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Dedico esta Tese aos meus queridos pais, Mauro e Jurema, pelo amor, apoio e incentivo irrestritos para benefício da minha formação como homem e como profissional, com compreensão e torcida para que meus ideais e sonhos concretizem-se; aos... more
Dedico esta Tese aos meus queridos pais, Mauro e Jurema, pelo amor, apoio e incentivo irrestritos para benefício da minha formação como homem e como profissional, com compreensão e torcida para que meus ideais e sonhos concretizem-se; aos... more
We present a framework for the certification of compilation and of compiled programs. Our approach uses a symbolic transfer functions-based representation of programs, so as to check that source and compiled programs present similar... more
The ferret cisplatin emesis model has been used for »30 years and enabled identiWcation of clinically used anti-emetics. We provide an objective assessment of this model including eYcacy of 5-HT 3 receptor antagonists to assess its... more
ion is intensively used in the verification of large, complex or infinite-state systems. With abstractions getting more complex it is often difficult to see whether they are valid. However, for using abstraction in model checking it has... more
The objective of this paper is to assess whether and to what extent the cost of patenting affects the demand for patents. The empirical analysis, which focuses on the patent systems of the USA, Japan, and Europe during the year 2003,... more
CompCert is the first commercially available optimizing compiler that is formally verified, using machine-assisted mathematical proofs, to be free from miscompilation. The executable code it produces is proved to behave exactly as... more
Objective: To cross-culturally adapt and test the FRAIL scale in Chinese community-dwelling older adults. Design: Cross-sectional study. Methods: The Chinese FRAIL scale was generated by translation and back-translation. An urban sample... more
In this paper, we are concerned by the elaboration of generic development steps for the code generation for synchronous languages. Our aim is to provide a correct by construction solution. For that purpose, we adopt a re nement-based... more
OBJETIVO: Traduzir, adaptar culturalmente e validar o "Knee Society Score" (KSS) para a língua portuguesa e verificar suas propriedades de medida, reprodutibilidade e validade. MÉTODO: Avaliados 70 pacientes de ambos os sexos, em estudo... more
Todos os autores declaram não haver nenhum potencial conflito de interesses referente a este artigo.
Objetivo: Traduzir, adaptar culturalmente e validar a nova versão da escala Knee Society Score-The 2011 KS Score-para a língua portuguesa e verificar suas propriedades de medida, reprodutibilidade e validade. Em 2012, a nova versão do... more
For many cryptographic protocols, security relies on the assumption that adversarial entities have limited computational power. This type of security degrades progressively over the lifetime of a protocol. However, some cryptographic... more
Tipo de Estudo: Estudo de Fiabilidade e Validação Nível de Evidência: II Declaração de conflito de interesses Este estudo teve o apoio da Fundação para a Ciência e Tecnologia (nº Bolsa: SFRH/BD/77633/2011).
The SSAPRE algorithm for performing partial redundancy elimination based entirely on SSA form is presented. The algorithm is formulated based on a new conceptual framework, the factored redundancy graph, for analyzing redundancy, and... more
CompCert is the first commercially available optimizing compiler that is formally verified, using machineassisted mathematical proofs, to be exempt from miscompilation. The executable code it produces is proved to behave exactly as... more
For many cryptographic protocols, security relies on the assumption that adversarial entities have limited computational power. This type of security degrades progressively over the lifetime of a protocol. However, some cryptographic... more
OBJETIVO: Realizar a tradução, adaptação cultural e validação do "Knee Outcome Survey- Activities of Daily Living Scale" (ADLS) para a língua portuguesa, bem como verificar suas propriedades de medida, reprodutibilidade e... more
This paper discusses the methodology and findings on the validity and reliability of the translation of Dimensions of the Learning Organization Questionnaire (DLOQ) into Turkish. The translation method was a five-step model including... more
Background Sensitivity determines the efficiency and quality of construction of an assessment measure, but studies of the subject are scarce in the literature. Objective To evaluate the longitudinal sensitivity of the AVVQ-Brazil to... more
ResumoContextoHá crescente interesse por instrumentos de avaliação em saúde produzidos e validados no mundo. Para sua utilização, é necessário realizar a tradução, a adaptação cultural e a validação ao idioma-alvo. No Brasil, existem... more
We present the Mobile Resource Guarantees framework: a system for ensuring that downloaded programs are free from run-time violations of resource bounds. Certificates are attached to code in the form of efficiently checkable proofs of... more
Evaluation of descriptive type questions automatically is an important problem. In this paper, we have concentrated on programing language course which is a core subject in CS discipline. In this paper, we have given a tool prototype... more
This paper aims to explain how to prepare a study project starting from literature evaluation and its critical analysis, how to choose study type as well as rating in levels according to Guidelines by AMB (Associação Médica Brasileira -... more
JavaScript is nowadays the lingua franca of web browsers. This programming language is not only the main tool that developers have to implement the client side of web applications, but it is also the target of frameworks such as Google... more
Medidas de avaliação de qualidade de vida e estados de saúde em ortopedia *
The design and implementation of static analyses that disambiguate pointers has been a focus of research since the early days of compiler construction. One of the challenges that arise in this context is the analysis of languages that... more
CompCert: A Journey through the Landscape of Mechanized Semantics for Verified Compilation (Keynote)
A formally verified compiler ensures that compilation does not introduce any bugs in programs. In the CompCert C compiler, this correctness property requires reasoning about realistic languages by using a semantic framework. This invited... more
The Gated Static Single Assignment (GSA) form was proposed by Ottenstein et al. in 1990, as an intermediate representation for implementing advanced static analyses and optimisation passes in compilers. Compared to SSA, GSA records... more
Loop fusion is a compiler optimization that merges the bodies of multiple loops into a single loop. Doing so in a serial program can reduce the loop overhead of the pro- gram as well as improve data locality and increase oppor- tunities... more
Objective: This work aimed to translate into Portuguese, make adaptations, and study the reproducibility, validation and internal consistency of the parameters of the "Manchester Foot-Pain Disability Index". Methods: The MFPDI was... more
Este artículo muestra los aspectos más importantes relacionados con la validación de escalas aplicadas en investigación en salud e ilustra los pasos de este proceso. En el artículo se discuten los conceptos relacionados con la selección... more
Objective: This work aimed to translate into Portuguese, make adaptations, and study the reproducibility, validation and internal consistency of the parameters of the "Manchester Foot-Pain Disability Index". Methods: The MFPDI was... more
Design exploration consists of analyzing several alternative implementations of the "same" function to determine the most desirable one. A fundamental question is whether an "implementation" is consistent with the high-level specification... more
Conclusion. We concluded that the Spanish language version evaluated in Colombia to be a valid clinical-report instrument with adequate psychometric properties.
Este artículo muestra los aspectos más importantes relacionados con la validación de escalas aplicadas en investigación en salud e ilustra los pasos de este proceso. En el artículo se discuten los conceptos relacionados con la selección... more
Optimism in conservation, and its potential impact on conservation practice, has been the focus of considerable recent attention. Dispositional optimism is the tendency to have positive expectations for the future, and previous research... more
ResumoContextoHá crescente interesse por instrumentos de avaliação em saúde produzidos e validados no mundo. Para sua utilização, é necessário realizar a tradução, a adaptação cultural e a validação ao idioma-alvo. No Brasil, existem... more
Design of critical embedded systems demands for guarantees on the reliability of the implementation/compilation of a specification. In general, this guarantee takes either the form of a certified compiler, or the validation of each... more
The polyhedral model provides techniques to optimize Static Control Programs (SCoP) using some complex transformations which improve data-locality and which can exhibit parallelism. These advanced transformations are now available in both... more
Compilers perform static analysis prior to applying an optimization. The analysis results are typically not very precise, however, as a compiler operates with a strict time budget, which constrains reasoning. In this paper, we explore a... more
In this paper, we are concerned by the elaboration of generic development steps for the code generation for synchronous languages. Our aim is to provide a correct by construction solution. For that purpose, we adopt a re nement-based... more
Behavioural equivalence checking of the refinements of the input behaviours taking place at various phases of synthesis of embedded systems or VLSI circuits is a well pursued field. Although extensive literature on equivalence checking of... more
A compiler optimization is sound if the optimized program that it produces is semantically equivalent to the input program. The proofs of semantic equivalence are usually tedious. To reduce the efforts required, we identify a set of... more
RESUMO-OBJETIVO. Realizar a tradução para o português e a adaptação cultural do instrumento Kidney Disease Quality of Life Short Form-KDQOL-SF TM para sua posterior validação no Brasil. MÉTODOS. O instrumento foi traduzido da versão... more