Learning Nonparametric Priors from Multiple Tasks

Posted in Science on October 13, 2008


Learning Nonparametric Priors from Multiple Tasks

Lecture slides:

  • Learning Nonparamatric Priors from Multiple Tasks
  • Multi-Task Learning
  • A Ranking Problem
  • A Multi-Task Ranking Problem
  • Multi-Task Ranking Problem
  • Outline
  • Ranking Problem
  • Ordinal Regression
  • One-task vs Multi-task
  • Outline
  • Bayesian Ordinal Regression
  • Graphical Model
  • Ranking Likelihood
  • Outline
  • Multi-Task Setting?
  • Bayesian Ordinal Regression
  • Collaborative Ordinal Regression
  • COR: The Model
  • COR: Graphical Model
  • COR: The Key Points
  • Toy Problem (GPR Model)
  • Learning
  • E-step
  • Learning
  • Ranking Likelihood
  • E-step
  • M-step
  • Inference
  • Inductive Inference
  • Inductive Inference (Cont.)
  • Outline
  • Experiments
  • Comparison Metrics
  • Results - MovieLens
  • Results - EachMovie
  • New Ranking Functions
  • Observations
  • Multi-label Text Categorization
  • Outline
  • Conclusion
  • Extensions
  • Related Work: Multi-Task Learning
  • Related Work: Rank Learning
  • Thanks!

Author: Shipeng Yu, University Of Munich

Watch Video

Tags: Science, Lectures, Computer Science, Machine Learning, VideoLectures.Net, Statistical Learning