Her primary research interests are user interfaces and visualization for information retrieval, empirical computational linguistics, and text data mining. She has been promoting faceted navigation for many years via the Flamenco project, and has developed a number of other search user interfaces. She has also written the textbook chapter on search user interfaces for the widely used textbook Modern Information Retrieval. She teaches User Interface Design, Information Visualization and Presentation, Search Engines: Society Technology and Business, and Applied Computational Linguistics.