Hi Claudia, you have to use an IDMigrator. The following projects shows you an example: https://github.com/ManuelB/facebook-recommender-demo
https://github.com/ManuelB/facebook-recommender-demo/blob/master/src/main/java/de/apaxo/bedcon/FacebookRecommender.java Good luck Manuel On 05.03.2012, at 09:53, Claudia Grieco wrote: > Hi guys, > > I'd like to use mahout to implement a recommender but I'm encountering a > problem: > > Ids of items and users are represented in Mahout as long integers, while my > data comes from an external database that uses strings to identify items and > users. > > Any suggestion as to how I can fix this problem? > > Thanks a lot > > Claudia > -- Manuel Blechschmidt Dortustr. 57 14467 Potsdam Mobil: 0173/6322621 Twitter: http://twitter.com/Manuel_B
