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An Analysis of Operation-Refinement in an Abortive Paradigm
2005
Electronical Notes in Theoretical Computer Science
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notion of refinement in Z) and the role of the semantic elements ⊥ in model-theoretic refinement, but this time in the abortive paradigm. ...
paradigm -this lays the foundations to a more intricate future investigation of data-refinement in this paradigm. ...
Acknowledgements This work has been influenced in its development by too many people to name explicitly. ...
doi:10.1016/j.entcs.2005.04.025
fatcat:cul2ifxrsffspjye7wobbywbme
Mixed-Initiative Control of a Roadable Air Vehicle for Non-Pilots
2015
Journal of Human-Robot Interaction
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A mixed-initiative control approach mitigates these vulnerabilities by integrating the operator into many complex control domains in the way that they often expect-flexibly in charge, aware, but not required ...
Military applications seek to combine the benefits of ground and air vehicles to maximize flexibility of movement but require that the operator have minimal pilot training. ...
Additionally, the authors would like to acknowledge the efforts of the research and development team that supported the development of the prototypes, the running of the experiments, and the analysis of ...
doi:10.5898/jhri.4.3.dorneich
fatcat:2aoq2xu265bxrinatlmlx2i4uq
A Tutorial Introduction to Designs in Unifying Theories of Programming
[chapter]
2004
Lecture Notes in Computer Science
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In their Unifying Theories of Programming (UTP), Hoare & He use the alphabetised relational calculus to give denotational semantics to a wide variety of constructs taken from different programming paradigms ...
We illustrate the ideas by applying them to theories of imperative programming, including Hoare logic, weakest preconditions, and the refinement calculus. ...
The presentation of conditional as an infix operator allows the formulation of many laws in a helpful way. ...
doi:10.1007/978-3-540-24756-2_4
fatcat:hhn335khb5gm3gnsrlnr3qt66y
Foundations for Model-Based Engineering of Systems of Systems
[chapter]
2014
Complex Systems Design & Management
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We describe the foundations of an approach in which architectural models in SysML may be analysed in a formal modelling language that has an extensible semantics given using the Unifying Theories of Programming ...
The engineering of Systems of Systems presents daunting challenges. ...
Acknowledgements The work described in the paper is supported by the Commission of the European Communities project Comprehensive Modelling for Advanced Systems of Systems (COM-PASS, grant agreement 287829 ...
doi:10.1007/978-3-319-02812-5_1
dblp:conf/csdm/FitzgeraldLW13
fatcat:76jhkkdhkjbhxbdtvaofjscphm
Program Derivation by Correctness Enhacements
2016
Electronic Proceedings in Theoretical Computer Science
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In this paper, we discuss a process of program derivation that replaces traditional sequence of refinement-based correctness-preserving transformations starting from specification R by a sequence of relative ...
correctness-based correctness-enhancing transformations starting from abort. ...
programs produce in violation of the specification (for non-deterministic programs); third we conduct a detailed analysis of the relations between relative correctness and the property of refinement. ...
doi:10.4204/eptcs.209.5
fatcat:4awxtwuo4bes7fjic56c5g6vye
Lazy Abstraction with Interpolants
[chapter]
2006
Lecture Notes in Computer Science
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On device driver benchmarks, we observe a speedup of up to two orders of magnitude relative to a similar tool using predicate abstraction. ...
We describe a model checker for infinite-state sequential programs, based on Craig interpolation and the lazy abstraction paradigm. ...
Acknowledgments Thanks to Daniel Kröning for providing the SATABS tool infrastructure used in this work, to Ranjit Jhala for help with Blast, and to the anonymous reviewers for useful comments and corrections ...
doi:10.1007/11817963_14
fatcat:c3kg5snflnbubkse2faesmajf4
Towards linking correctness conditions for concurrent objects and contextual trace refinement
2016
Electronic Proceedings in Theoretical Computer Science
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However, arguments about correctness are conducted with respect to an object in isolation. ...
Correctness conditions for concurrent objects describe how atomicity of an abstract sequential object may be decomposed. ...
of Filipović et al ...
doi:10.4204/eptcs.209.8
fatcat:itxz4crrfzgqddhnfuzs3z7erq
Optimistic parallelism requires abstractions
2007
SIGPLAN notices
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These insights have informed our design of the Galois system, an object-based optimistic parallelization system for irregular applications. ...
Automatic tools and techniques such as restructuring compilers and runtime speculative execution have failed to uncover much parallelism in these applications, in spite of a lot of effort by the research ...
Acknowledgments We would like to thank Khubaib Khubaib in our group for his measurements of Galois overhead, and Ramesh Peri and David Levinthal at Intel, Austin Division for their help with VTune. ...
doi:10.1145/1273442.1250759
fatcat:fzid5oftn5gfzjf44kiglymlym
Optimistic parallelism requires abstractions
2007
Proceedings of the 2007 ACM SIGPLAN conference on Programming language design and implementation - PLDI '07
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These insights have informed our design of the Galois system, an object-based optimistic parallelization system for irregular applications. ...
Automatic tools and techniques such as restructuring compilers and runtime speculative execution have failed to uncover much parallelism in these applications, in spite of a lot of effort by the research ...
Acknowledgments We would like to thank Khubaib Khubaib in our group for his measurements of Galois overhead, and Ramesh Peri and David Levinthal at Intel, Austin Division for their help with VTune. ...
doi:10.1145/1250734.1250759
dblp:conf/pldi/KulkarniPWRBC07
fatcat:r3vothk2pfhbbnw43lyeque754
Optimistic parallelism requires abstractions
2009
Communications of the ACM
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These insights have informed our design of the Galois system, an object-based optimistic parallelization system for irregular applications. ...
Automatic tools and techniques such as restructuring compilers and runtime speculative execution have failed to uncover much parallelism in these applications, in spite of a lot of effort by the research ...
Acknowledgments We would like to thank Khubaib Khubaib in our group for his measurements of Galois overhead, and Ramesh Peri and David Levinthal at Intel, Austin Division for their help with VTune. ...
doi:10.1145/1562164.1562188
fatcat:s6dnqbpgq5cejjpbzxtgeocjeu
Unifying Theories of Programming in Isabelle
[chapter]
2013
Lecture Notes in Computer Science
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We describe the theories of relations and of designs (pre-postcondition pairs), interspersed with their formalisation in Isabelle and example mechanised proofs. ...
This is a tutorial introduction to the two most basic theories in Hoare & He's Unifying Theories of Programming and their mechanisation in the Isabelle interactive theorem prover. ...
The presentation of conditional as an infix operator allows the formulation of many laws in a helpful way. ...
doi:10.1007/978-3-642-39721-9_3
fatcat:3vmc5hqjyjfsjlfeahg44yzy4e
Functional Magnetic Resonance Imaging and Optical Imaging for Dominant-hemisphere Perisylvian Arteriovenous Malformations
2004
Neurosurgery
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In this study, we developed an a priori system to stratify surgical intervention of perisylvian arteriovenous malformations (AVMs) in 20 patients. ...
CONCLUSION: We advocate the use of fMRI to assist in the preoperative determination of operability by asleep versus awake craniotomy versus radiosurgery referral. ...
paradigm and statistical analysis used, and variance in the venous drainage patterns of eloquent cortex (29) . ...
doi:10.1227/01.neu.0000137654.27826.71
pmid:15458588
fatcat:47npcid22jcgdfbyuoyqnlkadm
The specification logic νZ
2006
Formal Aspects of Computing
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The minimal core logic is extended to a more expressive specification logic which includes a schema calculus similar (but not equivalent) to Z, some new additional schema operators and extensions to a ...
where an earlier version of this material was presented. ...
We would like to acknowledge the support of the EPSRC RefineNet Network Grant (Ref: GR/S69979/02) in the development of this work, including comments from participants at the January 2004 meeting in Sheffield ...
doi:10.1007/s00165-006-0007-2
fatcat:cig37ymqlvb2bclbmimj6zqk7e
Closed Loop Deep Brain Stimulation for PTSD, Addiction, and Disorders of Affective Facial Interpretation: Review and Discussion of Potential Biomarkers and Stimulation Paradigms
2018
Frontiers in Neuroscience
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and Schizophrenia-all of which have a common feature of dysfunctional interpretation of facial affective clues. ...
Technological advances and improvements in circuit-based, individual-specific, real-time adaptable modulation, forecast functional neurosurgery treatments for heretofore treatment-resistant behavioral ...
cues would trigger an abortive stimulus ( Figure 2C) . ...
doi:10.3389/fnins.2018.00300
pmid:29780303
pmcid:PMC5945819
fatcat:kbt3igks2fg7lkgbr6arnfsk5m
On the failure of cognitive ability to predict myside and one-sided thinking biases
2008
Thinking and Reasoning
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Robust indications of myside bias were observed in all three experiments. ...
Two critical thinking skills-the tendency to avoid myside bias and to avoid one-sided thinking-were examined in three different experiments involving over 1200 participants and across two different paradigms ...
As a knowledge structure, it of course is available for an access ''call'' by serial production systems operating in System 2. ...
doi:10.1080/13546780701679764
fatcat:wykydhfzibeajjcqusggk7xhxq
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