In the last section, you not only learned how to insert data into a MongoDB database, but you in fact also learned how to use the most basic data retrieval function, find. 在最后一节中,您不仅会学习如何向MongoDB数据库中插入数据,而且会实际学习如何使用最基本的数据检索函数find。
This paper introduces how the hospital library to integrate the clinical fact data by using XML and Java technologies, which provides a uniform retrieval platform for the users. 本文提出,应从建设面向科技战略和科技管理服务的事实型数据库、开发专用的方法和工具、充分利用专家的智慧等三个方面提升科技情报研究水平。
Owing to the fact that the electronic file has its superiorities in efficient storage, retrieval and transmission, it is of great values to transform the traditional paper document to its electronic version. 由于电子文档相对于传统的纸张文档来说,具有容易保存、检索、传输的优点,且保密性好,因此,将传统的纸张文档转换成电子文档,具有重要的实际意义。
Considering the fact of the ill fish image, the paper researched and presented the algorithm of content based image retrieval that was according to the represent shape, color or vein in image. 结合鱼病图像的实际,本文研究并实现了用形状特征、颜色特征和纹理特征分别进行基于内容的图像检索方法。
In fact, information retrieval is that the connotation and extension of querying carry through a match with the document concourse then return the result of querying basing on matching status. 信息检索的本质就是用需要查找的内涵和外涵与被查找文档集合进行匹配,再根据匹配的情况返回查询结果。
In view of the fact that geometric entities are recorded in vector form in graphics file, this paper presents an algorithm based on modified geometric hashing for shape retrieval. 针对图形文件以矢量方式记录几何实体的特点,提出了一种基于改进几何哈希法的图形检索算法。
As a matter of this fact, content-based video retrieval technology was quickly proposed and becomes the hot topic of the related researches. 因此基于内容的视频检索技术,迅速成为人们研究的热点内容。
At the same time, the universality of the polysemant determines the fact that the disambiguation of words becomes the central issue of many application matters such as machine translation, information retrieval, natural language semantic analysis, syntax analysis, speech recognition and text-to-speech conversion. 同时,多义词分布的普遍性决定了多义词词义消歧任务势必成为多种应用问题的关注焦点之一。诸如机器翻译、信息检索、自然语言内容语义分析、语法分析、语音识别和文语转换。