Library Fair & Forum 2011 was held at the Pacifico Yokohama Exhibition Hall from November 9 to 11.
The National Diet Library had a booth to introduce its services by demonstrations with PC and presentations and participated in the poster sessions with the themes "Current Awareness Portal", "Collaborative Reference Database" and "International standard identifier for libraries and related organizations: ISIL." On 10 and 11, a forum "Our challenge for linking up digital archives. On the base of our achievements with the retiring system 'PORTA', we go forward into the future with the new system 'NDL search'" also took place.