Indexing Student Essays Paragraphs Using LSA Over an Integrated Ontological Space Gaston G Burek author Maria Vargas-Vera author Emanuela Moreale author 2004-aug 28 text Proceedings of the Workshop on eLearning for Computational Linguistics and Computational Linguistics for eLearning COLING Geneva, Switzerland conference publication burek-etal-2004-indexing https://aclanthology.org/W04-1705/ 2004-aug 28 32 37