Bruce W. Ballard, John C. Lusth, Nancy L. Tinkham. LDC-1: A Transportable, Knowledge-Based Natural Language Processor for Office Environments. ACM Trans. Inf. Syst., 2(1):1-25, 1984. [doi]
@article{BallardLT84,
title = {LDC-1: A Transportable, Knowledge-Based Natural Language Processor for Office Environments},
author = {Bruce W. Ballard and John C. Lusth and Nancy L. Tinkham},
year = {1984},
doi = {10.1145/357417.357418},
url = {http://doi.acm.org/10.1145/357417.357418},
tags = {rule-based, C++, Meta-Environment},
researchr = {https://researchr.org/publication/BallardLT84},
cites = {0},
citedby = {0},
journal = {ACM Trans. Inf. Syst.},
volume = {2},
number = {1},
pages = {1-25},
}