protocol

`json_graph_data_protocol`

Canonical JSON graph data protocol for object-backed graph sources and sinks using atom identifiers.

Availability:

logtalk_load(json_graph(loader))

Author: Paulo Moura
Version: 1:0:0
Date: 2026-07-03

Compilation flags:

static

Dependencies:

(none)

Remarks:

(none)

Inherited public predicates:

(none)

Public predicates 

`graph/2`

Enumerates or stores graph properties for an atom graph identifier.

Compilation flags:

dynamic

Template:

graph(GraphId,Properties)

Mode and number of proofs:

graph(?atom,?list) - zero_or_more

`node/3`

Enumerates or stores node properties for atom graph and node identifiers.

Compilation flags:

dynamic

Template:

node(GraphId,NodeId,Properties)

Mode and number of proofs:

node(?atom,?atom,?list) - zero_or_more

`edge/5`

Enumerates or stores edge properties for atom graph, edge, source node, and target node identifiers.

Compilation flags:

dynamic

Template:

edge(GraphId,EdgeId,Source,Target,Properties)

Mode and number of proofs:

edge(?atom,?atom,?atom,?atom,?list) - zero_or_more

`hyperedge/4`

Enumerates or stores undirected hyperedge properties for atom graph and hyperedge identifiers and a list of atom node identifiers.

Compilation flags:

dynamic

Template:

hyperedge(GraphId,HyperedgeId,Nodes,Properties)

Mode and number of proofs:

hyperedge(?atom,?atom,?list(atom),?list) - zero_or_more

`hyperedge/5`

Enumerates or stores directed hyperedge properties for atom graph and hyperedge identifiers and lists of atom source and target node identifiers.

Compilation flags:

dynamic

Template:

hyperedge(GraphId,HyperedgeId,Sources,Targets,Properties)

Mode and number of proofs:

hyperedge(?atom,?atom,?list(atom),?list(atom),?list) - zero_or_more

Protected predicates 

(none)

Private predicates 

(none)

Operators 

(none)

json_graph_data_protocol

`json_graph_data_protocol`