BMJ, Vol. 329, No. 7465. (4 September 2004), pp. 546-547.
Journal of the American Society for Information Science and Technology, Vol. 54, No. 11. (4 June 2003), pp. 1062-1068.
(2000), pp. 167-174.
Soft Computing in Web Information Retrieval (2006), pp. 161-194.
Journal of the ACM, Vol. 46, No. 5. (1999), pp. 604-632.
Web Intelligence, 2005. Proceedings. The 2005 IEEE/WIC/ACM International Conference on (2005), pp. 782-785.
(22 Apr 2008)
(2005), pp. 306-313.
No. 49372. (2002)
Journal of the ACM, Vol. 46, No. 5. (1999), pp. 604-632.
ACM Trans. Inf. Syst., Vol. 19, No. 2. (April 2001), pp. 131-160.
(1998), pp. 65-74.
(2001), pp. 903-910.
Journal of the ACM (JACM), Vol. 46, No. 5. (1999), pp. 604-632.
(2002), pp. 527-535.
(2001)
(1998), pp. 104-111.
(2004), pp. 319-327.
(2001)
(2005), pp. 242-249.
(2007), pp. 471-478.
(2002), pp. 353-354.
(2005), pp. 782-785.
(2006), pp. 111-114.
SIAM Rev., Vol. 47, No. 1. (2005), pp. 135-161.
(2003), pp. 266-275.
ACM Comput. Surv., Vol. 31, No. 4es. (1999)
(2001), pp. 258-266.
ACM Trans. Inf. Syst., Vol. 21, No. 1. (January 2003), pp. 42-63.
Inf. Process. Manage., Vol. 40, No. 5. (2004), pp. 751-772.