Jordi Turmo, Pere Comas, Sophie Rosset, Lori Lamel, Nicolas Moreau, Djamel Mostefa
This paper describes the experience of QAST 2008, the second time a pilot track of CLEF has been held aiming to evaluate the task of Question Answering in Speech Transcripts. Five sites submitted...
OVERVIEW OF THE CLEF 2008 MULTILINGUAL QUESTION ANSWERING TRACK (2009)
Pamela Forner, Anselmo Peñas, Eneko Agirre, Iñaki Alegria, Nicolas Moreau, Petya Osenova, ...
Abstract The QA campaign at CLEF [1], was manly the same as that proposed last year. The results and the analyses reported by last year’s participants suggested that the changes introduced in the...
Distinguishing Answers in Conceptual Graph Knowledge Bases (2009)
Moreau, Nicolas, Leclère, Michel, Croitoru, Madalina
In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers are comparable. In this...
Distinguishing Answers in Conceptual Graph Knowledge Bases (2009)
Moreau, Nicolas, Leclère, Michel, Croitoru, Madalina
In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers are comparable. In this...
Query-Answering CG Knowledge Bases (2008)
Leclère, Michel, Moreau, Nicolas
Conceptual graphs are a good choice for constructing and exploiting a knowledge base. In several of our projects (semantic portal for e-tourism, exploitation of digital object corpus, etc.), we have...
Query-Answering CG Knowledge Bases (2008)
Leclère, Michel, Moreau, Nicolas
Conceptual graphs are a good choice for constructing and exploiting a knowledge base. In several of our projects (semantic portal for e-tourism, exploitation of digital object corpus, etc.), we have...
Différentes notions de réponses pour un système dinterrogation de bases de graphes (2008)
Leclère, Michel, Moreau, Nicolas
De nombreuses bases de connaissance sémantiques utilisent des formalismes à base de graphes (graphes conceptuels, RDF, Topic Maps). L'interrogation de telles bases se fonde sur des langages qui...
Différentes notions de réponses pour un système d’interrogation de bases de graphes (2008)
Leclère, Michel, Moreau, Nicolas
De nombreuses bases de connaissance sémantiques utilisent des formalismes à base de graphes (graphes conceptuels, RDF, Topic Maps). L'interrogation de telles bases se fonde sur des langages qui...
Différentes notions de réponses pour un système d'interrogation de bases de graphes. (2008)
Leclère, Michel, Moreau, Nicolas
De nombreuses bases de connaissance sémantiques utilisent des formalismes à base de graphes (graphes conceptuels, RDF, Topic Maps). L'interrogation de telles bases se fonde sur des langages qui...
Différentes notions de réponses pour un système d'interrogation de bases de graphes. (2008)
Leclère, Michel, Moreau, Nicolas
De nombreuses bases de connaissance sémantiques utilisent des formalismes à base de graphes (graphes conceptuels, RDF, Topic Maps). L'interrogation de telles bases se fonde sur des langages qui...
Resynchronization methods for audio watermarking (2007)
Depending on the application, audio watermarking systems must be robust to piracy attacks. Desynchronization attacks, aimed at preventing the detector from correctly locating the information...
Bailly, Gérard, Attina, Virginie, Baras, Cléo, Bas, Patrick, Baudry, Séverine, Beautemps, Denis, ...
The ARTUS project provides deaf televiewers with an alternative substitute for subtitles using Cued Speech: an animated agent can be superimposed - on demand and at the reception - to the original...
Formal and Graphical Annotations for Digital Objects (2007)
Moreau, Nicolas, Leclère, Michel, Chein, Michel, Gutierrez, Alain
This paper presents graphical tools that facilitate manual building of formal semantic annotations for digital objects. These tools are intended to be integrated in digital object (DO) management...
Annotation formelle graphique de documents multimédia (2007)
Moreau, Nicolas, Leclère, Michel, Chein, Michel, Gutierrez, Alain
Cet article présente une méthodologie et un atelier de construction d'annotations sémantiques manuelles de documents de diverses natures (vidéo, image, son, texte...). Cet atelier est destiné à...
Annotation formelle graphique de documents multimédia (2007)
Moreau, Nicolas, Leclère, Michel, Chein, Michel, Gutierrez, Alain
Cet article présente une méthodologie et un atelier de construction d'annotations sémantiques manuelles de documents de diverses natures (vidéo, image, son, texte...). Cet atelier est destiné à...
Formal and Graphical Annotations for Digital Objects (2007)
Moreau, Nicolas, Leclère, Michel, Chein, Michel, Gutierrez, Alain
This paper presents graphical tools that facilitate manual building of formal semantic annotations for digital objects. These tools are intended to be integrated in digital object (DO) management...
Bailly, Gérard, Attina, Virginie, Baras, Cléo, Bas, Patrick, Baudry, Séverine, Beautemps, Denis, ...
The ARTUS project provides deaf televiewers with an alternative substitute for subtitles using Cued Speech: an animated agent can be superimposed - on demand and at the reception - to the original...
Bailly, Gérard, Baras, Cléo, Bas, Patrick, Baudry, Séverine, Beautemps, Denis, Brun, Rémi, ...
The ARTUS project provides deaf televiewers with an alternative substitute for subtitles using Cued Speech: an animated agent can be superimposed - on demand and at the reception - to the original...
Bargain, Olivier, Beblo, Miriam, Beninger, Denis, Blundell, Richard, Carrasco, Raquel [rcarras], Chiuri, Maria-Concetta, ...
A widely shared intuition holds that individual control over money matters for the decision process within the household and the subsequent distribution of resources and welfare. As a consequence,...
Bargain, Olivier, Beblo, Miriam, Beninger, Denis, Blundell, Richard, Carrasco, Raquel [rcarras], Chiuri, Maria-Concetta, ...
We suggest a methodology to calibrate a collective model with household-specific bargaining rules and marriage-specific preferences that incorporate leisure externalities. The empirical...
The Working Familias tax credit and some European tax reforms in a collective setting (2006)
Bargain, Olivier, Beblo, Miriam, Beninger, Denis, Blundell, Richard, Carrasco, Raquel [rcarras], Chiuri, Maria-Concetta, ...
A framework for simplified implementation of the collective model of labor supply decisions is presented in the context of fiscal reforms in the UK. Through its collective form the model accounts for...
Evaluating the Move to a Linear Tax System in Germany and Other European Countries (2006)
Beninger, Denis, Bargain, Olivier, Beblo, Miriam, Blundell, Richard, Carrasco, Raquel [rcarras], Chiuri, Maria-Concetta, ...
This paper proposes a comparison of the results of tax policy analysis obtained on the basis of unitary and collective representations of the household. We first generate labour supplies consistent...
Spatial Mobility and Returns to Education:Some Evidence from a Sample of French Youth (2006)
Lemistre, Philippe, Moreau, Nicolas
The purpose of this article is to reevaluate the returns to geographic mobility and to the level of education, taking into account the interaction between these two variables. We have at our disposal...
Spatial Mobility and Returns to Education:Some Evidence from a Sample of French Youth (2006)
Lemistre, Philippe, Moreau, Nicolas
The purpose of this article is to reevaluate the returns to geographic mobility and to the level of education, taking into account the interaction between these two variables. We have at our disposal...
Bailly, Gérard, Baras, Cléo, Bas, Patrick, Baudry, Séverine, Beautemps, Denis, Brun, Rémi, ...
The ARTUS Project aims at watermarking hand and face gestures of a virtual animated agent in a broadcasted audiovisual sequence. For deaf televiewers that master cued speech, the animated agent can...
Bailly, Gérard, Baras, Cléo, Bas, Patrick, Baudry, Séverine, Beautemps, Denis, Brun, Rémi, ...
The ARTUS Project aims at watermarking hand and face gestures of a virtual animated agent in a broadcasted audiovisual sequence. For deaf televiewers that master cued speech, the animated agent can...
Collective Labor Supply: a Single-Equation Model and Some Evidence from French Data (2005)
Donni, Olivier, Moreau, Nicolas
In Chiappori's (1988) collective model of labour supply hours of work are supposed flexible. In many countries, however, male labor supply does not vary much. In that case, the husband's labor supply...
Collective Labor Supply: a Single-Equation Model and Some Evidence from French Data (2005)
Donni, Olivier, Moreau, Nicolas
In Chiappori's (1988) collective model of labour supply hours of work are supposed flexible. In many countries, however, male labor supply does not vary much. In that case, the husband's labor supply...
BARAS, Cléo, MOREAU, Nicolas, ZAYEN, Bassem
Pour satisfaire les enjeux de robustesse des systèmes de tatouage, nous proposons dans cet article un mécanisme de synchronisation quasi temps-réel. Ce mécanisme tolère toutes opérations...
Phonetic Confusion Based Document Expansion for Spoken Document Retrieval (2004)
Nicolas Moreau, Hyoung-Gook Kim, Thomas Sikora
This paper presents a phone-based approach of spoken document retrieval (SDR), developed in the framework of the emerging MPEG-7 standard. We describe an indexing and retrieval system that uses...
Phone-Based Spoken Document Retrieval in Conformance with the MPEG-7 Standard (2004)
Nicolas Moreau, Hyoung Gook Kim, Thomas Sikora
This paper presents a phone-based approach of spoken document retrieval, developed in the framework of the emerging MPEG-7 standard. The audio part of MPEG-7 encloses a SpokenContent tool that...
Combination of Phone N-Grams for a MPEG-7-based Spoken Document Retrieval System (2004)
Nicolas Moreau, Hyoung-Gook Kim, Thomas Sikora
In this paper, we present a phone-based approach of spoken document retrieval (SDR), developed in the framework of the emerging MPEG-7 standard. The audio part of MPEG-7 aims at standardizing the...
Audio Classification Based on MPEG-7 Spectral Basis Representations (2004)
Hyoung-Gook Kim, Nicolas Moreau, Thomas Sikora, Senior Member
In this paper, we present an MPEG-7-based audio classification and retrieval technique targeted for analysis of film material. The technique consists of low-level descriptors and high-level...
Modèles sinusoïdaux étendus pour le codage audio (2003)
BOYER, Rémy, ESSID, Slim, ABED-MERAIM, Karim, MOREAU, Nicolas
- Dans cet article, on commence par faire un bref panorama de quelques extensions du modèle sinusoïdal. Ensuite, dans une optique de codage du signal audio, on retient deux représentations,...
Système de tatouage audio en boucle fermée (2003)
BARAS, Cléo, DYMARSKI, Przemyslaw, MOREAU, Nicolas
Un système de tatouage peut être vu comme une chaîne de communication particulière: le canal audio est susceptible de transmettre une information binaire, inaudible et indélébile....
Hyoung-Gook Kim, Markus Schwab, Nicolas Moreau, Thomas Sikora
This paper presents a speech enhancement method for noise robust front-end and speech reconstruction at the back-end of Distributed Speech Recognition (DSR). The speech noise removal algorithm is...
Speaker Recognition Using MPEG-7 Descriptors (2003)
Hyoung-Gook Kim, Edgar Berdahl, Nicolas Moreau, Thomas Sikora
Our purpose is to evaluate the efficiency of MPEG-7 audio descriptors for speaker recognition. The upcoming MPEG-7 standard provides audio feature descriptors, which are useful for many applications....
Hyoung-Gook Kim, Markus Schwab, Nicolas Moreau, Thomas Sikora
In this paper we present a two stage noise reduction algorithm for speech enhancement. The speech noise removal algorithm is based on a two stage noise filtering LSAHT by log spectral amplitude...
Le secret en propriété industrielle /--Nicolas Moreau. (2001)
Mémoire de DESS : Droit de la propriété industrielle / Paris II ; session de 2001.
Méthodes de resynchronisation pour le tatouage audio (2001)
GOMEZ, Emilia, BONNET, Madeleine, MOREAU, Nicolas
Pour plusieurs applications, les systèmes de tatouage audio doivent résister à des attaques de piratage. Les attaques qui désynchronisent la détection du tatouage sont particulièrement...
Audio asymmetric watermarking technique (2000)
Furon, Teddy, Moreau, Nicolas, Duhamel, Pierre
This paper presents the application of the promising public key watermarking method1 to the audio domain. Its de- tection process does not need the original content nor the secret key used in the...
Audio asymmetric watermarking technique (2000)
Furon, Teddy, Moreau, Nicolas, Duhamel, Pierre
This paper presents the application of the promising public key watermarking method1 to the audio domain. Its de- tection process does not need the original content nor the secret key used in the...
Audio asymmetric watermarking technique (2000)
Furon, Teddy, Moreau, Nicolas, Duhamel, Pierre
This paper presents the application of the promising public key watermarking method1 to the audio domain. Its de- tection process does not need the original content nor the secret key used in the...
PERREAU-GUIMARAES, Marcos, BONNET, Madeleine, MOREAU, Nicolas
Les codeurs de musique actuels atteignent de taux de compression supérieurs à 8 sans perte de qualité subjective en suivant le principe : ne pas coder ce que l'oreille n'entend pas. La mise en...
Huynh,Huu Tue, Moreau,Nicolas, Paquet,Jean-Guy
Text in French. Revision of report dated 12 Nov 71.
Étude comparative de filtres perceptuels adaptés à des codeurs audio (1997)
GUIMARAES, Marcos Perreau, MOREAU, Nicolas, BONNET, Madeleine
Les codeurs audio de haute qualité utilisent souvent un modèle psychoacoustique pour prendre en compte les propriétés de l'oreille. On compare des filtres perceptuels, calculés à partir d'une...
Codage en sous-bandes à analyse-par-synthèse (1995)
POPESCU, Andrei, MOREAU, Nicolas
On propose un nouveau schéma de codage adapté à la compression de signaux audiofréquence. On utilise une approche de type "analyse-par-synthèse" pour quantifier les paramètres intervenant dans...
Introduction d'un banc de filtres hierarchique dans un codeur predictif (1993)
MOREAU, Nicolas, DYMARSKI, Przemyslaw
On analyse l'intérêt et les limitations apportés par l'introduction d'un codage par transformée ou en sous-bandes, dans un codeur prédictif. On rappelle d'abord les relations existant entre...
Techniques modernes de traitement numérique des signaux (1991)
Kunt, Murat, Bellanger, Maurice, De Coulon, Frédéric, Gueguen, Claude, Hasler, Martin, Moreau, Nicolas, ...
Thèse (de maîtrise) - Université Laval, 1971.
L'insolation comme cause de mort subite au Sénégal / (1866)
Thesis (doctoral)-Faculté de médecine de Montpellier-, 1866.
L'insolation comme cause de mort subite au Sénégal [microform] / (1866)
Thesis (doctoral)--Université de Montpellier, 1866.
Bargain, Olivier, Moreau, Nicolas
Several theoretical contributions, starting with McElroy and Horney (1981) and Manser and Brown (1980), have suggested to model household behavior as a Nash-bargaining game. Since then, very few...
Estimation d'un modèle collectif d'offre de travail avec taxation
offre de travail;taxation
Collective Labor Supply: a Single-Equation Model and Some Evidence from French Data
In Chiappori's (1988) collective model of labor supply hours of work are supposed flexible. In many countries, however, male labor supply does not vary much. In that case, the husband's labor supply...
Is the Collective Model of Labor Supply Useful for Tax Policy Analysis? A Simulation Exercise
Bargain, Olivier, Moreau, Nicolas
The literature on household behavior contains hardly any empirical research on the withinhousehold distributional effect of tax-benefit policies. We simulate this effect in the framework of a...
Is the Collective Model of Labor Supply Useful for Tax Policy Analysis? A Simulation Exercise
Olivier Bargain, Nicolas Moreau
The literature on household behavior contains hardly any empirical research on the withinhousehold distributional effect of tax-benefit policies. We simulate this effect in the framework of a...
Spatial Mobility and Returns to Education: Some Evidence from a Sample of French Youth
Philippe Lemistre, Nicolas Moreau
The purpose of this article is to reevaluate the returns to geographic mobility and to the level of education, taking into account the interaction between these two variables. We have at our disposal...
Spatial Mobility and Returns to Education:Some Evidence from a Sample of French Youth
Philippe Lemistre, Nicolas Moreau
The purpose of this article is to reevaluate the returns to geographic mobility and to the levelof education, taking into account the interaction between these two variables. We have at ourdisposal...
The Effects of Marriage on Couples’ Allocation of Time Between Market and Non-Market Hours
AbdelRahmen El Lahga, Nicolas Moreau
We evaluate the effects of the transition from cohabitation to marriage on household domestic and market work hours using a sample of working couples. For this purpose we use the 21 first waves of...
Would you Marry me? The Effects of Marriage on German Couples’ Allocation of Time
El Lahga, AbdelRahmen, Moreau, Nicolas
Living arrangements have undergone considerable change in recent decades. In most Western countries marriage is no longer the exclusive context of family formation. In the United States (US) for...
Effets d'une réforme fiscale sur l'offre de travail des ménages dans un cadre collectif simulé.
Olivier Bargain, Nicolas Moreau
The literature on household behavior contains hardly any empirical research on the within-household distributional effect of tax-benefit policies. We simulate this effect in the framework of a...
Would You Marry Me? : The Effects of Marriage on German Couples' Allocation of Time
We evaluate the effects of the transition from cohabitation to marriage on household domestic and market work hours using a sample of working couples. For this purpose we use the 21 first waves of...
Is the Collective Model of Labor Supply Useful for Tax Policy Analysis? A Simulation Exercise
Bargain, Olivier, Moreau, Nicolas
The literature on household behavior contains hardly any empirical research on the within-household distributional effect of tax-benefit policies. We simulate this effect in the framework of a...
Olivier Bargain, Miriam Beblo, Denis Beninger, Richard Blundell, Raquel Carrasco, Maria-Concetta Chiuri, ...
A widely shared intuition holds that individual control over money matters for the decision process within the household and the subsequent distribution of resources and welfare. As a consequence,...
Frederic Vermeulen, Olivier Bargain, Miriam Beblo, Denis Beninger, Richard Blundell, Raquel Carrasco, ...
We suggest a methodology to calibrate a collective model with household-specific bargaining rules and marriage-specific preferences that incorporate leisure externalities. The empirical...
The Working Families’ Tax Credit and Some European Tax Reforms in A Collective Setting
Michal Myck, Olivier Bargain, Miriam Beblo, Denis Beninger, Richard Blundell, Raquel Carrasco, ...
A framework for simplified implementation of the collective model of labor supply decisions is presented in the context of fiscal reforms in the UK. Through its collective form the model accounts for...
Evaluating the Move to a Linear Tax System in Germany and Other European Countries
Denis Beninger, Olivier Bargain, Miriam Beblo, Richard Blundell, Raquel Carrasco, Maria-Concetta Chiuri, ...
This paper proposes a comparison of the results of tax policy analysis obtained on the basis of unitary and collective representations of the household. We first generate labour supplies consistent...
Examining the Role of Consumer Confidence Within an IS Curve Framework
Consumer confidence indices are often viewed as leading indicators of economic activity. In this paper, we investigate the role of these indices in forecasting output growth for the United States and...
Enrichments to Multi-Year Fiscal Commitments in the Presence of Uncertainty
Patrick Georges, Nicolas Moreau
Firstly, the study illustrates in a stochastic simulation model that permanent commitments to tax and spending measures can be enriched significantly without substantially raising the risk of a...
Prudence, Scope for Reducing Program Spending and Policy Rules on Medium-Term Fiscal Planning
Patrick Georges, Nicolas Moreau
This paper shows that managing the risk of a budget deficit has (at least) two elements, the level of fiscal prudence, and the scope for discretionary measures (e.g., scope for reducing program...
Risques et conséquences d’atteindre la borne inférieure du taux d’intérêt nominal de court terme
Bernard Babineau, Claude Lavoie, Nicolas Moreau
This paper examines the implications of the zero bound on nominal interest rates on the central bank’s ability to stimulate the economy during downturns. The analysis is conducted using a...
Spatial Mobility and Returns to Education:Some Evidence from a Sample of French Youth
Philippe Lemistre, Nicolas Moreau
The purpose of this article is to reevaluate the returns to geographic mobility and to the levelof education, taking into account the interaction between these two variables. We have at ourdisposal...
Collective Labor Supply: A Single-Equation Model and Some Evidence from French Data
In Chiappori's (1988) collective model of labor supply, hours of work are supposed flexible. In many countries, however, male labor supply does not vary much. In that case, the husband's labor supply...
SPATIAL MOBILITY AND RETURNS TO EDUCATION: SOME EVIDENCE FROM A SAMPLE OF FRENCH YOUTH
Philippe Lemistre, Nicolas Moreau
This study re-evaluates the returns to geographic mobility and to the level of education taking into account the interaction between these two variables, and using the distance covered as a proxy for...