William Ward Armstrong is a Canadian mathematician and computer scientist. He earned his Ph.D. from the University of British Columbia in 1966 and is most known as the originator Armstrong's axioms of dependency in a Relational database. Works William W. Armstrong, Yatsuka Nakamura, Piotr Rudnicki, "Armstrong's Axioms", Formalized Mathematics V. 11 No. 1, pp. 39 – 51, University of Bialystok, 2003. Guoliang Qu, John R. Feddes, Richard N. Coleman, William W. Armstrong, Jerry L. Leonard, Method and Apparatus for estimating odor concentration using an electronic nose, US patent 6,411,905 B1, June 25, 2002. W. W. Armstrong, D. O. Gorodnichy, Breaking Hyperplanes to fit Data with Applications to 3D World Modeling and Oil Sand Data Analysis, Proc. ICSC Symposium on Neural Computation, CD-ROM, publ. by ICSC Academic Press, Int'l Comp. Sci. Conv., Canada/Switzerland , Berlin, 2000,. Dmitry O. Gorodnichy, W. W. Armstrong, Neurocomputational Approach for Modeling Large Scale Environments from Range Data, ibid. W.W. Armstrong, B. Coghlan, D.O. Gorodnichy, Reinforcement learning for autonomous robot navigation, Proc. Int'l Joint Conf. on Neural Networks (IJCNN'99), Washington DC, July 21–23, 1999. D.O. Gorodnichy, W.W. Armstrong, Single Camera Stereo for Mobile Robots, Vision Interface (VI'99)Conference proceedings, Quebec, May 18–21, 1999. D.O. Gorodnichy, W.W. Armstrong, A Parametrical Alternative for Grids in Occupancy Based World Modeling, Proc. Quality Control by Artificial Vision Conference (QCAV'99), Trois Rivieres, 125-132, 1999. Dmitry O. Gorodnichy, William Ward Armstrong, X. Li, Adaptive logic networks for facial feature detection, Lecture Notes in Computer Science Vol. 1311, Proceedings of the 9th International Conference on Image Analysis and Processing-Volume II, , 1997. William W. Armstrong, Hardware requirements for fast evaluation of functions learned by adaptive logic networks,Proc. 1st Int'l Conf. ICES '96, Tsukuba, Evolvable Systems: From Biology to Hardware, , 17-22, Springer, 1996 Mark J. Polak, Sophia Zhou, Pentti M. Rautaharju, William W. Armstrong, Bernard R. Chaitman, Adaptive Logic Network Compared with Backpropagation Network in Automated Detection of Ischemia From Resting ECG, Computers in Cardiology, 217-220, 1995. Aleksandar Kostov, Brian J. Andrews, Dejan B.Popovic, Richard B. Stein, William W. Armstrong, Machine Learning in Control of Functional Electrical Stimulation Systems for Locomotion, IEEE Trans. on Biomedical Engineering, V. 42, No. 6, 541-551, 1995. Aleksandar Kostov, Brian Andrews, Richard B. Stein, Dejan Popovic, William W. Armstrong, Machine Learning in Control of Functional Electrical Stimulation for Locomotion, 16th Int'l Conf. on Engineering in Biology and Medicine, Baltimore MD, 418-419, 1994. Aleksandar Kostov, Richard B. Stein, Dejan Popovic, William