AND price(co123,P) AND quantity(co123,Q) AND.pdf

4/14/2003 by Benjamin Grosof copyrights reserved OPTIONAL SLIDES for: DAML Rules Update and Issues Slides on: SweetDeal e-contracting, Semantic Web Services (SWS), and Description Logic Programs (DLP Presentation for Rules Breakout sessions of DAML PI Meeting, Apr. 8-10, 2003, Miami, FL, USA. Benjamin Grosof* MIT Sloan School of Management bgrosof@ /~bgrosof/ Thanks to Mike Dean* and Stefan Decker for agenda suggestions. * co-leads of DAML Rules effort 4/14/2003 by Benjamin Grosof copyrights reserved SweetDeal OPTIONAL SLIDES FOLLOW 4/14/2003 by Benjamin Grosof copyrights reserved Example Contract Proposal with Exception Handling Represented using RuleML DAML+OIL, Process Descriptions buyer(co123,acme); seller(co123,plastics_etc); product(co123,plastic425); price(co123,50); quantity(co123,100); /sd.daml#Contract(co123); /sd.daml#specFor(co123,co123_process); /sd.daml#BuyWithBilateralNegotiation(co123_process); /sd.daml#result(co123,co123_res); shippingDate(co123,3); // i.e. 3 days after order placed // base payment = price * quantity payment(?R,base,?Payment) - /sd.daml#result(co123,?R) AND price(co123,?P) AND quantity(co123,?Q) AND multiply(?P,?Q,?Payment) ; Using concise text syntax (SCLP textfile format) for concise human reading 4/14/2003 by Benjamin Grosof copyrights reserved SCLP TextFile Format for (Daml)RuleML payment(?R,base,?Payment) - /sd.daml#result(co123,?R) AND price(co123,?P) AND quantity(co123,?Q) AND multiply(?P,?Q,?Payment) ; drm:imp drm:_head drm:atom drm:_oprdrm:relpayment/drm:_opr/drm:rel drm:tup drm:varR/drm:var drm:indbase/drm:ind drm:varPayment/drm:var /drm:tup/drm:atom /drm:_head drm:_body drm:andb drm:atom drm:_opr drm:rel href= “/sd.daml#result”/ /drm:_opr drm:tup drm:indco123/drm:ind drm:varCust/drm:var /drm:tup /drm:atom … /drm:andb /drm:_body /drm:imp drm = namespace for damlRuleML 4/14/2003 by Benjamin Grosof copyrights reserved Example Contract Proposal, Continued: lateDeliveryPenalty exception handler m