Se ha denunciado esta presentación.
Utilizamos tu perfil de LinkedIn y tus datos de actividad para personalizar los anuncios y mostrarte publicidad más relevante. Puedes cambiar tus preferencias de publicidad en cualquier momento.
Próximo SlideShare
F-interop Meetup
F-interop Meetup
Cargando en…3
×
1 de 25

M\u00G2s Contenido Relacionado

También Podría Gustarte

Libros relacionados

Gratis con una prueba de 30 días de Scribd

Ver todo

Audiolibros relacionados

Gratis con una prueba de 30 días de Scribd

Ver todo

SAPS - Semantic AtomPub-based Services

  1. 1. Semantic AtomPub-based Services Markus Lanthaler © Matt Reinbold Graz University of Technology
  2. 2. Web services are increasingly popular
  3. 3. Twitter Facebook Google 15 billion 5 billion 5 billion per day per day per day
  4. 4. 76% of the APIs are RESTful [ProgrammableWeb, May 2010]
  5. 5. but
  6. 6. © Nesster
  7. 7. Two Options
  8. 8. Two Options
  9. 9. Exchange of semantically annotated data through a well-defined interface
  10. 10. SAPS’ Semantic Layer SAWSDL JSON Schema+ … XML Schema JSON … Atom AtomPub OpenSearch HTTP(S) TCP/IP
  11. 11. pay order query products Restbucks
  12. 12. <?xml version="1.0" encoding='utf-8'?> <service xmlns="http://www.w3.org/2007/app" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:saps="http://www.purl.org/saps"> <workspace> <atom:title>Coffee Shop Service</atom:title> <collection href="/products" > <atom:title>Products</atom:title> [...] </collection> <collection href="/orders" > <atom:title>Orders</atom:title> [...] </collection> </workspace> </service>
  13. 13. <collection href="/orders" > <atom:title>Orders</atom:title> <accept saps:schema="/schemas/purchase-order.xsd"> application/xml </accept> <categories fixed="yes"> <atom:category scheme= "http://www.purl.org/net/ontology/order.owl#" term="http://www.purl.org/net/ontology/ order.owl#PurchaseOrder" label="Orders" /> </categories> </collection>
  14. 14. <collection href="/products" > <atom:title>Products</atom:title> <accept /> <categories fixed="yes"> <atom:category scheme="http://purl.org/goodrelations/v1#" term="http://purl.org/goodrelations/v1#Offering" label="Products" /> </categories> <atom:link rel="search" type="application/opensearchdescription+xml" href="http://api.example.com/productsearch.xml"/> </collection>
  15. 15. <?xml version="1.0" encoding="UTF-8"?> <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"> <ShortName>Product Search</ShortName> <Description>Search for products</Description> <Url xmlns:gr="http://purl.org/goodrelations/v1#" type="application/atom+xml;type=feed" template="http://api.example.com/?q= {searchTerms?}&amp;ean={gr:hasEAN_UCC-13?}" /> </OpenSearchDescription> GET /?q=&ean=2300000010015 HTTP/1.1 Host: api.example.com
  16. 16. <?xml version="1.0" encoding="utf-8"?> <feed xmlns="http://www.w3.org/2005/Atom"> <title type="text">Search for EAN 2300000010015</title> [...] <entry> <title>Cappuccino</title> <summary>A hot cappuccino for 1.99 EUR</summary> <id>tag:example.org,2003:3.2397</id> <updated>2009-07-31T12:29:29Z</updated> <published>2008-12-13T08:29:29-04:00</published> <content type="application/xml"> [...] </content> </entry> </feed>
  17. 17. <content type="application/xml"> <product xmlns="http://example.com/products" xmlns:xsi="http://www.w3.org/2001/XMLSchema- instance" xsi:schemaLocation="http://example.com/products http://example.com/products.xsd"> <id>http://api.example.org/products/P4197</id> <label>Cappuccino</label> <ean>2300000010015</ean> <sku>P4197</sku> <price>1.99</price> <description>...</description> </product> </content>
  18. 18. <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sawsdl="http://www.w3.org/ns/sawsdl"> <xsd:element name="product" type="ProductType" sawsdl:modelReference="http://purl.org/goodrelations/ v1#Offering" /> <xsd:complexType name="ProductType"> <xsd:sequence> <xsd:sequence> <xsd:element name="id" type="xsd:anyURI" /> <xsd:element name="label" type="xsd:string" sawsdl:modelReference="http://www.w3.org/2000/ 01/rdf-schema#label" /> <xsd:element name="ean" type="xsd:string" sawsdl:modelReference="http://purl.org/ goodrelations/v1#hasEAN_UCC-13" /> <xsd:element name="sku" type="xsd:string" sawsdl:modelReference=" http://purl.org/ goodrelations/v1#hasStockKeepingUnit http://www.purl.org/net/ ontology/order.owl#PartNumber" /> <xsd:element name="price" type="xsd:decimal" sawsdl:modelReference="http://purl.org/ goodrelations/v1#hasCurrencyValue" /> <xsd:element name="description" type="xsd:string"
  19. 19. <collection href="/orders" > <atom:title>Orders</atom:title> <accept saps:schema="/schemas/purchase-order.xsd"> application/xml </accept> [...] </collection> POST /orders HTTP/1.1 Host: api.example.com Content-Type: application/xml <order xmlns="http://example.com/orders [...] </order> <link rel="next http://example.com/ontology/payment" href="/order/1684/payment" type="application/xml" saps:schema="/schemas/payment.xsd" title="Payment" />
  20. 20. strong emphasis on simplicity discovery and composition
  21. 21. Thank You © 2011, Markus Lanthaler. Some Rights Reserved. http://creativecommons.org/licenses/by-nc-sa/3.0/
  22. 22. Questions? Markus Lanthaler Markus.Lanthaler@student.TUGraz.at
  23. 23. Image Credits (1) http://www.flickr.com/photos/furryscalyman/3695730985/ (3) Adapted from “Two Billion is Cool,” M. Thomson. Available: http://corp.klout.com/blog/2011/07/two-billion-is-cool/ (6) http://www.flickr.com/photos/nesster/3168425434/

×