Data and Reality, by William Kent. A timeless classic on the computational representation of, well, anything and everything.
The third and currently only published edition, published posthumously, insists on adding a bunch of mid-2000s era design conceits based on OO paradigms. An absolute travesty.
The third and currently only published edition, published posthumously, insists on adding a bunch of mid-2000s era design conceits based on OO paradigms. An absolute travesty.