Mitchell_T: 26 documents, from the least to the most probable paper
Perplexity score: Contribution score:  Title
   2002.971264          -0.421   A Method for Estimating Occupational Radiation Dose to Individuals, Using Weekly Dosimetry Data
   916.829565           -0.327   Improving Text Classification by Shrinkage in a Hierarchy of Classes
   845.419033           -0.323   Text Classification from Labeled and Unlabeled Documents using EM
   845.419033           -0.477   Text Classification from Labeled and Unlabeled Documents using EM
   806.262281           -0.323   Office Automation Systems that are "Programmed" by their Users
   724.084090           0.000   WebWatcher: A Tour Guide for the World Wide Web
   712.615275           -0.377   Learning to Classify Text from Labeled and Unlabeled Documents
   653.714398           -0.120   Experience With a Learning Personal Assistant
   530.490475           -0.037   Data Mining at CALD-CMU: Tools, Experiences and Research Directions
   473.942375           -0.274   A Case Study in Using Linguistic Phrases for Text Categorization on the WWW
   437.933167           -0.456   Reconstructing 3D Pose and Motion from a Single Camera View
   411.458819           0.188   Explanation-Based Learning for Mobile Robot Perception
   400.800401           0.212   Explanation-Based Learning for Mobile Robot Perception
   377.587538           0.089   Learning to Extract Symbolic Knowledge from the World Wide Web
   366.390757           -0.222   Improving Learning Accuracy in Information Filtering
   324.803992           -0.196   Discovering Test Set Regularities in Relational Domains
   308.536870           -0.067   Learning to Extract Symbolic Knowledge from the World Wide Web
   306.056815           -0.229   WebWatcher: Machine Learning and Hypertext
   266.497942           0.172   Learning One More Thing
   266.497942           0.291   Learning One More Thing
   264.233529           0.166   Explanation Based Learning for Mobile Robot Perception
   264.233529           0.121   Explanation Based Learning for Mobile Robot Perception
   246.360419           0.018   Explanation Based Learning for Mobile Robot Perception
   217.286484           0.191   Explanation Based Learning: A Comparison of Symbolic and Neural Network Approaches
   130.726460              -     Explanation-Based Neural Network Learning for Robot Control
   127.297374           0.183   Explanation-Based Neural Network Learning for Robot Control