From highly relevant to not relevant: examining different regions of relevance 1This paper is a revised version of the conference paper: Spink, A. and Greisdorf, H. (1997) Partial relevance judgments during interactive information retrieval: An exploratory study. Proceedings of the 60th Annual Meeting of the American Society for Information Science, November 1–6, Washington, DC, pp. 323–334. 1 论文