1. MAHI Research Database Project Status Report August 9, 2001

2. Project Goals Improve medical database system using new technologies Focus on flexible, shareable, scaleable, domain independent architecture Development of models for Development of models for data validation, data validation, data integration and storage, data integration and storage, data extraction and analysis data extraction and analysis

3. Overcome the limitations Limitations of the MAHI database system? Increasing data point and table (Scalability, Extensibility, Flexibility) Increasing data point and table (Scalability, Extensibility, Flexibility) Add-hoc data validation and management (Scalability, Extensibility, Flexibility) Add-hoc data validation and management (Scalability, Extensibility, Flexibility) Inefficient data acquisition- slow and expensive query through recursive and cross referencing (Availability) Inefficient data acquisition- slow and expensive query through recursive and cross referencing (Availability) Abnormal/primitive data integration (Integrability) Abnormal/primitive data integration (Integrability) No data access control (Security) No data access control (Security) Local representation and no standardization (Interoperability, Exchangeability, Sharability) Local representation and no standardization (Interoperability, Exchangeability, Sharability) Stumbling blocks: Making the old way faster is the right thing? Making the old way faster is the right thing? Legacy technology makes it hard to build system Legacy technology makes it hard to build system

4. New Approaches Are Needed XML Based, Open, Standardized Infrastructure Available Available Flexible Flexible Extensible Extensible Scaleable Scaleable Interoperable Interoperable Exchangeable Exchangeable Integrable Integrable Shareable Shareable Secure Secure

5. Proposed Architecture Analysis Interface (SAS, ACC) Business Report Interface Doctor/Nurse Patient Researcher T HL7 ODB ASCII L Manager Query Interface ValidationIntegrationAnalysis System Engineer Management Interface L T Component Input sources User Interface Stakeholders Repository

6. Overview of Project Phase-1: June - August, 2001 Data Validation Data Validation Phase-2(a): September - December, 2001 Data Repository-I Data Repository-I Phase-2(b): January - May, 2002 Data Repository-II Data Repository-II Phase-3: June - August, 2002 Data Analysis Data Analysis Phase-4: September- May, 2003 System enhancement System enhancement Documentation Documentation

7. Phase-1: June - Aug, 2001 Requirements/Domain analysis (30%) Learning about MAHI database system Learning about MAHI database system Meet stakeholders Meet stakeholders Technology review and analysis Technology review and analysis System Architecture: an XML-based information system (20%) Prototype development: Data validation (50%) Deliverables: Demo (planned in August) Demo (planned in August) Working demo system (data validation) Working demo system (data validation) System specification and architecture design System specification and architecture design

8. Phase-2(a): Sep - Dec, 2001 System Development Enhancement of the data validation component (20%) Enhancement of the data validation component (20%) Data integration and storage (70%) Data integration and storage (70%) Supporting tool development (XML schema editor, visualization tool) (10%) Supporting tool development (XML schema editor, visualization tool) (10%) Research: Publishing journal and conference papers Deliverables: Demo (planned in December) Demo (planned in December) Working demo system (Validation + Repository-1) Working demo system (Validation + Repository-1) System specification and architecture design System specification and architecture design

9. Phase-2(a): Directions Issues: Data integration for multiple databases Data integration for multiple databases Data exchanging between XML and databases Data exchanging between XML and databases Seamless Integration with the current MAHI system Seamless Integration with the current MAHI system Data conversion of legacy database Data conversion of legacy databaseTechnologies: XML Repository XML Repository Multiple Relational Databases Multiple Relational Databases IBM SQL Server, IBM DB-2, Oracle Data Warehouses/OLAP Data Warehouses/OLAP IBM DB-2, IBM SQL Server

10. Phase-2(b): Jan - May, 2002 System Development Data integration and storage (80%) Data integration and storage (80%) Integration of the data validation and repository (10%) Integration of the data validation and repository (10%) Supporting tool development (XML schema editor, visualization tool) (10%) Supporting tool development (XML schema editor, visualization tool) (10%) Research: publishing journal and conference papers Deliverables: Demo (planned in May) Demo (planned in May) Working demo system (Validation + Repository) Working demo system (Validation + Repository) System design specification and implementation documentation System design specification and implementation documentation

11. Phase-3: June - Aug, 2002 System Development Data analysis (80%) Data analysis (80%) Integration of the data validation, repository, analysis (10%) Integration of the data validation, repository, analysis (10%) Supporting tool development (XML schema editor, visualization tool) (10%) Supporting tool development (XML schema editor, visualization tool) (10%) Research: Publishing journal and conference papers Deliverables: Demo (planned in August) Demo (planned in August) Working demo system (Validation + Repository +Analysis) Working demo system (Validation + Repository +Analysis) System design specification and implementation documentation System design specification and implementation documentation Tutorial Tutorial

12. Phase-4: Sep - May, 2002/3 System Development Integration of the data validation, repository, analysis (10%) Integration of the data validation, repository, analysis (10%) Testing, system enhancement, documentation (40%) Testing, system enhancement, documentation (40%) Supporting tool development (XML schema editor, visualization tool) (50%) Supporting tool development (XML schema editor, visualization tool) (50%) Research: Publishing journal and conference papers Deliverables: Demos (planned in Dec and May) Demos (planned in Dec and May) Working system and Tools Working system and Tools Complete system documentation and user manual Complete system documentation and user manual Tutorial Tutorial

13. Scheduling 2001: August: Phase-1 (data validation) demo August: Phase-1 (data validation) demo December: Phase-2(a) (data repository-1) demo December: Phase-2(a) (data repository-1) demo2002: May: Phase-2(b) (data repository-2) demo May: Phase-2(b) (data repository-2) demo August: Phase-3 (data analysis) demo August: Phase-3 (data analysis) demo November: system tutorial-1 November: system tutorial-1 December: Phase-4 (a) demo December: Phase-4 (a) demo2003: March: system tutorial-2 March: system tutorial-2 May: complete system demo and system tutorial-3 May: complete system demo and system tutorial-3