Virtuoso's SQL to RDF Technology Presentation (W3C RDF & DBMS Integration Workshop 10-25-2007)

OpenLink Virtuoso - SQL & RDF RDF Views of SQL Data (Exposing SQL Data as RDF) Orri Erling Program Manager - OpenLink Virtuoso mailto: [email_address] .com

Virtuoso Universal Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Situation Analysis ,[object Object],[object Object],[object Object],[object Object],[object Object]

What We Hope ,[object Object],[object Object]

Yes, if... ,[object Object],[object Object],[object Object]

Virtuoso’s RDF Views of SQL Data Functionality

What are RDF Views? ,[object Object],[object Object],[object Object]

Virtuoso RDF Views Implementation ,[object Object],[object Object],[object Object],[object Object]

Virtuoso SPARQL and SQL Extensions ,[object Object],[object Object],[object Object]

Northwind Demo Database ,[object Object],Demo.demo.Orders Demo.demo.Customers varchar(24) varchar(24) varchar(15) varchar(10) varchar(15) varchar(60) varchar(30) varchar(30) varchar(40) varchar(5) Mexico Mexico Germany Country (171) 555 - 7788 (5) 555 -4729 030 - 0074321 Phone 05023 05021 12209 Postal Code Avda. de la Constitucion 2222 Avda. de la Constitucion 2222 Obere Str. 57 Address Mexico D.F. Mexico D.F. Berlin City (5) 555 - 3745 Owner Ana Trujillo Ana Trujillo Emparedados y helados ANATR (171) 555 - 6759 Owner Antonio Moreno Antonio Moreno Taqueria ANTON 030 - 0076545 Sales Represe-ntative Maria Anders Alfreds Futterkiste ALFKI Fax Contact Title Contact Name Company Name Customer ID … 2 1995-11-13 1995-12-01 1995-11-03 4 ALFKI 10692 … … … … 1 Ship Via … 1995-10-23 Required Date … 1995-10-03 Shipped Date … … … 1995-09-25 6 ALFKI 10643 Order Date Employee ID Customer ID Order ID

Northwind Demo Database: RDF View Definition Extract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Demo.demo.Customers Northwind RDF View Definition create virtrdf:NorthwindDemo as graph iri (“http://^{URIQADefaultHost}^/Northwind”) { … northwind:Customer(customers.CustomerID) a foaf:Organization as virtrdf:Customer-CustomerID ; northwind:companyName customers.CompanyName as … ; … northwind:fax customers.Fax as virtrdf:Customer-fax . … } } northwind:Customer(orders.CustomerID) northwind:has_order northwind:Order(orders.OrderID) as virtrdf:Order-has_order . Country Phone Postal Code Address City Fax Contact Title Contact Name Company Name Customer ID

Northwind Demo Database: RDF View Definition Extract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Demo.demo.Orders Northwind RDF View Definition create virtrdf:NorthwindDemo as graph iri (“http://^{URIQADefaultHost}^/Northwind”) { … northwind:Order (orders.OrderID) a northwind:Order as virtrdf:Order-Order ; northwind:orderDate orders.OrderDate as virtrdf:Order-order_date ; northwind:requiredDate orders.RequiredDate as virtrdf:Order-required_date ; … … } } northwind:has_customer northwind:Customer (orders.CustomerID) as virtrdf:Order-order_has_customer northwind:has_employee northwind:Employee (orders.EmployeeID) as virtrdf:Order-order_has_employee ; Shipped Via … Required Date Shipped Date Order Date Employee ID Customer ID Order ID

Northwind Demo Database: Customer Table to RDF Entity Mapping Orders Table Germany Country 030 - 0074321 Phone 12209 Postal Code Obere Str. 57 Address Berlin City 030 - 0076545 Sales Represe-ntative Maria Anders Alfreds Futterkiste ALFKI Fax Contact Title Contact Name Company Name Customer ID companyName contactName contactTitle address city PostalCode country phone fax Alfreds Futterkiste Maria Anders Sales Representative Obere Str. 57 Berlin 12209 Germany 030-0074321 030-0076545 … Order/10643#this has_order Order/10692#this … has_order Customer/ALFKI#this prefix <http://demo.openlinksw.com/Northwind/> has_customer has_customer … ALFKI 10643 … ALFKI 10692 … Customer ID Order ID

Facilitate Information at Your Finger Tips ,[object Object],[object Object],[object Object],[object Object]

SQL-RDF Mapping Experiences ,[object Object],[object Object],[object Object]

What We Need ,[object Object],[object Object],[object Object],[object Object]

It is NOT about RDF vs. XML vs. SQL ,[object Object],[object Object],[object Object]

SQL-RDF Integration Value ,[object Object],[object Object],[object Object]

OpenLink Futures ,[object Object],[object Object],[object Object]

Additional Information ,[object Object],[object Object],[object Object]

Virtuoso's SQL to RDF Technology Presentation (W3C RDF & DBMS Integration Workshop 10-25-2007)

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Virtuoso's SQL to RDF Technology Presentation (W3C RDF & DBMS Integration Workshop 10-25-2007)