Wu, Guan-LongKuo, Yin-HsiChiu, Tzu-HsuanXie, LexingHsu, Winston H.2015-12-101070-986Xhttp://hdl.handle.net/1885/65736Retrieving relevant videos from a large corpus on mobile devices is a vital challenge. This article addresses two key issues for mobile search on user-generated videos. The first is the lack of good relevance measurement for learning semantically rich repKeywords: Explicit semantic analysis; hashing; Mobile video; multimedia; Multimedia applications; sparsity; Video search; Cost reduction; Mobile devices; Mobile telecommunication systems; Video streaming; Semantics content-based video search; explicit semantic analysis; hashing; mobile video retrieval; multimedia; multimedia applications; sparsity201310.1109/MMUL.2013.132016-02-24