Semantic-Based Keyword Recovery Function for Keyword Extraction System Rachada Kongkachandra author Kosin Chamnongthai author 2006-05 text Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC’06) Nicoletta Calzolari editor Khalid Choukri editor Aldo Gangemi editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Daniel Tapias editor European Language Resources Association (ELRA) Genoa, Italy conference publication kongkachandra-chamnongthai-2006-semantic https://aclanthology.org/L06-1498/ 2006-05