Cerebra Inc. Cerebra Inc. RIGHT ANSWERS, RIGHT TIME SOA AND SEMANTIC ARCHITECTURES WHY BOTHER CEREBRA, INC.

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 2 AGENDA AGENDA Today’s Goals INTRODUCTION TO SOA AND SEMANTICS –Accessible Data VS. Smart Data CONCEPT / TERM MEDIATION INFORMATION FUSION SEMANTIC REGISTRY POLICY MANAGEMENT FLEXIBLE PROCESS MANAGEMENT QUESTIONS

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 3 WHY SEMANTICS IN SOA WHY SEMANTICS IN SOA Delivering Information to the Grid WEB SERVICES MAKE DATA ACCESSIBLE –Expose data from heterogeneous sources…easily and in standard way SEMANTICS MAKE SMART DATA –Explicitly express concepts, relationships, rules, and constraints STANDARDS BASED

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 4 INFORMATION FUSION INFORMATION FUSION Ontology Mapping to Data Source Services ONTOLOGY MAPPING –Map classes and properties to services exposing data sources INFORMATION “DISCOVERY” –“Discover” information based on instances and model Steve Hamby is a person because he eats ice cream in a cone CLASS RESTRICTION –What orders are in trouble of late delivery? RULES CONSISTENCY –Consistent rules for integrating information vs. procedural rules Steve Hamby cannot be both a female and a male

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 5 CONCEPT MEDIATION CONCEPT MEDIATION User or Domain Concept and Term Classification CROSS-DOMAIN MEDIATION –Terminology and concept use across domains is often dissimilar –Use of semantics helps resolve differences I need one football MEDIATION Football = Ball Spherical, Brown Pigskin, White Rawhide-Laced There are 20 “Balls, Spherical, Brown Pigskin, White Rawhide- Laced” in stock Football Ball, SBPWRL There are 5 white round footballs in stock

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 6 SEMANTIC REGISTRY SEMANTIC REGISTRY UDDI / ebXML and Ontology FEDERATED REGISTRY –Not a replacement to UDDI / ebXML –Use of semantics provides discovery across domains and registry types through use of “common” vocabulary USE CASE EXAMPLE: –UDDI (1) contains 3 services for ordering “widgets” –No widget manufacturers can accept new orders or services not available –ebXML (1) contains services for ordering “thingamabobs” –“widgets” and “thingamabobs” are both “whatchamacallits” with hasThingy property, which allows us to use “thingamabobs” –request “thingamabob” services from ebXML(1)

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 7 POLICY MANAGEMENT POLICY MANAGEMENT Role, Attribute, and Label-Based Policy Using Ontology CONSISTENCY OF RULES VS. PROCEDURAL RULES –No rule override PROACTIVE AND REACTIVE –Determine “after the fact” that information misused SECURITY IS APPLIED AT FUSION / MEDIATION “SERVICE LAYER” –Operational security “upgrades” USE CASE EXAMPLES: –Steve Hamby requests TS information about a US citizen using valid clearance on a sunny Thursday; Steve is with CIA –Steve Hamby was given access to Information X about a US citizen on a sunny Thursday; Steve is with CIA

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 8 PROCESS MANAGEMENT PROCESS MANAGEMENT Ontology-Driven Process Management STANDARDS AND OPEN SOURCE IMPLEMENTATION –BPMN / BPMO –Sourceforge’s BPEdit for Protégé VENDOR NEUTRAL PROCESS DEFINITIONS –“Dynamic” standards space –Generate BP languages BPEL4WS, XPDL, others CONCEPT / TERM MEDIATION –Loan approval in one business may be conversational; a simple yes/no task in another SERVICE DISCOVERY

© 2005, Cerebra Inc. All rights reserved.Company Confidential - DO NOT COPY 9 SEMANTICS INCREASE AGILITY OF SOA –Ontology driven information fusion –Domain mediation –Increased Expressivity for Metadata and Service Description…enhanced Discovery –Agile Processes Questions CONCLUSION