Faceted topic retrieval of news video using joint topic modeling of visual features and speech transcripts

• Main Authors: WAN, Kong-Wah, TAN, Ah-hwee, LIM, Joo-Hwee, CHIA, Liang-Tien
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2010
• Subjects: faceted topic retrieval; multimedia topic modeling; latent Dirichlet allocation; Artificial Intelligence and Robotics; Databases and Information Systems
• Online Access: https://ink.library.smu.edu.sg/sis_research/6875; https://ink.library.smu.edu.sg/context/sis_research/article/7878/viewcontent/Faceted_topic_retrieval_of_news_video_using_joint_topic_modeling_of_visual_features_and_speech_transcripts.pdf
• Institution: Singapore Management University

Because of the inherent ambiguity in user queries, an important task of modern retrieval systems is faceted topic retrieval (FTR), which relates to the goal of returning diverse or novel information elucidating the wide range of topics or facets of the query need. We introduce a generative model for...