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  • 01_Guided_Labeling_for_Document_Classification
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Guided Labeling for Document Classification

Active learning Human-in-the-loop Guided analytics Document classification Sentiment analysis
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This workflow defines a fully automated web based application that will label your data using active learning and weak supervision. The workflow was designed for business analysts to easily go through documents to be labeled in any number of classes. In each iteration the user labels more documents and the model is trained using the already labeled instances. With every new iteration, the model proposes documents based on a exploration vs exploitation approach. Once the user is happy with the overall potential falling below a certain value, they can exit the loop and export the model to label the remaining instances. Additionally the workflow lets the user defines rules to label instantly a portion of the dataset with a certain condition. These rules provide weak signals for the weak supervision model training. Rules can be updated at any iteration. This workflow is made to be deployed on KNIME WebPortal via KNIME Server.

External resources

  • KNIME Blog - Labeling with Active Learning (Uncertainty Sampling)
  • KNIME WebPortal - knime.com
  • Data License: Database Contents License (DbCL) v1.0
  • Data Source: Kaggle - IMDB Review Dataset
  • Active learning for object classification - Nicolas Cebron et al - Data Min Knowl Disc (2009)
  • Burr Settles, Active Learning Literature Survey, 2010 - Chapter 3.1 Uncertainty Sampling

Used extensions & nodes

Created with KNIME Analytics Platform version 4.5.1
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    KNIME Active Learning Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Base nodes Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME Basic File System Connectors Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME Data Generation Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Ensemble Learning Wrappers Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Expressions Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME JavaScript Views Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME Javasnippet Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Math Expression (JEP) Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

  • Go to item
    KNIME Network Mining Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Quick Forms Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Textprocessing Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Weak Supervision Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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Legal

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