| Summary: | 碩士 === 國立中正大學 === 資訊工程研究所 === 99 === Recently, video has become a popular data type. More and more users make their own video and share it on the internet. Therefore, to provide a system for users to share and search video is important. In this thesis, we designed and implemented a new video sharing and searching system. Our search engine uses user behavior data to optimize the ranking effect and provides a new ranking mechanism that allows users to control the ranking of the results through a combination of sorting criteria such that the user can adjust the ranking effect to fit his/her personal preference. The ranking criteria includes "keyword matching degree", "click count", "like count", and "whether cached". A user interface similar to an audio equalizer is provided for the user to control the ranking parameters in an easy and intuitive way. In addition, we provide a search result classification mechanism to group search results by their categories. We also provide video caching to improve the efficiency in viewing videos.
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