The Tail Wagging the Dog? Yaşar Tonta & Yurdagül Ünal The Impact of Removing Infrequently Used Journal Titles on the Stability of the Consortial Core Journals List Yaşar Tonta & Yurdagül Ünal Department of Information Management Hacettepe University Ankara, Turkey {tonta, yurdagul}@hacettepe.edu.tr International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Outline Background Research setting and data sources Research questions Method Findings Conclusion International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Background Consortial licensing models “Orderly retreat” MESUR studies FTE-based Usage-based Others “Orderly retreat” MESUR studies

Research Setting and Data Sources 115 Turkish universities, 2.5M students, 80K faculty The Consortium of Anatolian University Libraries (ANKOS) (www.ankos.gen.tr ) The National Academic License of Electronic Resources (EKUAL) More than 27M articles downloaded from ScienceDirect (2001-2007), SpringerLink (2004-2007) and Wiley InterScience (2003-2006) e-journal databases by ANKOS members were analyzed International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Research Questions Does incrementally removing the infrequently used journal titles from the tail jeopardize the stability of the core journals list of a consortium of academic libraries? How does this affect the consortium members’ core journal lists? Would consortium members be disenfranchised by removing rarely used titles from the tail? International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Method Distributions of downloads to journal titles for ScienceDirect, Springer Link and Wiley Interscience e-journal packages using Bradford curves Core journal lists identified for ANKOS consortium and ANKOS member libraries 5%, 10%, 20% and 30% of journal titles removed from the tails Checked to see if ANKOS core journal lists as well as those of member libraries were disenfranchised International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Findings International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Full-text article downloads from e-journal databases International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Full-text downloads from ScienceDirect e-journals (2001-2007) ANKOS 9. Yıllık Toplantısı, 24-26 Nisan 2009, İnönü Üniversitesi, Malatya International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Bradford curves for use of ScienceDirect journals International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Yearly distributions of ScienceDirect journal titles by region International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Common core ScienceDirect journals

Removing 30% from the tail of ScienceDirect journal titles makes almost no effect on heavily or intermediately used titles When 20% of the journal titles from the tail of the SD journal lists were removed, only 1 core journal title was affected by this. When 30% of the journal titles from the tail of the SD journal lists were removed, only 2 journal title was affected by this. When 30% of the journal titles from the tail of the SD journal lists were removed, only 8 journal titles were affected by this.

Top 30 ScienceDirect core journals Food Chemistry European J. of Operational Research Lancet, The J. of Materials Processing Technology Journal of Food Engineering Tetrahedron Letters Journal of Chromatography A J.of the Americ.Coll. of Cardiology Clinical Biochemistry Analytica Chimica Acta Water Research Cement & Concrete Research Materials Science & Engineering A Applied Math. & Computation Tetrahedron Polymer Biomaterials Surface & Coatings Technology Fertility & Sterility Bioresource Technology Annals of Thoracic Surgery, The American J. of Cardiology, The Journal of Hazardous Materials Chemosphere Energy Conversion & Management Aquaculture Urology International Journal of Production Economics Thin Solid Films Brain Research

Bradford curves for use of Springer Link and Wiley Interscience journals International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Yearly distributions of SpringerLink and Wiley InterScience journal titles by region International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Removing 30% from the tail of Springer Link journal titles makes almost no effect on heavily or intermediately used titles When 5%-30% of the journal titles from the tail of the SpringerLink journal lists were removed, only 1 core journal title was affected by this. When 30% of the journal titles from the tail of the SpringerLink journal lists were removed, only 6 journal titles were affected by this. International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Top 39 Springer Link core journals Journal of Intelligent Manufacturing European Radiology Pediatric Nephrology World Journal of Surgery Pediatric Surgery International Pediatric Radiology Intensive Care Medicine Environmental Geology Journal of Neurology Aesthetic Plastic Surgery European Food Research & Technology European Journal of Pediatrics Surgical Endoscopy Clinical Rheumatology Rheumatology International The International Journal of Advanced Manufacturing Technology European Journal of Nuclear Medicine & Molecular Imaging Theoretical & Applied Genetics Abdominal Imaging Osteoporosis International Applied Microbiology & Biotechnology Diseases of the Colon & Rectum Acta Neurochirurgica Journal of Materials Science Surgery Today Neuroradiology Journal of Medical Systems Annals of Biomedical Engineering Child's Nervous System European Spine Journal Diabetologia Pediatric Cardiology Analytical & Bioanalytical Chemistry Skeletal Radiology Hydrobiologia Annals of Hematology European Archives of Oto-Rhino-Laryngology Digestive Diseases & Sciences European Journal of Clinical Microbiology & Infectious Diseases International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Consortial use of Springer Link and Wiley Interscience journal packages On the average, 40% of the 1,779 Springer Link journal titles were used for downloads by 77 ANKOS members (SD=23%, Median=45%, Min.=1%, Max.=79%) On the average, 74% of the 470 Wiley Interscience journal titles were used for downloads by 48 ANKOS members (SD=16%, Median=77%, Min.=15%, Max.=95%) International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

8 SL journals affected by removal of tail 8 Springer Link journals dropped from the list were heavily used (red cells) by only a few libraries (ie, in the first region). They were rarely used by the great majority of libraries (pink cells). 8 Springer Link journals dropped from the list were heavily used by only a few libraries (ie, in the first region). International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Ranks of 8 SL journals in each university when 30% of journal titles removed from the consortial journal list 100% line, 1,593 journals 67% line, 147 journals 33% line, 39 journals International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Removing 30% from the tail of Wiley Interscience journal titles makes almost no effect on heavily or intermediately used titles When 30% of the journal titles from the tail of the Wiley Interscience journal lists were removed, no journal title was affected by this. When 30% of the journal titles from the tail of the Wiley Interscience journal lists were removed, only 1 journal title was affected by this. International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Top 21 Wiley Interscience core journals Journal of Applied Polymer Science Cancer American Journal of Medical Genetics Journal of Polymer Science Hepatology Arthritis & Rheumatism Journal of the Science of Food & Agriculture Journal of Research in Science Teaching Ultrasound in Obstetrics & Gynecology Muscle & Nerve Science Education Journal of Biomedical Materials Research Earthquake Engineering & Structural Dynamics Prenatal Diagnosis Angewandte Chemie - International Edition Biotechnology & Bioengineering Pediatric Blood & Cancer British Journal of Surgery Strategic Management Journal International Journal of Energy Research Microwave & Optical Technology Letters International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Macromolecular Symposia Macromolecular Symposia was heavily used (red cells) by only two libraries (ie, in the first region). It was rarely used by the great majority of libraries (pink cells). International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Ranks of Macromolecular Symposia in each university when 30% of journal titles removed from the consortial journal list 100% line, 385 journals 67% line, 64 journals 33% line, 21 journals The journal Macromolecular Symposia was heavily used for download by only two universities (i.e., ranked in the first region, namely, 14th and 17th). It was intermediately used by 6 libraries (ie, in the second region). The rest (40) rarely used that journal title for downloads (i.e., in the third region). International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

Conclusion Removing 30% of journal titles from the tail makes almost no effect on consortial core journal list of ANKOS Individual ANKOS members can function perfectly well without those titles Download requests to a small number of disenfranchised journal titles can be satisfied by other means (i.e., pay-per-view) Consortial licensing models should take this into account International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France

The Tail Wagging the Dog? Yaşar Tonta & Yurdagül Ünal The Impact of Removing Infrequently Used Journal Titles on the Stability of the Consortial Core Journals List Yaşar Tonta & Yurdagül Ünal Department of Information Management Hacettepe University Ankara, Turkey {tonta, yurdagul}@hacettepe.edu.tr International Symposium on Academic Online Resources: Assessment and Use, 26-27 November 2009, Lille, France 27