Case study: Cambodian National Institute of Statistics

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Metadata strategy

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Current situation

Metadata Classification

National Institute of Statistics (NIS), Ministry of Planning have used metadata format in CamInfo and CensusInfo format and NADA repository located in NIS website. This database software has been developed with the cooperation of the UN system. The product has been adapted from UNICEF ChildInfo technology. The NADA is a web-based repository system on the survey data generated by the National Institute of Statistics (NIS) of Ministry of Planning in Cambodia. It was developed to preserve, systematically store and retrieve statistical data including records on their methodology, concepts and other metadata.

The NIS has also produced Cambodia Standard Industrial Classification (CSIS) 5 digits in 2012. This publication represents a major step forward in Cambodia’s effort to develop its own national CSIC, consistent with the four-digit classification from the United Nations (ISIC. Rev4).

Metadata system(s)

The metadata system developed in NIS has CamInfo, CensusInfo, and NADA repository located in NIS website. Other tools such as Redatam+SP, TRS, CPS and Map layer database also contain the metadata but these tools were used for census and CIPS data dissemination.

Costs and Benefits

The cost for building the metadata system is based on the project separately such as CamInfo supported by UNICEF, CensusInfo supported by UNFPA, NADA supported by the Accelerated Data Program (ADP) and other tools for census and CIPS data dissemination located in the Population Census and CIPS project. One of the major benefits for data users from this system is that , there is no confusion for using data by off-line and online.

Implementation strategy

As the metadata system is supported by donors there is a constraint that in the future donors may not support any more. So, NIS will have to seek the budget from Royal Government of Cambodia to maintain these activities.

IT Architecture

The IT architecture at National Institute of Statistics, Ministry of Planning has designed system separately based on project such as Socio-economic Survey, Population Census and Cambodia Inter-censal Population Survey, Economic Census and Agriculture Census etc. However, IT architecture at NIS needs to provide good quality data to data users through off-line and on-line and possibly that focus on:

Consistency, structured and well documented data warehouse(s)
Minimize duplicate data
Support process oriented production
Support efficient data collection
Support flexible dissemination.

Metadata Management Tools

The CamInfo and CensusInfo database system are the tools that contain metadata adopted from DevInfo and data users can access by internet and off-line. The NADA repository also contains the metadata that users can download document and description of metadata through NIS website (www.nis.gov.kh).

Standards and formats

The CamInfo and CensusInfo database system is followed by DevInfo template format developed with the cooperation of the UN system and NADA repository template.

Version control and revisions

The CamInfo has been updated from version 1.0 to version 4.2 and CensusInfo is also updated from version 1.0 to version 2.0 while NADA version 4.1 was created. All the metadata in the CamInfo, CensusInfo and NADA have described the methodology for census and survey including the reference time of census and survey operation period.

Outsourcing versus in-house development

All metadata systems are developed by National Institute of Statistics, Ministry of Planning and financial and technical support from development partners. Outsourcing has not been done.

Sharing software components of tools

The National Institute of Statistics, Ministry of Planning has shared the CamInfo, CensusInfo and Census tools with data users through workshop at national and sub-national levels, in English and Khmer versions for CamInfo. The data user can download information from NADA repository in NIS website (www.nis.gov.kh) in English version. The data user service center located in National Institute of Statistics, Ministry of Planning can provide the data from censuses and survey based on data users' request.

Overview of roles and responsibilities

Overview of roles and responsibilities

The National Statistical System in Cambodia is highly decentralized. The central institution in the National Statistical System is the NIS at Ministry of Planning. According to the Statistics Law, the NIS is the official national statistical institution of the Royal Government of Cambodia, with the responsibility for establishing, leading and coordinating an integrated national statistical system which covers all designated official statistics and statistical units within ministries and government institutions. In addition to the NIS, each ministry and other government institutions have a statistics unit responsible for producing statistics. Various ministries and other institutions collect and produce statistics as part of their work. The system consists of NIS and 28 line ministries, government institutions and National Bank of Cambodia, as well as all producers of designated official statistics. The statistical database has been developed by NIS through data of census and surveys conducted by NIS and consolidating the statistical data produced by line ministries in one database.

Metadata management team

There are three teams for metadata management based on the project under NIS management such as CamInfo team, CensusInfo team and NADA team.

Training and knowledge management

After releasing the new version for CesnsusInfo and CamInfo, the training for using these systems have been conducted at national and sub-national levels for government officials. The core staffs involved in this work have been trained inside and outside the country through project support.

Partnerships and cooperation

The NIS was supported by ADB since 1992 and by other donors such as Sida, UNFPA, UNDP, UNICEF and JICA. The CamInfo is still supported by UNICEF and CensusInfo by UNFPA, and from 2015, the Royal Government of Cambodia will be responsible for these activities as there may not be any support from the donors.

Other issues

The budget from government is still limited for these activities and has to be increased if no support from donors is forthcoming after 2015.

Lessons learned

The staff members who are involved in these works have received training from experts and actual practice from the beginning. However, the training is still required based on new technology update.

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