I took a corpus of text and put it into VosViewer to create a network for me. When I import this .net file into gephi, it works fine: I get a semantic network. Though I'm a little stuck for what attributes to select to import into cytoscape. Here is a CSV file of the network (.net import wouldn't work), and I just need to know which column to select as what.
Each column has the option of being imported as one of the following:
An option would be to export your network from Gephi in GraphML format and then load it from Cytoscape. This will allow you to forget about the gory conversion details
Just go to File>Export>Graph file
and select GraphML
under the Files of type: option