Colored Nested Words

Author(s):  
Rajeev Alur ◽  
Dana Fisman
Keyword(s):  
2017 ◽  
Vol 253 ◽  
pp. 448-466 ◽  
Author(s):  
Manfred Droste ◽  
Stefan Dück

Author(s):  
Apurva Narayan ◽  
Nirmal Benann ◽  
Sebastian Fischmeister
Keyword(s):  

Author(s):  
Andreas Krebs ◽  
Nutan Limaye ◽  
Michael Ludwig
Keyword(s):  

2016 ◽  
Vol 27 (02) ◽  
pp. 235-257 ◽  
Author(s):  
Pierre-Alain Reynier ◽  
Jean-Marc Talbot

Visibly pushdown transducers (VPTs) are visibly pushdown automata extended with outputs. They have been introduced oto model transformations of nested words, i.e. words with a call/return structure. When outputs are also structured and well nested words, VPTs are a natural formalism to express tree transformations evaluated in streaming. We prove the class of VPTs with well-nested outputs to be decidable in PTIME. Moreover, we show that this class is closed under composition and that its type-checking against visibly pushdown languages is decidable.


Author(s):  
Rajeev Alur ◽  
Marcelo Arenas ◽  
Pablo Barcelo ◽  
Kousha Etessami ◽  
Neil Immerman ◽  
...  

Author(s):  
Michele Chiari ◽  
Dino Mandrioli ◽  
Matteo Pradella

AbstractThe problem of model checking procedural programs has fostered much research towards the definition of temporal logics for reasoning on context-free structures. The most notable of such results are temporal logics on Nested Words, such as CaRet and NWTL. Recently, the logic OPTL was introduced, based on the class of Operator Precedence Languages (OPL), more powerful than Nested Words. We define the new OPL-based logic POTL, and provide a model checking procedure for it. POTL improves on NWTL by enabling the formulation of requirements involving pre/post-conditions, stack inspection, and others in the presence of exception-like constructs. It improves on OPTL by being FO-complete, and by expressing more easily stack inspection and function-local properties. We developed a model checking tool for POTL, which we experimentally evaluate on some interesting use-cases.


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