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Academic literature on the topic 'Internautes – Attitude – Modèles mathématiques'
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Dissertations / Theses on the topic "Internautes – Attitude – Modèles mathématiques"
Mongy, Sylvain. "Modélisation et analyse du comportement des utilisateurs exploitant des données vidéo." Electronic Thesis or Diss., Lille 1, 2008. http://www.theses.fr/2008LIL10073.
Full textOur work proposes to analyze users' behavior using video data. Our objective is to contribute understanding how and why users view each video sequence. We present an approach combining intra-video and inter-video behavior analysis. The intra-video level represents the viewing of a video sequence. The inter-video level represents the sessions (linkage between videos viewed by users). An intra-video behavior is defined by a Markov model built using the actions performed during viewings. We cluster these behavior with a new method derived from K-Means adapted to the use of Models (K-Models). We then characteriz several typical behaviors that allows to estimate the level of interest of each video. An inter-video behavior is defined by a session. This session is an ordered sequence of viewings performed by the users. ln order to cluster these sessions, we propose a hierarchical technique, representing clusters by a set of common subsequences enriched by intra-video behaviors. Results from test sets allow to identify observed behaviors and to conclude on the interest of the videos. We also propose a framework on how to integrate our approach in a search engine in order to detect indexing errors and to propose altemate searches to the users
Mongy, Sylvain. "Modélisation et analyse du comportement des utilisateurs exploitant des données vidéo." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2008. http://tel.archives-ouvertes.fr/tel-00842718.
Full textBillot, Antoine. "Préférence imprécise et équilibres économiques : une analyse axiomatique." Dijon, 1988. http://www.theses.fr/1988DIJOE005.
Full textAlbert, Christophe. "De l'influence des préférences des consommateurs sur l'innovation dans les modèles de croissance endogène." Paris 1, 1999. http://www.theses.fr/1999PA010066.
Full textBressoud, Étienne. "De l'intention d'achat au comportement : essais de modélisations incluant variables attitudinales, intra-personnelles et situationnelles." Paris 1, 2001. https://tel.archives-ouvertes.fr/tel-00303679.
Full textRulleau, Bénédicte. "Services récréatifs en milieu naturel littoral et évaluation économique multi-attributs de la demande." Bordeaux 4, 2008. http://www.theses.fr/2008BOR40036.
Full textRecreational services provided by the natural environment are hightly heterogenous and most of them are non market. For management and policy making purpose however, it is useful to fully appreciate preferences for forests attributes and give a monetary value for outdoor recreation. This study aims at contributing to the debate on the economic value of outdoor recreation demand in multidimensional contexts. It exemines the contributions of multi-attribute methods that come from Lancaster's characteristicss approach. More precisely, we focus on the Multiple Programmes Contingent Valuation Method (MPCVM) and on Choise Experiments (CE). These relatively new approaches aim at differentiating recreaction by relevant attributes in order to examine the consequences of multidimensional changes in their provision and to identify visitor's trade'offs between attributes. We propose here an application to Stated-owned coastal sites in the Gironde area (Southwest France), where three adjoining wilderness areas (the ocean, the sand and the forest) form one sole site. A survey was conducted in summer 2006 on tourists and main and secondary residents. The MPCVM studies any "substitution effect" the may be between the programmes (recreational quality of natural areas). It also allows for the calculation of visitors' Willingness-To-Pay. The CE is applied to forest recreation. It identifies the relative influence of an attribute on visit choice. Finally, these methods raise several questions about the formulation of individual choices and about the inclusion of these choices in the valuation process
Hérault, Stéphanie. "Étude des processus de formation de l'attitude envers la marque : un essai de modélisation intégrant une variable psychologique, la confiance en soi : une application en situation de pré-test publicitaire pour des produits de grande consommation." Paris 1, 1999. http://www.theses.fr/1999PA010065.
Full textSolal, Philippe. "Interaction et information : une contribution à la théorie des jeux évolutionnaires." Saint-Etienne, 1999. http://www.theses.fr/1999STETT050.
Full textThis work considers an evolutionary approach to game theory. The main purpose of this thesis is to show that the nature of interaction and the distribution of information modify the relation between the individual level and aggregate behavior. Chapter 1 is divided in two parts. First, we present basic results of neo-darwinian models in a global interaction context. Second, we depart from environments in which individual behavior is genetically determined and strategy selection obtained because carriers of different genes differ in reproductive fitness. We discuss several models of adaptative behavior at the individual level and we construct a stochastic model of imitation-experimentation. Our main result is that the expected movement of the adaptative process is the same as a replicator-mutation equation. Chapter 2 presents the conceptual framework for studying the asymptotic behavior of a large class of stochastic models. This technique allows us to test the stochastic stability of various discrete adaptative processes perturbed by continuous but vanishing experimentation. Along this line we examine the models developed by kandori, mailath, rob (1993) and vega-redondo, robson (1996). Finally, we apply this technique to the analysis of our imitation-experimention process in two-person coordination games. The main result is that multiple states are stochastically stable. In other words punctuated equilibrium effect occurs in the (ultra) long run. For exemple, in the "prisoner's dilemma" game, the pareto efficient state is stochastically stable. By using a theorem due to bergin, lipman (1996), we show how we can modify artificially the support of the limit probability distribution of the imitation-experimentation process. Chapter 3 analyses situations where each player is located at a vertex of a simple symmetric and connected graph. We distinguish two cases. The first one restricts attention to environments in which the distribution of information is symmetric between neighbors (ellison, 1993, berninghaus, schwalbe, 1996). The second case depicts environments in which the distribution of information is asymmetric between neighbors. We extend the results obtained by ellison (1993) when the structure of information is represented by a one-dimensional digraph 1-strongly connected. In a two dimensional structure of information, we obtain original cyclic behavior
Colobert, Briac. "Relation entre stratégie posturale et stratégie de soulever de charge chez la personne âgée." Rennes 2, 2006. http://www.theses.fr/2006REN20029.
Full textThis work presents severals new contributions in modelisation and in the field of physical activity in the elderly. Force and equilibrium are both involved in posture and lifting. It is possible to employ index of strategies which allow to quantify those activities, in order to evaluate the possible relation between lifting and posture. To make postural evaluation easier and to evaluate load lifting, we describe two new models based on inverse geometric augmented body. The first model is able to measure ankle and hip movement and the secund model is able to identify the strategy employed during lifting. Each model only requires force plate measurements. The last part of this thesis focus on the study of the level of physical activity in elderly and its consequences on equilibrium and force. We find a relation between postural strategy and lifting strategy in elderly with a physical activity between 2-4 hours per week. Performances of the equilibrium system and those of the motor system are perhaps involved in a different level in the choice of postural strategy and lifting strategy. Our results underline the fact that even a low level of physical activity positively influences daily activities of elderly
Konté, Mamadou. "Investisseurs et Marchés Financiers : du comportement des agents à la formation de prix d'équilibre." Phd thesis, Université Panthéon-Sorbonne - Paris I, 2010. http://tel.archives-ouvertes.fr/tel-00618863.
Full textBooks on the topic "Internautes – Attitude – Modèles mathématiques"
Lincoln, James R. Culture, control, and commitment: A study of work organization and work attitudes in the United States and Japan. Cambridge [England]: Cambridge University Press, 1990.
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