A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Indicates a request for relevant open data sources. Please read "[How a good data-request question should look](https://opendata.meta.stackexchange.com/q/284/17438)" for writing a good request.
Geospatial pertains to the geographic location and characteristics of natural or constructed features and boundaries on, above, or below the Earth's surface, particularly referring to data that is geo…
For questions related to the United States of America or regions within it.
505 questions
For questions related to application programming interfaces. Use 'api-request' instead if you're looking for an API that provides specific open data.
440 questions
Healthcare, the body, medicine, medical research, pharmacology, anatomy, etc
306 questions
Questions and answers surrounding the U.S. Food and Drug Administration's OpenFDA program.
259 questions
Algorithmic learning from data. A form of Pattern Recognition.
241 questions
For questions related to data.gov, the home of the U.S. Government’s open data.
234 questions
For questions about government-related datasets. If relevant, please also specify the country in a separate tag.
196 questions
Uses of Open Data consists of ways and methods to utilize Open Data in attempts to achieve its maximum benefits
180 questions
a subfield of artificial intelligence and machine learning that involves transforming or extracting useful information from natural language data.
140 questions
For questions about data related to a physical likeness or representation of a person, animal, or thing, photographed, painted, sculptured, or otherwise made visible
137 questions
For questions related to weather and climatic data trends and anomalies, storms, wind patterns, tornadoes, and other short-term meteorological events.
136 questions
For questions related to making data available for others to use.
134 questions
Finance – addresses the ways in which individuals and organizations raise and allocate monetary resources over time, taking into account the risks entailed in their projects.
132 questions
The U.S. Census Bureau's mission "is to serve as the leading source of quality data about the nation's people and economy." Use this tag for data collected and/or published by the US Census Bureau.
130 questions
The [MIMIC-III (Medical Information Mart for Intensive Care) database](https://mimic.physionet.org/about/mimic/) contains physiologic signals, vital signs time series, and comprehensive clinical data …
128 questions
For questions about historical data.
124 questions
For questions related to research.
119 questions
the movement of people, animals and goods from one location to another.
113 questions
a project of the Wikimedia foundation related to open data
112 questions
short for the United Kingdom, which itself is short for the United Kingdom of Great Britain and Northern Ireland; also called Britain
111 questions
For questions related to human language. Use 'programming' instead for questions related to programming languages.
110 questions
a social science concerned with the factors that determine the production, distribution, and consumption of goods and services.
100 questions
Questions related to the US goverment 'College Scorecard', a tool to compare cost and value of higher education institutions.
98 questions
For open data related questions about computer programming, programming languages (such as Python, R, or Java), and application development.
96 questions
Competitive physical activity, for instance competition or tournament results, practice statistics, athletic performance and non-medical physical performance attributes, statistics or data.
92 questions
For questions about data related to schools, universities, students, teaching.
91 questions
For questions related to cities and similar municipal levels of government.
91 questions
For questions related to Europe and the European Union.
85 questions
data/information that provides data/information about other data. Metadata is essentially documentation of data.
85 questions
A comprehensive count of the population.
77 questions
For questions about data sets that include observations or predictions with a time interval.
77 questions
Quantifiable information that concerns the age, sex, cultural makeup, or other characteristics of a group or population. Can also include demographic change, the predicted quantitative makeup of a pop…
76 questions
Indicates a request for tools to create or manage open data.
74 questions
an organization involved in the trade of goods, services, or both, with consumers.
73 questions
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