Web信息抽取技术在图形化证券分析系统中的应用研究

发布时间：2018-02-28 10:23

本文关键词： 证券分析数据抽取 GDI+　出处：《郑州大学》2017年硕士论文　论文类型：学位论文

【摘要】：随着我国经济的快速发展,中国股票市场不断完善,参与证券市场投资的投资者越来越多。与证券市场的快速发展相比,绝大多数的投资者对证券基本知识、投资策略与分析预测等并不了解,不能正确预测市场动向,投资结果并不理想。目前证券行情只对证券交易所会员提供,市场上存在的行情软件大多数以转发证券交易所实时行情,通过实时行情进行揭示并提供相应证券信息供客户参考,对投资者的专业程度要求较高。为了让投资者通过简单易行的操作获得准确直观的股市信息,该系统通过对互联网平台信息进行抽取,应用图形化的形式为操作者提供清晰实时的股票线图,帮助操作者更好地对股市情况进行判断。下面是该系统在构建过程中的核心研究内容与创新点。(1)首先通过前期调研,分析当今股市以及相关证券分析软件的行业背景以及运行状况,收集系统建设所需数据以及用户操作层面的需求,确定系统的整体框架结构,搭建出基本的功能模块与数据库的概念模型。(2)通过相关研究,确定股票信息的收集手段。使用Web信息抽取技术从互联网上获取可靠数据,利用正则表达式进行测试、检索与替换。实现数据采集、智能选股等功能。(3)通过使用GDI+技术获取对应的图表信息,完成坐标系的转换,提高K线绘制的速度,在该过程中还采用了Graphics的变换矩阵和bitble技术。通过使用该系统,投资者能够直观准确地掌握股票信息,提高对股票价格走势的预测成功概率。为了使系统提供的数据更加准确全面,还需要做很多工作去完善数据抽取和数据分析,从而更好地服务广大投资者。
[Abstract]:With the rapid development of China's economy, the Chinese stock market is constantly improving, and more and more investors are participating in the investment in the securities market. Compared with the rapid development of the securities market, the vast majority of investors are familiar with the basic knowledge of securities. The investment strategy and analysis and forecast are not well understood, the market trends cannot be correctly predicted, and the investment results are not satisfactory. At present, the securities market is only available to members of the stock exchange. Most of the market software used to transmit real-time quotes on stock exchanges, through real-time prices to reveal and provide the corresponding securities information for customers' reference. In order for investors to obtain accurate and intuitive stock market information through simple and easy operation, the system extracts information from Internet platform. Using graphical form to provide operators with clear real-time stock charts to help operators better judge the stock market situation. The following is the core research content and innovation of the system in the process of construction. This paper analyzes the industry background and operation status of the stock market and related securities analysis software, collects the data needed for the construction of the system and the requirements of the user's operation level, and determines the overall framework structure of the system. The conceptual model of basic function module and database is built. Through relevant research, the method of stock information collection is determined. Web information extraction technology is used to obtain reliable data from the Internet, and regular expression is used to test. Retrieval and replacement. Data acquisition, intelligent stock selection and other functions. Through the use of GDI technology to obtain the corresponding chart information, complete coordinate system conversion, improve the speed of K-line drawing, In the process, the transformation matrix of Graphics and the technology of bitble are adopted. By using the system, investors can grasp the stock information intuitively and accurately. In order to make the data provided by the system more accurate and comprehensive, a lot of work should be done to perfect the data extraction and data analysis so as to better serve the majority of investors.
【学位授予单位】：郑州大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：F832.51;TP391.1

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