Dr Ingrid Hsieh-Yee is a full professor of the School of Library and Information Science at the Catholic University of America. With a doctoral degree in library and information studies from the University of Wisconsin-Madison, she specializes in information organization and access. Her research interests include organization of information, user interactions with information systems, metadata, digital collections, and research methods. Dr. Hsieh-Yee has won several research awards. In recent years she investigated users' Web search behaviour, users' experience and perceptions of a federated search system, the search performance of Google Scholar and Academic Search Premier, and the effects of subject headings and table of contents on subject searches. She has published extensively.