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Published in: Nature, 410 (2001) 6832, Seite 1023-1024

Published in: Nature (2001)

Published in: Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 371 (2013) 1987, Seite 1-5

Published in: SSRN Electronic Journal (2009)

Published in: Lecture Notes in Computer Science (2009), Seite 553-568

Published in: International Journal on Semantic Web and Information Systems, 5 (2009) 3, Seite 1-22

Published in: The Journal of The Institute of Electrical Engineers of Japan, 122 (2002) 10, Seite 676-680

Published in: Scientific American, 284 (2001) 5, Seite 34-43

Published in: Scientific American, 284 (2001) 5, Seite 34-43

Published in: ACM SIGBIO Newsletter, 12 (1992) 3, Seite 37-40

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Published in: Internet Research, 2 (1992) 1, Seite 52-58

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Published in: Communications of the ACM, 51 (2008) 6, Seite 82-87

Published in: Theory and Practice of Logic Programming, 8 (2008) 3, Seite 249-269

Published in: Communications of the ACM, 51 (2008) 7, Seite 60-69

Published in: Science, 313 (2006) 5788, Seite 769-771

Published in: Science, 313 (2006) 5788, Seite 769-771