- SIGIR Forum 45(2):94-98 (2011)
- I. J. Knowledge and Web Intelligence 2(2/3):138-156 (2011)
- ICLS 2, page 19-26. International Society of the Learning Sciences, (2008)
- Web Intelligence/IAT Workshops, page 351-356. IEEE Computer Society, (2011)
- MSN, page 9-14. IEEE Computer Society, (2011)
- AIED, volume 6738 of Lecture Notes in Computer Science, page 115-122. Springer, (2011)
- ISAmI, volume 92 of Advances in Intelligent and Soft Computing, page 59-67. Springer, (2011)
- IEEE Transactions on Systems, Man, and Cybernetics, Part C 30(1):119-124 (2000)
- IEEE Software 16(5):103-111 (1999)
- CENTERIS 2, volume 110 of Communications in Computer and Information Science, page 109-118. Springer, (2010)
- TPDL, volume 6966 of Lecture Notes in Computer Science, page 244-251. Springer, (2011)
- J. Comb. Theory, Ser. A 11(1):101-105 (1971)
- J. Comb. Theory, Ser. A 11(2):139-147 (1971)
- J. Comb. Theory, Ser. A 16(1):76-86 (1974)
- AMKM, volume 2926 of Lecture Notes in Computer Science, page 143-161. Springer, (2003)
- AI Magazine 32(1):93-100 (2011)
- DEXA, volume 1460 of Lecture Notes in Computer Science, page 196-205. Springer, (1998)
- #Biomtrcs# (2003)
- John Wiley \& Sons, 2nd edition, (2003)
- Digital, (1991)


author