超媒體與www-文庫吧在線文庫
【正文】 amer, tank 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) Web = 數(shù)據(jù) +信息 知識(shí) 搜索靠經(jīng)驗(yàn) 把連接結(jié)構(gòu)當(dāng)作內(nèi)容 帶修辭的描述 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) Web = Data+InformationKnowledge Search using indexes Metadata and classifications Digital Library 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) “尋找一個(gè)在歐洲球隊(duì)的成功的運(yùn)動(dòng)員 ” Resource 1 描述歐洲的足球運(yùn)動(dòng)員及其職業(yè) Resource 2 列出所有包括包括世界杯和各種超級聯(lián)賽的體育競賽 Resource 3 列出所有在世界杯中獲勝的球隊(duì) Resource 4 描述 Olympic Games 貝克漢姆的主頁 ? ?Metadata ?Knowledge ?Inference 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) People Sport Competition Soccer Rowing Coxless Fours Tournament Event Sports Tournament Olympic Games Soccer player Sports Person Rower Wimbledon win Rower win Olympic Games UK Rower win Olympic Games 2 times Tennis FA Cup Soccer player wins FA Cup once Soccer Tournament Tennis Tournament Country nationality UK Europe partof holds 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) 什么是知識(shí) ? ? Knowledge – 為完成某個(gè)任務(wù)或推斷某些新信息所需的所有信息和理解 ? Information – 具有某種含義 （ meaning） 的數(shù)據(jù) ? Data – 被感知的未加任何理解的原始信號 Carole Goble Professor University of Manchester UK WWW10 Name Job Company Country C o n f woman academic, senior red brick university, 5 rated european ? mittee member W e b 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) Where does knowledge go? ? 帶有標(biāo)注信息的元數(shù)據(jù)資源 – Knowledge is a shared vocabulary ? 保存這些信息的知識(shí)結(jié)構(gòu) – There is no one knowledge – . Product classifications – Home Recreation Sports Events International Games Olympic Games 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) Metadata today 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) 多種分類 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) 多種分類 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) 搜索需要的知識(shí) Word analysis Knowledge and Inference 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) RDF, RDFS OIL Semantic web Exponential Growth Incremental Evolution Html, Http Browsers 1990 DHTML, CSS, Javascript, CGI Search engines XML, DTDs, XLink Static web Dynamic web Consistent web 1994 1996 1998 2023 1992 XSLT XMLQL 計(jì)算機(jī)網(wǎng)絡(luò)新技術(shù) Application
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