開源鏈接數(shù)據(jù)可視化
本文選題:語(yǔ)義網(wǎng) + 數(shù)據(jù)可視化; 參考:《北京交通大學(xué)》2017年碩士論文
【摘要】:在萬(wàn)維網(wǎng)的不斷發(fā)展中,產(chǎn)生了大量結(jié)構(gòu)復(fù)雜,語(yǔ)義豐富的數(shù)據(jù),如何對(duì)這些數(shù)據(jù)進(jìn)行處理和提取有用信息,無(wú)論對(duì)開發(fā)人員還是研究人員都是一個(gè)挑戰(zhàn)。近年來(lái),隨著語(yǔ)義網(wǎng)技術(shù)的興起,為解決這一問(wèn)題提供了契機(jī)。通過(guò)RDF(資源描述信息,Resource Description Framework)和 OWL(網(wǎng)絡(luò)本體語(yǔ)言,Web Ontology Language)等技術(shù)的應(yīng)用,為網(wǎng)上信息定義了基本框架。通過(guò)語(yǔ)義描述網(wǎng)絡(luò)資源和其之間的關(guān)系,使得這些信息可被計(jì)算機(jī)所理解,從而計(jì)算機(jī)可直接對(duì)網(wǎng)上信息進(jìn)行查詢和處理,極大的節(jié)省了人力和時(shí)間。本文在語(yǔ)義網(wǎng)的背景下,與數(shù)據(jù)可視化技術(shù)結(jié)合,從新的視角對(duì)語(yǔ)義網(wǎng)中的鏈接數(shù)據(jù)加以詮釋。本文在研究工作中,主要圍繞開源鏈接數(shù)據(jù)集和數(shù)據(jù)查詢,實(shí)現(xiàn)了 3個(gè)可視化:對(duì)法律專業(yè)領(lǐng)域Eli法國(guó)的可視化,通過(guò)對(duì)數(shù)據(jù)進(jìn)行拆解和重組,以5個(gè)不同的角度實(shí)現(xiàn)了動(dòng)態(tài)友好可交互的可視化界面;對(duì)跨領(lǐng)域跨語(yǔ)言大型知識(shí)百科DBPedia的可視化,以2個(gè)不同的表示形式,生成一個(gè)生動(dòng)的可視化語(yǔ)義網(wǎng)瀏覽器,通過(guò)查詢某一詞匯,并點(diǎn)擊可視化界面中的圖形元素,從一個(gè)資源衍生到多個(gè)不同領(lǐng)域的其他資源,形象的表示出了數(shù)據(jù)間的鏈接,體現(xiàn)了 DBpedia的一個(gè)大型網(wǎng)狀結(jié)構(gòu);最后對(duì)鏈接數(shù)據(jù)查詢語(yǔ)句實(shí)現(xiàn)了可視化,通過(guò)對(duì)各本體的基本構(gòu)成及Sparql查詢語(yǔ)句分析,抽象出了 Sparql查詢語(yǔ)句的一個(gè)基本框架,以可視化的方式呈現(xiàn)出來(lái),極大的方便了用戶快速理解某一本體,并生成Sparql語(yǔ)句查看結(jié)果。本項(xiàng)目借助語(yǔ)義網(wǎng)的概念,結(jié)合對(duì)開源鏈接數(shù)據(jù)集的分析,應(yīng)用可視化技術(shù),對(duì)網(wǎng)絡(luò)資源信息以動(dòng)態(tài)的可交互的可視化界面呈現(xiàn)和描述,通過(guò)對(duì)方案設(shè)計(jì)和實(shí)現(xiàn)技術(shù)的分離,允許用戶無(wú)需具備任何語(yǔ)義網(wǎng)基礎(chǔ)知識(shí),就可實(shí)現(xiàn)對(duì)數(shù)據(jù)的查詢和分析,從而幫助用戶快速的理解語(yǔ)義網(wǎng)數(shù)據(jù)模型和基本概念,并以此為基礎(chǔ),做出決策和判斷。開源RDF數(shù)據(jù)可視化系統(tǒng)為KB CRAWL SAS公司與法國(guó)Eli的一期合作項(xiàng)目,在項(xiàng)目完成后于法國(guó)Eli和Openlaw的成員組織的meetup中進(jìn)行了項(xiàng)目展示,并得到了他們的一致好評(píng)。實(shí)例證明可視化鏈接數(shù)據(jù)可清晰地描述語(yǔ)義網(wǎng)中的數(shù)據(jù)模式,為用戶提供快捷、方便的統(tǒng)計(jì)鏈接數(shù)據(jù)可視化及分析途徑。
[Abstract]:With the continuous development of the World wide Web, a large number of complex structured and semantic data are produced. How to process and extract useful information from these data is a challenge for both developers and researchers. In recent years, with the rise of semantic Web technology, it provides an opportunity to solve this problem. Through the application of RDF (Resource description Information Resource Description Framework) and owl (Network Ontology language), this paper defines the basic framework for web information. Through semantic description of the network resources and their relationship, the information can be understood by the computer, so that the computer can directly query and process the information on the network, which greatly saves manpower and time. Under the background of semantic Web and data visualization technology, this paper interprets the linked data in the semantic Web from a new perspective. In the research work, this paper mainly focuses on open source linked data set and data query, and realizes three visualizations: visualization of Eli France, disassembly and reorganization of data. A dynamic, friendly and interactive visual interface is implemented in five different angles, and a vivid visual semantic web browser is created for the visualization of cross-domain and cross-language large knowledge encyclopedia DBPedia in two different forms. By querying a certain word and clicking on the graphic elements in the visual interface, it derives from one resource to other resources in many different fields, and vividly expresses the link between the data, which embodies a large mesh structure of DBpedia; Finally, the link data query statements are visualized. By analyzing the basic components of each ontology and Sparql query statements, a basic framework of Sparql query statements is abstracted and presented in a visual way. It greatly facilitates the user to quickly understand a certain ontology and generate Sparql statements to view the results. With the help of the concept of semantic Web and the analysis of open source linked data set, this project applies visualization technology to present and describe the information of network resources in a dynamic and interactive visual interface, through the separation of project design and implementation technology. It allows users to query and analyze the data without having any basic knowledge of the semantic Web, so as to help users quickly understand the semantic Web data model and basic concepts, and make decisions and judgments on the basis of this. The open source RDF data visualization system is a first phase cooperation project between KB CRAWL SAS and French Eli. After the completion of the project, the project was displayed in the meetup of the Eli and Openlaw member organizations in France, and it was well received by them. Examples show that the visual link data can clearly describe the data pattern in the semantic web and provide a quick and convenient way for users to visualize and analyze the statistical link data.
【學(xué)位授予單位】:北京交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TP393.4
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