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Relationship Graph Types

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Description

This interactive visualization demonstrates five common relationship types used in educational knowledge graphs and concept maps. Understanding these relationship types is essential for creating effective learning graphs that accurately represent how concepts connect to one another.

Edge Relationship Types

Prerequisites (Solid Blue Arrow)

Indicates that one concept must be learned before another. This is a directional relationship commonly used in curriculum design and learning path planning.

Example: "Learning Objectives" is a prerequisite for "Instructional Design"

Indicates that two concepts share common themes, overlap in content, or are frequently discussed together. This is a bidirectional relationship.

Example: "Learning Objectives" is related to "Bloom's Taxonomy"

Contrasts With (Solid Red Line)

Indicates that two concepts are opposites, have significant differences, or represent alternative approaches. This bidirectional relationship helps learners understand distinctions.

Example: "Summative Assessment" contrasts with "Formative Assessment"

Exemplifies (Dotted Green Arrow)

Indicates that one concept is a specific example or instance of a broader concept. This directional relationship supports hierarchical understanding.

Example: "Summative Assessment" exemplifies "Assessment"

Influences (Curved Purple Arrow)

Indicates that one concept affects, shapes, or has impact on another concept. This directional relationship shows cause-and-effect or indirect dependencies.

Example: "Bloom's Taxonomy" influences "Learning Objectives"

Interactive Features

  • Click on a legend item to highlight all edges of that relationship type
  • Click on empty space in the graph to reset the view
  • Use the navigation buttons to zoom and pan (when not embedded)

Use Cases

These relationship types are useful for:

  • Curriculum Design: Map prerequisite chains and related topics
  • Concept Mapping: Show how ideas connect and contrast
  • Knowledge Graphs: Build semantic relationships in educational ontologies
  • Learning Path Planning: Identify dependencies and learning sequences

Learning Objectives

After exploring this visualization, learners will be able to:

  1. Identify five common relationship types used in knowledge graphs
  2. Distinguish between directional and bidirectional relationships
  3. Apply appropriate relationship types when creating concept maps
  4. Analyze existing diagrams to identify relationship patterns