288 <A HREF="http://homepages.inf.ed.ac.uk/jcheney/programs/aprolog/">here</A>. |
288 <A HREF="http://homepages.inf.ed.ac.uk/jcheney/programs/aprolog/">here</A>. |
289 The nominal unification algorithm has been |
289 The nominal unification algorithm has been |
290 <A HREF="http://www.inf.kcl.ac.uk/staff/urbanc/Unification">formally verified</A> in Isabelle. This |
290 <A HREF="http://www.inf.kcl.ac.uk/staff/urbanc/Unification">formally verified</A> in Isabelle. This |
291 was possible since this unification algorithm is formulated in a simple first-order language |
291 was possible since this unification algorithm is formulated in a simple first-order language |
292 (unlike other algorithms for higher-order unification). |
292 (unlike other algorithms for higher-order unification). |
293 <A HREF="http://www.cs.indiana.edu/~dfried/">Prof. Daniel Friedman</A> and his group use nominal |
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294 unification in their alpha-Kanren system implemented in Scheme. |
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295 <A HREF="http://www.inf.kcl.ac.uk/staff/maribel/">Prof. Maribel Fernandez</A> and her student |
293 <A HREF="http://www.inf.kcl.ac.uk/staff/maribel/">Prof. Maribel Fernandez</A> and her student |
296 improved the nominal unification algorithm to be quadratic. |
294 improved the nominal unification algorithm to be quadratic. |
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295 <A HREF="http://www.cs.indiana.edu/~dfried/">Prof. Daniel Friedman</A> and his group use nominal |
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296 unification in their alpha-Kanren system implemented in Scheme. This work has also found its |
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297 way into <A HREF="http://clojure.org">Clojure</A> as the <A HREF="https://github.com/clojure/core.logic/wiki/core.logic.nominal">core.logic.nominal</A> package. |
297 My funding for this work was provided through a research fellowship from |
298 My funding for this work was provided through a research fellowship from |
298 <A HREF="http://www.corpus.cam.ac.uk">Corpus Christi College</A>, Cambridge. |
299 <A HREF="http://www.corpus.cam.ac.uk">Corpus Christi College</A>, Cambridge. |
299 </TD> |
300 </TD> |
300 </TR> |
301 </TR> |
301 |
302 |