Her research interests lie at the intersection of machine learning, information retrieval, and natural language processing, with applications to scholarly digital libraries. She has published research papers in prestigious venues such as AAAI, IJCAI, WWW, and ICDM. Cornelia reviewed for many journals including Nature, ACM Transactions on Intelligent Systems and Technology, and IEEE Transactions on Knowledge and Data Engineering, served on several NSF panels, and was a program committee member for top conferences such as ACL, IJCAI, Coling, and CIKM. She also helped organize several workshops on scholarly big data in conferences such as AAAI, IEEE BigData, and CIKM.