1. DEVELOPMENT OF INTEGRATED STATISTICAL INFORMATION SYSTEM AT STATISTICS LITHUANIA
Vygandas
Norkus
Deputy Director General
21-22 October 2009, IT DG
Development of ISIS

2. INTRODUCTION Foundation of Statistics Lithuania – 18 April 1990
Central statistical office (347 employees) & 5 regional statistical offices (244 employees incl. Interviewers)
Reform of IT organization (2005): Centralized IT + multisourcing model
IT staff: 24 in Central office (System maintenance & Helpdesk, New developments) + 5 in regional offices (on-site consultations)
Quality Management System awarded with a certification on the conformity with the requirements of the ISO 9001:2000 standard
21-22 October 2009, IT DG
Development of ISIS

3. BACKGROUND Migration from mainframe to PC-based environment in 1993-94
Implementation of client-server architecture based on Oracle platform in
Custom developed applications for individual (or few closely related) statistical surveys
Stand-alone custom applications based on standard statistical data processing software packages
“Metadata islands”, integration with centralized & external DB
21-22 October 2009, IT DG
Development of ISIS

4. STANDARDIZATION PROJECTS
Centralized / Common Databases:
Statistical Classifications DB – 1999
Statistical Business Register – 2001
Horizontal projects:
Electronic data reporting system for enterprises – 2002
Statistical Dissemination system (PC-Axis, StatBank, relational DB, metadata) – 2004
Reform of Regional offices (process-oriented activities) – 2004
21-22 October 2009, IT DG
Development of ISIS

5. Data Management and Processing:
PROJECT SCOPE
Data Management and Processing:
Survey Preparation (incl. Sampling)
Respondent/Response Management
Data Entry/Editing (incl. automated)
Tabulation/Aggregation (incl. weighting)
Data
Capture
Dissemi-
nation
Registers / Administrative Data
Electronic Archive
Dissemination DB
21-22 October 2009, IT DG
Development of ISIS

6. MAIN ISIS COMPONENTS
Core Metadata Repository for Storage of unified metainformation of all Statistical surveys (variables, code lists, editing and tabulation rules, etc.)
Software for Metadata management
Uniform Software for Data manipulation using metadata (Survey management and operation)
Interfaces to basic Registers and Dissemination DB
Electronic archive
Data quality management means
21-22 October 2009, IT DG
Development of ISIS

7. ISIS METADATA
21-22 October 2009, IT DG
Development of ISIS

8. SYSTEM FUNCTIONALITY – EXAMPLE 1
21-22 October 2009, IT DG
Development of ISIS

9. SYSTEM FUNCTIONALITY – EXAMPLE 2
21-22 October 2009, IT DG
Development of ISIS

10. MAIN ISIS DATABASES
21-22 October 2009, IT DG
Development of ISIS

11. CONCEPTUAL SYSTEM ARCHITECTURE
21-22 October 2009, IT DG
Development of ISIS

12. PROJECT TIMETABLE
2004
2005
2006
2007
2008
2009 I II
Initiation (pre-feasibilty study) X
Preparation of Feasibility study & ToR
Development – Stage I (Integrated DW & Apps)
Development – Stage II (Electronic Archive)
UAT
Purchase & Installation of Supplies
*) 8 contracts with 5 different Suppliers/Service providers
21-22 October 2009, IT DG
Development of ISIS

13. LESSONS LEARNED
External technical supervision of the project – significant support
Incremental vs. Waterfall development method
The staff involved in the development & implementation work must be aware of the big picture
Estimation of time required for acceptance testing
Contractors having several projects requiring similar skills shift their key people from one project to another based on the priority among the projects
21-22 October 2009, IT DG
Development of ISIS

14. Thank you for attention !
21-22 October 2009, IT DG
Development of ISIS