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Along with the popularity of broadband networks, the Web2.0 technology development, network video industry in recent years, an emerging global media industry. Domestic mainstream media, commercial websites, technology companies and individual entrepreneurs have entered the industry, to establish a large number of different types of video site. A growing number of Internet users watch video via the Internet, there are a lot of Internet users has been uploaded to the site to produce their own video. Video site on the impact of modern life is increasing. Donghua University Graduate Multimedia Experience Center application platform, launched a specific research work on several key issues of Flash video site log data collection and pretreatment technology. This paper presents the operating information of the client user defined identifier, and spliced ??to the URL string in the HTTP request, while taking advantage of the Flex HTTPService object to send the request to the server and the the foreground user operation information recorded to the website access log , better Flash can not be real-time and server interaction, while taking advantage of the session identifier to external service page requests cleverly solved the Flash can not save session information. While splicing HTTP request URL string, defined herein, a set can be accurately and efficiently identify the user operation information identifier, these identifiers corresponding operation simultaneously with the request is transmitted to the server, to be recorded in the server, import and preprocessing of data in the access log, extremely convenient, but also improves data cleansing, parsing accuracy. User operation information is collected, this paper design and application system set to quickly parse the log and import the data into the database, SQL stored procedures on the import of basic table pretreatment, efficient, accurate session identification and other operations, and created favorable conditions for the latter part of the data analysis and data mining. Finally, we show the effect of the data analysis reporting system through the acquisition and pre-processing system applied to the the Donghua University Graduate Multimedia Experience Center. The practical application shows that, In this paper, data acquisition and pre-processing system capable of fast, efficient and accurate access to user actions, is a useful tool for Flash video site user behavior analysis.
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