Luc Bouganim

uFLIP: Understanding Flash IO Patterns (2009)

Luc Bouganim, Björn Þór Jónsson

Does the advent of flash devices constitute a radical change for secondary storage? How should database systems adapt to this new form of secondary storage? Before we can answer these questions, we...

uFLIP: Understanding Flash IO Patterns (2009)

Bouganim, Luc, Jónsson, Björn, Bonnet, Philippe

Does the advent of flash devices constitute a radical change for secondary storage? How should database systems adapt to this new form of secondary storage? Before we can answer these questions, we...

Restoring the Patient Control over her Medical History (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Jacquemin, Kévin, Pucheral, Philippe, Yin, Shaoyi

Paper-based folders have been widely used to coordinate cares in medical-social networks, but they introduce some burning issues (e.g. privacy protection, remote access to the folder). Replacing the...

Restoring the Patient Control over her Medical History (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Jacquemin, Kévin, Pucheral, Philippe, Yin, Shaoyi

Paper-based folders have been widely used to coordinate cares in medical-social networks, but they introduce some burning issues (e.g. privacy protection, remote access to the folder). Replacing the...

InstantDB: Enforcing Timely Degradation of Sensitive Data (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe, Van Heerde, Harold, Apers, Peter

People cannot prevent personal information from being collected by various actors. Several security measures are implemented on servers to minimize the possibility of a privacy violation....

InstantDB: Enforcing Timely Degradation of Sensitive Data (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe, Van Heerde, Harold, Apers, Peter

People cannot prevent personal information from being collected by various actors. Several security measures are implemented on servers to minimize the possibility of a privacy violation....

Sécurisation du Contrôle d’Accès dans les Bases de Données (2008)

Bouganim, Luc

Sécurisation du Contrôle d’Accès dans les Bases de Données

Skew handling in the DBS3 Parallel Database System * (2008)

Luc Bouganim, Daniela Florescu, Benoît Dageville

Abstract: The gains of parallel query execution can be limited because of high start-up time, interference between execution entities, and poor load balancing. In this paper, we present a solution...

Abstract Dynamic Load Balancing in Hierarchical Parallel Database Systems (2008)

Luc Bouganim, Daniela Florescu

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, the problem of load...

Abstract Dynamic Load Balancing in Hierarchical Parallel Database Systems* (2008)

Luc Bouganim, Daniela Florescu, Patrick Valduriez, Bull Inria Inria

We consider the execution of multi-join queries in a hierar-chical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, the problem of load...

Dynamic Memory Allocation for Large Query Execution (2008)

Luc Bouganim, Olga Kapitskaia, Patrick Valduriez

ABSTRACT. The execution time of a large query depends mainly on the memory utilization which should avoid disk accesses for intermediate results. Poor memory management can hurt performance and even...

ABSTRACT GhostDB: Hiding Data from Prying Eyes (2008)

Christophe Salperwyck, Nicolas Anciaux, Mehdi Benzine, Luc Bouganim, Dennis Shasha

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

Future Trends in Secure Chip Data Management (2008)

Nicolas Anciaux, Luc Bouganim

Secure chips, e.g. present in smart cards, TPM, USB dongles are now ubiquitous in applications with strong security requirements. Secure chips host personal data that must be carefully managed and...

The Life-Cycle Policy model (2008)

Anciaux, Nicolas, Bouganim, Luc, Van Heerde, Harold, Pucheral, Philippe, Apers, Peter

Our daily life activity leaves digital trails in an increasing number of databases (commercial web sites, internet service providers, search engines, location tracking systems, etc). Personal digital...

The Life-Cycle Policy model (2008)

Anciaux, Nicolas, Bouganim, Luc, Van Heerde, Harold, Pucheral, Philippe, Apers, Peter

Our daily life activity leaves digital trails in an increasing number of databases (commercial web sites, internet service providers, search engines, location tracking systems, etc). Personal digital...

A Tamper-Resistant and Portable Healthcare Folder (2008)

Nicolas Anciaux, Morgane Berthelot, Laurent Braconnier, Luc Bouganim, Georges Gardarin, ...

Electronic health record (EHR) projects have been launched in most developed countries to increase the quality of healthcare while decreasing its cost. The benefits provided by centralizing the...

SGBD embarqué dans une puce : retour d’expérience (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

La carte à puce est aujourd'hui l'objet portable sécurisé le plus répandu. Il y a 4 ans, nous avons jeté les bases d’une étude portant sur l'embarquement de techniques bases de données dans...

SGBD embarqué dans une puce : retour d’expérience (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

La carte à puce est aujourd'hui l'objet portable sécurisé le plus répandu. Il y a 4 ans, nous avons jeté les bases d’une étude portant sur l'embarquement de techniques bases de données dans...

Revelation on Demand (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Private data sometimes must be made public. A corporation may keep its customer sales data secret, but reveals totals by sector for marketing reasons. A hospital keeps individual patient data secret,...

Revelation on Demand (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Private data sometimes must be made public. A corporation may keep its customer sales data secret, but reveals totals by sector for marketing reasons. A hospital keeps individual patient data secret,...

InstantDB: Enforcing Timely Degradation of Sensitive Data (2008)

Anciaux, Nicolas, Bouganim, Luc, Van Heerde, Harold, Pucheral, Philippe, Apers, Peter

People cannot prevent personal information from being collected by various actors. Several security measures are implemented on servers to minimize the possibility of a privacy violation....

Restoring the Patient Control over her Medical History (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Jacquemin, Kévin, Pucheral, Philippe, Yin, Shaoyi

Paper-based folders have been widely used to coordinate cares in medical-social networks, but they introduce some burning issues (e.g. privacy protection, remote access to the folder). Replacing the...

InstantDB: Enforcing Timely Degradation of Sensitive Data (2008)

Anciaux, Nicolas, Bouganim, Luc, Van Heerde, Harold, Pucheral, Philippe, Apers, Peter

People cannot prevent personal information from being collected by various actors. Several security measures are implemented on servers to minimize the possibility of a privacy violation....

Restoring the Patient Control over her Medical History (2008)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Jacquemin, Kévin, Pucheral, Philippe, Yin, Shaoyi

Paper-based folders have been widely used to coordinate cares in medical-social networks, but they introduce some burning issues (e.g. privacy protection, remote access to the folder). Replacing the...

DiSC: Benchmarking Secure Chip DBMS (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe, Valduriez, Patrick

Secure chips, e.g., present in smart cards, USB dongles, i-buttons, are now ubiquitous in applications with strong security requirements. Moreover, they require embedded data management techniques....

A Hardware Approach for Trusted Access and Usage Control (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

This chapter advocates the convergence between Access Control (AC) models focusing on the granularity of sharing and Digital Right Management (DRM) models focusing on conditional authorizations and...

DiSC: Benchmarking Secure Chip DBMS (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe, Valduriez, Patrick

Secure chips, e.g., present in smart cards, USB dongles, i-buttons, are now ubiquitous in applications with strong security requirements. Moreover, they require embedded data management techniques....

A Hardware Approach for Trusted Access and Usage Control (2008)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

This chapter advocates the convergence between Access Control (AC) models focusing on the granularity of sharing and Digital Right Management (DRM) models focusing on conditional authorizations and...

A Tamper-Resistant and Portable Healthcare Folder (2008)

Nicolas Anciaux, Morgane Berthelot, Laurent Braconnier, Luc Bouganim, Georges Gardarin, ...

Electronic health record (EHR) projects have been launched in most developed countries to increase the quality of healthcare while decreasing its cost. The benefits provided by centralizing the...

Bulletin of the Technical Committee on (2007)

June Vol No, Sirish Ch, Amol Deshp, Kris Hildrum, Sam Madden, Vijayshankar Raman, ...

As query engines are scaled and federated, they must cope with highly unpredictable and changeable environments. In the Telegraph project, we are attempting to architect and implement a continuously...

GhostDB: Querying Visible and Hidden Data Without Leaks (2007)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

GhostDB: Querying Visible and Hidden Data Without Leaks (2007)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

GhostDB: Hiding Data from Prying Eyes (2007)

Salperwyck, Christophe, Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

GhostDB: Hiding Data from Prying Eyes (2007)

Salperwyck, Christophe, Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

Fairness concerns in digital right management models (2007)

Bouganim, Luc, Pucheral, Philippe

Digital piracy is threatening the global multimedia content industry and blindly applied coercive Digital Right Management (DRM) policies do nothing but legitimise this piracy. This paper presents...

Future Trends in Secure Chip Data Management (2007)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Secure chips, e.g. present in smart cards, TPM, USB dongles are now ubiquitous in applications with strong security requirements. Secure chips host personal data that must be carefully managed and...

Fairness concerns in digital right management models (2007)

Bouganim, Luc, Pucheral, Philippe

Digital piracy is threatening the global multimedia content industry and blindly applied coercive Digital Right Management (DRM) policies do nothing but legitimise this piracy. This paper presents...

Future Trends in Secure Chip Data Management (2007)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Secure chips, e.g. present in smart cards, TPM, USB dongles are now ubiquitous in applications with strong security requirements. Secure chips host personal data that must be carefully managed and...

GhostDB: Hiding Data from Prying Eyes (2007)

Salperwyck, Christophe, Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may want to issue queries whose result will combine private and...

GhostDB: Hiding Data from Prying Eyes (2007)

Salperwyck, Christophe, Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may want to issue queries whose result will combine private and...

Querying and Aggregating Visible and Hidden Data Without Leaks (2007)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

Querying and Aggregating Visible and Hidden Data Without Leaks (2007)

Anciaux, Nicolas, Benzine, Mehdi, Bouganim, Luc, Pucheral, Philippe, Shasha, Dennis

Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospital patients. You may...

Dossiers Personnels Ubiquitaires et Sécurisés (2007)

Anciaux, Nicolas, Berthelot, Morgane, De La Blache, Martine, Bouganim, Luc, Braconnier, Laurent, Gardarin, Georges, ...

Les solutions existantes de partage de données (médicales, sociales, administratives, commerciales, professionnelles, etc.) sont classiquement basées sur une approche serveur. L'approche serveur...

Dossiers Personnels Ubiquitaires et Sécurisés (2007)

Anciaux, Nicolas, Berthelot, Morgane, De La Blache, Martine, Bouganim, Luc, Braconnier, Laurent, Gardarin, Georges, ...

Les solutions existantes de partage de données (médicales, sociales, administratives, commerciales, professionnelles, etc.) sont classiquement basées sur une approche serveur. L'approche serveur...

Smart Card DBMS: where are we now? (2006)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Smart card is today the most widespread secured portable computing device. Four years ago, we addressed the problem of scaling down database techniques for the smart card and we proposed the design...

Smart Card DBMS: where are we now? (2006)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Smart card is today the most widespread secured portable computing device. Four years ago, we addressed the problem of scaling down database techniques for the smart card and we proposed the design...

Smart Card DBMS: where are we now? (2006)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Smart card is today the most widespread secured portable computing device. Four years ago, we addressed the problem of scaling down database techniques for the smart card and we proposed the design...

Sécurisation du Contrôle d’Accès dans les Bases de Données (2006)

Bouganim, Luc

Sécurisation du Contrôle d’Accès dans les Bases de Données

Sécurisation du Contrôle d’Accès dans les Bases de Données (2006)

Bouganim, Luc

Sécurisation du Contrôle d’Accès dans les Bases de Données

Sécurisation du Contrôle d’Accès dans les Bases de Données (2006)

Bouganim, Luc

Sécurisation du Contrôle d’Accès dans les Bases de Données

Data confidentiality: to which extent cryptography and secured hardware can help (2006)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Data confidentiality has become a major concern for individuals as well as for companies and administrations. In a classical client-server setting, the access control management is performed on the...

Data confidentiality: to which extent cryptography and secured hardware can help (2006)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Data confidentiality has become a major concern for individuals as well as for companies and administrations. In a classical client-server setting, the access control management is performed on the...

Current Position: INRIA Researcher, Vice-head of the SMIS project (2006)

Luc Bouganim

1 Teaching.................................................................................................................................................... 3 2 research...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Ngoc, François Dang, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Dang Ngoc, François, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are...

Tamper-Resistant Ubiquitous Data Management (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile and tamper-resistant XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of on-board personal...

Tamper-Resistant Ubiquitous Data Management (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile and tamper-resistant XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of on-board personal...

Data confidentiality: to which extent cryptography and secured hardware can help (2005)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Data confidentiality has become a major concern for individuals as well as for companies and administrations. In a classical client-server setting, the access control management is performed on the...

Tamper-Resistant Ubiquitous Data Management (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile and tamper-resistant XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of onboard personal...

Data confidentiality: to which extent cryptography and secured hardware can help (2005)

Anciaux, Nicolas, Bouganim, Luc, Pucheral, Philippe

Data confidentiality has become a major concern for individuals as well as for companies and administrations. In a classical client-server setting, the access control management is performed on the...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Dang Ngoc, François, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are...

Sécurisation matérielle du contrôle d'accès à des documents XML (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

La baisse de confiance accordée aux serveurs traditionnels de bases de données et aux fournisseurs de services de bases de données (Database Service Providers), l'intérêt croissant pour la...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Dang Ngoc, François, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are...

Sécurisation matérielle du contrôle d'accès à des documents XML (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

La baisse de confiance accordée aux serveurs traditionnels de bases de données et aux fournisseurs de services de bases de données (Database Service Providers), l'intérêt croissant pour la...

Sécurisation matérielle du contrôle d'accès à des documents XML (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

La baisse de confiance accordée aux serveurs traditionnels de bases de données et aux fournisseurs de services de bases de données (Database Service Providers), l’intérêt croissant pour la...

Tamper-Resistant Ubiquitous Data Management (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile and tamper-resistant XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of onboard personal...

Sécurisation matérielle du contrôle d'accès à des documents XML (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

La baisse de confiance accordée aux serveurs traditionnels de bases de données et aux fournisseurs de services de bases de données (Database Service Providers), l’intérêt croissant pour la...

Tamper-Resistant Ubiquitous Data Management (2005)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile and tamper-resistant XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of onboard personal...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Dang Ngoc, François, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers (DSP), the growing interest for different forms of data dissemination and the concern for protecting...

Safe Data Sharing and Data Dissemination on Smart Devices (2005)

Bouganim, Luc, Cremarenco, Cosmin, Dang Ngoc, François, Dieu, Nicolas, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers (DSP), the growing interest for different forms of data dissemination and the concern for protecting...

Safe data sharing and data dissemination on smart devices (2005)

Luc Bouganim, Cosmin Cremarenco, François Dang Ngoc, Nicolas Dieu

The erosion of trust put in traditional database servers and in Database Service Providers (DSP), the growing interest for different forms of data dissemination and the concern for protecting...

Client-Based Access Control Management for XML documents (2004)

Bouganim, Luc, Ngoc, Dang, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers, the growing interest for different forms of data dissemination and the concern for protecting children from...

Client-Based Access Control Management for XML documents (2004)

Bouganim, Luc, Ngoc, Dang, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers, the growing interest for different forms of data dissemination and the concern for protecting children from...

Mobile Databases: a Selection of Open Issues and Research Directions (2004)

Bernard, Guy, Ben-Othman, Jalel, Bouganim, Luc, Canals, Gérôme, Chabridon, Sophie, Defude, Bruno, ...

This paper reports on the main results of a specific action on mobile databases conducted by CNRS in France from October 2001 to December 2002. The objective of this action was to review the state of...

Mobile Databases: a Selection of Open Issues and Research Directions (2004)

Bernard, Guy, Ben-Othman, Jalel, Bouganim, Luc, Canals, Gérôme, Chabridon, Sophie, Defude, Bruno, ...

This paper reports on the main results of a specific action on mobile databases conducted by CNRS in France from October 2001 to December 2002. The objective of this action was to review the state of...

A Smart XML Access Right Controller for Mobile Applications (2004)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of on-board personal data or to control the...

A Smart XML Access Right Controller for Mobile Applications (2004)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

Chip-Secured XML Access (C-SXA) is a versatile XML-based Access Right Controller embedded in a smart card. C-SXA can be used either to protect the privacy of on-board personal data or to control the...

Client-based access control management for XML document (2004)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers, the growing interest for different forms of data dissemination and the concern for protecting children from...

Client-based access control management for XML document (2004)

Bouganim, Luc, Dang Ngoc, François, Pucheral, Philippe

The erosion of trust put in traditional database servers and in Database Service Providers, the growing interest for different forms of data dissemination and the concern for protecting children from...

Client-Based Access Control Management for XML documents (2004)

Luc Bouganim, François Dang Ngoc

The erosion of trust put in traditional database servers and in Database Service Providers, the growing interest for different forms of data dissemination and the concern for protecting children from...

Mobilité et bases de données (2003)

Ben-Othman, Jalel, Bernard, Guy, Bouganim, Luc, Canals, Gérôme, Defude, Bruno, Ferrié, Jean, ...

Cette chronique est le résultat d'un travail collectif réalisé par les membres de l'action spécifique CNRS « Mobilité/Accès aux données » [AS_BDMobile]. Elle fait le point sur l'état...

Mobilité et bases de données (2003)

Ben-Othman, Jalel, Bernard, Guy, Bouganim, Luc, Canals, Gérôme, Defude, Bruno, Ferrié, Jean, ...

Cette chronique est le résultat d'un travail collectif réalisé par les membres de l'action spécifique CNRS « Mobilité/Accès aux données » [AS_BDMobile]. Elle fait le point sur l'état...

Memory Requirements for Query Execution in Highly (2003)

Constrained Devices Nicolas, Nicolas Anciaux, Luc Bouganim

Pervasive computing introduces data management requirements that must be tackled in a growing variety of lightweight computing devices. Personal folders on chip, networks of sensors and data hosted...

Mobilité et bases de données - Etat de l'art et perspectives (2003)

Bernard, Guy, Ben-Othman, Jalel, Bouganim, Luc, Canals, Gérôme, Defude, Bruno, Ferrié, Jean, ...

Ce document est le résultat d'un travail collectif réalisé par les membres de l'action spécifique CNRS « Mobilité/Accès aux données ». Il fait le point sur l'état d'avancement des travaux...

Mobilité et bases de données - Etat de l'art et perspectives (2003)

Bernard, Guy, Ben-Othman, Jalel, Bouganim, Luc, Canals, Gérôme, Defude, Bruno, Ferrié, Jean, ...

Ce document est le résultat d'un travail collectif réalisé par les membres de l'action spécifique CNRS « Mobilité/Accès aux données ». Il fait le point sur l'état d'avancement des travaux...

Efficient querying of distributed resources in mediator systems (2002)

Ioana Manolescu, Luc Bouganim

Abstract: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making such a...

Efficient Data and Program Integration Using Binding Patterns (2001)

Manolescu, Ioana, Bouganim, Luc, Fabret, Françoise, Simon, Eric

In this work, we investigate data and program integration in a fully distribut- ed peer-to-peer mediation architecture. The challenge in making such a system succeed at a large scale is twofold....

Efficient Data and Program Integration Using Binding Patterns (2001)

Manolescu, Ioana, Bouganim, Luc, Fabret, Françoise, Simon, Eric

In this work, we investigate data and program integration in a fully distribut- ed peer-to-peer mediation architecture. The challenge in making such a system succeed at a large scale is twofold....

Efficient Data and Program Integration Using Binding Patterns (2001)

Manolescu, Ioana, Bouganim, Luc, Fabret, Françoise, Simon, Eric

In this work, we investigate data and program integration in a fully distribut- ed peer-to-peer mediation architecture. The challenge in making such a system succeed at a large scale is twofold....

PicoDBMS: Scaling down Database Techniques for the Smartcard (2000)

Christophe Bobineau, Luc Bouganim, Patrick Valduriez

Smartcards are the most secure portable computing device today. They have been used successfully in applications involving money, proprietary and personal data (such as banking, healthcare,...

PicoDBMS: Scaling down Database Techniques for the Smartcard (2000)

Christophe Bobineau, Luc Bouganim, Patrick Valduriez

Smartcards are the most secure portable computing device today. They have been used successfully in applications involving money, proprietary and personal data (such as banking, healthcare,...

A Dynamic Query Processing Architecture for Data Integration Systems (2000)

Luc Bouganim Francoise, Luc Bouganim, Francoise Fabret, C. Mohan, Patrick Valduriez

Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the memory available at...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Bouganim, Luc, Florescu, Daniela, Valduriez, Patrick

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, load balancing must be...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Bouganim, Luc, Florescu, Daniela, Valduriez, Patrick

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, load balancing must be...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Bouganim, Luc, Florescu, Daniela, Valduriez, Patrick

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, load balancing must be...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Luc Bouganim, Luc Bouganim, Daniela Florescu, Daniela Florescu, Patrick Valduriez, Patrick Valduriez, ...

: We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, load balancing must...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Luc Bouganim, Daniela Florescu, Patrick Valduriez

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, the problem of load...

Dynamic Load Balancing in Hierarchical Parallel Database Systems (1996)

Luc Bouganim, Daniela Florescu, Patrick Valduriez

We consider the execution of multi-join queries in a hierarchical parallel system, i.e., a shared-nothing system whose nodes are shared-memory multiprocessors. In this context, the problem of load...

Adaptive Parallel Query Execution in DBS3 (1995)

Bouganim, Luc, Dageville, Benont, Valduriez, Patrick

The gains of parallel query execution can be limited because of high start-up time, interference between execution entities, and poor load balancing. In this paper, we present a solution which...

Adaptive Parallel Query Execution in DBS3 (1995)

Bouganim, Luc, Dageville, Benont, Valduriez, Patrick

The gains of parallel query execution can be limited because of high start-up time, interference between execution entities, and poor load balancing. In this paper, we present a solution which...

Adaptive Parallel Query Execution in DBS3 (1995)

Bouganim, Luc, Dageville, Benont, Valduriez, Patrick

The gains of parallel query execution can be limited because of high start-up time, interference between execution entities, and poor load balancing. In this paper, we present a solution which...

Adaptive Parallel Query Execution in DBS3 (1995)

Luc Bouganim, Luc Bouganim, Benoît Dageville, Benot Dageville, Patrick Valduriez, Patrick Valduriez

: The gains of parallel query execution can be limited because of high start-up time, interference between execution entities, and poor load balancing. In this paper, we present a solution which...

A Tamper-Resistant and Portable Healthcare Folder

Anciaux, Nicolas, Berthelot, Morgane, Braconnier, Laurent, Bouganim, Luc, De La Blache, Martine, Gardarin, Georges, ...

Electronic health record (EHR) projects have been launched in most developed countries to increase the quality of healthcare while decreasing its cost. The benefits provided by centralizing the...