Dissertationen zum Thema „Synthèse de preuves“
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Potet, Marie-Laure. „Preuves et stratégies pour la synthèse déductive de programmes“. Phd thesis, Grenoble INPG, 1988. http://tel.archives-ouvertes.fr/tel-00329935.
Der volle Inhalt der QuelleVanzetto, Hernán. „Automatisation des preuves et synthèse des types pour la théorie des ensembles dans le contexte de TLA+“. Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0208/document.
Der volle Inhalt der QuelleThis thesis presents effective techniques for discharging TLA+ proof obligations to automated theorem provers based on unsorted and many-sorted first-order logic. TLA+ is a formal language for specifying and verifying concurrent and distributed systems. Its non-temporal fragment is based on a variant of Zermelo-Fraenkel set theory for specifying the data structures. The TLA+ Proof System TLAPS is an interactive proof environment in which users can deductively verify safety properties of TLA+ specifications. While TLAPS is a proof assistant that relies on users for guiding the proof effort, it generates proof obligations and passes them to backend verifiers to achieve a satisfactory level of automation. We developed a new back-end prover that soundly integrates into TLAPS external automated provers, specifically, ATP systems and SMT solvers. Two main components provide the formal basis for implementing this new backend. The first is a generic translation framework that allows to plug to TLAPS any automated prover supporting the standard input formats TPTP/FOF or SMT-LIB/AUFLIA. In order to encode higher-order expressions, such as sets by comprehension or total functions with domains, the translation to first-order logic relies on term-rewriting techniques coupled with an abstraction method. Sorted theories such as linear integer arithmetic are homomorphically embedded into many-sorted logic. The second component is a type synthesis algorithm for (untyped) TLA+ formulas. The algorithm, which is based on constraint solving, implements one type system for elementary types, similar to those of many-sorted logic, and an expansion with dependent and refinement types. The obtained type information is then implicitly exploited to improve the translation. Empirical evaluation validates our approach: the ATP/SMT backend significantly boosts the proof development in TLAPS
Özgün, Aybüke. „Evidence in Epistemic Logic : A Topological Perspective“. Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0200/document.
Der volle Inhalt der QuelleThis dissertation brings together epistemic logic and topology. It studies formal representations of the notion of evidence and its link to justification, justified belief, knowledge, and evidence-based information dynamics, by using tools from topology and (dynamic) epistemic logic. Part I is concerned with evidence-based interpretations of justified belief and knowledge. Starting with a by-now-standard topological interpretation of knowledge as the interior operator, we develop, in a gradual manner, a topological framework that (1) can talk about evidence not only semantically, but also at the syntactic level, thereby making the notion of evidence more explicit; (2) takes evidence as the most primitive notion, and defines belief and knowledge purely based on it, thereby linking these two crucial notions of epistemology at a deeper, more basic level. In Part II of this dissertation, we focus on notions of knowledge as well as various types of information dynamics comprising learning new evidence. More precisely, this part is centered around the notions of absolutely certain knowledge and know ability as "potential knowledge", as well as the connections between the abstract notion of epistemic effort encompassing any method of evidence acquisition and the well-studied dynamic attitudes such as public and arbitrary public announcements. To sum up, this dissertation on one hand re-interprets some existing epistemic and doxastic logics and their dynamic extensions from a topological perspective, providing an evidence-based interpretation. On the other hand, it uses topological tools to refine and extend earlier analysis, leading to novel logics of evidence and information dynamics
Wilson, Têtê Norbert. „Impact of physical activity on return to work after cancer diagnosis : an evidence-based approach“. Electronic Thesis or Diss., Angers, 2023. http://www.theses.fr/2023ANGE0063.
Der volle Inhalt der QuellePhysical activity (PA) is one of the leading supportive care programs recommended by several guidelines to improve most of cancer side effects experienced by cancer survivors, because of the strong evidence of its effectiveness on these health outcomes. However the evidence on the effectiveness of PA on return to work (RTW) in cancer survivors remains limited and unknown. In addition, it is unknown whether the recommendations from existing PA guidelines are applicable to RTW after cancer diagnosis. Therefore, the objective of this thesis was to evaluate the effects of PA programs or interventions on RTW in cancer survivors and provide evidence for the effectiveness of PA on RTW after a cancer diagnosis. To address the research question, we used evidence-based methodology (systematic review, meta-analysis, and rapid review). This thesis showed that PA programs are feasible and safe for cancer patients. We found that PA interventions have significant positive effects on RTW in cancer survivors. The dose of PA comprised between 7.6 and 15 METs.h/week, consisting of 100-120 minutes per week of moderate to vigorous intensity aerobic and resistance exercise, seem to be effective in improving RTW after cancer. In conclusion, this thesis provides moderate evidence on the effectiveness of PA interventions on RTW in cancer survivors. It also allowed us to estimate the dose of physical activity needed to improve RTW in cancer patients. Based on these findings, we proposed a guidance with practical protocols for prescribing and implementing PA programs to support RTW in breast cancer survivors
MULLER, SERGE. „Preuves de theoremes inductifs et synthese de programmes recursifs“. Nice, 1996. http://www.theses.fr/1996NICE5014.
Der volle Inhalt der QuelleManoury, Pascal, und Marianne Simonot. „Des preuves de totalite de fonctions comme synthese de programmes“. Paris 7, 1992. http://www.theses.fr/1992PA077262.
Der volle Inhalt der QuellePotet, Marie-Laure. „Preuves et stratégies pour la synthèse déductive de programmes“. Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376176703.
Der volle Inhalt der QuellePotet, Marie-Laure Jacquet Paul. „Preuves et stratégies pour la synthèse déductive de programmes“. S.l. : Université Grenoble 1, 2008. http://tel.archives-ouvertes.fr/tel-00329935.
Der volle Inhalt der QuelleParent, Catherine. „Synthese de preuves de programmes dans le calcul des constructions inductives“. Lyon, École normale supérieure (sciences), 1995. http://www.theses.fr/1995ENSL0002.
Der volle Inhalt der QuelleBsaïes, Khaled. „Construction de programmes logiques par synthèse de propriétés“. Nancy 1, 1993. http://www.theses.fr/1993NAN10295.
Der volle Inhalt der QuelleSicard, Pascal. „Nouvelles méthodes de synthèse logique“. Phd thesis, Grenoble INPG, 1988. http://tel.archives-ouvertes.fr/tel-00327269.
Der volle Inhalt der QuelleKessaci, Kamel. „Synthèse de circuits digitaux synchrones par transformations de programmes fonctionnels“. Toulouse, ENSAE, 1992. http://www.theses.fr/1992ESAE0007.
Der volle Inhalt der QuelleCORNES, CRISTINA. „Conception d'un langage de haut niveau de representation de preuves : recurrence par filtrage de motifs unification en presence de types inductifs primitifs synthese de lemmes d'inversion“. Paris 7, 1997. http://www.theses.fr/1997PA077193.
Der volle Inhalt der QuelleCréquit, Perrine. „Méta-analyse en réseau cumulative et dynamique“. Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB085.
Der volle Inhalt der QuelleSystematic reviews are essential tools to synthesize available evidence for therapeutic evaluation. Multiple treatments are now frequently available for a given condition. Patients and physicians want to know which one is the best among all treatments. Thus we need to retrieve and synthesize all available evidence across all treatments and furthermore to maintain it updated when new evidence and new treatments become available. Our objective was to evaluate the limits of the current ecosystem of evidence synthesis and to develop an alternative methodology. We have first assessed the capacity of systematic reviews to cover all available evidence of multiple treatments. We took the example of second-line treatments of advanced non-small cell lung cancer with EGFR wild-type or unknown status. We have shown that the 29 systematic reviews published in this condition up to 2015, considered collectively, failed to provide a complete and updated synthesis of all available evidence. Almost 40% of the 77 trials, of the 45 treatments, of the 54 treatment comparisons and of the 28,636 patients were always missing from systematic reviews. We have discussed the reasons why the ecosystem of evidence synthesis fails to encompass all available evidence. We then developed a new paradigm to synthesize evidence over time called live cumulative network meta-analysis. This new concept consists in switching from a series of standard meta-analyses to a single network meta-analysis covering all treatments and systematically updated as soon as the results of a new trial become available. Live cumulative network meta-analysis is initiated with a network meta-analysis which is iteratively updated. We have described the methodological steps, developed the protocol of a proof-of-concept study applied to second-line treatments of advanced non-small cell lung cancer. Finally, we have performed the initial network meta-analysis in this condition. We have included 98 trials including 34,179 patients and assessing 60 treatments. We have shown that nivolumab was more effective in term of overall survival compared to docetaxel HR=0.68 (IC95% 0.55-0.83), to pemetrexed HR=0.65 (0.5-0.83), to erlotinib HR=0.66 (0.51-0.84) and to gefitinib HR=0.65 (0.51-0.82). Similar results were found with pembrolizumab. In progression free survival, nivolumab had a more important treatment effect compared to the four recommended treatments. Live cumulative network meta-analysis should become a paradigmatic shift for systematic reviews and meta-analysis in order to improve medical decision making
Preuße, Friedrich-Alexander [Verfasser]. „Mutationen im PTS-Gen und mögliche Auswirkungen auf Funktion und Struktur der 6-Pyruvoyl-Tetrahydropterin-Synthase / vorgelegt von Friedrich-Alexander Preuße“. 2001. http://d-nb.info/972779612/34.
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