| sif | create sif network  | 
| cyjs | |
| as.graph | convert the cytoscape cyjs/xgmml file to network graph model.  | 
| open.cys | open a new cytoscape session file reader  | 
| get.sessionInfo | get session information about current session file  | 
| list.networks | list of the network id inside current cytoscape session file  | 
| get.network_graph |