Ontology Engineering and Knowledge Extraction for Cross-Lingual Retrieval Jantine Trapman author Paola Monachesi author 2009-09 text Proceedings of the International Conference RANLP-2009 Galia Angelova editor Ruslan Mitkov editor Association for Computational Linguistics Borovets, Bulgaria conference publication trapman-monachesi-2009-ontology https://aclanthology.org/R09-1081/ 2009-09 455 459