Arabic is derived from triconsonantal roots. Hundreds of distinct words can stem from a single root, making root-based stemming (finding the root) or lemmatization (finding the dictionary form) crucial for reducing vocabulary size and identifying topics.
Techniques like Term Frequency-Inverse Document Frequency (TFIDF) and k-Nearest Neighbors (kNN) are used, often combined with triggers (i.e., Average Mutual Information) to improve results. Arabic.doi
Arabic discourse frequently employs specific linguistic markers, such as the frequent use of the "Wa" (and) connector, which impacts how information is structured in large text chunks. To help you further, are you focusing on: Arabic is derived from triconsonantal roots