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.

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Indicates a request for relevant open data sources. Please read https://opendata.meta.stackexchange.com/questions/284/how-a-good-data-request-question-should-look-like for writing a good request.
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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…
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For questions related to the United States of America or regions within it.
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For questions related to application programming interfaces. Use 'api-request' instead if you're looking for an API that provides specific open data.
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For questions related to data.gov, the home of the U.S. Government’s open data.
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Questions and answers surrounding the U.S. Food and Drug Administration's OpenFDA program.
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Algorithmic learning from data. A form of Pattern Recognition.
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For questions about government-related datasets. If relevant, please also specify the country in a separate tag.
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Healthcare, the body, medicine, medical research, pharmacology, anatomy, etc
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Uses of Open Data consists of ways and methods to utilize Open Data in attempts to achieve its maximum benefits
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For questions about health data, like data about hospitals, obstetrics, physical and mental impairments.
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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 …
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For questions related to weather and climatic data trends and anomalies, storms, wind patterns, tornadoes, and other short-term meteorological events.
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a subfield of artificial intelligence and machine learning that involves transforming or extracting useful information from natural language data.
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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.
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For questions related to making data available for others to use.
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a visual artifiact/reproduction that depicts/records visual perception of subject(s), providing a depection of it.
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Indicates a request for application programming interfaces (APIs) that provide relevant open data.
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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.
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a project of the Wikimedia foundation related to open data
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For questions about historical data.
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the movement of people, animals and goods from one location to another.
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For questions related to research.
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short for the United Kingdom, which itself is short for the United Kingdom of Great Britain and Northern Ireland; also called Britain
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For questions related to human language. Use 'programming' instead for questions related to programming languages.
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a social science concerned with the factors that determine the production, distribution, and consumption of goods and services.
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Competitive physical activity, for instance competition or tournament results, practice statistics, athletic performance and non-medical physical performance attributes, statistics or data.
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For questions related to cities and similar municipal levels of government.
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Questions related to the US goverment 'College Scorecard', a tool to compare cost and value of higher education institutions.
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For questions about data related to schools, universities, students, teaching.
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data/information that provides data/information about other data. Metadata is essentially documentation of data.
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A comprehensive count of the population.
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For questions related to Europe and the European Union.
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Indicates a request for tools to create or manage open data.
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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…
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the act of granting (or not granting) authoritative permission or license to others.