vertex

A node in the graph that can have properties and edges to other vertices.

edge

A connection between two vertices in the graph.

ontology

The valid concepts, properties, and relationships for a Visallo installation.

concept

A type defined in the ontology (e.g. person, place, or company). Uniquely identified by an IRI and assigned to every vertex in the graph.

IRI

Internationalized Resource Identifier. e.g. http://visallo.org#person or http://visallo.org#worksFor

property

A field defined in the ontology as valid for one or more concepts. Uniquely identified by an IRI and optionally set on vertices in the graph.

relationship

A connection defined in the ontology as valid from one concept to another. Uniquely identified by an IRI and stored as edges between vertices in the graph.

owl

Web Ontology Language. Standard XML file format for defining ontologies.

GPW

Acronym for graph property worker.

graph property worker

Type of Visallo plugin that responds to changes in the graph and often used for data enrichment and analytics. GPWs can respond to creation or update events on vertices, properties, or edges.

raw

The property on a vertex used to store any imported data.

visibility

The data access control applied to vertices, properties, and edges. The term 'visibility' is borrowed from Accumulo.

visibility source

The data stored on behalf of the visibility user interface component to support displaying and editing data access control settings. This data is converted by the configured org.visallo.core.security.VisibilityTranslator to the org.visallo.core.security.VisalloVisibility value used to enforce data access control.

visibility json

A JSONObject consisting of the visibility source and a list of case ids. This value is stored as metadata on all vertices, properties, and edges to support data access control.

authorization

The data access control rights granted to Visallo users to control their access to vertices, properties, and edges. The term 'authorization' is borrowed from Accumulo.

case

A named collection of vertices that can be shared for collaboration with other Visallo users. New and changed vertices, properties, and edges are only visible within a case until being published by a user with the PUBLISH privilege.

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