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ICITTextAnalysis

Author : Varun Venkatesh Copyright 2023

Presented at : Emerging Perspectives on the Harappan civilization. Colloquium Feb 10-12, 2023 at IIT Gandhinagar- https://asc.iitgn.ac.in/assets/events/training_workshop/Book_of_Abstracts_com.pdf. Page 80

Paper: Journal of Emerging Investigators, https://emerginginvestigators.org/articles/22-256

Poster: IEEE, ISEC Conference -https://www.ieee-isec.info/day/1


Indus script ICITcorpus Analysis

Dataset was created as a csv file from ICIT web site from raw html files for each for the Text Data labels were changes and a linearized copy of the original text was added. n-gram model was build from this corpus and various Tests run to decipher unclear characters

This is how you use this project:

Download All Jupyter Notebooks

  • Get the csv input files with Indus text data (not in GitHub). Contact Varun Venkatesh for this. Needed: icit_sign_corpus.csv icit_text_text_corpus.csv

  • Get the ICIT Sign image files from ICIT website (not in GitHub) for images to render correctly in the Jupyter notebook. Contact Varun Venkatesh for this.

  1. Run ICITTextAnalysis-InputDataProcessing-All This reads the csv, cleans up and pickles the cleaned up data

  2. Run ICITTextAnalysis-Textual Analysis This uses pickled csv, and runs Textual Analysis on the Indus texts

  3. Run ICITTextAnalysis- Distribution Analysis This uses pickled csv, and runs Distribution Analysis on the Indus texts

  4. Run ICITTextAnalysis-Language Models This uses pickled csv and runs language models and then pickles language model output

  5. Run ICITTextAnalysis- Helpers and Tests - This uses picked csv and pickled language models and runs analysis on the Indus texts for Sign Fill-in models.

  6. Run ICITTextAnalysis- Anomalous Text Analysis This is used to identify Anomalous texts in the Indus corpus from West Asia using Perplexity measures. Uses pickled csv and pickled language models.

Note: ICIT sign images don't render in github in these notbooks, as they are not uploaded to github. When you run these notebooks locally, you will need to have the image files locally.

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