The database continues to offer submission tools, data retrieval facilities and user support. 该数据库继续提供提交工具,数据检索工具和用户支持。
Design and Realization of resource retrieval algorithm based on user's interest model matching 基于用户兴趣模型匹配的资源检索算法的设计和实现
An image retrieval method based on user selected region of interest was proposed. 提出了一种基于用户选择感兴趣区域的图像检索方法。
Specific domain based image retrieval can benefit from the useful domain knowledge and the corresponding retrieval results can meet the user's requirement better than the generic one. 基于特订范畴的图像检索技巧否以充脚当用当范畴外的无用学问,其检索解果更能符适用户的需供。
Research on Personalized Information Retrieval Based on User's New Interest Detection 基于改进TextTiling方法的用户新兴趣发现的研究
The key point of the retrieval method is: try to understand the object of the retrieval user and try to distinguish the difference in the view of conceptual level among retrieval words provided by different users using the semantic relations defined by ontological conceptual network. 其核心思想是用概念网中所定义的知识间的语义关系来理解用户的检索意图,消除用户提交的检索词在概念层次上的差异。
This article explores the medical networking information retrieval from a series of aspects such as information retrieval language, user terminal processing, automatic classification, intellectual retrieval ect. 本文从情报检索语言、用户端处理、自动分类、智能检索等几个方面探讨了当今医学网络信息检索的研究热点。
The result of experiments shows that the proposed method has good retrieval performance and efficient user adaptation. 实验表明所提出的方法不仅能得到较好的检索结果,且具有较好的用户适应性。
Research and Design of the Individualized Network Document Retrieval System Based on User's Model 基于用户模型的个性化网络文献检索系统的研究与设计
Construction of Information Retrieval System Based on User Feedback and Collaborative Filtering 基于用户反馈与协同过滤的情报检索系统的建立
Finally, some content based retrieval technologies and user query interfaces implemented in MIRc are given. 最后介绍用于MIRc的基于内容检索技术及其设计和实现的用户查询接口。
Image retrieval based on user defined region-of-interest 基于用户定义感兴趣区域的图像检索算法
This paper also analyzes in detail the access extent in computer retrieval of different user groups. 针对不同用户群的特点,具体分析各自计算机信息检索的介入程度,并提出相应的建议,以提高最终用户信息检索自我满足能力。
The paper analyses the existence of heterogeneous data sources in Web, and inconvenience to information retrieval user, it elucidates the theory of information retrieval across heterogeneous data sources and gives an example. 分析了异质数据源在互联网上广泛存在的原因及由此给信息检索用户带来的不便,阐述了解决跨异质数据源检索的原理,并给出了一个应用实例。
Information query module, the user can freely browse all have entered the tourism information, can also be convenient, fast, accurately according to the certain condition of the individual information retrieval user needs. 信息查询模块中,用户既可以随意地浏览所有已经输入的旅游信息,也可以方便、快捷、准确地根据某些条件检索出用户需要的个别信息。
Recently, the researchers use the combining approaches and semiautomatic image retrieval, using the user interaction in the retrieval cycle. 最近,一些研究者在检索周期中采用用户互交,使用上述方法和半自动图像检索的结合,取得了一些成果,但没有自学习的动态语义功能,检索效率不高。
It one by one discusses the establishment from the vocabulary database, collection of information and data, information retrieval and user interface design module, in which the most important part is information and data acquisition module and the information retrieval module. 从词表库的建立、信息和数据的采集、信息检索和用户界面设计模块逐一做了论述,其中信息和数据的采集模块和信息检索模块是本文的论述重点。
Ontology is a kind of knowledge expression form, which user and information retrieval system communicate by. Thus retrieval system can understand user inquiry. 本体作为知识的表示形式,使得用户和检索系统采用统一的语言,这样检索系统能够理解用户查询。
In an image retrieval system, user information need is expressed using multiple types of query. Unfortunately, due to user subjectivity perception to visual features and semantic depths of images, the conventional query submitted to the system encounter difficulties to identify user information need. 在图像检索系统,用户信息需求的表示使用多种类型的查询。
This part mainly makes a comparative study from the approaches of retrieval, user interface and application of database. 本章主要从检索途径、用户界面以及数据库利用等方面进行比较研究。
System module mainly complete user management and user access control, resource management module mainly complete later resources processing, update, file upload, etc, the user retrieval module mainly realizes user for special literature resources of retrieval, browse and download, and other functions. 系统模块主要完成用户的管理和用户的访问控制,资源管理模块主要完成后期资源的加工、更新、文件上传等,用户检索模块主要实现用户对特种文献资源的检索、浏览和下载等功能。
Extraction of Web Information System filters the retrieval results according to user model and meets user personalized need with raising the accuracy and recall ratios. 实验结果表明,基于此兴趣模型的网络信息提取系统能对检索结果做出个性化过滤处理,提高用户的查准率和查全率,满足用户的个性化需求。
This system consists of system management, network information acquisition, data processing information retrieval, and user statistics. 该系统由系统管理、网络信息采集、数据加工信息发布、资源检索、用户统计几个模块组成。
So topic search engine becomes a trend in the modern information retrieval. It can offer more rapid and more accurate retrieval service for the user, because it just searches the information which is related to the specific topic. 主题搜索引擎只搜索与特定主题相关的网络资源,能为用户提供更加快速、更加准确的检索服务,因而成为现代信息检索的一种趋势。
The component retrieval module is including the keyword retrieval and the facet retrieval and the user can choose based on their demand. 其中构件检索模块分为基于刻面的检索和基于关键字的检索,用户可以根据不同的需求选择不同的检索方式。
Traditional information retrieval mainly provided the user interfaces which is based on keyword search. In most cases, the user can not get the satisfactory results, because it is difficult to express the real intention of the user search for a combination of a few keywords. 传统的信息检索提供给用户的主要是基于关键词的检索接口,在大多情况下用户不能得到满意的结果,因为几个关键词的组合很难表达清楚用户真正的检索意图。
The entire system is divided into wiki sites collection subsystems, ontology construction subsystem, indexing subsystem, retrieval subsystem and user interface subsystem. 整个系统分成百科网站收集子系统、本体库构建子系统、索引子系统、检索子系统以及用户接口子系统。
The methods of personalized hierarchical information retrieval and dynamic multi-level user interest extracting are investigated. 研究层次检索模型的个性化问题,以及多层次结构下用户兴趣的动态获取方法。
Information retrieval can gain user demanded information from information aggregation. 信息检索是从信息集合中找出与用户需求相关的信息。