图数据库技术在知识图谱数据管理中的应用
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
flickr wrappr
OpenGuides
Virtuoso
stat
Sponger
DBLP RKB Explorer
eprints
pest BME
Pisa
BBC Programm
es
Open Calais
New-
riese
World
MDB Linked
castle
ECS
IEEE
Gov-
Fact-
Magna-
……
Open Linked Data, Web-scale Triple Store,
Semantic Wiki ……
How to get more data ? How to manage the Web-scale Semantic Data ?
Scalability
Some Interesting Products
Some Interesting Products
Google Knowledge Graph
RDF Uses
Yago and DBPedia extract facts from Wikipedia & represent as RDF → structural queries Communities build RDF data
book
Southampton
Track
US
Census Data
tune
W3C WordNet
DBpedia
lingvoj
Freebase
RDF Book
Mashup
CiteSeer
IBM LAASCNRS
DBLP
Hannover
UniRef
Open Cyc
Yago
Homolo Gene
Pub Chem
E.g., biologists: Bio2RDF and Uniprot RDF Web data integration
Linked Data Cloud ...
RDF Data Volumes ...
...are growing – and fast Linked data cloud currently consists of 325 datasets with >25B triples Size almost doubling every year
IBM Watson
Some Interesting Products
EVI— acquired by Amazon on October 2012.
William Tunstall-Pedoe: True Knowledge: Open-Domain Question Answering Using Structured Knowledge and Inference. AI Magazine 31(3): 80-92 (2010)
Musicbrainz
Surge Radio
AudioScrobbler
LIBRIS QDOS
Doapspace
SemWebCentral
Flickr exporter
Wikicompany
Semantic Web.org
RDF ohloh
SW Conference
Corpus
Resex
IRIT Toulouse
Symbol
Diseasome
UMBEL
Daily Med
CAS
LinkedCT
GEO
Drug Bank
KEGG
Species Berlin
DBLP Reactome
UniParc
GeneID
UniProt
OMIM
ChEBI
Gene Ontology
PROSITE
Taxonomy
Pfam
ProDom
What’s Sematic Web: From Two Perspectives
Expressiveness
More Semantic; More Powerful Reasoning RDF, RDFS,OWL,OWL Full, OWL 2
……
Open Linked Data, Web-scale Triple Store,
RDF Data Volumes ...
...are growing – and fast
Linked data cloud currently consists of 325 datasets with >25B triples Size almost doubling every year
MySpace
<html> <font size="3" color="red"> Lei Zou </font> </br> Email:<a href= "mailto: zoulei@pku.edu.cn">
zoulei@pku.edu.cn </a> <p> <font size="3" color="black">Publications: </font> </p> <div> Lei Zou, Jinhui Mo, Lei Chen, M. Tamer Ozsu,
Semantic Wiki ……
How to get more data ? How to manage the Web-scale Semantic Data ?
Scalability
What’s Sematic Web: From Two Perspectives
Expressiveness
More Semantic; More Powerful Reasoning RDF, RDFS,OWL,OWL Full, OWL 2
What’s Sematic Web: Google Snippet
What’s Sematic Web: Google Snippet
What’s Sematic Web: Google Snippet
What’s Sematic Web: Google Snippet
What’s Sematic Web: Facebook Social Graph
Dongyan Zhao, gStore: Answering SPARQL Queries Via Subgraph Matching, VLDB, 2011
</div> </html>
What’s Sematic Web: A Simple Example (RDFa)
Sematic Web considers the sematics of the content.
……
More Interesting Applications
Apple Siri, Google Knowledge Graph;
IBM Watson;
……
More Areas
Broadcasting: BBC Publishing: Thomson Reuters Life: Eli Lilly and Company
Facilitates exchange of information Search engines can retrieve more relevant information Facilitates data integration (mashes) Machine understandable Understand the information on the web and the interrelationships among them
What does the content in the page mean? e.g., What are the mean of “zoulei@pku.edu.cn” and “VLDB” ?
<html> <div resource="#me" typeof="Person" > <font size="3" color="red"> <span property= http://xmlns.com/foaf/0.1/name> Lei Zou </span> </font> <br/> <a property=" http://xmlns.com/foaf/0.1/mbox" href= "mailto: zoulei@pku.edu.cn " > zoulei@pku.edu.cn </a> <p> <font size="3" color="black">Publications: </font> </p> <div resource="www.vldb.org/pvldb/vol4/p482-zou.pdf">
DB Tropes
Magna-
GT AA
Folk Moseley Music
(DBTune)
(Dat a InBcurabiantzor)
s cAroubdbiole-r
List s Sussex Reading
Resource List s
St . Andrews
(DBTune)
UniSTS
HGNC
MGI PubMed
Inter
Pro
PDB
As of March 2009
Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/
March ’09: 89 datasets
What’s Sematic Web: A Simple Example (RDFa)
The traditional Web (HTML) only considers the display of the content. How is the page displayed, such as which font and the format of the pictures ?
Graph-based RDF Data Managment
RDF and Semantic Web
RDF is a language for the conceptual modeling of information about web resources A building block of semantic web
<span property=" http://purl.org/dc/terms/contributor"> Lei Zou </span>, <span property="http://purl.org/dc/terms/contributor"> Jinghui Mo </span>, <span property=" http://purl.org/dc/terms/contributor"> Lei Chen </span>, <span property=" http://purl.org/dc/terms/contributor"> M. Tamer Özsu</span>, <span property=" http://purl.org/dc/terms/contributor"> Dongyan Zhao</span>, <span property=" http://purl.org/dc/terms/title"> gStore: Answering SPARQL Queries Via Subgraph Matching </span>, <span property=" http://purl.org/dc/terms/Publisher"> VLDB </span> <span property=" http://purl.org/dc/terms/Date">2011</span> </div> </html>
Eurécom
BBC
Later +
Jamendo
TOTP
BBC
BBC John Peel
Crunch Base
FOAF profiles
SSIiOtesC
Revyu
ACM
RAE 2001
Buda-
Playcount Data
Pub Biblioteka Baiduuide
Geonames
Euro-
Project
Gutenberg
RDF Data Volumes ...
...are growing – and fast
Linked data cloud currently consists of 325 datasets with >25B triples Size almost doubling every year
MySpace Wrapper