1. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 1 VESTA-GIS Module on Web Services Anders Östman University of Gävle, Sweden Anders.Ostman@hig.se

2. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 2

3. 3 What is a web service? A web page is written in a standardised language (html), but its content is not standardised. It is made for visual reading, not for automatic processing A web service provide the client with standardised files. These files can be used by other web services (chained)

4. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 4 Content What are web services Web service standards Some OGC specifications –Web Map Service –Web Feature Service –Web Processing Service

5. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 5 Service Oriented Architecture (SOA) – The OSE model Database services Integrating concepts (TCP/IP, SOAP, WSDL, UDDI) Generic services Business logic Human interface

6. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 6 Course outline Lecture 1: Basic concepts of web services (4 files). Reading (for details, see literature list) –Wikipedia, 2007. Web Services –W3Schools, 2007. Web Service Tutorial –W3C, 2002. Web Service Architecture (not mandatory reading) –W3Schools, 2007. Web Glossary – always as reference (not mandatory reading) Lecture 2: Web Processing Services (1 file). Reading –OGC, 2005. Web Processing Services (not mandatory reading) Self test

7. VESTA-GIS/NatureSDIPlus workshop 2008-11-06 7 VESTA-GIS e-learning platform http://netcampus.inspire-x.se/vestagis Login credentials required –Procedure for this will be published soon at the VESTA-GIS and NatureSDIPlus project web sites