88 research outputs found
Folksonomy: the New Way to Serendipity
Folksonomy expands the collaborative process by allowing contributors to index content. It rests on three powerful properties: the absence of a prior taxonomy, multi-indexation and the absence of thesaurus. It concerns a more exploratory search than an entry in a search engine. Its original relationship-based structure (the three-way relationship between users, content and tags) means that folksonomy allows various modalities of curious explorations: a cultural exploration and a social exploration. The paper has two goals. Firstly, it tries to draw a general picture of the various folksonomy websites. Secundly, since labelling lacks any standardisation, folksonomies are often under threat of invasion by noise. This paper consequently tries to explore the different possible ways of regulating the self-generated indexation process.taxonomy; indexation; innovation and user-created content
On clustering procedures and nonparametric mixture estimation
This paper deals with nonparametric estimation of conditional den-sities in
mixture models in the case when additional covariates are available. The
proposed approach consists of performing a prelim-inary clustering algorithm on
the additional covariates to guess the mixture component of each observation.
Conditional densities of the mixture model are then estimated using kernel
density estimates ap-plied separately to each cluster. We investigate the
expected L 1 -error of the resulting estimates and derive optimal rates of
convergence over classical nonparametric density classes provided the
clustering method is accurate. Performances of clustering algorithms are
measured by the maximal misclassification error. We obtain upper bounds of this
quantity for a single linkage hierarchical clustering algorithm. Lastly,
applications of the proposed method to mixture models involving elec-tricity
distribution data and simulated data are presented
Folksonomy: the New Way to Serendipity
Folksonomy expands the collaborative process by allowing contributors to index content. It rests on three powerful properties: the absence of a prior taxonomy, multi-indexation and the absence of thesaurus. It concerns a more exploratory search than an entry in a search engine. Its original relationship-based structure (the three-way relationship between users, content and tags) means that folksonomy allows various modalities of curious explorations: a cultural exploration and a social exploration. The paper has two goals. Firstly, it tries to draw a general picture of the various folksonomy websites. Secundly, since labelling lacks any standardisation, folksonomies are often under threat of invasion by noise. This paper consequently tries to explore the different possible ways of regulating the self-generated indexation process
Managing conflicts between users in Wikipedia
Wikipedia is nowadays a widely used encyclopedia, and one of the most visible
sites on the Internet. Its strong principle of collaborative work and free
editing sometimes generates disputes due to disagreements between users. In
this article we study how the wikipedian community resolves the conflicts and
which roles do wikipedian choose in this process. We observed the users
behavior both in the article talk pages, and in the Arbitration Committee pages
specifically dedicated to serious disputes. We first set up a users typology
according to their involvement in conflicts and their publishing and management
activity in the encyclopedia. We then used those user types to describe users
behavior in contributing to articles that are tagged by the wikipedian
community as being in conflict with the official guidelines of Wikipedia, or
conversely as being well featured.Comment: 12 p
Cultures territoriales et sociabilités dans le mouvement
Contrat de recherche "Cultures, villes et dynamiques sociales"Cette recherche tente de comprendre le rĂŽle du mouvement dans la composition de cultures et de territoires, constamment redĂ©finis par les coordinations entre reprĂ©sentations et pratiques ; Ă diffĂ©rentes Ă©chelles, interactionnelle, structurale, temporelle, ou spatiale. Afin de surmonter les Ă©preuves qu'entrainent les contradictions Ă©ventuelles entre ces Ă©chelles, les institutions jouent un rĂŽle majeur dans la rationalisation de ces cultures et de ces territoires. Elles tentent ainsi de repousser les frottements, les incertitudes et les troubles que provoquent les rĂ©actualisations de la dimension territoriale des cultures et de la dimension culturelle des territoires. Or, nos quatre terrains d'enquĂȘte (un village touristique, les 'seuils' entre une salle d'Ă©change RATP et un Centre Commercial, une performance publique de hackers et des rassemblement de jeunes), montrent que les tensions participent de maniĂšre essentielle Ă l'hybridation de ces "cultures territoriales". En faisant appel Ă des compĂ©tences distribuĂ©es parmi les acteurs et les espaces, les mises en mouvement nous permettent en effet d'expĂ©rimenter la vulnĂ©rabilitĂ© de ces "cultures territoriales", mais aussi leur capacitĂ© mobilisatrice
Sociologie pragmatique de la politique et de la morale
Laurent ThĂ©venot, directeur dâĂ©tudes Pouvoirs et oppressions : de la garantie de capacitĂ©s Ă lâouverture critique Alors que la notion de pouvoir prend couramment un tour critique dans les sciences sociales et politiques, lâaffermissement du pouvoir de lâindividu est par ailleurs mis en avant sous lâinfluence du libĂ©ralisme politique (empowerment, capability). LâintĂ©gration de ces deux approches du pouvoir importe pour Ă©clairer ce que le libĂ©ralisme fait Ă la critique, ainsi que pour ouvrir ce..
Sociologie pragmatique de la politique et de la morale
Laurent ThĂ©venot, directeur dâĂ©tudes Pouvoirs, oppressions : garantie de capacitĂ©s et ouvertures critiques Par quelles voies et en rencontrant quels obstacles la personne affectĂ©e dans ses engagements chemine-t-elle dans lâexpression de lâatteinte quâelle subit, afin de communiquer une oppression et de la transformer ou non en critique publique ? La rĂ©ponse Ă cette question, qui oriente le sĂ©minaire sur plusieurs annĂ©es, sâinscrit dans une perspective historique et critique sur lâĂ©volution de..
Sociologie pragmatique de la politique et de la morale
Laurent ThĂ©venot, directeur dâĂ©tudes Pouvoirs et oppressions : de la garantie de capacitĂ©s Ă lâouverture critique Alors que la notion de pouvoir prend couramment un tour critique dans les sciences sociales et politiques, lâaffermissement du pouvoir de lâindividu est par ailleurs mis en avant sous lâinfluence du libĂ©ralisme politique (empowerment, capability). LâintĂ©gration de ces deux approches du pouvoir importe pour Ă©clairer ce que le libĂ©ralisme fait Ă la critique, ainsi que pour ouvrir ce..
Sociologie dâun monde libĂ©ral : fascination, oppression, dĂ©pression
Laurent ThĂ©venot, directeur dâĂ©tudesNicolas Auray, maĂźtre de confĂ©rences Ă lâENSTMarc Breviglieri, professeur Ă lâHES, GenĂšve La sociologie dâun monde libĂ©ral a Ă©tĂ© dĂ©veloppĂ©e cette annĂ©e Ă partir de trois chantiers de recherche portant sur : 1) les variations du projet libĂ©ral dans la crĂ©ation dâespaces communs et de communautĂ©s Ă©quipĂ©es de technologies de lâinformation ; 2) le reste du projet libĂ©ral, qui apparaĂźt notamment lors des mises en commun conviviales ou festives et quâĂ©claire la g..
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