Web Services: A Framework for
Co-Director, E-Center for E-Business
George Mason University
Is current technology sufficiently expressive for
pure modeling or do we miss something?
Difficult to determine because most approaches are
proprietary and closely-held intellectual property.
Used for competitive advantage.
Panel Questions (continued)
What are runtime challenges like throughput and
performance in modeling approach?
Modeling tools should allow us to express quality-of-
service issues such as scalability, response time,
availability, etc. (See ECEB Home Page).
Why do many projects use programming rather
Time constraints, vendor-specific tool kits, lack of
high-level modeling tools.!
Panel Questions [continued]
Is it possible to follow a 100% modeling approach for
semantic B2B integration?
Why bother with modeling at all?
Do we have sufficient understanding of B2B
Of course we do: Web Services to the rescue!
Web Services allow companies to package their
Intellectual Property and make it available as a
service via the Internet.
Is there a framework for B2B Web Services?
Yes, Microsoft’s bCentral.com
Syndication of Data and Transactions
Commercial Internet Breadth Verticals and
Aggregators Utilities Consultants Marketplaces
bCentral: .NET Business Services
.NET Services User Dashboard and Customization
Authentication Business Process Services
(Directory, Rules Engine)
(Products, Accounts, Customers , Employees)
Business Process Services
Self Service Web Presence (MS FrontPage); Lead and
Appointment Management; Customer Tracking and Customer
Catalog Management, Order Management, Marketplace
Integration, Sourcing and Purchasing,
Sales Analysis, Accounting Services, Inventory Management,
Shipping and Logistics.
.NET and bCentral Services
Authentication: MSN Passport has 200 Million users.
Security: Verisign Digital Certificates,
Virus Protection: McAfee Online Services,
File Sharing: SharePoint Team Services,
Business Web Services – domain registration, hosting,
user e-mail ($259 per year),
Traffic Builder, List Builder, AdStore, Appointment
Commerce Manager (24.95/month), Finance Manager
($29.95/month), Customer Manager ($29.95/month).
B2B Modeling Methodology Features
Enterprise Data, Process and Workflow Modeling
Inter-Enterprise Business Process Integration,
XML-based data and knowledge interchange and
adherence to standards, e.g. RosettaNet, ebXML, etc.)
Business Object Security (SSL, HTTPS, PKI, Digital
Business service and product specification,
Registry and discovery of businesses and services
using multiple attributes including Quality of Service
(scalability, availability, business scope, etc.).
Web Service discovery, negotiation and composition for
creating the Virtual Enterprise.