DCR? processes with replication and local events, and we provide a tractable approximation for refinement. A prototype implementation of the DCR ⋆ language is available at http://dcr.tools/acta16

U2 - 10.1007/s00236-017-0303-8

DO - 10.1007/s00236-017-0303-8

M3 - Journal article

SP - 1

EP - 32

JO - Acta Informatica

JF - Acta Informatica

SN - 0001-5903

ER -

ID: 82437287