MAHI Research MAHI Research DatabaseDatabase

Project Status ReportProject Status Report

August 9, 2001August 9, 2001

Project GoalsProject Goals

Improve medical database system using Improve medical database system using new technologiesnew technologies

Focus on flexible, shareable, scaleable, Focus on flexible, shareable, scaleable, domain independent architecturedomain 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 analysisdata extraction and analysis

Overcome the limitationsOvercome the limitations

Limitations of the MAHI database system?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, Add-hoc data validation and management (Scalability, Extensibility,

Flexibility)Flexibility) Inefficient data acquisition- slow and expensive query through Inefficient data acquisition- slow and expensive query through

recursive and cross referencing (Availability)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, Local representation and no standardization (Interoperability,

Exchangeability, Sharability)Exchangeability, Sharability)

Stumbling blocks: 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 systemLegacy technology makes it hard to build system

New Approaches Are NeededNew Approaches Are Needed

XML Based, Open, Standardized Infrastructure XML Based, Open, Standardized Infrastructure AvailableAvailable FlexibleFlexible ExtensibleExtensible ScaleableScaleable InteroperableInteroperable ExchangeableExchangeable IntegrableIntegrable ShareableShareable SecureSecure

Proposed Architecture

Analysis Interface

(SAS, ACC)

Business Report

Interface

Doctor/NursePatient

Researcher

T

HL7

ODB

ASCII

L

Manager

Query Interface

Validation Integration Analysis

System EngineerManagement Interface

L

T

ComponentInput sourcesUser InterfaceStakeholders

Repository

Overview of ProjectOverview of Project

Phase-1: June - August, 2001Phase-1: June - August, 2001 Data ValidationData Validation

Phase-2(a): September - December, 2001Phase-2(a): September - December, 2001 Data Repository-IData Repository-I

Phase-2(b): January - May, 2002Phase-2(b): January - May, 2002 Data Repository-IIData Repository-II

Phase-3: June - August, 2002Phase-3: June - August, 2002 Data AnalysisData Analysis

Phase-4: September- May, 2003Phase-4: September- May, 2003 System enhancement System enhancement DocumentationDocumentation

Phase-1: June - Aug, 2001 Phase-1: June - Aug, 2001 Requirements/Domain analysis (30%)Requirements/Domain analysis (30%) Learning about MAHI database systemLearning about MAHI database system Meet stakeholders Meet stakeholders Technology review and analysisTechnology review and analysis

System Architecture: an XML-based information System Architecture: an XML-based information system (20%)system (20%)Prototype development: Data validation (50%)Prototype development: Data validation (50%)Deliverables: Deliverables: Demo (planned in August)Demo (planned in August) Working demo system (data validation)Working demo system (data validation) System specification and architecture designSystem specification and architecture design

Phase-2(a): Sep - Dec, 2001Phase-2(a): Sep - Dec, 2001

System Development System Development Enhancement of the data validation component Enhancement of the data validation component

(20%)(20%) Data integration and storage (70%)Data integration and storage (70%) Supporting tool development (XML schema editor, Supporting tool development (XML schema editor,

visualization tool) (10%)visualization tool) (10%)Research: Publishing journal and conference papersResearch: Publishing journal and conference papersDeliverables: 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 designSystem specification and architecture design

Phase-2(a): DirectionsPhase-2(a): DirectionsIssues:Issues: Data integration for multiple databasesData integration for multiple databases Data exchanging between XML and databasesData exchanging between XML and databases Seamless Integration with the current MAHI systemSeamless Integration with the current MAHI system Data conversion of legacy databaseData conversion of legacy database

Technologies:Technologies: XML RepositoryXML Repository Multiple Relational Databases Multiple Relational Databases

IBM SQL Server, IBM DB-2, OracleIBM SQL Server, IBM DB-2, Oracle Data Warehouses/OLAPData Warehouses/OLAP

IBM DB-2, IBM SQL ServerIBM DB-2, IBM SQL Server

Phase-2(b): Jan - May, 2002Phase-2(b): Jan - May, 2002

System DevelopmentSystem 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, Supporting tool development (XML schema editor,

visualization tool) (10%)visualization tool) (10%)

Research: publishing journal and conference papersResearch: publishing journal and conference papersDeliverables: Deliverables: Demo (planned in May)Demo (planned in May) Working demo system (Validation + Repository)Working demo system (Validation + Repository) System design specification and implementation System design specification and implementation

documentationdocumentation

Phase-3: June - Aug, 2002Phase-3: June - Aug, 2002System Development System Development Data analysis (80%)Data analysis (80%) Integration of the data validation, repository, analysis Integration of the data validation, repository, analysis

(10%)(10%) Supporting tool development (XML schema editor, Supporting tool development (XML schema editor,

visualization tool) (10%)visualization tool) (10%)

Research: Publishing journal and conference papersResearch: Publishing journal and conference papersDeliverables: 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 documentationSystem design specification and implementation documentation TutorialTutorial

Phase-4: Sep - May, 2002/3Phase-4: Sep - May, 2002/3System Development 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, Supporting tool development (XML schema editor,

visualization tool) (50%)visualization tool) (50%)

Research: Publishing journal and conference papersResearch: Publishing journal and conference papersDeliverables: Deliverables: Demos (planned in Dec and May)Demos (planned in Dec and May) Working system and ToolsWorking system and Tools Complete system documentation and user manualComplete system documentation and user manual TutorialTutorial

SchedulingScheduling2001:2001: August: Phase-1 (data validation) demoAugust: Phase-1 (data validation) demo December: Phase-2(a) (data repository-1) demoDecember: Phase-2(a) (data repository-1) demo

2002:2002: May: Phase-2(b) (data repository-2) demoMay: Phase-2(b) (data repository-2) demo August: Phase-3 (data analysis) demoAugust: Phase-3 (data analysis) demo November: system tutorial-1November: system tutorial-1 December: Phase-4 (a) demoDecember: Phase-4 (a) demo

2003:2003: March: system tutorial-2March: system tutorial-2 May: complete system demo and system tutorial-3May: complete system demo and system tutorial-3