The Knowledge Graph uses entities, relationships, and attributes to describe the real world, and the important concepts associated with the Geographic Knowledge Graph module are described below.

Graph Database

In the face of more diverse Datasource, more complex data relationships and business logic, the traditional relational database can not meet the needs, such as high-performance in-depth analysis, associated queries and so on. Knowledge Graph uses Graph Database as its storage engine. For more usage information, you can focus on Configure and Connect Graph Database .

Entity Type

Entity Type defines a homogeneous collection of entities with a common set of attributes and a spatial feature type. For example, a certain kind of person, thing, geographical element, etc. List management in Graph Manager .

Type of relationship

A relationship type defines a homogeneous set of relationships that exist between two Entity Types, with a set of common attributes and a spatial feature type. The relationship type can be considered from multiple dimensions, such as attribute dimension, space dimension, time dimension, etc., for example, adjacency relationship, inclusion relationship, association relationship, affiliation relationship, etc. List management in Graph Manager .

Entity

That is to say, the node in the map, an objective thing with distinction and independent existence, is a single individual in Entity Type, similar to a record in a relational database. For example, if Entity Type is "city", then "Beijing" represents one of the entities. An entity can contain multiple attributes. The Knowledge Graph module provides capabilities such as Build , Delete , display, Custom Style , and view attributes for entities .

Attribute

An attribute is an objective property of an entity, similar to a variable. For example, the entity "Beijing" has the attributes of population, area and so on.

Relationship

The edge in the graph is used to connect two entities and describe the connection from one entity to another entity. It has directionality, and a node can be pointed to by multiple relationships or used as the starting relationship of a relationship. The Knowledge Graph module provides the ability to build relationships.

Atlas

Node-and-relation-based graphical network visualization formalism. IDesktopX will add a "Map" node in Workspace, a view juxtaposed with the map, to store the map view after your exploration.

Atlas document

Similar to the XML document of Map Template, the style information of Save Graph can be used for Share after export.

Data Lineage

The GPA execution process is written into the Graph Database, and the data map constructed can intuitively show the data calculation process and the relationship between traceable data resources. Is a key capability in data governance. Provide product support solutions in Data Management and Data Governance.