One could try to check some facts with this multi-dimensional matrix https://docs.google.com/spreadsheet/ccc?key=0Aus4cbInagyBdExtWDJWVDRjNDRSXzBqMWpvVDBEV0E&usp=sharing...
It would help to find similar facts shared by different actors.
One could try to check some facts with this multi-dimensional matrix https://docs.google.com/spreadsheet/ccc?key=0Aus4cbInagyBdExtWDJWVDRjNDRSXzBqMWpvVDBEV0E&usp=sharing...
It would help to find similar facts shared by different actors.