시맨틱웹기술및시장동향 - Welcome to DureNet & ebiz 연구회dure.net/ebiz08041.pdfOpen...

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Laboratory Copyright © 2004-2008, KISTI1SERI eBiz연구회세미나

시맨틱웹기술및시장동향

17 Apr. 2008

Hanmin Jung

ISRL, KISTI

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시맨틱웹기술동향

시맨틱웹 2.0 동향회고

시맨틱웹필요성

시맨틱웹응용분야

시맨틱웹이슈

시맨틱웹서비스

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Semantic Web 2.0 Conference

일자: 2007.2.13

장소: 코엑스그랜드볼룸발표자: 정한민 (KISTI)

내용OntoFrame-K 서비스발전방향: Mashup & Personalization

웹 2.0 기술과특징을시맨틱웹기술기반서비스와접목서비스방식과환경변화에의능동적대처

단위서비스의컴포넌트화를통한자유로운서비스간결합지원개인화온톨로지에기반을둔사용자중심서비스지향

Retrospect 1

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차세대웹전망세미나일자: 2007.10.31

장소: 코엑스그랜드볼룸발표자: 정한민 (KISTI)

내용시맨틱웹 2.0 기반학술연구정보서비스사례

차세대웹의흐름학술연구정보서비스로서의 OntoFrame 소개서비스데모

Retrospect 2

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웹 2.0 코리아컨퍼런스 2008

일자: 2008.3.12

장소: 건설공제조합건설회관발표자: 정한민 (KISTI)

내용국내·외시맨틱웹최신동향및웹 2.0과의발전가능성

시맨틱웹필요성시맨틱웹응용분야시맨틱웹기술동향시맨틱웹 2.0 동향시맨틱웹이슈긍정적의견 부정적의견

평소관심깊었던주제에대해잘정리할수있어서좋았습니다.

시맨틱웹기술, 응용시장이해.

내용이어려웠음. 더쉽고자세히설명하면좋았을것같음.

어려워요.

개념이나설명이너무어려움.

어려운강의. 자료이해하기어려워요.

어려운개념, 기반지식없이는부담스럽네요.

Retrospect 3

기타의견강의내용이약간부합되는듯현실과떨어짐. R&D 성격이짙었으나도움이됐다.

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주간기술동향웹매핑서비스기술동향 (Vol.1353) – to appear

시맨틱웹 2.0 기술동향 (Vol.1345) – to appear

국내포털검색시장및특허동향 (Vol.1341)

Open API 기술동향 (Vol.1296)

엔터프라이즈검색기술동향 (Vol.1276)

전자상거래검색기술동향 (Vol.1273)

시맨틱웹포털기술동향 (Vol.1264)

References

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시맨틱웹이슈


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Agenda

시맨틱웹은왜탄생하게되었는가?시맨틱웹은어디에/어떻게기여할수있는가?시맨틱웹기술의핵심은무엇인가?시맨틱웹관련궁금증으로는무엇이있는가?시맨틱웹적용의쉬운예는?과거실패한인공지능과의차이점은?

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Information Flood

Semantic WebRDF, RDF(S), OWL

Quantity ofInformation

I billion users

More than 30 billion pages

5 exabytes / yearSerious Problems in

• information finding,

• information extracting,

• information interpreting,

• Information cooking,

• information maintaining.

WWWURI, HTML, HTTPLet computers do that !

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Problems

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What They Want?

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차세대웹시맨틱웹(Semantic Web)

사용자와콘텐츠가제어가능하지않은현실에대한인식컴퓨터가인식가능한상호운용적콘텐츠생산

애매성을허용하지않음→ URIDB 스키마대신로직과온톨로지를이용한모델링

작업자동화추론

웹 2.0새로운사회적현상에대한인식

블로그, Wiki, 매쉬업, 태그, 프로슈머, Long Tail, 폭소노미, …

기술적환경조성RIA, AJAX, RSS, …

웹 2.0이시맨틱웹을죽이고있는가?둘은적대적관계가아닌보완적관계

Origin

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Current Technologies

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From Web

Hanmin Jung

Korea Institute of …KAIST

Anonymous links

Nova Spivack, “Making Sense of the Semantic Web”, http://www.mindingtheplanet.net, 2007

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To Semantic Web

hasAffiliation

hasProject

heldAt

hasLocation

hasMember

madeAt hasAttachment

hasComponent

Creator

http://.../INS_39002931

Links with relation namesWell-planned relationsIdentification system

http://.../PER_02934056http://.../PER_23930003

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Interoperability

Bernard Werber

베르베르베르나르베르베르010032934…

“나무”“나무”

hasAuthor

hasNamehasName

Syntactic? Semantic?

hasName

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Knowledge Representation

RDF (Resource Description Framework)

1997년메타데이터모델로서설계되었음현재는정보모델링의일반적방법론이되었음Resource: URI를가진, 식별할수있는모든사물/개념Description: Resource의관계 (Property)에대한문장형식의기술Framework: 다양한관계명을사용한 Description을위한공통모델

Triple, Turtle, N3, XML, Graph

OWL (Web Ontology Language)

콘텐츠를 처리할 필요가 있는 응용들 (Applications, Machines)에 의한사용을위해설계되었음XML, RDF, RDF Schema에의해지원되는콘텐츠의기계적처리를지원부가적관계명과제약을미리정의

rdfs: subClassOf, sameAs, cardinality, allValuesFrom, intersectionOf

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http://tdwg2006.tdwg.org/fileadmin/2006meeting/slides/Richards_LsidAndRdfTutorial_abs0026.ppt

One Source Multi-Use

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Ontology & Reasoning

최광선, “시맨틱웹최신동향및활용가이드”, 웹월드컨퍼런스 2007

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Ontology Engineering

ftp://ftp.fao.org/gi/gil/gilws/aims/publications/workshops/AOS_4/ppt/Copenhagen.ppt

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Do You Know?

추론엔진과검색엔진추론엔진이검색엔진을완전히대체할수있는가?

검색엔진과추론엔진의적용범위는어떻게구분하는가?

추론엔진의결과를바로이용할수있는가?

정보의미화의미화대상은무엇인가?

Semantic Annotation은반드시필요한가?

메타데이터 (또는 DB)가 있다면 정보 의미화가 쉽고 빠르게 이루어질 수있는가?

실데이터와지식메타데이터 (또는 DB) 와 RDF 트리플간데이터표현의차이점은?

메타데이터 (또는 DB)와 RDF 트리플크기간상관관계는어떠한가?

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Another Artificial Intelligence?

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시맨틱웹이슈


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Agenda

시맨틱웹은어디에잘적용될수있는가?시맨틱웹시장전망은어떠한가?

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Semantic Web Applications

미국의경우, 2007년현재, IBM, BEA, CISCO, Vivisimo, Cerebra 등약 200여개이상의업체가시맨틱웹기술기반의제품을공급하고있으며, 정부기관, 금융, 제조, 물류, 교통, 통신, 에너지등분야에100여개이상의시맨틱웹기술적용사례가보고되었음.(Mills Davis, 2007)

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Market Forecast

Market Forecast (Top Quadrant, 2005)

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Market Forecast

시맨틱 기술지식-정보-지능화 사회 구현을 위한 핵심 기술세계시장 규모가 2010년 630억 달러에 이르고 연평균 성장률도 70%에이를 것으로 전망 (McKinsey)

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Major Companies

Sponsors for 2008 Semantic Technology Conference

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M&A News

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시맨틱웹이슈


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Agenda

시맨틱웹과웹 2.0은어느단계에와있는가?시맨틱도구들은어떤것들이있는가?

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Where We Are?

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Toward Web 4.0

Data Representation for machine→ Reasoning→ (USN + Agent)→ → Context Awareness→→ Use New Relations→ → → Recommendation→ → → Personalization

Collaboration btw. Agents

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Hype Cycle

Social & Cultural Speed

Technical Speed

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Semantic Tools

OntoReasoner

OntoManager OntoURI

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시맨틱웹이슈


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Agenda

시맨틱웹 2.0을위해활용되는정보와방식은?시맨틱웹 2.0의해외동향은?

OntoFrame은무엇이며향후전략은?

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Direction

Enterprise Domain

시맨틱웹서비스프레임워크에사용자경험강화를위해웹 2.0 기술도입RIA, Open API, …

Open Domain

웹 2.0 서비스에상호운용성강화를위해시맨틱웹기술 (표현언어및구조표준) 도입

FOAF, DC, WordNet, URI, RDF, …

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Dublin Core

http://au.dublincore.org/meetings/FAO-DCMI-Presentation-2001-04.ppt

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Dublin Core

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WordNet

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FOAF (Friend-of-a-Friend)

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(Semantic) Annotation

Techniques and Limitations

Named entity extractionManual/automatic

Extraction with relations between entitiesLexicon level

Restricted relations

unsatisfactory precision

“A drilling rig or oil rig is a structure housing equipment used todrill and extract oil or natural gas from underground reservoirs.Drilling rigs can also be used to drill for water or for exploration purposes.”

“A drilling rig or oil rig is a structure housing equipment used todrill and extract oil or natural gas from underground reservoirs.Drilling rigs can also be used to drill for water or for exploration purposes.”

drilling rig oil rig

water oil

rig

natural gas

drill

sameAs

subclassOf

used for partOf

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DogmaBank

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OntoFrame – Topic Service

연구연구 Topic Topic 중심중심서비스서비스

• Topic 기반논문검색서비스질의어포함여부와무관한의미기반검색

• Topic 동향분석서비스연관 topic들을기간별로동적으로제시해당 topic이기간별로어떤 topic과관련지어연구되는지를제시

• Topic관련전문가정보서비스관련학술성과를고려한전문가목록및순위제시성과에기반한실질적전문가검색이가능

• Topic 관련전문연구기관정보서비스관련학술성과를고려한연구기관목록및순위제시성과에기반한실질적전문연구기관검색이가능

• Topic과관련된타연구 Topic 제시서비스해당주제어를전체/부분적으로포함하는다른 topic들제시유사연구 topic에대한검색이가능

Topic Page

papers by topic

topic trends

persons by topic

see also

institutions by topic

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개체논문: 114,337 편인력: 161,853 명주제: 160,568 개기관: 17,093 개위치: 730,360 개(GPS 기반)

RDF 트리플: 19,482,920 (2007.9)

OntoFrame –Data

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Topic Page

연구자그룹, 연구자네트워크Person Page

연구자네트워크

OntoFrame – Social Network

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Topic Trends

“Artificial Intelligence”

OntoFrame – Topic Trends

2000

2001

2002

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시맨틱웹이슈


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Agenda

시맨틱웹활성화를위한기술적이슈는?시맨틱웹이슈에대한국내·외동향과수준은?

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Issues

개체 식별• 정확한 정보 제공을 위한 개체 식별– 자동 개체식별 도구

• 개체가 식별된 정보의 연계– 시맨틱 지식 구축 도구

추론시스템

• 식별·연계된 정보의 저장/관리/탐색– 대용량·고속 추론 시스템

• 추론 기능을 활용한 사용자 응용 서비스– 시맨틱 웹 서비스 프레임워크

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Identity Resolution

One or TwoPersons?

Barry G.T.Lowden

BarryLowden

One or TwoPersons?

ChristianBecker

ChristianBecker

case 1case 1 case 2case 2

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ReSIST (2006 ~ 2008)

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Reasoning

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Semantic Web Vision

… Lucy instructed her Semantic Web agent through her handheld Web browser.

The agent promptly retrieved information

about Mom's prescribed treatment from the doctor's agent,

looked up several lists of providers,

and checked for the ones in-plan for Mom's insurance

within a 20-mile radius of her home

and with a rating of excellent or very good on trusted rating services. …

…루시는손바닥만한웹브라우저를사용하여그녀의시맨틱웹에이전트에게지시를내린다.

루시의에이전트는의사의웹에이전트로부터엄마의진료기록에관한정보를가져오고몇몇진료제공자들의목록을살펴본후

어머니의집에서반경 20마일이내에위치하고믿을만한신용도평가기관에서 '우수한' 또는 '아주좋은'과같은평가를받은의료보험회사를골라낸다. …

http://www.sciam.com/article.cfm?articleID=00048144-10D2-1C70-84A9809EC588EF21

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Thank you

[email protected]

시맨틱웹기술및시장동향 - Welcome to DureNet & ebiz 연구회dure.net/ebiz08041.pdfOpen...

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