Joseph A. Wald, Paul G. Sorenson. Resolving the Query Inference Problem Using Steiner Trees. ACM Trans. Database Syst., 9(3):348-368, 1984. [doi]
@article{WaldS84,
title = {Resolving the Query Inference Problem Using Steiner Trees},
author = {Joseph A. Wald and Paul G. Sorenson},
year = {1984},
doi = {10.1145/1270.1275},
url = {http://doi.acm.org/10.1145/1270.1275},
researchr = {https://researchr.org/publication/WaldS84},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {9},
number = {3},
pages = {348-368},
}