Quan, D., Huynh, D. & Karger, D. R. (2003). Haystack: A Platform for Authoring End User Semantic Web Applications. In D. Fensel, K. Sycara & J. Mylopoulos (eds.), The SemanticWeb - ISWC 2003 (p./pp. 738--753), September, Berlin/Heidelberg: Springer. ISBN: 978-3-540-20362-9