#Paper Reading# Joint Matrix Factorization and Manifold-Ranking for Topic-Focused Multi-Document Sum
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论文题目:Joint Matrix Factorization and Manifold-Ranking for Topic-Focused Multi-Document Summarization
论文地址:http://dl.acm.org/citation.cfm?id=2767765
论文发表于:SIGIR 2015(CCF A类) 短文
论文大体内容:
本文将矩阵分解与流形排序(Manifold-ranking)组合起来,得到JMFMR的新模型,用于多文档摘要(extractive式),通过实验发现取得了不错的效果。
1、流形排序(Manifold-ranking)的优化方程如下
2、矩阵分解WTMF的优化方程如下
3、将矩阵分解与流形排序(Manifold-ranking)组合起来,得到如下优化方程,其中两者的关联,体现在W’与W”矩阵
4、将优化方程拆分为两个,不断迭代优化两个方程,从而得到每个句子的打分F向量;
5、使用论文[1]中的考虑diversity的生成摘要的方法,抽取摘要;
6、在DUC2006的实验结果
参考资料:
[1]、http://blog.csdn.net/John159151/article/details/74076521
以上均为个人见解,因本人水平有限,如发现有所错漏,敬请指出,谢谢!
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