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Original Research
Published 5 October 2026
Hybrid semantic-lexical framework for ambiguity detection in software requirements using TF-IDF, character n-grams, and SBERT
Fariha Khalid · Muhammad Yaseen · Muhammad Awais Sattar · Abdelhamid Ghoul · Aida Mustapha
Frontiers in Artificial Intelligence
doi 10.3389/frai.2026.1901190