Topic Modeling of Research Fields: An Interdisciplinary Perspective Michael Paul author Roxana Girju 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 paul-girju-2009-topic https://aclanthology.org/R09-1061/ 2009-09 337 342