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Weak Supervision for Document Classification

Human-in-the-loopGuided analyticsDocument classificationSentiment analysisMovie reviews
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Nov 14, 2018 1:34 PM
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This workflow defines a fully automated web based application that will label your data using weak supervision. The workflow was designed for business analysts to easily go through documents to be labeled in any number of classes. The user provides euristhics, that is simple labeling functions. Some documents gets labeled, a generative model is applied, and a model can be trained using the a probabilistic input. Gradient Boosted Trees was used after the Weak Label. This workflow is made to be deployed on KNIME WebPortal via KNIME Server.

External resources

  • KNIME WebPortal - knime.com
  • Data License: Database Contents License (DbCL) v1.0
  • Data Source: Kaggle - IMDB Review Dataset
  • Weak Supervision: A New Programming Paradigm for Machine Learning - Alex Ratner et al - The Stanford AI Lab Blog
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Used extensions & nodes

Created with KNIME Analytics Platform version 4.5.1
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    KNIME Base nodesTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME Data GenerationTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Ensemble Learning WrappersTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME ExpressionsTrusted extension

    KNIME AG, Zurich, Switzerland

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    KNIME AG, Zurich, Switzerland

    Version 4.5.1

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    KNIME JavasnippetTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Machine Learning Interpretability ExtensionTrusted 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

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    KNIME Quick FormsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME TextprocessingTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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    KNIME Weak SupervisionTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.5.0

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