# Siren Federate User Guide

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## Glossary

acyclic

  A graph without a cycle.

allocator

  A process that allocates resources.

application programming interface (API)

  A set of definitions that enable one piece of software to communicate with another.

authenticator

  A process that performs authentication.

backend

  Software running on a server that is not directly accessed by a user.

bitwise

  An operation that modifies the individual bits of binary numeral.

choropleth

  A map with areas shaded in proportion to a statistical variable. Also known as a regionmap.

comention

  A pair of data items occurring together.

datasource

  A connection to a database.

decrypt

  To convert encrypted data to plain text.

deserialization

  Creating an object from structured data.

formatter

  A process that performs formatting.

geohash

  An alphanumeric string that encodes a geographic location.

geopoint

  A geographic location, typically expressed in latitude and longitude.

heatmap

  A graphical data display using colors to represent individual values.

heteroscedastic

  The property of a variable whose variability is unequal across the range of values predicted by a second variable.

hostname

  A domain name that can be translated into an IP address.

iframe

  A frame used to place one HTML document inside another.

jitter

  Deviation from standard distribution.

keystore

  A repository of security certificates. See truststore.

partitioner

  A process that performs partitioning.

picosecond

  One thousandth of a nanosecond.

regionmap

  A map with areas shaded in proportion to a statistical variable. Also known as a choropleth map.

rollup

  An index of preselected fields.

templated

  The property of having a preset format.

templating

  Applying a template. See templated.

tilemap

  A geographic map overlaid with circles keyed to data specified in buckets.

truststore

  A repository of certificates issued by Certificate Authorities. See keystore.

truthy

  A value that returns `true` when treated as a Boolean value.

unescaped

  Used to describe raw values that have not been encoded to avoid ambiguity.

validator

  A process that performs validation.

A graph without a cycle.

A process that allocates resources.

A set of definitions that enable one piece of software to communicate with another.

A process that performs authentication.

Software running on a server that is not directly accessed by a user.

An operation that modifies the individual bits of binary numeral.

A map with areas shaded in proportion to a statistical variable. Also known as a regionmap.

A pair of data items occurring together.

A connection to a database.

To convert encrypted data to plain text.

Creating an object from structured data.

A process that performs formatting.

An alphanumeric string that encodes a geographic location.

A geographic location, typically expressed in latitude and longitude.

A graphical data display using colors to represent individual values.

The property of a variable whose variability is unequal across the range of values predicted by a second variable.

A domain name that can be translated into an IP address.

A frame used to place one HTML document inside another.

Deviation from standard distribution.

A repository of security certificates. See truststore.

A process that performs partitioning.

One thousandth of a nanosecond.

A map with areas shaded in proportion to a statistical variable. Also known as a choropleth map.

An index of preselected fields.

The property of having a preset format.

Applying a template. See templated.

A geographic map overlaid with circles keyed to data specified in buckets.

A repository of certificates issued by Certificate Authorities. See keystore.

A value that returns `true` when treated as a Boolean value.

Used to describe raw values that have not been encoded to avoid ambiguity.

A process that performs validation.

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