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Anuvaad Corpus Tools

Overview

This repository houses the crawler code for building the Anuvaad parallel corpus. The ultimate goal is to build quality parallel datasets across various domains (General, Judicial, Educational, Financial, Press, etc) & various Indian languages.

The current set of crawlers are built to scrape, tokenizer and align multilingual reports/documents available at various sources.

  1. Press Information Bureau (http://pib.gov.in)
  2. Press Information Bureau Archives (http://pibarchive.nic.in)
  3. Wikipedia (https://www.wikipedia.org)
  4. Prothomalo (https://www.prothomalo.com)
  5. Newsonair (http://newsonair.com)
  6. Indianexpress (https://indianexpress.com)
  7. DW (https://dw.com)
  8. Goodreturns (https://www.goodreturns.in/)
  9. Jagran-Josh (https://www.jagran.com/)
  10. Tribune (https://tribuneindia.com)
  11. Times of India (https://timesofindia.indiatimes.com/)
  12. Zee News (https://zeenews.india.com/)
  13. Pranabmukherjii (http://pranabmukherjee.nic.in/)
  14. Eparliament(http://eparlib.nic.in/)
  15. Ebalbook(https://cart.ebalbharati.in/BalBooks/ebook.aspx)
  16. National Institute of Open Schooling (https://nios.ac.in/)
  17. tntextbooks(https://www.tntextbooks.in/p/school-books.html)
  18. keralatextbooks(https://samagra.kite.kerala.gov.in/#/textbook/page)

Processing Steps

The broader steps involved in all the tools can be generalized to the following :

1. Scraping

Hit the required web page & download the contents in respective languages.

2. Tokenizing

The process of spliting the scraped document into individual sentences using the Tokenizer.

3. Sentence Aligning

The process of pairing the sentences across different languages which has the same meaning.

4. Data Validation Pipeline

This involves both model based validation & generating an ideal sample for manual review.

Parallel Corpus

The parallel corpus of the above datasets are available under : anuvaad-parallel-corpus