• Dan Suciu, Limsoon Wong,
    On Two Forms of Structural Recursion
    In Proceedings of the Fifth International Conference on Database Theory, pp. 111-124, January, 1995
  • Peter Buneman, Leonid Libkin, Dan Suciu, Val Tannen, Limsoon Wong,
    Comprehension Syntax
    Published in SIGMOD Record, vol. 23 , no. 1 , pp. 87-96 , March , 1994