Voyager Field Weighting for Relevance Ranking in I-Share Library Catalogs

(Adopted from field weighting developed at the University of Pennsylvania; Approved by the ILCSO Voyager Implementation Steering Committee. Revised by the ILCSO Users Advisory Committee OPAC Customization Task Force, based on suggestions from the IUAG Database Reindexing Task Force, March 25, 2003.)

Fields not listed receive the default weight of 100 points.

Field/Subfield	Weight
020a	20
020b	20
020c	20
020z	20
100a	200
100q	200
110a	200
110b	200
111a	200
111c	140
111e	200
111q	200
245a	300
245b	300
260a	20
260b	20
261f	20
262a	20
440a	200
505a	200
505t	200
510a	20
521a	20
536a	20
555a	20
555d	20
567a	20
570a	200
581a	20
600a	500
600p	200
600q	500
600t	200
610a	500
610b	500
610p	200
610t	200
611a	500
611c	200
611e	500
611q	500
630a	500
630p	200
630t	200
650a	500
650b	500
650z	500
651a	500
651b	500
651z	500
653a	200
700a	200
700q	200
700t	200
710a	200
710b	200
711a	200
711c	140
711e	200
711q	200
830a	200
856u	200