基于文本语义的复杂实体识别系统的设计与实现-毕业设计(论文)开题报告.pdf

东北大学计算机科学与工程学院 毕业设计 （论文）开题报告 设计 （论文）题目：基于文本语义的复杂实体识别 系统的设计与实现 姓名： 学号：2012 专业：计算机科学与技术 班级：计算机1206班 指导教师: 实习单位：东北大学计算机科学与工程学院 开题日期：2016 年 3 月 21 日 东北大学毕业设计 （论文）开题报告 目 录 1 课题提出······························································································1 1.1 课题背景、目的与意义···································································· 1 1.2 国内外现状····················································································1 1.3 研究内容·······················································································2 2 设计方案论证························································································2 2.1 业务描述·······················································································2 2.2 数据模型·······················································································3 2.3 实现功能·······················································································4 2.4 关键技术及难点··············································································4 2.5 解决方案·······················································································5 3 开发环境及系统实现···············································································5 4 论文进度计划························································································5 5 参考文献······························································································6 东北大学毕业设计 （论文）开题报告 1 课题提出 1.1 课题背景、目的与意义 在进入21世纪后，经过互联网和通信技术的迅速发展、应用和普及，信息量急 速增长，使得海量信息以电子文档的形式出现在人们眼前。面对这样的情况，人们迫 切地希望计算机能对网上出现的文本信息实现自动化的处理。从而，实体识别技术成 为了人们研究的焦点，因为实体识别是文本智能处理过程中的关键技术、基础技术， 渗透到自然语言处理的多个方面，如信息检索、文本分类、自动问答、自动摘要、信 息抽取等。尤其是在信息技术不断发展的带动下，广泛而深刻地影响着人们生活中的 各个方面。 中文文本由于不含有西方语言的一些形态特征如大小写字母、分隔符、空格符等， 给实体识别技术的研究带来了一些挑战，具体表现在以下几个方面：一、缺乏明显的 特征标志，英文文本大多首字母大写，因此易于识别，而中文文本不具有这样