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A thesaurus is composed by at least three elements: 1-a list of words (or terms), 2-the relationship amongst the words (or terms), indicated by their hierarchical relative position (e.g. parent/broader term; child/narrower term, synonym, etc.), 3-a set of rules on how to use the thesaurus.
There is a taxonomic scheme associated with data collection systems, with readily-identifiable synonyms used by different industries and organizations. [ 23 ] [ 24 ] [ 25 ] Cataloging the most commonly used and widely accepted vocabulary improves efficiencies, helps reduce variations, and improves data quality.
Various plots of the multivariate data set Iris flower data set introduced by Ronald Fisher (1936). [1]A data set (or dataset) is a collection of data.In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the data set in question.
According to a common view, data is collected and analyzed; data only becomes information suitable for making decisions once it has been analyzed in some fashion. [8] One can say that the extent to which a set of data is informative to someone depends on the extent to which it is unexpected by that person.
Wordnik has collected a corpus of billions of words which it uses to display example sentences, allowing it to provide information on a much larger set of words than a typical dictionary. Wordnik uses as many real examples as possible when defining a word.
The user, rather than the database itself, typically initiates data curation and maintains metadata. [8] According to the University of Illinois' Graduate School of Library and Information Science, "Data curation is the active and on-going management of data through its lifecycle of interest and usefulness to scholarship, science, and education; curation activities enable data discovery and ...
Partial listing of items needed to be collected; Vague description of data collection instruments instead of rigorous step-by-step instructions on administering tests; Failure to recognize exact content and strategies for training and retraining staff members responsible for data collection
A list of synonyms to data elements in other metadata registries Synonym ring; Data elements usage can be discovered by inspection of software applications or application data files through a process of manual or automated Application Discovery and Understanding. Once data elements are discovered they can be registered in a metadata registry.