Knowledge and database systems laboratory

Recent Publications

R. Ng, C. Faloutsos and T. Sellis, "Flexible Buffer Allocation Based on Marginal Gains", Proceedings of the 1991 ACM-SlGMOD International Conference on the Management of Data, Denver, C0, May 1991.

T. Sellis and L. Shapiro, "Query Optimization for Non-traditional Database Applications " , IEEE Transactions on Software Engineering, Vol . 17, No. 1 , January 1991.

Y. loannidis and T. Sellis, "Supporting Inconsistent Rules in Database Systems", Journal of Intellgent Information Systems, Vol.1, No.3/ 4, December 1992.

M. Koubarakis, "Dense Time and Temporal Constraints with 'not equals' Proceedings of the 3rd Internationai Conference on Principles of Knowledge Representation and Reasoning (KR'92), pp.24-35, October 1992.

D. Papadias and T. Sellis, "Spatial Reasoning Using Symbolic Arrays" Proceedings of the International Conference on GIS, From Space to Territory Theory and Methods of Spatio-Temporal Reasoning, Pisa, Italy, September 1992.

Y. loannidis, R. Ng, K. Shim, and T. Sellis, "Parametric Query Optimization" , Proceedings of the 1992 International Conference on Very L,arge Data Bases , Vancouver , Canada, September 1992.

T. Sellis and C-C. Lin, "A Geometric Approach to Indexing Large Rule Bases" , Proceedings of the 1992 International Conference on Extending Data Base Technology, Vienna, Austria, March 1992.

Y. Theodoridis, T. Sellis, "A Geographical Database Management System", to appear in the Proceedings of the 3rd Panhellenic Conference on Informatics, Patra, Greece, December 1993.

D. Papadias, "Spatial Relation-Based Representation Systems",. In A.U. Frank, I. Campari, U. Formentini, (eds.) European Conference Spatial Information Theory, COSIT 93, Elba, Italy. Springer Verlag, September 1993.

D. Papadias, and T. Sellis, "The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes", In A.U. Frank, I. Campari. U. Formentini, (eds.) Proceedings of the European Conference Spatial Information Theory, COSIT 93, Elba, Italy. Springer Verlag, September 1993.

M . Koubarakis, " Representation and Querying in Temporal Databases: the Power of Temporal Constraints" , Proceedings of the 9th International Conference on Data Engineering, pages 327-334, April 1993.

M. Sellis, C-C. Lin, and L. Rashid, "Coupling Production Systems and Database Systems: A Homogeneous Approach", IEEE Transactions on Knowledge and Data Engineering, Vol.5, No.2, April 1993.

L. Raschid, T. Sellis and A. Delis, "A Simulation-Based Study on the Concurrent Execution of Rules in a Database Environment' ' , Journal of Parallel and Distribute Computing, to appear.