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In-Components

Find all nodes that can reach a target

In-components identifies all nodes that have paths TO a specific target node (who can reach the target).

What It Computes

Given a target node, returns the set of all nodes that can reach it (following edge direction).

When to Use It

  • Access analysis: "Who can access this resource?"
  • Dependency mapping: "What depends on this service?"
  • Impact tracing: "If I change this, what's affected?"

Parameters

ParameterTypeDescription
targetnode/strTarget node to analyze

Performance

Time: O(V + E) per query
Scales to: 10M+ edges

Example

Use Cases

Access Control Audit

Which users/services can access sensitive resources?

Dependency Analysis

What services depend on this database?

Vulnerability Impact

If this node is compromised, what else is at risk?

In-Component vs Out-Component

In-component: Nodes that can reach TARGET (upstream)
Out-component: Nodes reachable FROM source (downstream)

Example:

  • In-component(Target): {A, B, C}
  • Out-component(B): {Target, D}

See Also