1. Intelligent retrieval;Sparck Jones,1983
2. Distributed expert problern treatment as a model for information system analysis and design;Belkin;Journal of Information Science,1983
3. Simulation of a distributed expert-based information provision mechanism;Belkin;Information Technology: Research, Development, Applications,1984
4. Using problem structures for driving human-computer dialogues;Daniels,1985
5. Problem description and user models: developing an intelligent interface for document retrieval systems;Brooks,1985