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 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. Arabic.doi
Arabic has high derivational and inflectional complexity. For example, a single word can include affixes (prefixes, suffixes, infixes) that represent pronouns, conjunctions, and prepositions. often combined with triggers (i.e.