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  • team
  • department
  • center
  • program_project
  • nrc
  • whocc
  • project
  • software
  • tool
  • patent
  • Administrative Staff
  • Assistant Professor
  • Associate Professor
  • Clinical Research Assistant
  • Clinical Research Nurse
  • Clinician Researcher
  • Department Manager
  • Dual-education Student
  • Full Professor
  • Honorary Professor
  • Lab assistant
  • Master Student
  • Non-permanent Researcher
  • Nursing Staff
  • Permanent Researcher
  • Pharmacist
  • PhD Student
  • Physician
  • Post-doc
  • Prize
  • Project Manager
  • Research Associate
  • Research Engineer
  • Retired scientist
  • Technician
  • Undergraduate Student
  • Veterinary
  • Visiting Scientist
  • Deputy Director of Center
  • Deputy Director of Department
  • Deputy Director of National Reference Center
  • Deputy Head of Facility
  • Director of Center
  • Director of Department
  • Director of Institute
  • Director of National Reference Center
  • Group Leader
  • Head of Facility
  • Head of Operations
  • Head of Structure
  • Honorary President of the Departement
  • Labex Coordinator
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© Research
Publication :

Agrégation de classements avec égalités: algorithmes, guides à l’utilisateur et applications aux données biologiques

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in - 25 Sep 2015

Bryan Brancotte

Thesis

L’agrégation de classements consiste à établir un consensus entre un ensemble de classements (éléments ordonnés). Bien que ce problème ait de très nombreuses applications (consensus entre les votes d’utilisateurs, consensus entre des résultats ordonnés différemment par divers moteurs de recherche…), calculer un consensus exact est rarement faisable dans les cas d’applications réels (problème NP-difficile). De nombreux algorithmes d’approximation et heuristiques ont donc été conçus. Néanmoins, leurs performances (en temps et en qualité de résultat produit) sont très différentes et dépendent des jeux de données à agréger. Plusieurs études ont cherché à comparer ces algorithmes mais celles-ci n’ont généralement pas considéré le cas (pourtant courant dans les jeux de données réels) des égalités entre éléments dans les classements (éléments classés au …