Data Catalog

• Story Map Gallery

  District of Columbia —

  The District of Columbia shares story maps that combine impactful narratives and multimedia with data and analytics. These examples support agency programs and help...

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  • ArcGIS GeoServices REST API

• Interagency Data Team

  District of Columbia —

  A community of data analysts, or agency liaisons, who convene regularly with representation from DC government agencies of all persuasions. DC employee participants...

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• Latest Datasets

  District of Columbia —

  Datasets that are new or that have been updated, and we are highlighting because of significant changes. For example, schema changes with new or removed fields. The...

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• MAR Web Services

  District of Columbia —

  The MAR is a SOAP web service with multiple geocoding and address verification operations. This page includes information and examples for using the MAR to look up...

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• Public Safety

  District of Columbia —

  We are building a safer, stronger DC by making investments in our public safety agencies, doubling down on community policing efforts while increasing accountability.

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• Compass

  District of Columbia —

  The DC Compass is DC government’s new AI chatbot for open data. Compass provides answers related to accessing and understanding publicly available information on Open...

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• Chief Data Officer Annual Report 2018

  District of Columbia —

  The CDO annual report documents accomplishments and the Enterprise Dataset Inventory results of the previous calendar year. It assess current progress and shares the...

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• Data Policy

  District of Columbia —

  A comprehensive data policy for the District of Columbia government. The data created and managed by the District government are valuable assets and are independent of...

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• Education

  District of Columbia —

  The District's vision is for every student to feel loved, challenged, and prepared to positively influence society and thrive in life. We ensure that every school...

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• Civic Engagement

  District of Columbia —

  District agencies are using data to create civic engagement initiatives that are driven by a focused program, goal or activity designed to engage with you. Follow any...

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• Apps and Maps

  District of Columbia —

  The District of Columbia offers several custom online mapping applications. Some of these are built for DC agency specific goals and business processes while others...

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• Master Address Repository Viewer

  District of Columbia —

  The Master Address Repository (MAR) Viewer is part of the District's location services documented in Addressing in DC. It makes locating addresses or place name as...

  • HTML
  • ArcGIS GeoServices REST API

• Open Data Week

  District of Columbia —

  DC celebrates International Open Data Day with events, sessions and activities that include Open Data into them. Open Data Day, or week, is typically observed in the...

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• District of Columbia Data Policy Amendment

  District of Columbia —

  Amendment. A comprehensive data policy for the District of Columbia government. The data created and managed by the District government are valuable assets and are...

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• Enterprise Dataset Inventory

  District of Columbia —

  Data created and managed by the District are valuable assets independent of the information systems in which they reside. DC government maintains an inventory of its...

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• Apps and Maps Gallery

  District of Columbia —

  The District of Columbia offers several interactive web mapping and applications for site visitors to explore DC's geography. Explore web maps that feature the...

  • HTML
  • ArcGIS GeoServices REST API

• Compass Transparency

  District of Columbia —

  DC Compass uses new Generative AI technology integrated with Geographic Information Systems (GIS) to provide easy ways to explore data.

  • HTML

• Chief Data Officer Annual Report 2019

  District of Columbia —

  The CDO annual report documents accomplishments and the Enterprise Dataset Inventory results of the previous calendar year. It assess current progress and shares the...

  • HTML

• Addressing in DC

  District of Columbia —

  The District of Columbia government uses the Master Address Repository (MAR) to implement intelligent search functionality for finding and verifying addresses, place...

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• About

  District of Columbia —

  Learn a little background into the Open Data DC dating back to the early 2000s.

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You can also access this registry using the API (see API Docs).

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