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  • Open data portal: Connecting data, expanding value

Open data portal: Connecting data, expanding value

August 10, 2026Viettel Software

During the digital transformation process, data is increasingly generated across various government agencies, organizations, and systems. The Open Data Portal is a centralized platform that supports government agencies and organizations in managing, publishing, sharing, and providing open data to citizens, businesses, and the community. The platform enables the organization of data into a unified catalog, manages the publication process, and offers multiple data access methods, including data files, tables, visualizations, and APIs.

Table of contents

Data Publication Workflow Management Data Search and Access Data Provision and Integration via APIs Data Monitoring, Statistics, and Feedback User Groups of the Open Data Portal Implementation Process

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The Open Data Portal enables datasets to be managed by sector, topic, data provider, and other classification groups. Each dataset is accompanied by descriptive information — metadata — that helps users identify its content, source, format, update schedule, and other relevant details. 

Standardizing metadata ensures that data from multiple organizations is structured consistently, making it easier to manage, search, and reuse. 

Data Publication Workflow Management 

The platform supports the entire process of creating, updating, approving, and publishing datasets in accordance with the management procedures of each agency or organization. 

Data providers can update datasets within their areas of responsibility, while management authorities can review, approve, and monitor publication status across the system. In addition, administration and access control features enable the management of users, roles, permissions, and activity logs. 

Data Search and Access 

Users can perform full-text searches or filter datasets by topic, provider, format, time period, and other relevant criteria. 

Data can be previewed in tables, charts, or other suitable visualization formats before being downloaded. The system supports a wide range of common formats, including CSV, Excel, JSON, XML, PDF, as well as other formats depending on implementation requirements. 

Data Provision and Integration via APIs 

In addition to file downloads, the Open Data Portal supports data access through APIs, allowing systems, applications, and developers to retrieve data in machine-readable formats. 

Through APIs, data can be integrated and reused in applications, analytics systems, and digital products and services, extending its value beyond manual searches and file downloads. 

Data Monitoring, Statistics, and Feedback 

The system provides dashboards and statistical tools for monitoring the number of datasets, data access and download volumes, frequently accessed datasets, and update status. 

Users can also request the publication of additional datasets, provide feedback on data quality, or report issues related to specific datasets. This allows data management authorities to better understand user needs and continuously improve the quality of published data. 

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User Groups of the Open Data Portal 

The Open Data Portal is designed to serve a wide range of user groups: 

  • Management authorities: Monitor the publication, updating, and use of data across the entire system. 
  • Data-providing agencies and organizations: Manage and publish datasets within their respective areas of responsibility. 
  • Citizens: Search, access, and use data for information, education, and everyday needs. 
  • Businesses: Leverage data for market research, product development, and business activities. 
  • Researchers and developers: Use datasets and APIs for analysis, research, and application development. 

Implementation Process 

The Open Data Portal is implemented through a phased approach, beginning with an assessment of existing data sources and systems, the development of a catalog of datasets eligible for publication, metadata standardization, and the definition of responsibilities for each participating organization. 

Next, data is standardized and integrated through APIs or other appropriate synchronization mechanisms. The system is then configured in terms of user interface, publication workflows, access permissions, and administrative functions before training and handover to the operating unit. 

Once the portal is operational, additional datasets can be continuously added, integrations can be expanded, and system configurations can be adjusted in response to actual usage needs. 

Through a centralized platform, the Open Data Portal enables end-to-end management of the data lifecycle — from organization and publication to search, access, integration, and reuse — gradually establishing a unified data hub that serves both management authorities and the broader user community.