© Karl Aberer GMD-IPSI, 1999 Data Management Problems in Ecommerce Panel statement SIGMOD 99 Karl Aberer, GMD-IPSI

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Presentation transcript:

© Karl Aberer GMD-IPSI, 1999 Data Management Problems in Ecommerce Panel statement SIGMOD 99 Karl Aberer, GMD-IPSI

© Karl Aberer GMD-IPSI, 1999 Ecommerce characterization Electronic Commerce Electronic Business Electronic Services values are exchanged  information and service quality at least two trading partners  interoperability Ecommerce requires reliable interoperability heterogeneity distribution autonomy

© Karl Aberer GMD-IPSI, 1999 Example 1: XML-based information brokering

© Karl Aberer GMD-IPSI, 1999 Problem 1 - Heterogeneity (Commercial) Information Brokering Document Security Delivery Payment Negotiation defines tradeable composed objects exchange of authentic/ protected objects payment for exchanged objects negotation on content, delivery and price Document Authenticity Delivery Payment Negotiation Document Authenticity Delivery Payment Negotiation Document Authenticity Delivery Payment Negotiation

© Karl Aberer GMD-IPSI, 1999 Example 2: EDI processing

© Karl Aberer GMD-IPSI, 1999 Problem 2 - Distribution Data Flow Management Systems DBMS query data DFMS query data DFMS query data DFMS query data DFMS query data DFMS query data very short-lived data Information Brokers Push technologies EDI processing specification caching recovery

© Karl Aberer GMD-IPSI, 1999 Example 3: CrossFlow - Insurance Scenario

© Karl Aberer GMD-IPSI, 1999 Problem 3 - Autonomy crossorganizational workflows motivation networked organizations, outsourcing of activities requires blend of coordination and market mechanisms Application Domains construction, logistics, insurances, telecoms,... problems how can qualitative and quantitive goals be achieved while unpredictable events can happen Crossorganizational Workflows Contractual Basis Service Selection(Market) and planning Service Quality (Monitoring, Control)

© Karl Aberer GMD-IPSI, 1999 Summary there are areas with methodological challenges Heterogeneity in information commerce models/systems Models/efficiency for management of data flows Integration of coordination and cooperation technology B2B is the richer source of problems !