Hao, Q., Keppens, J. and Rodrigues, O. (2019) A self-training ontology-driven approach for topic classification (ST-OLDA). In Proceedings of the 12th International Conference on Computer Science and Information Technology. .

Hao, Q., Keppens, J. and Rodrigues, O. (2018) An Entity-Based Algorithm for Multiple-Relation Extraction from Single Sentences. In Journal of Biomedical Informatics ?: .

Hao, Q., Keppens, J. and Rodrigues, O. (2017) A Verb-based Algorithm for Multiple-Relation Extraction from Single Sentences. In Proceedings of the 16th International Conference on Information and Knowledge Engineering. 115-121.