新聞聚合平臺的設(shè)計與實現(xiàn)
[Abstract]:With the rapid development and widespread popularity of the Internet, all-media clue news and materials show the characteristics of mass information, diverse formats, high processing timeliness and accuracy requirements. It is very difficult to collect, analyze and process only by hand, resulting in inefficient work and can not meet the needs of all-media news production. The technology of data crawling, natural language processing, search engine, probability statistics and machine learning are used to realize the automation of news gathering and statistical analysis and the speediness of retrieval. The technology can provide clue news and material for media practitioners, improve the efficiency of search, filtering and analysis. The platform provides services for media practitioners. Starting from the development of news aggregation platform, this paper makes an in-depth analysis and design of three modules: news retrieval, news details and timed task scheduling. The news details module is the core business module of the platform. Based on the original news information, it provides statistical analysis results of news content summary, entity words, keywords, positive and negative emotions, comment area, comment volume and media coverage. According to the news category, it can be divided into clue news details, hot news details and events. Timing task scheduling is the key technology module of the software. Based on Quartz Scheduler framework, this paper realizes the automation of news statistical analysis task. I participated in the requirement analysis and design and implementation stage of developing news aggregation platform. In the requirement analysis stage, I completed the development model independently. In the design and implementation stage, I participated in the design and implementation of the news retrieval module, including the clue news retrieval sub-module, hot news retrieval sub-module, event retrieval sub-module and network news retrieval sub-module. The design and implementation of the cue news detail module, the hot news detail module and the event detail sub-module in the situation module; independently completed the design and implementation of the cue news timer task sub-module, the hot news timer task sub-module and the event news timer task sub-module in the timer task scheduling module, and participated in the completion of the number At present, the news aggregation platform is in the user trial stage, and the news aggregation platform deployed in the cloud of a domestic enterprise runs well; the module I am responsible for completing runs stably and achieves the desired goal.
【學位授予單位】:北京交通大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TP311.52
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