You can see the match algorithm that the Open Library is using at: http://www.kcoyle.net/temp/merge.html Much depends on the particular characteristics of your file of records. The above algorithm assumes MARC21 records. It also is designed to work with records entering a database because it depends on certain indexed values to retrieve potential matches. kc Emmanuel Di Pretoro wrote: > Hi, > > Is there anybody who is already involved in the process of cleaning a MARC > file. This means: > - fusion multiple records into one single record; > - or keep one record, and delete the others. > > Can you describe your methodology, as well as used algorithms. > > Thanks in advance. > > Regards, > > Emmanuel Di Pretoro > > > -- ----------------------------------- Karen Coyle / Digital Library Consultant [log in to unmask] http://www.kcoyle.net ph.: 510-540-7596 skype: kcoylenet fx.: 510-848-3913 mo.: 510-435-8234 ------------------------------------