2. Graph Builder Services (GBS)

2.1 Data Engineering & Data Integration

The basic concept regarding Data Engineering and Data Integration in Data Context Hub is transforming incoming data, which is delivered via Data Pumps, from different sources into a common Data Context Hub Model based on Target Entities and Relationships. These components represent the Staging Layer. Based on the Model and the data present in the Staging Layer the knowledge graph can be generated via the Processing step.

2.2 Processing

As in chapter Data Engineering & Data Processing described the generation of the knowledge graph is called Processing. In this process, data is stored in the Data Context Hub Staging Layer and transformed into nodes and edges, then saved in the graph database Neo4j.

2.3 Dashboard

GBS Dashboard

2.4 Data Pumps & Containers

Data Pump Images

2.5 Target Entities

Target Entities

2.6 Relationships

Create and edit Relationships

2.7 Graph Building - Data Importer

The DataImporter is the interface where the user can define the mapping between the extracted source objects the the Target Entities.

2.8 File Storage

The File Storage allows you to store files within the Data Context Hub system, which can be accessed via a URL.

2.9 Load Plans

To populate the knowledge graph in the Data Context Hub with data we have to perform two main tasks:

2.10 Workers

GBS enables the management of Workers. The user can register Workers in this simple form by providing the required information.

2.11 Graph Access Rules

The Graph Access Rules define rules for the Graph Security Layer. Through these definitions a certain user is

2.12 Views

Views are a starting location which can be defined by the user. They can be accessed from the Data Context Hub EBS. A View

2.13 Workspaces

Workspaces assign Target Entities to users. Therefore the creator of a workspace has to assign users to a workspace and select the Target Entities that the users are allowed to see. Users that are not included into the workspace cannot see the Target Entities in the GBS. Workspaces are used to exclude unpermitted users from accessing Target Entities and can also be used to structure Target Entities in groups and only show them when a workspace is selected.