In case anyone wants to know what it is before dealing with a PDF:<p><i>Logic programming in the context of multiparadigm programming: the Oz experience</i><p><a href="http://docs.google.com/gview?url=http%3A%2F%2Farxiv.org%2FPS_cache%2Fcs%2Fpdf%2F0208%2F0208029v1.pdf" rel="nofollow">http://docs.google.com/gview?url=http%3A%2F%2Farxiv.org%2FPS...</a>