Presentasjon om OpenLink Virtuoso, en RDF-database.

1. Virtuoso: Semantikk som skalerer!
Øystein Isaksen
27.10.2011

3. Universal Server

4. Multiplattform
• Virtuoso støtter en rekke 32- & 64-bit
plattformer inkludert:
Windows, UNIX, Linux, og Mac OS X.

5. Protokollstøtte
HTTP, HTTPS, WebDAV, SOAP, UDDI, WSDL, WS-Policy, WS-
Security, WS-ReliableMessaging, WS-Routing, WS-Referral, WS-
Attachment, WS-BPEL, SyncML, GData, SPARQL SPARUL, NNTP
,

6. Data inn og ut
• ODBC, JDBC, ADO.NET og OLE DB
• Conductor, administrasjonsgrensesnitt
• ISQL (Interactive SQL)
• Sparql

7. RDF Triple store (QUAD egentlig)

8. Verktøy

9. Administrasjonsgrensesnitt

10. Søk

11. Sparql-grensesnitt

12. ISQL

13. Mye mer

14. Sesamprosjektet hos Hafslund

15. Hvorfor valgte vi Virtuoso

16. Ytelse

17. Sparql benchmark
Number of Triples
100M 200M
Number of Products 284,826 570,000
Number of Producers 5,618 11,240
Number of Product
47,884 94,259
Features
Number of Product Types 2,011 3,949
Number of Vendors 2,896 5,758
Number of Offers 5,696,520 11,400,000
Number of Reviewers 146,093 292,095
Number of Reviews 2,848,260 5,700,000
Total Number of Instances 9,034,108 18,077,301
Exact Total Number of
100,000,748 200,031,975
Triples
File Size Turtle (unzipped) 8.7 GB 18 GB

18. Spørringer i sekundet
4store BigData BigOwlim TDB Virtuoso
Query 1 117.6 64.2 112.5 75.1 200.7 Queries per Second by Dataset Size and
Query 2 49.0 33.6 159.3 41.0 71.1
Query
Running 500 query mixes against the
Query 3 102.4 12.4 125.0 82.2 201.4
different stores lead to the following query
Query 4 43.4 38.4 97.9 62.1 103.9 throughput for each type of query over all
Query 5 7.8 2.3 3.0 2.0 15.2 500 runs (in Queries per Second). The best
performance figure for each query is set bold
Query 6 in the tables.
Query 7 41.3 31.3 32.6 22.6 24.9
100 Million triples dataset.
Query 8 49.1 48.5 38.0 24.4 54.0
Query 9 233.0 54.8 141.8 124.6 379.1
Query 10 49.2 61.6 48.5 33.5 113.7
Query 11 145.3 43.8 51.3 30.0 73.6
Query 12 46.5 54.8 65.4 33.3 68.0

19. Vår egen test
Virtuoso (RDF)
Max User Load 25
Tests/Sec 153
Tests Failed 0
Avg. Test Time (sec) 0,12
Transactions/Sec 0
Avg. Transaction Time (sec) 0
Pages/Sec 153
Avg. Page Time (sec) 0,11
Requests/Sec 153
Requests Failed 0
Requests Cached Percentage 0
Avg. Response Time (sec) 0,11
Avg. Content Length (bytes) 94,0

20. Funksjonalitet

21. Hafslund arkitektur
Hva bruker vi det til?
Scanning
JDBC IFS SharePoint
IFS Dokument Office klient
connector
OKS
OpenSearch SD share CMIS server
Weblogic ESB
Metadata-
extention
OpenSearch SD share SPARQL SD share CMIS klient
SD-Share CMIS – 360
SD-Share
kilent og adapter
Søkemotor server 360 connector kilent og
server
SPARQL API
Public 360 og
Virtuoso RDF server SharePoint
Office klient

22. Eksponerer data fra fagsystemer
Virtuoso SparUL
Sdshare Sdshare
klient
Sparql
Sdshare

23. SDshare hva ?

24. SDshare klient
System A
SDshare klient
System B

25. Hva skjer FØR det blir SDshare?

26. Snakke med de ansvarlige for
fagsystemet
Web services Buss
Web Service
SDshare
Klient

27. What’s in it for me ? ….
”En av de største
utfordringene med
integrasjon, er villigheten
hos systemeiere til å gjøre
de nødvendige
tilpasningene”

28. Vår tilnærming..
DB (ORACLE)
SQL linked
table RDF view
SDshare
SQL table
Virtuoso

29. Dette høres veeeeldig fornuftig ut…

30. Erfaringer så langt

31. Test selv

32. Open source

33. Into the clouds

34. .Net støtte, dotNetRDF

35. Hvor brukes det?

36. Spørsmål?