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### Graph Queries

| (binary? graph )

Returns #t if graph is not a hypergraph.

| (multigraph? graph )

Returns #t if graph is of a type allowing multiple edges.

(<mbingraph*>? graph ) |
(<mubingraph*>? graph ) (<mdbingraph*>? graph ) |
(<mhypergraph*>? graph ) (<muhypergraph*>? graph ) |
(<mdhypergraph*>? graph ) (<bingraph*>? graph ) |
(<ubingraph*>? graph ) (<dbingraph*>? graph ) |
(<hypergraph*>? graph ) (<uhypergraph*>? graph ) |
(<dhypergraph*>? graph ) |

Returns #t if graph is of the appropriate type.

Figure 9.1: Vertex neighbors

Figure 9.2: Vertex neighbors, directed graphs

Figure 9.3: Finding attributes

Figure 9.4: Manipulating attributes

Next: Graph Views Up: Graphs Previous: Graph Vertex Information