Arthur, I think you are referring to SPINx. You can find more on this at Help > SPIN > Using JavaScript to define SPIN/SPARQL Functions, but to summarize, you need to:
1. import TopBraid/TBC/spinx.owl into your SPIN model (or when creating a new SPIN model check "file may declare JavScript functions..." 2. Create a SPIN function with the same name as the JavaScript function 3. Reference your JavaScript file in the spinx:javaScriptFile (You can alternatively define the JavaScript directly in spinx:JavaScriptCode) The Math library from JavaScript is available to do sin(), cos(), max (), PI, etc. -- Scott On Jan 13, 7:44 pm, Arthur Keen <[email protected]> wrote: > I need to use expressions containing math functions like sqrt, power ,etc., > and constants like pi and e in the LET part of my spin rules. I came across > some examples on the web that use a math: namespace, Is there a library that > I can access? I vaguely recollect a discussion in the group a long time back > on doing this using javascript? > Arthur
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