Publications
2000. Logic-based query optimization for object databases. IEEE Transactions on Knowledge and Data Engineering. 12(4):529-547.
1997. Design and evaluation of incremental data structures and algorithms for dynamic query interfaces. IEEE Symposium on Information Visualization, 1997. Proceedings. :81-86.
1991. An algebra and calculus for relational multidatabase systems. , First International Workshop on Interoperability in Multidatabase Systems, 1991. IMS '91. Proceedings. :118-124.
1988. An efficient pictorial database system for PSQL. IEEE Transactions on Software Engineering. 14(5):639-650.
1980. Path expressions for complex queries and automatic database program conversion. Proceedings of the sixth international conference on Very Large Data Bases - Volume 6. :33-44.
1978. Improving the human factors aspect of database interactions. ACM Trans. Database Syst.. 3(4):417-439.