1. Web Service Requirements for WISE Data Exchange
Duncan Taylor – SEPA
David Edwards - EHS

2. EHS - Article 8 Process
Information originating from a number of sources.
Some data from outside EHS.
Data in a variety of forms:
spreadsheet
database
GIS files
paper

3. EHS - Article 8 Process
Translate reporting sheets into a spreadsheet of geographical and non-geographical data.
Plot the schemas to determine how the data is organised.
Detailed examination of schema to check the precise format of the data.
Check the tables in the Access database to determine how best to fill in the tables.
Produce spreadsheets for the monitoring stations and monitoring sub-programmes.
Import the information from the monitoring stations spreadsheets into the Access database.

4. EHS - Article 8 Process
Cut and paste the information from the method statements into the Access database.
Create the link table between the sites and programmes.
3rd party check of data in the Access database.
UK-wide data consistency check.
Generation and validation of the .xml files.
Upload using Reportnet.

5. SEPA – Article 8 Process
All information (spatial and non-spatial) held centrally in Oracle database
Used Oracle XMLDB to create and store XML returns
Store XML within database
Register schemas with returns
Security and version control provided by database
Can view as relational data (through SQL) or as folders & files (through web browser / WebDAV)

6. Article 8 Process (I) Download schema
Match items in schema to fields in database
Register schema document in database
Create database procedure to generate XML files – automatically validated against schema
Sign-off XML by viewing through stylesheet
Load XML into WISE

7. Article 8 Process (II) Oracle XSD Parameters attributes RBD RBD_ID
Name
C_CD
Waterbodies
WB_ID
Lon
Lat
Description
Dist_CD
Name
Reporting
Level
Surface Water Monitoring Stations EU CD
o o
Parameters
C_CD = “UK”
Reporting Level = 1
Lon
Stations
o o
Lat
Name

8. Article 8 Process (III) View & Check WISE Relational Data XMLDB XSL
Report
XML
WISE
Database Procedure
Parameters
XSD

9. Benefits of Direct XML Generation
Production of return is automated – can be rerun at any time
Immediate validation against schema
XML can be viewed in many ways: display through stylesheets, as data, as export file
But still requires manual export of file

10. Web Services Create XML repository Expose data through web services
Same data can be used for many purposes
Upload to WISE
Display on agency websites
Use in internal applications
Data can come from multiple sources

11. Web Services (II) WISE Exposed XML Repository Services Website XML XSD
BROWSER
XSL
Apps
Server

12. Requirement:
Schema definitions