Relevance feedback: usage, usability, utility

User preferences when searching individual and integrated full-text databases

Proceedings of the fourth ACM conference on Digital libraries

Helping people find what they don't know

Communications of the ACM

Relevant term suggestion in interactive web search based on contextual information in query session logs

Journal of the American Society for Information Science and Technology

Supporting ease-of-use and user control: desired features and structure of web-based online IR systems

Information Processing and Management: an International Journal