Generic Text Summarization Using Probabilistic Latent Semantic Indexing Harendra Bhandari author Masashi Shimbo author Takahiko Ito author Yuji Matsumoto author 2008 text Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-I conference publication bhandari-etal-2008-generic https://aclanthology.org/I08-1018/ 2008