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Existing video search engines return a ranked list of videos for each user query, which is not convenient for browsing the results of query topics that have multiple facets, such as the “early life,” “personal life,” and “presidency” of a query “Barack Obama.” Organizing video search results into semantically structured hierarchies with nodes covering different topic facets can significantly improve...
Nowadays, more and more chatbots can get acquainted with the world by equipping with knowledge-rich minds which connect to Internet. In this paper, we will first explore how to integrate more knowledge into chatbot and how to make chatbot be aware of what are going on in the world. On top of that, a series of evaluations were performed on the prototype system. Through the evaluations, we mainly want...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.