OCLC Online Computer Library Center OCLC Research Collection

OCLC Online Computer Library Center OCLC Research: Collection Assessment and Use Studies Lynn Silipigni Connaway Ed O’Neill Chandra Prabha Mark Bendig Anya Dyer

OCLC Researches library collections OCLC Researchers are exploring ways to mine data resources for information that is useful to library managers.

OCLC Researches library collections Data from World. Cat can provide useful support for collection decisions.

OCLC Researches library collections Current projects focus on producing information relevant to collection assessment and use.

Publication Dates of Unique Titles * in an ARL Collection *Data reported represent World. Cat holdings of a private ARL institution.

OCLC Researches library collections World. Cat records and net. Library usage logs provide rich sources of research data.

Formats of Unique Titles * in an ARL Collection *Data reported represent World. Cat holdings of a private ARL institution.

OCLC Researches library collections World. Cat data may also be useful for: – collection assessment – attracting or accounting for outside funding – identifying roles of different library types

Subject Areas of Unique Titles * in an ARL Collection 10, 131 3, 545 *Data reported represent World. Cat holdings of a private ARL institution.

OCLC Researches library collections Researchers believe they may be able to use World. Cat holdings data to estimate the audience level of individual titles.

World. Cat Audience Distribution Median Audience = 0. 850 Mean Audience = 0. 828

OCLC Researches library collections The estimated audience level of individual titles would be useful for collection development decisions, readers’ advisory, and reference services

OCLC Online Computer Library Center For more information Lynn Silipigni Connaway: connawal@oclc. org Ed O’Neill: oneill@oclc. org On the Web: http: //www. oclc. org/research/projects/mi/default. htm