... | ... | @@ -4,10 +4,12 @@ This page lists key concepts and terminology related to the PEP system, and prov |
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| access group | A named group of users that can be [authorized](Access-management) for specific actions. Also called a "role" in the system. |
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| blending | The combination of several data sets into a single, larger data set. |
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| [Castor](https://www.castoredc.com/electronic-data-capture-system/) | An Electronic Data Capturing (EDC) system that PEP integrates with. |
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| cell | The intersection of a column and a row, usable to store a single piece of data associated with a single participant. |
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| column | A data structuring primitive associated with a single type of data, or with a single measurement. Columns are referred to by their names. |
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| download | The retrieval of data from PEP. |
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| Data Administrator | The PEP role responsible for data structuring and management. |
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| EDC | Acronym for `Electronic Data Capturing` system: third-party software used to gather and store data, e.g. from academic research study subjects. PEP provides out-of-the-box integration with the [Castor EDC](https://www.castoredc.com/electronic-data-capture-system/). |
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| encryption | A technique to make information readable only to parties that are in possession of an associated secret. |
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| identifier | A piece of information that uniquely denotes a single piece of data. The polymorphic pseudonym (PP) is PEP's primary [identifier type for rows](https://gitlab.pep.cs.ru.nl/pep-public/user-docs/-/wikis/Pseudonymization#identifiers-in-pep). |
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| local pseudonym (LP) | A row identifier that is unique to an access group. Different access groups use different local pseudonyms to refer to the same row. |
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