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Clowder
: The Brown Dog component responsible for extracting novel, often higher level, data from file contents (e.g. metadata, tags, signatures, and other derived products) in order to index, compare, and further analyze collections of data through a broadly accessible REST API. Clowder is a web based research data management system designed to support multiple research domains and the diverse data types utilized across those domains. In addition to data sharing and organizational functionality it contains three major extension points for the preprocessing, processing, previewing and publication of data. When new data is added to the system, whether it is via the web front-end or through the REST API, preprocessing serving as a form of autocuration is off-loaded to cloud based extraction services that analyze the data’s contents to extract appropriate data and metadata. These extractors triggered based on the type of the data analyze the contents of the data to tag it (e.g. found flood basins in images, trees in LIDAR) and/or create lightweight web-accessible previews of large files (e.g. an image pyramid) allowing users to examine and compare the contents of one or more datasets. Complimented by a number of features supporting community based social curation, this combined raw and derived metadata is presented to the user in the Clowder web interface and utilized to navigate stored collections.Anchor clowder clowder
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