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  • [Automation Plug-in] Topic Modeling

  • Author : admin Version : 1.0 Date : 2018-03-23 16:36:51
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  • Author : CYRAM
    Date : 2018-03-16
    Version : 1.1 (Available for one document)
    Description : This plug-in is useful to find the hidden topics and visualize the result of topic modeling(LDA)
    Some newest update features of NetMiner are included in these plug-ins, please install the latest version of NetMiner(4.3.2.f).

    ----- How to Install ------

    1) Download an attachment.
    2) Register the NMX file in the plug-in manager.

    ----- How to Use ------

    * This plug-in requires 'Semantic Network Edition' or higher license.

    ① Import unstructured text data before running this plug-in(Menu File >> Import unstructured text)
    ② Go to Tools > Plug-ins > 'Automation Plug-in] Topic Modeling'
    ② Enter the threshold values of TF-IDF and word length to delete useless words.
    ③ Enter values for topic modeling(LDA) and visualization between topic and main words.
    ④ Press 'OK' button.
    ⑤ The process will be started. When the process is done, the following results will be generated.
    - Filtered Words : Words excluding the common and short words
    - Result[Documents...] : Word networks for each topic(You can find a network map for each topic by double-clicking 'Spring 2D' in sessions)
    - Topic Proportion : Pie chart of 'Frequency' in sessions shows the number of documents for each topic.
    - LDA_Result : Visualization for word - Topic network

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