نتایج جستجو برای: semantic feature

تعداد نتایج: 331971  

2006
Zhiping Shi Qingyong Li Zhiwei Shi Zhongzhi Shi

High-dimensional index is one of the most challenging tasks for content-based video retrieval (CBVR). Typically, in video database, there exist two kinds of clues for query: visual features and semantic classes. In this paper, we modeled the relationship between semantic classes and visual feature distributions of data set with the Gaussian mixture model (GMM), and proposed a semantics supervis...

2014
Liheng Xu Kang Liu Siwei Lai Jun Zhao

Product feature mining is a key subtask in fine-grained opinion mining. Previous works often use syntax constituents in this task. However, syntax-based methods can only use discrete contextual information, which may suffer from data sparsity. This paper proposes a novel product feature mining method which leverages lexical and contextual semantic clues. Lexical semantic clue verifies whether a...

Journal: :International Journal of Mechanical Engineering and Mechatronics 2014

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید