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Dissertations / Theses on the topic 'Formal methods (Computer science)'

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Published: 4 June 2021
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1

Tran, Sang Cong. "Applications of formal methods in engineering." Thesis, University of Warwick, 1991. http://wrap.warwick.ac.uk/60452/.

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The main idea presented in this thesis is to propose and justify a general framework for the development of safety-related systems based on a selection of criticality and the required level of integrity. We show that formal methods can be practically and consistently introduced into the system design lifecycle without incurring excessive development cost. An insight into the process of generating and validating a formal specification from an engineering point of view is illustrated, in conjunction with formal definitions of specification models, safety criteria and risk assessments. Engineerin
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2

Yao, Yow-Wei. "Formal methods for protocol conversion /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487693923198251.

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3

Lu, Yueping. "On the formal methods for protocol conformance testing." Thesis, University of Ottawa (Canada), 1990. http://hdl.handle.net/10393/5824.

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The use of formal methods allows automated generation and optimization of test sequences. Developing formal methods for generating communications protocol conformance tests has drawn considerable attention in recent years. This thesis describes the implementation of five formal methods of protocol conformance test sequence generation proposed in the literature. These methods are: Transition tour (T) method, Distinguishing sequence (D) method, Characterizing sequence (W) method, Unique Input/Output sequence (UIO) method and Multiple UIO-method. Some related graph theoretic optimization techniqu
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4

Ibrahim, Rosziati. "Formal methods applied to component-based systems." Thesis, Queensland University of Technology, 2000.

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5

Trafford, Paul Joseph. "The use of formal methods for safety-critical systems." Thesis, Kingston University, 1997. http://eprints.kingston.ac.uk/20609/.

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An investigation is presented into the use of formal methods for the production of safety-critical systems with embedded software. New theory and procedures are tested on an industrial case study, the formal specification and refinement of a communications protocol for medical devices (the Universal Flexport protocol [copyright]). On reviewing the current literature, a strong case emerges for grounding any work within an overall perspective that integrates the experience of safety engineering and the correctness of formal methods. Such a basis, it is argued, is necessary for an effective contr
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6

Joochim, Tossaporn. "Bringing requirements engineering to formal methods : timing diagrams for Event-B and KAOS." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/72396/.

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Event-B is a language for the formal development of reactive systems. At present the RODIN toolkit (RODIN, 2009) for Event-B is used for modelling requirements, specifying refinements and verification. In order to extend the ability to model graphically requirements for the real-time domain, where timing constraints are essential, we use Timing diagrams for Event-B, UML-B and Knowledge Acquisition in autOmated Specification (KAOS). The Timing diagrams, based on UML 2.0 Timing diagram notation (OMG, 2007), provide an intuitive graphical specification capability for timing constraints and causal
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Kim, Soon-Kyeong. "A metamodel-based approach to integrate object-oriented graphical and formal specification techniques /." St. Lucia, Qld, 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16467.pdf.

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8

Topintzi, Ermioni. "System concepts and formal modelling methods for business processes." Thesis, City University London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390937.

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9

Powell, John D. "A graph theoretic approach to assessing tradeoffs on memory usage for model checking." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1355.

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Thesis (M.S.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains vii, 167 p. : ill. Includes abstract. Includes bibliographical references (p. 107-109).
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10

Seotsanyana, Motlatsi. "Formal specification and verification of safety interlock systems : a comparative case study /." Thesis, Link to the online version, 2007. http://hdl.handle.net/10019/710.

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11

Shu, Guoqiang. "Formal Methods and Tools for Testing Communication Protocol System Security." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211333211.

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12

Shands, Deborah Ann. "A formal method for classifying distributed systems /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487854314871212.

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13

Gibson, J. Paul. "Formal object oriented development of software systems using LOTOS." Thesis, University of Stirling, 1993. http://hdl.handle.net/1893/24014.

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Formal methods are necessary in achieving correct software: that is, software that can be proven to fulfil its requirements. Formal specifications are unambiguous and analysable. Building a formal model improves understanding. The modelling of nondeterminism, and its subsequent removal in formal steps, allows design and implementation decisions to be made when most suitable. Formal models are amenable to mathematical manipulation and reasoning, and facilitate rigorous testing procedures. However, formal methods are not widely used in software development. In most cases, this is because they ar
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Nilsson, Marcus. "Regular model checking /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4793.

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15

Andrade-Gómez, Héctor Adolfo. "Model checking for open systems a compositional approach to software verification /." [Gainesville, Fla.] : University of Florida, 2001. http://purl.fcla.edu/fcla/etd/ank6403.

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Thesis (Ph. D.)--University of Florida, 2001.<br>Title from first page of PDF file. Document formatted into pages; contains xi, 144 p.; also contains graphics. Vita. Includes bibliographical references (p. 139-143).
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16

Lu, Yun. "Mapping Template Semantics to SMV." Thesis, University of Waterloo, 2004. http://hdl.handle.net/10012/1205.

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Template semantics is a template-based approach to describing the semantics of model-based notations, where a pre-defined template captures the notations' common semantics, and parameters specify the notations' distinct semantics. In this thesis, we investigate using template semantics to parameterize the translation from a model-based notation to the input language of the SMV family of model checkers. We describe a fully automated translator that takes as input a specification written in template semantics syntax, and a set of template parameters, encoding the specification's semanti
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Zaccai, Diego Sebastian. "A Balanced Verification Effort for the Java Language." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1461243619.

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18

Rubio, Medrano Carlos Ernesto. "A formal approach to specifying access control security features of Java modules." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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19

Turilli, Matteo. "Ethics and the practice of software design." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.711646.

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Kjellsson, Kenji. "Formal Methods in Verification of Interface and Bus Protocols." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177354.

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This master thesis is performed on behalf of the Swedish technology company Ericsson and is meant to evaluate the efficiency of an assertion-based Verification Intellectual Property (abVIP) against an already existing constrained random Verification Intellectual Property (crVIP). The abVIP is a verification entity which is connected with a predefined design and proves that the design is adhering to the specification properties through conditional checks, which uses mathematical proofs rather than prolonged simulation based input stimuli. A market research meant to cover the popularity of abVIP
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Salehi, Fathabadi Asieh. "An approach to atomicity decomposition in the Event-B formal method." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/340357/.

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Formal methods are mathematically based techniques and tools to model software and hardware systems. Event-B is a formal method that emerged over the last decade as an evolution of classical B. Event-B is supported by an open and extensible Eclipse-based tool-set, called Rodin. Rodin provides an integrated environment supporting the whole process of multi-stage modelling and handling of the associated proofs. Rodin extensibility is exploited by developing a number of plug-ins to extend the main platform capabilities. During recent years, Event-B and Rodin have been used to model some real-worl
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22

Kremer, Steve. "Modelling and analyzing security protocols in cryptographic process calculi." Habilitation à diriger des recherches, École normale supérieure de Cachan - ENS Cachan, 2011. http://tel.archives-ouvertes.fr/tel-00636769.

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In his habilitation theses Steve Kremer presents some selected research results in the area of formal analysis of security protocols. His contributions include application of formal methods to electronic voting protocols and security APIs, automated methods for verifying equivalence properties, compositional reasoning for security protocols and computational soundness results.
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Pino, Lou. "A formal method for modeling and analysis of requirements for software /." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69740.

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Requirements that are well understood by a client and a provider are a major contributor to developing and supporting reliable, quality software on time and within budget. This thesis has two thrusts to facilitate improved interpretation of requirements: (1) a requirements model and (2) a new formalism called LaP, with automated tools, to express and analyze requirements. The new formalism is based on the integration of an algebraic based language, Larch, and an extended finite state machine based language, Promela. Larch comes with a theorem prover (Larch Prover) and Promela comes with a tool
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Fruth, Matthias. "Formal methods for the analysis of wireless network protocols." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:df2c08f4-001c-42d3-a2f4-9922f081fb49.

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In this thesis, we present novel software technology for the analysis of wireless networks, an emerging area of computer science. To address the widely acknowledged lack of formal foundations in this field, probabilistic model checking, a formal method for verification and performance analysis, is used. Contrary to test and simulation, it systematically explores the full state space and therefore allows reasoning about all possible behaviours of a system. This thesis contributes to design, modelling, and analysis of ad-hoc networks and randomised distributed coordination protocols. First, we p
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John, Sheline Anna. "Runtime verification of composite web services." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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André, Amaury Bosso. "Verificação formal de workflows com spin." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/275795.

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Orientador: Jacques Wainer<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-16T22:50:12Z (GMT). No. of bitstreams: 1 Andre_AmauryBosso_M.pdf: 698462 bytes, checksum: 3a97278e3328845adbb26c7cb448204b (MD5) Previous issue date: 2010<br>Resumo: O gerenciamento de workflows é uma realidade atualmente, mas os sistemas atuais carecem de suporte à verificação de correção em modelos de workflow. Este trabalho visa a realização de verificações em processos, objetivando a detecção de erros sintáticos, como a existência de ati
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Palombo, Hernan Miguel. "A Comparative Study of Formal Verification Techniques for Authentication Protocols." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6008.

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Protocol verification is an exciting area of network security that intersects engineering and formal methods. This thesis presents a comparison of formal verification tools for security protocols for their respective strengths and weaknesses supported by the results from several case studies. The formal verification tools considered are based on explicit model checking (SPIN), symbolic analysis (Proverif) and theorem proving (Coq). We formalize and provide models of several well-known authentication and key-establishment protocols in each of the specification languages, and use the tools to fi
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Kong, Cindy. "Formal Methods Applied to the Specification of an Active Network Node." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin982104729.

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Vadaparty, Sirisha Lakshmi. "Semantic tableaux program." CSUSB ScholarWorks, 2006. https://scholarworks.lib.csusb.edu/etd-project/2953.

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This project created a program that takes predicate calculus formulas and creates a visual Semantic Tableaux truth tree, thereby proving or disproving a conclusion. Formal methods used in developing and verifying software and hardware are mathematically based techniques for describing and reasoning about system properties. Such formal methods provide frameworks within which people specify, develop, and verify systems in a systematic, rather than ad hoc, manner. Formal methods include the more specific activities of program specification, program verification and hardware verification.
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Kerfoot, Eric D. "Formal relationships in sequential object systems." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:63ed35ee-5ad5-4b8f-858d-fe3868700ed0.

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Formal specifications describe the behaviour of object-oriented systems precisely, with the intent to capture all properties necessary for correctness. Relationships between objects, and in a broader sense the relationship between whole components, may not be adequately captured by specifications. One critical component of specifications having a role in relationships are invariants which define a constraint between multiple objects. If an object's invariant relies on external objects for its conditions, correct operations which abide by their specifications modifying these external objects ma
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Roop, Parthasarathi Computer Science &amp Engineering Faculty of Engineering UNSW. "Forced simulation : a formal approach to component based development of embedded systems." Awarded by:University of New South Wales. School of Computer Science and Engineering, 2000. http://handle.unsw.edu.au/1959.4/20470.

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Application specific digital systems, called embedded systems, touch almost every aspect of modern human life. As a result, there is considerable interest in automating the design (called synthesis) of these systems. Further, given the time-to-market pressures and increasing system complexities, component reuse during synthesis is being touted as a key to success. This thesis proposes a formal framework for reusing system-level components during synthesis. Within the framework for component reuse, component matching is a key problem that must be addressed. Given the specification of a design
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Lagerkvist, Mikael Zayenz. "Machine Assisted Reasoning for Multi-Threaded Java Bytecode." Thesis, KTH, Electronic, Computer and Software Systems, ECS, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9512.

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<p>In this thesis an operational semantics for a subset of the Java Virtual Machine (JVM) is developed and presented. The subset contains standard operations such as control flow, computation, and memory management. In addition, the subset contains a treatment of parallel threads of execution.</p><p> </p><p>The operational semantics are embedded into a $µ$-calculus based proof assistant, called the VeriCode Proof Tool (VCPT). VCPT has been developed at the Swedish Institute of Computer Science (SICS), and has powerful features for proving inductive assertions.</p><p> </p><p>Some examples of pr
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Cabral, Glauber Módolo. "Criação de uma biblioteca padrão para a linguagem HasCASL." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/275798.

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Orientador: Arnaldo Vieira Moura<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-16T20:14:05Z (GMT). No. of bitstreams: 1 Cabral_GlauberModolo_M.pdf: 1025512 bytes, checksum: 7aaf4d32142384e7200596499be77cca (MD5) Previous issue date: 2010<br>Resumo: Métodos formais são ferramentas da Engenharia de Software que empregam formalismos matemáticos na construção de programas. Em geral, são compostos por uma ou mais linguagens de especificação e algumas ferramentas auxiliares. A linguagem de especificação algébrica Commo
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Campbell, Sherrie L. "ADEPT a tool to support the formal analysis of software design /." Oxford, Ohio : Miami University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1250195339.

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Gaither, Danielle. "Improving Software Quality through Syntax and Semantics Verification of Requirements Models." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1404542/.

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Software defects can frequently be traced to poorly-specified requirements. Many software teams manage their requirements using tools such as checklists and databases, which lack a formal semantic mapping to system behavior. Such a mapping can be especially helpful for safety-critical systems. Another limitation of many requirements analysis methods is that much of the analysis must still be done manually. We propose techniques that automate portions of the requirements analysis process, as well as clarify the syntax and semantics of requirements models using a variety of methods, including ma
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Krishna, Aneesh. "Practical methodologies for agent-oriented conceptual modelling." Access electronically, 2006. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060815.122954/index.html.

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Yeo, Chuohao 1979. "An investigation of methods for digital television format conversions." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/87302.

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Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.<br>Includes bibliographical references (p. 75-76).<br>by Chuohao Yeo.<br>M.Eng.and S.B.
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Fourie, Jean Francois. "Reducing communication in distributed model checking." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2176.

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Thesis (Msc (Mathematical Sciences. Computer Science))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Model checkers are programs that automatically verify, without human assistance, that certain user-specified properties hold in concurrent software systems. Since these programs often have expensive time and memory requirements, an active area of research is the development of distributed model checkers that run on clusters. Of particular interest is how the communication between the machines can be reduced to speed up their running time. In this thesis the design decisions invol
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Pamplin, Jason Andrew. "Formal Object Interaction Language: Modeling and Verification of Sequential and Concurrent Object-Oriented Software." unrestricted, 2007. http://etd.gsu.edu/theses/available/etd-04222007-205349/.

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Thesis (Ph. D.)--Georgia State University, 2007.<br>Title from file title page. Ying Zhu, committee chair; Xiaolin Hu, Geoffrey Hubona, Roy Johnson, Rajshekhar Sunderraman, committee members. Electronic text (216 p. : ill. (some col.)) : digital, PDF file. Description based on contents viewed Nov. 29, 2007. Includes bibliographical references (p. 209-216).
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Tadonki, Claude. "High Performance Computing as a Combination of Machines and Methods and Programming." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00832930.

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High Performance Computing (HPC) aims at providing reasonably fast computing solutions to both scientific and real life technical problems. Many efforts have indeed been made on the way to powerful supercomputers, both generic and customized configurations. However, whatever their current and future breathtaking capabilities, supercomputers work by brute force and deterministic steps, while human mind works by few strokes of brilliance. Thus, in order to take a significant advantage of hardware advances, we need powerful methods to solve problems together with highly skillful programming effor
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Piva, Fabio Rogério 1982. "Verificação formal de protocolos de trocas justas utilizando o metodo de espaços de fitas." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276154.

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Orientador: Ricardo Dahab<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-13T10:57:18Z (GMT). No. of bitstreams: 1 Piva_FabioRogerio_M.pdf: 1281624 bytes, checksum: 2d4f949b868d1059e108b1cd79314629 (MD5) Previous issue date: 2009<br>Resumo: Os protocolos de trocas justas foram propostos como solução para o problema da troca de itens virtuais, entre duas ou mais entidades, sem que haja a necessidade de confiança entre elas. A popularização da internet criou uma crescente classe de usuários leigos que diariamente par
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Nova, Luis. "A Formalization of an Extended Object Model Using Views." Thesis, University of Waterloo, 2000. http://hdl.handle.net/10012/1130.

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Reuse of software designs, experience and components is essential to making substantial improvements in software productivity, development cost, and quality. However, the many facets of reuse are still rarely used in the various phases of the software development lifecycle because of a lack of adequate theories, processes, and tools to support consistent application of reuse concepts. There is a need for approaches including definitions, models and properties of reuse that would provide explicit guidance to a software development team in applying reuse. In particular there is a need to
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Matias, Matthew John. "Program Verification of FreeRTOS using Microsoft Dafny." Cleveland State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=csu1400085349.

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Soares, Junior Jurandy Martins. "Teste de conformidade em contexto guiado por casos de teste do componente." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276102.

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Orientador: Ricardo de Oliveira Anido<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-10T11:44:38Z (GMT). No. of bitstreams: 1 SoaresJunior_JurandyMartins_M.pdf: 1209765 bytes, checksum: d8d6bebdcb7b65ed4a9fdb7e84508766 (MD5) Previous issue date: 2006<br>Resumo: Testar um subsistema embarcado em um sistema complexo, assumindo-se que os demais subsistemas são livres de falhas, é conhecido como teste de conformidade em contexto. A complexidade deste teste reside no fato do subsistema mais externo, conhecido como cont
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Pradalier, Sylvain. "A formal approach to the modeling, simulation and analysis of nano-devices." Phd thesis, Ecole Polytechnique X, 2009. http://tel.archives-ouvertes.fr/tel-00780567.

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Nano-devices are molecular machines synthesized from molecular subcomponents whose functions are combined in order to perform the func- tion of the machine. It frequently results of relative motions of subcomponents triggered by chemical events such as excitement induced by light, acidity or tem- perature changes. Thus the function consists in the transformation of a chemical event into a mechanical event. An important and characteristic feature of these devices is their intrinsic compositional nature. Therefore process-algebra for- malisms are natural candidates for their modeling. To this ai
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Ravalli, Gilbert, and gravalli@swin edu au. "Translation of on object role model schema into the formal language Z." Swinburne University of Technology, 2005. http://adt.lib.swin.edu.au./public/adt-VSWT20060502.130326.

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In the development of information systems for business, structured approaches are widely used in practice. Structured approaches provide a prescription and guidelines for how to go about the process of developing an information system, are relatively easy to learn and provide tools which are well suited to their task. However, the products of structured approaches are sometimes seen to be vague and imprecise since requirements are written using natural language or represented in the form of models which do not have a formal foundation. This vagueness or ambiguity can be the source of problems
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Kwan, Irwin. "On the Maintenance Costs of Formal Software Requirements Specification Written in the Software Cost Reduction and in the Real-time Unified Modeling Language Notations." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/1092.

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A formal specification language used during the requirements phase can reduce errors and rework, but formal specifications are regarded as expensive to maintain, discouraging their adoption. This work presents a single-subject experiment that explores the costs of modifying specifications written in two different languages: a tabular notation, Software Cost Reduction (SCR), and a state-of-the-practice notation, Real-time Unified Modeling Language (UML). The study records the person-hours required to write each specification, the number of defects made during each specification effort, and
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Qamar, Muhammad nafees. "Spécification et animation de modèles de conception de la sécurité avec Z." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00716404.

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L'écriture de spécifications pour des logiciels en général et en particulier pour des applications sécurisées demande de développer des techniques qui facilitent la détection et la prévention des erreurs de conception, dès les premières phases du développement. Ce besoin est motivé par les coûts et délais des phases de vérification et validation. De nombreuses méthodes de spécification, tant formelles qu'informelles ont été proposées et, comme nous le verrons dans cette thèse, les approches formelles donnent des spécifications de meilleure qualité.L'ingénierie des systèmes sécurisés propose l'
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Rogers, Jason Lee. "Secure distribution of open source information." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FRogers.pdf.

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Lei, Li. "Hardware/Software Interface Assurance with Conformance Checking." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2323.

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Abstract:
Hardware/Software (HW/SW) interfaces are pervasive in modern computer systems. Most of HW/SW interfaces are implemented by devices and their device drivers. Unfortunately, HW/SW interfaces are unreliable and insecure due to their intrinsic complexity and error-prone nature. Moreover, assuring HW/SW interface reliability and security is challenging. First, at the post-silicon validation stage, HW/SW integration validation is largely an ad-hoc and time-consuming process. Second, at the system deployment stage, transient hardware failures and malicious attacks make HW/SW interfaces vulnerable eve
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