Dynamic de-duplication of bibliographic data for user services
Los
Alamos National Laboratory, Research Library
DLF
Forum, October 26 2004, Baltimore, MD
LANL De-duplication Problem
•LANL
Research Library locally hosts a large data collection
–A&I databases: ISI Citation Databases, Inspec,
BIOSIS, Engineering Index, …
–Full-text
collections: Elsevier, Wiley, APS, IOP, …
•Duplicates
in LANL data collection:
– amongst bibliographic records
– between bibliographic records and
citations
– amongst citations
•De-duplication
need:
–join
records from several databases that describe the same work
–find
works that cite a given work
