Universite de Lyon

Displaying 1-12 of 12 results

  • White Papers // Jul 2011

    Towards Bridging IoT and Cloud Services: Proposing Smartphones as Mobile and Autonomic Service Gateways

    Computing is currently getting at the same time incredibly in the small with sensors/actuators embedded in the people everyday objects and also greatly in the large with data and service clouds accessible anytime, anywhere. This Internet of Things is physically closed to the user but suffers from weak run-time execution...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Socio-Economic Utility And Chemical Potential

    In statistical physics, the conservation of particle number results in the equalization of the chemical potential throughout a system at equilibrium. In contrast, the homogeneity of utility in socio-economic models is usually thought to rely on the competition between individuals, leading to Nash equilibrium. The authors show that both views...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Pattern Tree-based XOLAP Rollup Operator for XML Complex Hierarchies

    With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is necessary to allow OLAP analyses on XML data cubes. Thus, XQuery extensions are needed. To define a formal framework and allow much-needed...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    XWeB: The XML Warehouse Benchmark

    With the emergence of XML as a standard for representing business data, new decision support applications are being developed. These XML data warehouses aim at supporting On-Line Analytical Processing (OLAP) operations that manipulate irregular XML data. To ensure feasibility of these new tools, important performance issues must be addressed. Performance...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Business Intelligence for Small and Middle-Sized Enterprises

    Data warehouses are the core of decision support systems, which nowadays are used by all kind of enterprises in the entire world. Although many studies have been conducted on the need of Decision Support Systems (DSSs) for small businesses, most of them adopt existing solutions and approaches, which are appropriate...

    Provided By Universite de Lyon

  • White Papers // Dec 2010

    Inflation Targeting, Asset Prices And Financial Globalization

    In this paper, the authors investigate the impact of financial globalization on the behaviour of inflation targeting emerging market economies with respect to two assets - exchange rate and share prices. They use quarterly data for seven emerging market inflation targeting economies from the date of their inflation targeting adoption...

    Provided By Universite de Lyon

  • White Papers // Dec 2010

    Zipfs Law And Maximum Sustainable Growth

    Zipf's law states that the number of firms with size greater than S is inversely proportional to S. Most explanations start with Gibrat's rule of proportional growth but require additional constraints. The authors show that Gibrat's rule, at all firm levels, yields Zipf's law under a balance condition between the...

    Provided By Universite de Lyon

  • White Papers // Aug 2010

    Reconstructing Social Interactions Using an Unreliable Wireless Sensor Network

    In the very active field of complex networks, research advances have largely been stimulated by the availability of empirical data and the increase in computational power needed for their analysis. These works have led to the identification of similarities in the structures of such networks arising in very different fields,...

    Provided By Universite de Lyon

  • White Papers // Oct 2009

    A Survey on Service Composition Middleware in Pervasive Environments

    The development of pervasive computing has put the light on a challenging problem: how to dynamically compose services in heterogeneous and highly changing environments? The authors propose a survey that defines the service composition as a sequence of four steps: the translation, the generation, the evaluation, and finally the execution....

    Provided By Universite de Lyon

  • White Papers // Oct 2009

    Formal Modelling Framework of Data Acquisition Modules Using a Synchronous Approach for Timing Analysis

    In the field of process control, data acquisition modules (such as device drivers) require special care in their design, because they usually stand as bottlenecks between hardware devices and control applications. In particular timing constraints on occurrences of data are often given based on intuition and empirical experience. The paper...

    Provided By Universite de Lyon

  • White Papers // May 2009

    Systematic Risk Modelisation In Credit Risk Insurance

    The purpose of this paper is to propose a realistic and operational model to quantify the systematic risk in credit risk insurance. The model presented is built on the basis of classical credit risk model in which the joint laws of the risk factors become non Gaussian. The authors discuss...

    Provided By Universite de Lyon

  • White Papers // Jan 2009

    A Distributed Trust Diffusion Protocol for Ad Hoc Networks

    In this paper, the authors propose and evaluate a distributed protocol to manage trust diffusion in ad hoc networks. In this protocol, each node i maintains a "Trust value" about an other node j which is computed both as a result of the exchanges with node j itself and as...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Business Intelligence for Small and Middle-Sized Enterprises

    Data warehouses are the core of decision support systems, which nowadays are used by all kind of enterprises in the entire world. Although many studies have been conducted on the need of Decision Support Systems (DSSs) for small businesses, most of them adopt existing solutions and approaches, which are appropriate...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    XWeB: The XML Warehouse Benchmark

    With the emergence of XML as a standard for representing business data, new decision support applications are being developed. These XML data warehouses aim at supporting On-Line Analytical Processing (OLAP) operations that manipulate irregular XML data. To ensure feasibility of these new tools, important performance issues must be addressed. Performance...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Pattern Tree-based XOLAP Rollup Operator for XML Complex Hierarchies

    With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is necessary to allow OLAP analyses on XML data cubes. Thus, XQuery extensions are needed. To define a formal framework and allow much-needed...

    Provided By Universite de Lyon

  • White Papers // Jan 2009

    A Distributed Trust Diffusion Protocol for Ad Hoc Networks

    In this paper, the authors propose and evaluate a distributed protocol to manage trust diffusion in ad hoc networks. In this protocol, each node i maintains a "Trust value" about an other node j which is computed both as a result of the exchanges with node j itself and as...

    Provided By Universite de Lyon

  • White Papers // Oct 2009

    A Survey on Service Composition Middleware in Pervasive Environments

    The development of pervasive computing has put the light on a challenging problem: how to dynamically compose services in heterogeneous and highly changing environments? The authors propose a survey that defines the service composition as a sequence of four steps: the translation, the generation, the evaluation, and finally the execution....

    Provided By Universite de Lyon

  • White Papers // Dec 2010

    Zipfs Law And Maximum Sustainable Growth

    Zipf's law states that the number of firms with size greater than S is inversely proportional to S. Most explanations start with Gibrat's rule of proportional growth but require additional constraints. The authors show that Gibrat's rule, at all firm levels, yields Zipf's law under a balance condition between the...

    Provided By Universite de Lyon

  • White Papers // Feb 2011

    Socio-Economic Utility And Chemical Potential

    In statistical physics, the conservation of particle number results in the equalization of the chemical potential throughout a system at equilibrium. In contrast, the homogeneity of utility in socio-economic models is usually thought to rely on the competition between individuals, leading to Nash equilibrium. The authors show that both views...

    Provided By Universite de Lyon

  • White Papers // Dec 2010

    Inflation Targeting, Asset Prices And Financial Globalization

    In this paper, the authors investigate the impact of financial globalization on the behaviour of inflation targeting emerging market economies with respect to two assets - exchange rate and share prices. They use quarterly data for seven emerging market inflation targeting economies from the date of their inflation targeting adoption...

    Provided By Universite de Lyon

  • White Papers // May 2009

    Systematic Risk Modelisation In Credit Risk Insurance

    The purpose of this paper is to propose a realistic and operational model to quantify the systematic risk in credit risk insurance. The model presented is built on the basis of classical credit risk model in which the joint laws of the risk factors become non Gaussian. The authors discuss...

    Provided By Universite de Lyon

  • White Papers // Aug 2010

    Reconstructing Social Interactions Using an Unreliable Wireless Sensor Network

    In the very active field of complex networks, research advances have largely been stimulated by the availability of empirical data and the increase in computational power needed for their analysis. These works have led to the identification of similarities in the structures of such networks arising in very different fields,...

    Provided By Universite de Lyon

  • White Papers // Jul 2011

    Towards Bridging IoT and Cloud Services: Proposing Smartphones as Mobile and Autonomic Service Gateways

    Computing is currently getting at the same time incredibly in the small with sensors/actuators embedded in the people everyday objects and also greatly in the large with data and service clouds accessible anytime, anywhere. This Internet of Things is physically closed to the user but suffers from weak run-time execution...

    Provided By Universite de Lyon

  • White Papers // Oct 2009

    Formal Modelling Framework of Data Acquisition Modules Using a Synchronous Approach for Timing Analysis

    In the field of process control, data acquisition modules (such as device drivers) require special care in their design, because they usually stand as bottlenecks between hardware devices and control applications. In particular timing constraints on occurrences of data are often given based on intuition and empirical experience. The paper...

    Provided By Universite de Lyon