LIU, T.-Y., YANG, Y., WAN, H., ZHOU, Q., GAO, B., ZENG, H.-J., CHEN, Z. & MA, W.-Y. (2005). An experimental study on large-scale web categorization. Special interest tracks and posters of the 14th international conference on World Wide Web (p./pp. 1106--1107), New York, NY, USA: ACM. ISBN: 1-59593-051-5