This is a Video on Demand web portal for local teachers to search educational videos. It provides the most related videos for every topic in order to make the ease for users browsing.

The tag function is very important in this product. As users need to search the most related tag wordings for teaching use, therefore, we provides many different methods for finding tag wordings, like top search box, hot search keyword, tag wordings under every video thumbnail and the key concept module which contains all tag wordings.