Home › Authors › ACM-Sigmod International Conference on Management of Data (1989 Portland, Or.) 👤 ACM-Sigmod International Conference on Management of Data (1989 Portland, Or.) 2 books Books by ACM-Sigmod International Conference on Management of Data (1989 Portland, Or.) Proceedings of the 1989 ACM SI Proceedings of the 1989 ACM SIGMOD International Conference on the Management of Data, Portland, Oregon 1989 Proceedings of the 1989 ACM SI Proceedings of the 1989 ACM SIGMOD International Conference on the Management of Data, Portland, Oregon 2 June 1989 1989