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Incorporating Domain Knowledge into Data Mining Process:An Ontology Based Framework 被引量:5
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作者 PAN Ding SHEN Jun-yi ZHOU Mu-xin 《Wuhan University Journal of Natural Sciences》 EI CAS 2006年第1期165-169,共5页
With the explosive growth of data available, there is an urgent need to develop continuous data mining which reduces manual interaction evidently. A novel model for data mining is proposed in evolving environment. Fir... With the explosive growth of data available, there is an urgent need to develop continuous data mining which reduces manual interaction evidently. A novel model for data mining is proposed in evolving environment. First, some valid mining task schedules are generated, and then au tonomous and local mining are executed periodically, finally, previous results are merged and refined. The framework based on the model creates a communication mechanism to in corporate domain knowledge into continuous process through ontology service. The local and merge mining are transparent to the end user and heterogeneous data ,source by ontology. Experiments suggest that the framework should be useful in guiding the continuous mining process. 展开更多
关键词 continuous data mining domain knowledge ontology FRAMEWORK
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An Ontology Reasoning Architecture for Data Mining Knowledge Management 被引量:3
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作者 ZHENG Liang LI Xueming 《Wuhan University Journal of Natural Sciences》 CAS 2008年第4期396-400,共5页
In order to realize the intelligent management of data mining (DM) domain knowledge, this paper presents an architecture for DM knowledge management based on ontology. Using ontology database, this architecture can ... In order to realize the intelligent management of data mining (DM) domain knowledge, this paper presents an architecture for DM knowledge management based on ontology. Using ontology database, this architecture can realize intelligent knowledge retrieval and automatic accomplishment of DM tasks by means of ontology services. Its key features include:①Describing DM ontology and meta-data using ontology based on Web ontology language (OWL).② Ontology reasoning function. Based on the existing concepts and relations, the hidden knowledge in ontology can be obtained using the reasoning engine. This paper mainly focuses on the construction of DM ontology and the reasoning of DM ontology based on OWL DL(s). 展开更多
关键词 ontology data mining knowledge management ontology reasoning
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Data Mining Ontology Development for High User Usability 被引量:1
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作者 LI Yu-hua LU Zheng-ding SUN Xiao-lin WEN Kun-mei LI Rui-xuan 《Wuhan University Journal of Natural Sciences》 EI CAS 2006年第1期51-56,共6页
This paper mainly introduces the development and implementation of the user centered data mining service ontology on Universal Knowledge Grid (UKG). UKG is an ontology-based grid architecture model to build large-sc... This paper mainly introduces the development and implementation of the user centered data mining service ontology on Universal Knowledge Grid (UKG). UKG is an ontology-based grid architecture model to build large-scale distributed knowledge discovery system on the grid. The data mining ontology services are the main service offering by UKG. It can meet the user requirements of knowledge discovery in different domains and different hierarchies and make the system exoteric, extensible and high usable. A data min- ing solution for money laundering is introduced. 展开更多
关键词 data mining ontology USABILITY universal knowledge grid
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Construction of an ontology-based nursing knowledge system 被引量:2
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作者 Shi-Fan Han Rui-Fang Zhu +3 位作者 Jia Xue Qi Yu Yan-Bing Su Xiu-Juan Wang 《Frontiers of Nursing》 CAS 2018年第4期241-247,共7页
This study proposes the establishment of a knowledge-system ontology in the nursing field. It uses advanced data mining techniques,digital publishing technologies, and new media concepts to comprehensively integrate a... This study proposes the establishment of a knowledge-system ontology in the nursing field. It uses advanced data mining techniques,digital publishing technologies, and new media concepts to comprehensively integrate and deepen nursing knowledge and to aggregate sources of knowledge in specialized technical fields. This study applies all forms of media and transmission channels, such as personal computers and mobile devices, to establish a knowledge-transmission system that provides knowledge services such as knowledge search, update retrieval, evaluation, questions and answers(Q&As), online viewing, information subscription, expert services, push notifications, review forums, and online learning. In doing so, this study creates an authoritative and foundational knowledge service engine for the nursing field, which provides convenient, flexible, and comprehensive knowledge services to members of the nursing industry in a digital format. 展开更多
关键词 NURSING knowledge system ontology CONSTRUCTION BIG data TEXT mining review
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A New Method for Mining Biomedical Knowledge Using Biomedical Ontology
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作者 LI Guangrong HUANG Chuanhe +2 位作者 ZHANG Xiaodan XU Xuheng HU Xiaohua 《Wuhan University Journal of Natural Sciences》 CAS 2009年第2期134-136,共3页
In order to solve the problem of mining biomedical knowledge, a biomedical semantic-based knowledge discovery method (Bio-SKDM) is proposed. Using the semantic types and semantic relations of the biomedical concepts... In order to solve the problem of mining biomedical knowledge, a biomedical semantic-based knowledge discovery method (Bio-SKDM) is proposed. Using the semantic types and semantic relations of the biomedical concepts, Bio-SKDM can identify the relevant concepts collected from Medline and generate the novel hypothesis between these concepts. The experiment result shows that compared with ARROWSMITH and LITLINKER, Bio-SKDM generates less but more relevant novel hypotheses and requires less human intervention in the discovery procedure. 展开更多
关键词 data mining ontology connection HYPOTHESIS
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基于User-Ontology的图书馆用户数据挖掘研究 被引量:15
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作者 周倩 《图书馆杂志》 CSSCI 北大核心 2006年第10期58-63,共6页
文摘鉴于目前图书馆用户数据挖掘精度与效率不高的问题,本文提出一种基于User-Ontology(用户本体)的图书馆用户数据挖掘的研究思路,从而在语义层面上实现对用户数据的挖掘。文章首先分析了图书馆现有用户数据挖掘中存在的主要不足,其次... 文摘鉴于目前图书馆用户数据挖掘精度与效率不高的问题,本文提出一种基于User-Ontology(用户本体)的图书馆用户数据挖掘的研究思路,从而在语义层面上实现对用户数据的挖掘。文章首先分析了图书馆现有用户数据挖掘中存在的主要不足,其次介绍了目前国内外不同领域用户本体的研究与构建情况,最后在构建图书馆通用用户本体的基础上,提出了基于用户本体的图书馆用户数据挖掘系统的优势、总体框架与功能构成。 展开更多
关键词 图书馆 用户本体 用户数据 数据挖掘
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基于数据挖掘的ontology应用框架(英文) 被引量:1
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作者 陈锋 郭禾 +2 位作者 代莉 王宇新 杨宏戟 《大连理工大学学报》 EI CAS CSCD 北大核心 2003年第z1期142-145,共4页
提出了一个通用数据挖掘系统框架(GDMF)模型.其目的是为了能够从数据挖掘应用中抽取出核心功能并将其应用到可重用可扩展的原型系统中,以便快速地建造数据挖掘应用系统.在GDMF中ontology被用做语义数据模型.通过使用ontology驱动的数据... 提出了一个通用数据挖掘系统框架(GDMF)模型.其目的是为了能够从数据挖掘应用中抽取出核心功能并将其应用到可重用可扩展的原型系统中,以便快速地建造数据挖掘应用系统.在GDMF中ontology被用做语义数据模型.通过使用ontology驱动的数据挖掘查询语言,用户能够很轻松地表达一些复杂查询.最后,给出了使用GDMF作为一个建模工具去设计数据挖掘系统的方法. 展开更多
关键词 数据挖掘 本体 软件体系结构 软件可适应性
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一种面向用户的ontology进化模型
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作者 岳静 冯鑫 周永华 《计算机应用》 CSCD 北大核心 2007年第7期1767-1769,1798,共4页
ontology进化是关系到ontology工程成功与否的关键所在。提出了一个四阶段的ontology进化模型,通过用户请求、进化俘获、进化实施、意外处理四个环节,能够有效完成ontology进化任务,同时允许用户控制进化流程,从而最大限度地满足用户的... ontology进化是关系到ontology工程成功与否的关键所在。提出了一个四阶段的ontology进化模型,通过用户请求、进化俘获、进化实施、意外处理四个环节,能够有效完成ontology进化任务,同时允许用户控制进化流程,从而最大限度地满足用户的需要。 展开更多
关键词 ontology 进化 AGENT 数据挖掘
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基于Ontology的数据挖掘在计算机动态取证中的应用 被引量:3
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作者 贾保先 周海臣 《聊城大学学报(自然科学版)》 2011年第2期92-95,共4页
动态取证势必会产生大量的杂乱无章数据.如何对大量繁杂的数据进行有效的分析,成为动态取证的关键问题.提出了基于本体的数据挖掘模型,利用此模型实现了高精度的语义挖掘,根据挖掘结果提供了预警防范服务,利用关联规则具体说明了基于本... 动态取证势必会产生大量的杂乱无章数据.如何对大量繁杂的数据进行有效的分析,成为动态取证的关键问题.提出了基于本体的数据挖掘模型,利用此模型实现了高精度的语义挖掘,根据挖掘结果提供了预警防范服务,利用关联规则具体说明了基于本体的数据挖掘的过程,并用贝叶斯网络模型简单计算了实例本体间的关联程度,实现了关联挖掘.应用实例表明基于Ontology的数据挖掘提高了对攻击源定位追踪的准确性和实时性. 展开更多
关键词 计算机犯罪 计算机取证 主动取证 蜜罐 本体 入侵检测 数据挖掘
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Knowledge acquisition, semantic text mining, and security risks in health and biomedical informatics 被引量:2
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作者 J Harold Pardue William T Gerthoffer 《World Journal of Biological Chemistry》 CAS 2012年第2期27-33,共7页
Computational techniques have been adopted in medi-cal and biological systems for a long time. There is no doubt that the development and application of computational methods will render great help in better understan... Computational techniques have been adopted in medi-cal and biological systems for a long time. There is no doubt that the development and application of computational methods will render great help in better understanding biomedical and biological functions. Large amounts of datasets have been produced by biomedical and biological experiments and simulations. In order for researchers to gain knowledge from origi- nal data, nontrivial transformation is necessary, which is regarded as a critical link in the chain of knowledge acquisition, sharing, and reuse. Challenges that have been encountered include: how to efficiently and effectively represent human knowledge in formal computing models, how to take advantage of semantic text mining techniques rather than traditional syntactic text mining, and how to handle security issues during the knowledge sharing and reuse. This paper summarizes the state-of-the-art in these research directions. We aim to provide readers with an introduction of major computing themes to be applied to the medical and biological research. 展开更多
关键词 BIOMEDICAL informatics BIOINFORMATICS Knowledge SHARING ontology matching Heterogeneous SEMANTICS SEMANTIC integration SEMANTIC data mining SEMANTIC text mining Security risk
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Classification analysis of microarray data based on ontological engineering 被引量:2
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作者 LI Guo-qi SHENG Huan-ye 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2007年第4期638-643,共6页
Background knowledge is important for data mining, especially in complicated situation. Ontological engineering is the successor of knowledge engineering. The sharable knowledge bases built on ontology can be used to ... Background knowledge is important for data mining, especially in complicated situation. Ontological engineering is the successor of knowledge engineering. The sharable knowledge bases built on ontology can be used to provide background knowledge to direct the process of data mining. This paper gives a common introduction to the method and presents a practical analysis example using SVM (support vector machine) as the classifier. Gene Ontology and the accompanying annotations compose a big knowledge base, on which many researches have been carried out. Microarray dataset is the output of DNA chip. With the help of Gene Ontology we present a more elaborate analysis on microarray data than former researchers. The method can also be used in other fields with similar scenario. 展开更多
关键词 本体工程 微阵列数据 基因表达 分类分析 数据挖掘
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Mining Metrics for Enhancing E-Commerce Systems User Experience
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作者 Antonia Stefani 《Intelligent Information Management》 2022年第1期25-51,共27页
The diversity of e-commerce Business to Consumer systems and the significant increase in their use during the COVID-19 pandemic as a one of the primary channels of retail commerce, has made all the most important the ... The diversity of e-commerce Business to Consumer systems and the significant increase in their use during the COVID-19 pandemic as a one of the primary channels of retail commerce, has made all the most important the need to measuring their quality using practical methods. This paper presents a quality evaluation framework for web metrics that are B2C specific. The framework uses three dimensions based on end-user interaction categories, metrics internal specs and quality sub-characteristics as defined by ISO25010. Beginning from the existing large corpus of general-purpose web metrics, e-commerce specific metrics are chosen and categorized. Analysis results are subjected to a data mining analysis to provide association rules between the various dimensions of the framework. Finally, an ontology that corresponds to the framework is developed to answer to complicated questions related to metrics use and to facilitate the production of new, user defined meta-metrics. 展开更多
关键词 E-COMMERCE Web Metrics Quality Attributes data mining Association Rules Evaluation Framework TAXONOMY ontology ISO25010
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Web Page Recommendation Using Distributional Recurrent Neural Network
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作者 Chaithra G.M.Lingaraju S.Jagannatha 《Computer Systems Science & Engineering》 SCIE EI 2023年第4期803-817,共15页
In the data retrieval process of the Data recommendation system,the matching prediction and similarity identification take place a major role in the ontology.In that,there are several methods to improve the retrieving... In the data retrieval process of the Data recommendation system,the matching prediction and similarity identification take place a major role in the ontology.In that,there are several methods to improve the retrieving process with improved accuracy and to reduce the searching time.Since,in the data recommendation system,this type of data searching becomes complex to search for the best matching for given query data and fails in the accuracy of the query recommendation process.To improve the performance of data validation,this paper proposed a novel model of data similarity estimation and clustering method to retrieve the relevant data with the best matching in the big data processing.In this paper advanced model of the Logarithmic Directionality Texture Pattern(LDTP)method with a Metaheuristic Pattern Searching(MPS)system was used to estimate the similarity between the query data in the entire database.The overall work was implemented for the application of the data recommendation process.These are all indexed and grouped as a cluster to form a paged format of database structure which can reduce the computation time while at the searching period.Also,with the help of a neural network,the relevancies of feature attributes in the database are predicted,and the matching index was sorted to provide the recommended data for given query data.This was achieved by using the Distributional Recurrent Neural Network(DRNN).This is an enhanced model of Neural Network technology to find the relevancy based on the correlation factor of the feature set.The training process of the DRNN classifier was carried out by estimating the correlation factor of the attributes of the dataset.These are formed as clusters and paged with proper indexing based on the MPS parameter of similarity metric.The overall performance of the proposed work can be evaluated by varying the size of the training database by 60%,70%,and 80%.The parameters that are considered for performance analysis are Precision,Recall,F1-score and the accuracy of data retrieval,the query recommendation output,and comparison with other state-of-art methods. 展开更多
关键词 ontology data mining in big data logarithmic directionality texture pattern metaheuristic pattern searching system distributional recurrent neural network query recommendation
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护理领域本体构建的研究进展
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作者 张映 韩世范 《护理研究》 北大核心 2023年第1期76-81,共6页
对国内外本体构建的目的和应用对象进行分类,分析我国护理领域进行智能化信息建设过程中面临的挑战,进而提出在护理领域构建本体,促使护理领域相关研究的发展。
关键词 医学 本体 护理 数据挖掘 信息化 综述
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面向真实世界的知识挖掘与知识图谱补全研究(二):非结构化电子病历信息抽取方法及进展 被引量:1
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作者 阎思宇 李绪辉 +8 位作者 陈沐坤 朱海锋 谭杰骏 高旷 王永博 黄桥 任相颖 靳英辉 王行环 《医学新知》 CAS 2023年第5期358-365,共8页
随着信息技术的普及和推广,健康医疗大数据呈指数级增长,基于健康医疗大数据的临床真实世界研究日益受到关注。医院电子病历记录了真实世界下患者的诊疗全过程,是最能为临床决策提供支持的数据源之一。但电子病历数据中大量非结构化文... 随着信息技术的普及和推广,健康医疗大数据呈指数级增长,基于健康医疗大数据的临床真实世界研究日益受到关注。医院电子病历记录了真实世界下患者的诊疗全过程,是最能为临床决策提供支持的数据源之一。但电子病历数据中大量非结构化文本数据的存在,增加了数据处理难度,制约了基于电子病历数据研究的开展。急需将信息技术、人工智能等先进的方法用于非结构化电子病历数据的处理,以加速数据价值转化。本文总结了当前非结构化医学数据处理的常用方法,包括基于词典和规则的方法、基于传统机器学习和深度学习的方法和以本体为代表的基于认知模型的方法,探讨了非结构化电子病历数据处理时的标准化问题及透明化报告问题,展望了相关发展。 展开更多
关键词 非结构化数据 电子病历 信息抽取 文本挖掘 自然语言处理 本体 真实世界数据
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本体与关联数据融合驱动的科技文献细粒度知识挖掘研究
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作者 闫丽 《河北科技图苑》 2023年第1期32-37,共6页
科技文献的细粒度知识挖掘对于科学的发展起着至关重要的作用。文章在分析科技文献知识挖掘的基础上,构建出本体与关联数据融合驱动的科技文献知识挖掘模型,最后基于研究成果,以人工智能领域科技文献为例进行案例分析,诠释了本体与关联... 科技文献的细粒度知识挖掘对于科学的发展起着至关重要的作用。文章在分析科技文献知识挖掘的基础上,构建出本体与关联数据融合驱动的科技文献知识挖掘模型,最后基于研究成果,以人工智能领域科技文献为例进行案例分析,诠释了本体与关联数据融合驱动下科技文献的细粒度知识挖掘所具有的特征。 展开更多
关键词 本体 关联数据 科技文献 知识挖掘
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胃癌组织中碳酸酐酶Ⅸ表达的临床意义及分子机制
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作者 付佳音 莫非 +4 位作者 何芸 袁蕴馨 卢涵 渠巍 于湧 《贵州医科大学学报》 CAS 2023年第3期285-292,共8页
目的探讨胃癌(GC)组织中碳酸酐酶(CAⅨ)的临床意义及其分子机制。方法采用基因表达谱动态数据分析(GEPIA2)数据库预测GC组织中CAⅨ基因的差异性表达,利用癌症数据分析(UALCAN)数据库分析CAⅨ表达与GC患者临床病理特征的关系,采用Kaplan-... 目的探讨胃癌(GC)组织中碳酸酐酶(CAⅨ)的临床意义及其分子机制。方法采用基因表达谱动态数据分析(GEPIA2)数据库预测GC组织中CAⅨ基因的差异性表达,利用癌症数据分析(UALCAN)数据库分析CAⅨ表达与GC患者临床病理特征的关系,采用Kaplan-Meier Plotter分析CAⅨ对GC的预后价值;收集10例GC患者的癌患组织(GC组)及其癌旁组织标本(对照组),采用免疫组织化学法检测CAⅨ表达;采用交互式基因检索工具(STRING)和可视代综合发现(DAVID)数据库进行基因本体论(GO)及京都基因与基因组百科全书(KEGG)通路分析预测CAⅨ的蛋白质互作关系及调控网络。结果GEPIA2数据库结果显示,与对照组比较,GC组CAⅨ的表达量降低(P<0.05);UALCAN数据库显示,CAⅨ的表达与种族、肿瘤分化等级、幽门螺杆菌感染有相关性(P<0.05);Kaplan-Meier Plotter数据库分析显示,低CAⅨ表达组与高CAⅨ表达组的5年无进展生存期(PFS)相比,差异有统计学意义(P<0.05);临床标本免疫组织化学结果显示,GC组标本中CAⅨ表达量较对照组降低(P<0.05),与数据库预测结果一致;STRING数据库分析显示,CAⅨ与缺氧诱导因子-1α(HIF1α)、溶质载体家族4成员4(SLC4A4)、芳烃受体核转位器(ARNT)等蛋白具有较强相互作用关系;GO分析显示,CAⅨ参与低氧反应下RNA聚合酶Ⅱ启动子的转录调节等过程;KEGG分析显示CAⅨ与癌症信号通路、缺氧诱导因子-1(HIF-1)信号通路的调节有关。结论CAⅨ在GC组织中呈低表达,其水平与GC患者肿瘤分化等级、PFS呈负相关,CAⅨ可能参与肿瘤代谢过程。 展开更多
关键词 数据挖掘 胃肿瘤 碳酸酐酶Ⅸ 差异表达 基因本体分析 京都基因与基因组百科全书通路分析
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基于开放网络知识的信息检索与数据挖掘 被引量:94
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作者 王元卓 贾岩涛 +2 位作者 刘大伟 靳小龙 程学旗 《计算机研究与发展》 EI CSCD 北大核心 2015年第2期456-474,共19页
网络大数据是指"人、机、物"三元世界在网络空间(cyberspace)中交互、融合所产生并在互联网上可获得的大数据.这些数据具有多源异构、交互性、时效性、社会性、突发性和高噪声等特点,不但非结构化数据多,而且数据的实时性强.... 网络大数据是指"人、机、物"三元世界在网络空间(cyberspace)中交互、融合所产生并在互联网上可获得的大数据.这些数据具有多源异构、交互性、时效性、社会性、突发性和高噪声等特点,不但非结构化数据多,而且数据的实时性强.网络大数据背后蕴含着丰富的、复杂关联的知识.建立面向开放网络的知识库是获取网络大数据中的丰富知识的有效手段.对当前国内外主要的开放网络库进行了比较,分析了相应的构建方法、多源知识的融合以及知识库的更新等关键技术.进一步从用户意图理解、查询扩展、语义问答、线索挖据、关系推理以及关系和属性预测等方面出发,总结了基于开放网络知识库的信息检索、数据挖掘与系统应用的研究现状和主要问题.最后,对开放网络知识库的发展趋势和面临的主要挑战进行了展望. 展开更多
关键词 网络大数据 开放网络知识 本体 信息检索 数据挖掘
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数据挖掘方法本体研究 被引量:14
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作者 邹力鹍 王丽珍 姚绍文 《计算机科学》 CSCD 北大核心 2005年第3期197-199,共3页
数据挖掘是包含多个阶段的知识发现过程。一个简单、但典型的数据挖掘过程可能包括数据预处理阶段,数据挖掘算法的应用阶段,以及对挖掘结果的可视化处理阶段。在每个阶段,都会有多个算法或方法供数据挖掘工作者选择,但仅有一些算法和方... 数据挖掘是包含多个阶段的知识发现过程。一个简单、但典型的数据挖掘过程可能包括数据预处理阶段,数据挖掘算法的应用阶段,以及对挖掘结果的可视化处理阶段。在每个阶段,都会有多个算法或方法供数据挖掘工作者选择,但仅有一些算法和方法组合是有效的。即使是数据挖掘领域的专家,也可能会忽略一些重要的、有助于知识发现的数据挖掘算法或方法。本文中,我们将讨论使用本体的方法来协助数据挖掘工作者在实施数据挖掘过程中对众多可供选择的算法和方法进行选择。 展开更多
关键词 数据挖掘方法 知识发现 本体研究 算法设计
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地理计算及其前沿问题 被引量:13
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作者 王铮 隋文娟 +2 位作者 姚梓璇 廖悲雨 吴一平 《地理科学进展》 CSCD 北大核心 2007年第4期1-10,共10页
地理计算是地理信息科学的核心内容之一,主要研究地理信息科学的方法学问题,内容包括建模、算法、计算体系和一般方法学问题。本文介绍了地理计算的五个前沿问题:(1)地学数据挖掘从地理学问题出发,对各种数据作地理学的模型处理和结果... 地理计算是地理信息科学的核心内容之一,主要研究地理信息科学的方法学问题,内容包括建模、算法、计算体系和一般方法学问题。本文介绍了地理计算的五个前沿问题:(1)地学数据挖掘从地理学问题出发,对各种数据作地理学的模型处理和结果计算以发现地理知识;(2)空间运筹在地理学中的应用日益广泛,它的算法更加简单严密、精度也更高;(3)多自主体系统模拟已经成为地理学科学研究中除归纳和演绎之外的第三种重要研究方法;(4)离散空间的定性计算是进行地理空间计算的必要基础;(5)本体论的发展是地理信息科学乃至整个地理学发展的需要。 展开更多
关键词 地理计算 数据挖掘 空间运筹 多自主体系统 离散空间 本体论
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