The discussion on indexical strategy of full - text database in university libraries 高校图书馆全文数据库索引策略
2.
This dissertation has set up an experimental gis - based working ticket es of a power plant which is able to complete some typical working ticket tasks , from inputting to inferring , and from the inference to visualization , finally to spatial analysis . it has testified that the gis database & es database mode is reasonable , and that the idea of establishing indexical database to connect the gis and working ticket es is feasible 本文通过建立基于gis的电厂工作票专家系统的试验性系统，完成了典型工作票任务从任务的输入到推理，再到推理结论的可视化，以至空间分析等过程，说明gis数据库/ es数据库连接模式的是合理的，证明了建立索引数据库来关联电厂gis与工作票专家系统的思路的可行性，完全可以应用到基于电厂gis的综合性专家系统的开发中。
3.
Based on rich introduce of image features , similarity matching and indexical technologies , methods of evaluation were investigated and several representative image retrieval systems were introduced . afterwards , the current difficulty of cbir , the range and significance of the research were pointed out 在全面介绍了图像特征，图像匹配相似性技术，特征存储索引方法和检索结果评价方法，以及国际上比较典型基于内容的图像检索系统后，我们指出了目前基于内容的图像检索所面临的研究难点和相关的内容及意义。
4.
This dissertation carries out its study of the specified gis and working ticket es in power plants , by mastering the fundamental principles and universal methods to set up gis and es , then it analyzes the data organization of mapinfo software in detail and puts forward the idea to establish an indexical database for the integrated system in order to connect the databases between the two system parts . it also completes the design of the system database 本文以火力发电厂gis和工作票专家系统为具体研究对象，在熟悉地理信息系统和专家系统原理和一般开发方法的基础上，详细分析了地理信息系统平台mapinfo空间数据库的组织方式，提出了在开发集成系统数据库时建立对象索引数据库来联系工作票专家系统数据库与地理信息系统空间数据库的方法，并完成了系统数据库的设计。
