Comparing and using databases and search engines: lots of things to think about…

Subject coverage, document type/s

Size, start year, selection of periodicals?

Updated…

Keywords, free or thesaurus

Easy to search, limitations, refine searches

Citation searching or not

Search history, export of references, alerts, RSS

Linking to fulltext… and so on…

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Multidisciplinary article databases at Uppsala university library

ISI Web of Science

~ 45 million records, starting1900

citation searching,

cross-searching with other databases

Scopus

~45 million records, half 1823-1996

citation searching

Also webpages and patents

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These are available on the Web of Knowledge platform, cross-search if you want

Web of Science

BIOSIS Citation Index, (life sci., biomedicine).. 18 million records, 1969- , citations, MeSH

BIOSIS Previews, (life sci., biomedicine)……… 18 million records, 1969- , CAS-no, MeSH

Zoological record, 3,5 million records, our access starting 1978

Inspec, (math, physics, computing) 12 million records, 1891-, Thesaurus

FSTA, (food sci.), ~800000 records, 1969-

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These are some databases available on Proquest platform. Cross-search if you want.

Dissertation & Theses, > 2 million rec., 1743 -

Environmental sciences and pollution management (includ. Toxline, ASFA, Aquatic…), 3,7 million records, 1967-

Toxline, 0,7 million records, 1998-

Meteorological & Geoastrophysical Abstracts, 640000 records, 1974-, Thesaurus

Entomology, …

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Article databases – Earth science, environment

Geobase and Georef

2,2 resp. 3,2 million records

Cross-searching

Thesaurus

Geobase, 1973-

Georef, 1785(USA)-, 1935 (Global)-

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Article databases - Medicine

Pubmed/Medline

medicine, nursing, dentistry…

21 million records

MeSH-terms

Pre-post>full record, continously updated

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Article/fact databases - Chemistry

Scifinder scholar (Chemical abstracts)

27 mill. rec./CA

31 mill. structures/Reg

1907-

Continously updated

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Article/fact databases - Chemistry

Reaxys

Beilstein handbook + Gmelin handbook

From 1772-

18 million substances

28 million reactions

4 million records

Updated monthly

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Article databases - Education

ERIC(CSA), ERIC(free)

1,4 million records

1966-

Education Research Complete

Ca 2.5 million records

1880-

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Missing some subjects?

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Searching wwwGoogle scholar.com /.se /.de…

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Conclusion?

• More than one can be useful

• Make use of their differences regarding search abilities, limitations etc, - choose your tool according to the need of the day

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Keeping up to date…

• Subject coverage, document type/s

• Size, starting year, selection of periodicals?

• Updated…

• Keywords, free or thesaurus

• Easy to search, limitations, refine searches

• Citation searching or not

• Search history, export of references, alerts, RSS• Linking to fulltext… and so on…

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Facts about journals:Ulrich’s international periodicals

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Impact of journalsJournal Citation Report, 1997-

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