| 1990 | ||
|---|---|---|
| 4 | Joseph A. Wald, Paul G. Sorenson: Explaining Ambiguity in a Formal Query Language. ACM Trans. Database Syst. 15(2): 125-161 (1990) | |
| 1988 | ||
| 3 | Joseph A. Wald: Implementing Constraints in a Knowledge Base. Expert Database Conf. 1988: 163-183 | |
| 1984 | ||
| 2 | Joseph A. Wald, Paul G. Sorenson: Resolving the Query Inference Problem Using Steiner Trees. ACM Trans. Database Syst. 9(3): 348-368 (1984) | |
| 1977 | ||
| 1 | Paul G. Sorenson, Joseph A. Wald: PICASSO - An Aid to an End-User Facility. SIGMOD Conference 1977: 30-39 | |
| 1 | Paul G. Sorenson | [1] [2] [4] |