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    SDM
    2010
    SIAM
    144views Data Mining» more  SDM 2010»
    A Probabilistic Framework to Learn from Multiple Annotators with Time-Varying Accuracy
    13 years 10 months ago
    A Probabilistic Framework to Learn from Multiple Annotators with Time-Varying Accuracy
    Download  www.cs.cmu.edu
    This paper addresses the challenging problem of learning from multiple annotators whose labeling accuracy (reliability) differs and varies over time. We propose a framework based ...
    Pinar Donmez, Jaime G. Carbonell, Jeff Schneider
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    SDM
    2010
    SIAM
    191views Data Mining» more  SDM 2010»
    Active Ordering of Interactive Prediction Tasks
    13 years 10 months ago
    Active Ordering of Interactive Prediction Tasks
    Download  www.cs.cmu.edu
    Many applications involve a set of prediction tasks that must be accomplished sequentially through user interaction. If the tasks are interdependent, the order in which they are p...
    Abhimanyu Lad, Yiming Yang
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    SDM
    2010
    SIAM
    153views Data Mining» more  SDM 2010»
    Reconstruction from Randomized Graph via Low Rank Approximation
    13 years 10 months ago
    Reconstruction from Randomized Graph via Low Rank Approximation
    Download  coitweb.uncc.edu
    The privacy concerns associated with data analysis over social networks have spurred recent research on privacypreserving social network analysis, particularly on privacypreservin...
    Leting Wu, Xiaowei Ying, Xintao Wu
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    SDM
    2010
    SIAM
    130views Data Mining» more  SDM 2010»
    Learning Compressible Models
    13 years 10 months ago
    Learning Compressible Models
    Download  reports-archive.adm.cs.cmu.edu
    Yi Zhang 0010, Jeff Schneider, Artur Dubrawski
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    SDM
    2010
    SIAM
    146views Data Mining» more  SDM 2010»
    Towards Finding Valuable Topics
    13 years 10 months ago
    Towards Finding Valuable Topics
    Download  smallblue.research.ibm.com
    Enterprises depend on their information workers finding valuable information to be productive. However, existing enterprise search and recommendation systems can exploit few studi...
    Zhen Wen, Ching-Yung Lin
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    SDM
    2010
    SIAM
    184views Data Mining» more  SDM 2010»
    A Robust Decision Tree Algorithm for Imbalanced Data Sets
    13 years 10 months ago
    A Robust Decision Tree Algorithm for Imbalanced Data Sets
    Download  www.nd.edu
    We propose a new decision tree algorithm, Class Confidence Proportion Decision Tree (CCPDT), which is robust and insensitive to class distribution and generates rules which are st...
    Wei Liu, Sanjay Chawla, David A. Cieslak, Nitesh V...
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    EDM
    2008
    113views Data Mining» more  EDM 2008»
    Mining and Visualizing Visited Trails in Web-Based Educational Systems
    13 years 10 months ago
    Mining and Visualizing Visited Trails in Web-Based Educational Systems
    Download  sci2s.ugr.es
    A data mining and visualization tool for the discovery of student trails in web-based educational systems is presented and described. The tool uses graphs to visualize results, all...
    Cristóbal Romero, Sergio Gutiérrez S...
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    EDM
    2008
    97views Data Mining» more  EDM 2008»
    Using Item-type Performance Covariance to Improve the Skill Model of an Existing Tutor
    13 years 10 months ago
    Using Item-type Performance Covariance to Improve the Skill Model of an Existing Tutor
    Download  server-1.optim.cs.cmu.edu
    Using data from an existing pre-algebra computer-based tutor, we analyzed the covariance of item-types with the goal of describing a more effective way to assign skill labels to it...
    Philip I. Pavlik, Hao Cen, Lili Wu, Kenneth R. Koe...
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    EDM
    2008
    96views Data Mining» more  EDM 2008»
    Labeling Student Behavior Faster and More Precisely with Text Replays
    13 years 10 months ago
    Labeling Student Behavior Faster and More Precisely with Text Replays
    Download  www.cs.cmu.edu
    We present text replays, a method for generating labels that can be used to train classifiers of student behavior. We use this method to label data as to whether students are gamin...
    Ryan Shaun Joazeiro de Baker, Adriana M. J. B. de ...
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    EDM
    2008
    141views Data Mining» more  EDM 2008»
    An Open Repository and analysis tools for fine-grained, longitudinal learner data
    13 years 10 months ago
    An Open Repository and analysis tools for fine-grained, longitudinal learner data
    Download  pslcdatashop.org
    We introduce an open data repository and set of associated visualization and analysis tools. The Pittsburgh Science of Learning Center's "DataShop" has data from tho...
    Kenneth R. Koedinger, Kyle Cunningham, Alida Skogs...
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