Providing Document Delivery Services Using Electronic Journals

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Providing Document Delivery

Services Using Electronic

Journals

Yaşar

Yaşar TontaTonta & Yurdagül Ünal& Yurdagül Ünal Hacettepe University

Department of Information Management Ankara, Turkey

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Electronic document delivery (EDD)

Review of TANIC EDD transactions

Distribution of most heavily requested

journal titles

Literature obsolescence

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Electronic Document Delivery

✦ Delivery of printed / electronic documents by

electronic means

✦ Publishers are reluctant to grant libraries to use

e-journals for ILL and EDD purposes

✦ BL agreement with Elsevier Science & Adobe

✦ Tremendous increase in the number of articles

downloaded from e-journals

✦ Users of ANKOS libraries downloaded more than

2M articles in 2002 (1.1M in 2001)

✦ TANIC fulfilled 37% of all of its in-house article

requests through its e-journal collection (Jan.-May 2003)

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EDD Using E-Journals

TANIC Document Delivery Unit

DDU received more than 200.000

document delivery requests

between June 2000-May 2003

Satisfaction rate: 70%.

14.447 requests fulfilled through

e-journals

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# of requests by months (Jan. 2001-May-2003) 0 200 400 600 800 1000 1200 1400 1/01 4/01 7/01 _10/ 01 1/02 4/02 7/02 _10/ 02 1/03 4/03

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Number of requests by sectors (N=14.447) 68 9 ₅ 18 0 10 20 30 40 50 60 70 80

Academic Private Public Unknown

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0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 Cumulative # of periodical titles

Cu mu lat ive % of th e num be r of re ques ts N % N % 102 5 4776 33 273 15 4783 33 1481 80 4888 34 1856 100 14.447 100

Journal titles Requests

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Top 10 Journals

Title % or all requests satisfied

EUROPEAN RADIOLOGY 0,9

THERIOGENOLOGY 0,7

INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY 0,7

SURGICAL ENDOSCOPY 0,7

LANCET 0,6

AMERICAN JOURNAL OF GASTROENTEROLOGY 0,6

OSTEOPOROSIS INTERNATIONAL 0,6

WORLD JOURNAL OF SURGERY 0,5

GYNECOLOGIC ONCOLOGY 0,5

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% of fulfilled requests from e-journals by year 2 24 19 11 20 12 4 ₃ ₄ 1 0 5 10 15 20 25 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994-1969 %

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0 10 20 30 40 50 60 70 80 90 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 %

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Implications for Collection

Management

Cheaper to use e-journals for EDD purposes

E-journal collection should be checked first

Identification of core journals list

Core journal lists are fairly consistent

Literature obsolescence

Overlap between different journal packages

Unmediated document delivery

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