1. Roger D. Harwell 17 October 2007 Rocket City Geospatial Conference
The “Geo-Web” 2.0
Sharing Data and Functionality over the Web
Roger D. Harwell
17 October 2007
Rocket City Geospatial Conference

2. Web 2.0 phenomenon Web 1.0 Web 2.0 DoubleClick --> Google AdSense
Web 2.0
DoubleClick
-->
Google AdSense
Ofoto
Flickr
Akamai
BitTorrent
mp3.com
Napster
Britannica Online
Wikipedia
personal websites
blogging
evite
upcoming.org and EVDB
domain name speculation
search engine optimization
page views
cost per click
screen scraping
web services
publishing
participation
content management systems
wikis
directories (taxonomy)
tagging ("folksonomy")
stickiness
syndication

4. Web 2.0 phenomenon collaboration, participation, trust vs. publishing
wikipedia, ebay ranking
search vs. catalog; tag vs. directory
server-side
gmail, flickr, del.icio.us
blogging
RSS – subscription
“geoweb”
web services (service-oriented architecture)
“mashup”
…and certainly web services, services-oriented architecture is a part of this whole phenomenon we call “Web 2.0”.
Due to the big 3 getting in the “geo-web” business (we used to think of the big 3 as GM, Ford, and Chrysler—now its Google, Yahoo, and Microsoft) and bringing us to what I call “GeoWeb 2.0” applications, my kids can now relate to what I do all day at work. My wife still doesn’t grasp it—I still can’t get her to understand what I do, but my kids do now!!

5. The Evolution To Services
Business Benefit
2000+
Web Services
Service-Oriented
Solutions
Late 1990s
Web technologies appear
e.g., HTTP, HTML, XML
Early 1990s
Application integration technologies appear
Pre-1990s
Custom, static
B2B Integration

6. What is a Service-Oriented Architecture?
W3C: “A set of components which can be invoked, and whose interface descriptions can be published and discovered”
BEA: “Service-Oriented Architecture is an IT strategy that organizes the discrete functions contained in enterprise applications into interoperable, standards-based services that can be combined and reused quickly to meet business needs.”
Protegra: “A Services Oriented Architecture is an approach to system design where solutions are assembled from reusable component services.”
A software component that is described via WSDL and is capable of being accessed via standard network protocols such as but not limited to SOAP over HTTP.
A web technology with many, many TLA’s
TLA = Three Letter Acronym

7. Key Concepts
Reusable Components
Loose Coupling

8. COM vs. Web Services Common Object Model (COM) Web Services Model
DLL
Common Object Model (COM)
 Windows Operating System
 Local Server operations
 Scalability often requires custom application design
 Proprietary communications
 Native data types (fast)
 Approaching end-of-life in favor of a Web Services model
Web Services Model
 Most Operating Systems
 Local and remote Servers
 Scalability requires off-the-shelf load balancing
 XML communications
 Data serialized into ASCII XML
 A widely accepted and growing standard
 An advantage
 A disadvantage

16. Google Earth
China - 1,313,973,713
India - 1,095,351,995
United States - 300,176,035
Indonesia - 245,452,739
downloaders of Google Earth- >200,000,000 (Sept., 2007)
Brazil - 188,078,227
Pakistan - 165,803,560
Bangladesh - 147,365,352
Russia - 142,893,540
Nigeria - 131,859,731
Japan - 127,463,611
Mexico - 107,449,525
Philippines - 89,468,677
Vietnam - 84,402,966
Germany - 82,422,299
Egypt - 78,887,007
Ethiopia - 74,777,981
Turkey - 70,413,958
Iran - 68,688,433
Thailand - 64,631,595
Democratic Republic of the Congo - 62,660,551
France - 60,876,136
United Kingdom - 60,609,153
Michael Jones, CTO, Google Earth
“5th most populous country”
“G8 Summit”

20. Roger D. Harwell Intergraph Corporation Product Manager
GeoMedia WebMap Products
Security, Government & Infrastructure
Tel. +1 (256)
Fax +1 (256)
Intergraph Corporation
P.O. Box 6695
Huntsville, AL