VIRTUOSO-RDF

OpenLink Virtuoso – RDF Views Exposing SQL Data as RDF

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

Virtuoso RDF Views ,[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

Northwind Demo Database: RDF Browser View – Customer

Northwind Demo Database: RDF Browser View – Order

Example: Product Portfolio – Table View

Example: Product Portfolio – RDF View

Meta-Schema Language ,[object Object],[object Object],[object Object],[object Object],[object Object]

MSL Building Blocks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Organizational Enhancements ,[object Object],[object Object],[object Object],[object Object]

Quad Map Pattern ,[object Object],[object Object],[object Object]

Quad Map Pattern - Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Named Quad Map Patterns ,[object Object],[object Object],[object Object],[object Object],[object Object]

Group Map Patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],group map pattern name

Quad Storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IRI Classes – Creating IRIs from Keys ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IRI Classes – Format Strings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IRI Classes – Complex Conversions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Literal classes / Identity classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quad Pattern Construction Rules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Simple RDF View Definition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Additional Meta Schema Language Features ,[object Object],[object Object]

Table Aliases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SQL Selection & Joins Through Filters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SQL Selection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],foreign key to IRI conversion primary key to IRI conversion

Associating Filters with Table Aliases ,[object Object],[object Object],[object Object],[object Object],[object Object]

SQL Joins ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

VIRTUOSO-RDF

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