Literatura académica sobre el tema "Prédiction précise"
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Artículos de revistas sobre el tema "Prédiction précise"
Saucier, Jean-François, Odette Bemazzani, François Borgeat y Hélène David. "La contribution de variables sociales à la prédiction de la dépression postnatale". Santé mentale au Québec 20, n.º 2 (11 de septiembre de 2007): 35–57. http://dx.doi.org/10.7202/032352ar.
Texto completoUmutoni, C. y I. Ngaruye. "Prediction of Tea Production in Rwanda Using Data Mining Techniques". Agricultural and Food Science Journal of Ghana 15, n.º 1 (22 de marzo de 2023): 1631–40. http://dx.doi.org/10.4314/afsjg.v15i1.10.
Texto completoDedry, Laurent y Philippe Lejeune. "FORESTIMATOR : UN PLUGIN QGIS D’ESTIMATION DE LA HAUTEUR DOMINANTE ET DU SITE INDEX DE PEUPLEMENTS RESINEUX A PARTIR DE LIDAR AERIEN". Revue Française de Photogrammétrie et de Télédétection 1, n.º 211-212 (6 de diciembre de 2015): 119–27. http://dx.doi.org/10.52638/rfpt.2015.550.
Texto completoFétéké, Fousseni, Jérôme Perin, Adeline Fayolle, Kasso Dainou, Nils Bourland, Yao Lambert Kouadio, Serge Jean Joel Moneye et al. "MODÉLISER LA CROISSANCE DE QUATRE ESSENCES POUR AMÉLIORER LA GESTION FORESTIÈRE AU CAMEROUN". BOIS & FORETS DES TROPIQUES 325, n.º 325 (17 de julio de 2015): 5. http://dx.doi.org/10.19182/bft2015.325.a31269.
Texto completoHatt, M., C. Cheze-Le Rest, D. Visvikis y O. Pradier. "La définition précise des volumes métaboliques sur TEP au 18F-FDG avant traitement permet la prédiction de la réponse à la chimioradiothérapie dans les cancers de l’œsophage". Cancer/Radiothérapie 15, n.º 6-7 (octubre de 2011): 564. http://dx.doi.org/10.1016/j.canrad.2011.07.013.
Texto completoSuesser, Pierre. "Pour une attention préventive subtilement précoce". Regards croisés France-Québec, n.º 1 (5 de abril de 2012): 47–64. http://dx.doi.org/10.7202/1008638ar.
Texto completoKrebs, M. O. "Facteurs neurocognitifs de prédiction d’une transition psychotique". European Psychiatry 28, S2 (noviembre de 2013): 17–18. http://dx.doi.org/10.1016/j.eurpsy.2013.09.042.
Texto completoHeland, M. "Problématique de la gestion piscicole. Place de la recherche dans la conception d'une gestion rationnelle". Revue des sciences de l'eau 2, n.º 4 (12 de abril de 2005): 793–806. http://dx.doi.org/10.7202/705055ar.
Texto completoMillaud, F., R. Roy, P. Gendron y Et J. Aubut. "Un inventaire pour l'évaluation de la dangerosité des patients psychiatriques*". Canadian Journal of Psychiatry 37, n.º 9 (noviembre de 1992): 608–15. http://dx.doi.org/10.1177/070674379203700903.
Texto completoBeringer, Paul M., Annie Wong-Beringer y Jay P. Rho. "Predictive Performance of a Vancomycin–Aminoglycoside Population Model". Annals of Pharmacotherapy 32, n.º 2 (febrero de 1998): 176–81. http://dx.doi.org/10.1345/aph.17129.
Texto completoTesis sobre el tema "Prédiction précise"
Ben, Soussia Amal. "Analyse prédictive des données d’apprentissage, en situation d’enseignement à distance". Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0216.
Texto completoOver the past few decades, the adoption of e-learning has evolved rapidly and its use has been pushedeven further with the COVID-19 pandemic. The objective of this learning mode is to guarantee thecontinuity of the learning process. However, the online learning is facing several challenges, and themost widespread is the high failure rates among learners. This issue is due to many reasons such asthe heterogeneity of the learners and the diversity of their learning behaviors, their total autonomy, thelack and/or the inefficiency of the pedagogical provided follow-up. . .. Therefore, teachers need a systembased on analytical and intelligent methods allowing them an accurate and early prediction of at-risk offailure learners. This solution is commonly adopted in the state of the art. However, the work carried outdoes not respond to some particularities of the learning process (the continuity and evolution of learning,the diversity of learners and their total autonomy) and to some teachers expectations such as the alertgeneration.This thesis belongs to the field of learning analytics and uses the numeric traces of online learnersto design a predictive system (Early Warning Systems (EWS)) dedicated to teachers in online establish-ments. The objective of this EWS is to identify learners at risk as soon as possible in order to alertteachers about them. In order to achieve this objective, we have dealt with several sub-problems whichhave allowed us to elaborate four scientific contributions.We start by proposing an in-depth methodology based on the Machine Learning (ML) steps and thatallows the identification of four learning indicators among : performance, engagement, reactivity andregularity. This methodology also highlights the importance of temporal data for improving predictionperformance. In addition, this methodology allowed to define the model with the best ability to identifyat-risk learners.The 2nd contribution consists in proposing a temporal evaluation of the EWS using temporal metricswhich measure the precocity of the predictions and the stability of the system. From these two metrics,we study the trade-offs that exist between ML precision metrics and temporal metrics.Online learners are characterized by the diversity of their learning behaviors. Thus, an EWS shouldrespond to this diversity by ensuring an equitable functioning with the different learners profiles. Wepropose an evaluation methodology based on the identification of learner profiles and that uses a widespectrum of temporal and precision metrics.By using an EWS, teachers expect an alert generation. For this reason, we design an algorithm which,based on the results of the prediction, the temporal metrics and the notion of alert rules, proposes anautomatic method for alert generation. This algorithm targets mainly at-risk learners.The context of this thesis is the French National Center for Distance Education (CNED). In parti-cular, we use the numeric traces of k-12 learners enrolled during the 2017-2018 and 2018-2019 schoolyears
Wang, Zeya. "Robotisation de la fabrication additive par procédé arc-fil : Identification et amélioration de la commande". Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0068.
Texto completoAdditive manufacturing of metallic parts has gained significant popularity in recent years as an important technological solution for the production of complex parts. Among the different processes of metal additive manufacturing, the wire-arc additive manufacturing (WAAM) using CMT (Cold metal transfer) welding is taken for our study because of its high deposition rate, low cost of equipment and little loss of material (low spatter) during manufacturing. In the literature review, it can be noted that one of the most important problems that prevent the industrial application of the WAAM is the poor geometric accuracy of the manufactured parts due to the instability of the process and the lack of reliable control system to deal with irregularities during deposition. The focus of this work is to improve the stability and geometric performance of the process. In this work, an experimental system is implemented to robotize the process and to monitor the geometry of the deposited parts. The process is modeled by artificial neural networks and a control system is developed to regulate the geometry of the deposit and to reduce manufacturing errors. Furthermore, an improvement strategy is applied in order to reduce the geometric instabilities at the ends of the bead; an in-situ monitoring method is also developed to detect the internal defects of deposited parts
Bendifallah, Sofiane. "Prédiction et modélisation du risque dans le cancer de l'endomètre de stade précoce". Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066319.
Texto completoWith the abundance of new options in diagnostic and treatment modalities, a shift in the medical decision process for endometrial cancer has been observed. The emergence of individualized medicine and the increasing complexity of available medical data have lead to the development of prediction models. In endometrial cancer, those clinical models (algorithms, nomograms, and risk scoring systems) have been reported, for stratifying and subgrouping patients, with various unanswered questions regarding such things as the optimal surgical staging for lymph node metastasis as well as the assessment of recurrence and survival outcomes. Through this manuscript we developed the question of the risk stratification for recurrence at the population level and the probability of lymph node involvement estimation at an individual level in early stage endometrial cancer. This double approach was adopted with the aim to illustrate the interest of these tools in clinical practice. At the population level, we proposed: i) a comparison of the main international clinicopathological classifications ii) a new clinicopathological classification based on a pathological predictor iii) two risk stratification systems for recurrence and lymph node metastasis. At the individual level we developed: i) a reproducible methodology for external validation of predictive models, ii) a specific clinic pathological nomogram for lymph node metastasis. In the future, the emerging field of molecular or biochemical markers research may substantially improve the predictive approach for preventive and curative strategies in endometrial cancer
Portier, Eric. "Lien entre environnement de dépôt et diagenèse précoce : importance dans la prédiction des qualités réservoir". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS548.
Texto completoReservoir quality distribution in subsurface, within an aquifer, storage or a hydrocarbon bearing reservoir, is largely variable and hence, difficult to predict. This study focuses on the early diagenetic processes, which are considered as key in the next steps of the diagenesis of deeply buried reservoir. Based on the examples of sandstones deposited in glacial setting during Ordovician of a gas field in Algeria and tidal sandstones from a Permian formation in Australia, the objective is to show the role and control exerted by the depositional environment on early diagenesis, and especially the major role of sediment reworking to predict reservoir quality distribution. The studied reworking processes are responsible of clay incorporation into sand deposits, as clay coats around detrital gains or as pore linings. The nature of clay is then determinant in the diagenetic processes, as these coatings may enhance chemical compaction if illitic in nature, or reversely, may inhibit cementation and help preserving reservoir quality if they are made of ferrous chlorite. These reworkings are associated to fluid overpressure within the sediment in glacial settings, whilst they are associated to the permanent reworking of sands by tidal currents, enabling the agglomeration of clay flocs to detrital grains with biofilm elements acting as natural glue
Thériault, Sébastien. "Prédiction précoce du risque de diabète gestationnel : développement de modèles combinant facteurs cliniques et marqueurs biochimiques". Thesis, Université Laval, 2014. http://www.theses.ulaval.ca/2014/30778/30778.pdf.
Texto completoThis project aims to develop an early risk-prediction tool for gestational diabetes (GDM). This is a case-control study from a prospective cohort including 7929 pregnant women recruited between 2005 and 2010 in the Quebec City metropolitan area. External validation of four predictive models proposed in the literature allowed the identification of clinical variables (including past history of GDM, body mass index and family history of diabetes) performing particularly well for the prediction of GDM requiring insulin therapy. An original model combining some of these clinical variables with three readily available biochemical markers (HbA1c, SHBG and hsCRP measured between 14 and 17 weeks of gestation) yielded area under the ROC curve of 0.90 and sensitivity of 72% at a false-positive rate of 10%. This project allowed the identification of predictive factors for GDM available early in pregnancy, which could improve the management of high risk women.
Dubos, François. "Outils prédictifs pour la distinction précoce des méningites bactériennes et virales de l'enfant". Paris 6, 2010. http://www.theses.fr/2010PA066165.
Texto completoMessou, Kouassi Eugène. "Traitement antirétroviral de l'adulte infecté par le virus de l'immunodéficience humaine en Côte d'Ivoire : modification précoce et prédiction de l'échec". Bordeaux 2, 2008. http://www.theses.fr/2008BOR21584.
Texto completoIn sub-Saharan Africa, 2 milliion adults have already started antiretroviral treatment (ART). However, the number of patients needing urgent treatment or likely to need it in the future is estimated to be 3 times and 10 times higher, respectively. Clinical research must back up this historical challenge, identify the issues that ART in resource-limited settings specifically raises, and help innovate. Over the past 10 years, several pilot initiatives and then many large programs of access to care and treatment have brought about data on the early phase of ART in sub-Saharan Africa, ie the time just before ART initiation and the first year on ART. During this early phase : the rate of loss to follow-up is still too high, but the rate of treatment failure in patients who remain in care is low ; the spectrum of early morbidity on ART is similar to that off ART, though with IRIS being a specific additional issue to deal with during the first months of treatment ; and treatment regimen modification is mainly related to toxicity, though tuberculosis and pregnancy also frequently lead to nevirapine and efavirenz discontinuation. From the end of the first year of ART, virological failure emerges as a challenging issue in settings where plasma viral load cannot be measured. The CD4 count and the body mass index evolution at 6 months and 12 months are not predictive enough to become surrogates for virological outcomes. However, they are strongly associated with early viral load suppression, and further studies should assess whether they might become useful tools for helping decide when to switch to second-line regimen over a longer period of time
Girond, Florian. "Mise en place d’un système d’information géographique pour la détection précoce et la prédiction des épidémies de paludisme à Madagascar". Thesis, La Réunion, 2017. http://www.theses.fr/2017LARE0012/document.
Texto completoWe describe a Malaria Early Warning System (MEWS) using various epidemic thresholds and a forecasting component with the support of recent technologies to improve the performance of a sentinel MEWS. Malaria-related data from sentinel sites collected by Short Message Service are automatically stored in a database hosted on a server at Institut Pasteur de Madagascar. Concomitantly our system routinely and automatically acquires site specific satellite weather data related to changes in malaria prevalence such as temperature, rainfall and Normalized Difference Vegetation Index (NDVI). A Malaria Control Intervention data base has also been. This system has already demonstrated its ability to detect a malaria outbreak in southeastern part of Madagascar in 2014. In a second time, we conducted a study to assess the relationship between the effectiveness of mass campaign of long-lasting insecticidal nets (LLIN) over time and malaria outbreaks identified in Madagascar from 2009 to 2015 through the Sentinel surveillance system. This study showed that the difference between efficacy and effectiveness may result in gaps in service coverage during the subsequent years contributing to malaria rebound well before the replacement of the LLINs and highlights the need of continuous distribution mechanism of LLINs.This work aims to maximize the usefulness of a sentinel surveillance system to predict and detect epidemics in limited-resource environments, to guide any changes in the orientation of malaria control programs and to provide practical examples and suggestions for use in other systems or settings
Brunet, Sophie. "Incidence, facteurs prédictifs et physiopathologie du S. I. R. S. Sévère en postopératoire précoce de chirurgie cardiaque". Montpellier 1, 1996. http://www.theses.fr/1996MON11035.
Texto completoMatte-Landry, Alexandra. "Le retard de langage précoce : difficultés développementales concomitantes et à l'âge scolaire selon sa persistance". Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30032.
Texto completoThe present thesis focuses on children with early language delay (LD) at 18 months of age from a populationbased longitudinal study. It focuses on their co-occurring and school-age developmental difficulties according to LD persistence. First, a retrodictive approach was used to document motor development, sleep and psychosocial development in late-talkers to identify whether specific difficulties and/or their accumulation predict expressive LD persistence over and above initial language levels. Results showed that children with persistent LD accumulated developmental difficulties at 18 months of age whereas those with transient LD only had more oppositional behaviors than children with persistent LD and controls. These developmental difficulties seem to have a contribution to the development of expressive language but they do not predict LD persistence over and above the nature and the severity of early LD. The only unique predictor of persistence at 5 years of age was 18-month receptive vocabulary. Second, school-age language, academic and psychosocial outcomes of children with early LD were investigated according to LD persistence. We wanted to test empirically the hypothesis that children with transient LD had residual difficulties at school-age. Results showed that children with persistent LD accumulated language, academic and psychosocial difficulties up to Grade 6. Children with transient LD however had some psychosocial difficulties in the early school years. Thus, the hypothesis of an illusory recovery in children with transient LD was empirically supported only for psychosocial development. In sum, the results of this thesis showed that children with persistent LD have more co-occurring and schoolage developmental difficulties than those with typical language development. Difficulties were more severe or affected more developmental domains in children with persistent LD in comparison with children with transient LD. Moreover, early co-occurring developmental difficulties could help predict LD persistence at age 5. These results may suggest that children with persistent and transient LD belong to two distinct developmental trajectories underpinned by distinct developmental and etiological mechanisms. The implications of these results for the advancement of scientific knowledge and clinical practice are discussed in the conclusion.
Capítulos de libros sobre el tema "Prédiction précise"
de Cremoux, Patricia. "Marqueurs pronostiques et prédictifs des cancers du sein précoces". En Diagnostic et décision dans le cancer du sein à un stade précoce, 41–49. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0253-4_3.
Texto completoDugnat, Michel. "L'entretien prénatal précoce, un exemple concret de dilemme prévenance/prédiction en périnatalité". En Enfants turbulents : l'enfer est-il pavé de bonnes préventions ?, 189–211. Érès, 2008. http://dx.doi.org/10.3917/eres.colle.2008.01.0189.
Texto completoActas de conferencias sobre el tema "Prédiction précise"
Sicard, L. y R. Khonsari. "Conséquences dentaires de la dysjonction pterygo-maxillaire pendant les chirugies d’avancée fronto-faciale monobloc dans le traitement des syndromes de Crouzon". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602001.
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