Algorithms and data structures for the implementation of a relational database system

Spatial query processing in an object-oriented database system

SIGMOD '86 Proceedings of the 1986 ACM SIGMOD international conference on Management of data

Redundancy in spatial databases

SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data

A class of data structures for associative searching

PODS '84 Proceedings of the 3rd ACM SIGACT-SIGMOD symposium on Principles of database systems

A Dynamic Hash File for Random and Sequential Accessing

VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases