@INPROCEEDINGS
        { BYNsigir00,
          TITLE = "XQL and Proximal Nodes (Preliminary Version)",
          AUTHOR = "R. Baeza-Yates and G. Navarro",
          BOOKTITLE = {Proc. XML Workshop of SIGIR (23rd Annual International {ACM SIGIR} Conference on Research and Development in Information Retrieval)},
          YEAR = 2000
        }