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

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 - 2007 21-22 October 2009, IT DG Development of ISIS

BACKGROUND Migration from mainframe to PC-based environment in 1993-94 Implementation of client-server architecture based on Oracle platform in 1995-96 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

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

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

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

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

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

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

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

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

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

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

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