Wang, Jinlong, Wu, Shunyao, Vu, Huy Quan and Li, Gang 2010, Text document clustering with metric learning, in Proceedings of the 33rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Association for Computing Machinery, New York, N.Y., pp. 783-784.
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One reason for semi-supervised clustering fail to deliver satisfactory performance in document clustering is that the transformed optimization problem could have many candidate solutions, but existing methods provide no mechanism to select a suitable one from all those candidates. This paper alleviates this problem by posing the same task as a soft-constrained optimization problem, and introduces the salient degree measure as an information guide to control the searching of an optimal solution. Experimental results show the effectiveness of the proposed method in the improvement of the performance, especially when the amount of priori domain knowledge is limited.