## 4 Methodology
### Gathering Metadata
\begin{table}
\begin{tabular}{l l l l} \hline
**Ref.** & **Corpus Name (Categories)** & **Repository/Link to Access** & **Size** \\ \hline
[14] & OSCAR corpus (web crawling data) & OSCAR’s web page [[https://oscar-project.org](https://oscar-project.org)]([https://oscar-project.org](https://oscar-project.org)) & \multirow{2}{*}{\(\sim\)82 GB} \\  & & accessed on 3 August 2022 & \\ \hline
[15] & Arabic Wikipedia articles (encyclopedia articles) & Wikimedia dump: & \\  & & [[https://dumps.wikimedia.org/arwiki/](https://dumps.wikimedia.org/arwiki/)]([https://dumps.wikimedia.org/arwiki/](https://dumps.wikimedia.org/arwiki/)) & \(\sim\)2.27 GB \\  & & accessed on 3 August 2022 & \\ \hline
[16] & Aljazeera News (Aljazeera articles through web scraping) & Kaggle: & \\  & & [[https://www.kaggle.com/datasets/arhouati/](https://www.kaggle.com/datasets/arhouati/)]([https://www.kaggle.com/datasets/arhouati/](https://www.kaggle.com/datasets/arhouati/)) & \\  & & arabic-news-articles-from-aljazeeranet accessed on 10 August 2022 & \\ \hline
[17] & SANAD (culture, health, politics, religion, and tech) & Kaggle: [[https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)]([https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)) & \\  & & haithemhermessi/sanad-dataset accessed on & \\  & & 10 August 2022 & \\ \hline
[18] & KSUCCA (classical Islamic Arabic texts) & SourceForge: & \\  & & [[https://sourceforge.net/projects/ksucca-corpus/](https://sourceforge.net/projects/ksucca-corpus/)]([https://sourceforge.net/projects/ksucca-corpus/](https://sourceforge.net/projects/ksucca-corpus/)) & \\  & & accessed on 16 September 2022 & \\ \hline
[19] & Arabic BERT Corpus (historical and Arabic & Kaggle: [[https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)]([https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)) & \\  & Wikipedia) & abedkhooli/arabic-bert-corpus accessed on & \(\sim\)6 GB \\  & & 10 August 2022 & \\ \hline
[20] & Arabic News Dataset (entrepreneurship, science, and tech) & Kaggle: [[https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)]([https://www.kaggle.com/datasets/](https://www.kaggle.com/datasets/)) & \\  & & asmaaabdelwahab/arabic-news-dataset & \(\sim\)33 MB \\  & & accessed 10 August 2022 & \\ \hline
[21] & Watan/Khaleej news (culture, religion, economy, sport) & Soft112.com: [[https://arabic-corpus.soft112.com](https://arabic-corpus.soft112.com)]([https://arabic-corpus.soft112.com](https://arabic-corpus.soft112.com)) & \\  & & accessed on 26 September 2022 & \\ \hline
[22] & Tashkeela (Islamic classical books) & SourceForge: & \\  & & [[https://sourceforge.net/projects/tashkeela/](https://sourceforge.net/projects/tashkeela/)]([https://sourceforge.net/projects/tashkeela/](https://sourceforge.net/projects/tashkeela/)) & \\  & & accessed on 16 September 2022 & \\ \hline
[23] & ANT (culture, economy, politics, society, and sport) & GitHub: [[https://antcorpus.github.io](https://antcorpus.github.io)]([https://antcorpus.github.io](https://antcorpus.github.io)) accessed on 13 August 2022 & \\ \hline
[24] & MNAD (business, policy, national, health, sport, and tech) & Kaggle: & \\  & & [[https://www.kaggle.com/datasets/jmourad1](https://www.kaggle.com/datasets/jmourad1)]([https://www.kaggle.com/datasets/jmourad1](https://www.kaggle.com/datasets/jmourad1)) & \\  & & 00/mnad-moroccan-news-articles-dataset & \\  & & accessed on 10 August 2022 & \\ \hline
[25] & CC100-Aarbic Dataset (web crawling data) & Metatext: & \\  & & [[https://metatext.io/datasets/cc100-arabic](https://metatext.io/datasets/cc100-arabic)]([https://metatext.io/datasets/cc100-arabic](https://metatext.io/datasets/cc100-arabic)) & \\  & & accessed on 27 August 2022 & \\ \hline
[26] & EASC (Arabic articles with & Metatext: [[https://metatext.io/datasets/essex-](https://metatext.io/datasets/essex-)]([https://metatext.io/datasets/essex-](https://metatext.io/datasets/essex-)) & \\  & human-generated summaries) & arabic-summaries-corpus-(easc) accessed on 29 & \\  & & August 2022 & \\ \hline
[27] & Arabic in Business and Management & Metatext: [[https://metatext.io/datasets/arabic-](https://metatext.io/datasets/arabic-)]([https://metatext.io/datasets/arabic-](https://metatext.io/datasets/arabic-)) & \\  & & in-business-and-management-corpora-(abmc) & \\  & & accessed on 29 August 2022 & \\ \hline
[28] & [PERSON] corpus (articles from eight & [PERSON]’s web page: & \\  & Arabic countries) & [[http://www.abuelkhair.net/index.php/en/](http://www.abuelkhair.net/index.php/en/)]([http://www.abuelkhair.net/index.php/en/](http://www.abuelkhair.net/index.php/en/)) & \\  & & arabic/abu-el-khair-corpus accessed on & \\  & & 20 September 2022 & \\ \hline \end{tabular}
\end{table}