WISER: Citiation searching Citation Searching Isabel Holowaty isabel.holowaty@ouls.ox.ac.uk Juliet Ralph juliet.ralph@ouls.ox.ac.uk 18 May 2009

WISER: Citiation searching Citation indexing Invented in 1961 by Eugene Garfield at the Institute for Scientific Information (ISI) Scientific abstracting/indexing services began in 19th century, recording author/title/publisher/journal for articles and indexing them Garfield added details of all references quoted in the article and indexed them too, publishing results as Science Citation Index (SCI) – originally only in printed form Allowed for many new ways of linking articles 18 May 2009

WISER: Citiation searching Many new ways? For an article you’ve read: Find the earlier articles it refers to Find later articles which quoted it Find related articles which quote some of the same references as this one So you can trace the progress of ideas backwards, sideways and, uniquely, forwards in time 18 May 2009

WISER: Citiation searching Why bother? Discover who is citing your research, or that of a colleague, or noted authority Identify sources of information that competitors are consulting for their research Assess the impact of an article 18 May 2009

WISER: Citiation searching Originally Using the paper Science Citation Index was hard work Now, the electronic version is much quicker But can be complex and confusing – important to understand what it does and doesn’t do The basic concept of linking documents which cite each other, and ranking them according to the frequency with which they do so, underpins search engines like Google 18 May 2009

WISER: Citiation searching Want to know more? Wikipedia http://en.wikipedia.org/wiki/Citation_index 18 May 2009

What is the Web of Science? WISER: Citiation searching What is the Web of Science? Indexes to the journal literature across all subjects Science Citation Index Social Science Citation Index Arts and Humanities Citation Index Conference Proceedings Web of Science (WoS) is a product offered on the platform Web of Knowledge (WoK), alongside other products including Journal Citation Reports which gives journal impact factors. Direct access available on Oxford network; outside Oxford log in using Single Sign-On 18 May 2009

WISER: Citiation searching Searching options 1. To find journal articles or book reviews (Search) 2. To find articles citing a particular work (Cited Reference Search) 18 May 2009

General search Author? Title? Subject? Article A Cited references Times cited

General search

Cited Reference search (Reverse look-up) Cited by whom & where? Work B

Cited Reference search

Features All content of a journal is indexed, not just articles Find illustrations of artistic or musical works Citation reports & analysis Author affiliation searches Alerts New articles on your subject Citation alerts

Pitfalls Foreign language titles are translated! Cited works are heavily abbreviated, inconsistently referenced and frequently wrong Check for Cited Reference Variants Remember to save results per page

Cited Reference links everywhere WISER: Citiation searching Cited Reference links everywhere Now a feature of many databases Scopus (science, medicine and social sciences) Historical Abstracts Medline, Embase, PsycInfo, BIOSIS Previews …and other life science databases on the Ovid platform Each reference to a paper shows the number of times it has been cited in that database Look for links such as “Cited by”, “Citing articles” 18 May 2009

Cited references in Google Scholar WISER: Citiation searching Cited references in Google Scholar References include ‘cited by’ data based on articles known to Google Scholar Entries ranked by number of cites Not possible to save sets or analyse Still useful for tracking research 18 May 2009

Related records Find similar articles based on shared references. Links now appear in databases such as Web of Science Databases on Ovid platform PubMed Google Scholar

Questions Web of Science tutorial www.ouls.ox.ac.uk/rsl/training/tutorials For further help contact your subject librarian – see http://www.ouls.ox.ac.uk/collections/librarians