Measuring your impact
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This document provides an overview of tools and resources for finding citations and measuring research impact, including the h-index. It discusses databases like Web of Science, Google Scholar, and Publish or Perish that can be used to find citations and calculate the h-index. Journal impact factors from sources like Journal Citation Reports and SCImago are also covered. Contact information is provided for the presenter to ask additional questions.
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Measuring your impact
- 1. Rebecca Raszewski, MS, AHIP Assistant Information Services Librarian and Assistant Professor March 28, 2012
- 2. What I Will Be Covering Today Where to Find Who Has Cited You Tools For Measuring Your Impact Factor Journal Impact Factor Related Resources Worth Knowing About
- 4. Where to Find Who Cited You CINAHL (EBSCOhost) PubMed Central Web of Science Google Scholar Other Databases
- 5. CINAHL Listed after Articles Cited References Search
- 6. PubMed Central has over 2 million free full text articles Includes links to corresponding citations in PubMed and contains certain types of literature such as book reviews, which are not included in PubMed
- 8. PubMed
- 10. Google Scholar
- 11. Other Databases Scopus EMBASE Ovid PsycINFO (CSA Illumina or ProQuest) ScienceDirect SciFinder Scholar
- 13. Tools for Measuring Your Impact Factor H-index Web of Science Google Scholar Publish or Perish (POP) Scopus
- 14. What is the H-Index? An index to quantify an individual’s scientific research output. J.E. Hirsch http://www.pnas.org/content/102/46/16569
- 15. What is the H-Index Continued? h if h of [his/her] Np papers have at least h citations each, and the other (Np − h) papers have at most h citations each. an h-index of 5 would mean that an author has written at least 5 articles and 5 articles have been cited by others at least 5 or more times.
- 16. Calculating the H-Index Article # ---- Times Cited 1-----87 2-----70 3-----46 A scientist has index h if h of 5-----19 [his/her] Np papers have at least h 6-----15 citations each, and the other (Np − h) papers have at most h 7-----10 citations each 8 ---- 9 8 articles have been cited at least 8 9 ---- 8 or more times and the remaining 10--- 6 articles have been cited 8 or less 11---- 4 12---- 1
- 17. Which Databases Give You the H- Index? Web of Science Google Scholar Publish or Perish Scopus
- 18. Web of Science
- 19. Web of Science
- 20. Web of Science
- 21. Google Scholar Create your own profile Use Gmail account Export your data too Firefox Plugins http://scholarometer.indiana.edu/ Universal Gadget http://code.google.com/p/citations-gadget
- 22. Google Scholar
- 23. Publish or Perish (POP) Free software program that retrieves and analyzes academic citations Anne-Wil Harzing http://www.harzing.com/index.htm Uses Google Scholar to obtain these citations
- 24. What Publish or Perish Measures Total number of papers Hirsch's h-index and Total number of citations related parameters Average number of Egghe's g-index citations per paper E-index Average number of The contemporary h-index citations per author The age-weighted citation Average number of papers rate per author Three variations of Average number of individual h-indices citations per year An analysis of the number of authors per paper.
- 26. Publish or Perish (POP) Export data to EndNote, RefWorks, Excel, etc. http://www.harzing.com/pophelp/exporting.htm
- 27. Publish or Perish Print PDF
- 28. Scopus Indexes over 18,500 peer-reviewed journal titles in the life sciences, social sciences, health sciences and physical sciences Rush University Library owns this Can also find out who cited your publications
- 29. Free Scopus Author Look Up
- 30. Free Scopus Author Look Up
- 31. Journal Impact Factor ISI Journal Impact Factor Eigenfactor SCImago Journal & Country Rank
- 32. Journal Citation Reports the impact factor of a journal is the average number of citations to those papers that were published during the two preceding years Calculation of 2008 IF of a journal: A = the number of times articles published in 2006 and 2007 were cited by indexed journals during 2008 B = the total number of "citable items" published in 2006 and 2007. 2008 impact factor = A/B
- 33. Eigenfactor Intended to give a measure of how likely a journal is to be used, and are thought to reflect how frequently an average researcher would access content from that journal (Wikipedia) Each journal has a calculated Eigenfactor (determined by the number of articles published in a journal, with prolific journals having a high Eigenefactor Incorporates journal pricing information
- 34. SCImago portal that includes the journals and country scientific indicators developed from the information contained in the Scopus® database (Elsevier B.V.).” Over 15,000 journals from over 4,000 international publishers as well as over 1000 open access journals.
- 35. Where to Publish? E-Journal Title List Ulrich’s JANE Literature Search Search by authors or browse journals in a database
- 37. Related Resources Worth Knowing About Indigo http://indigo.lib.uic.edu:8080/dspace/ Journals@UIC http://www.uic.edu/htbin/cgiwrap/bin/ojs/index.php/
- 38. Related Resources Worth Knowing About Data Management Plans NIH Public Access Policy
- 39. Resources for Further Information Publishing and Scholarly Communications Impact Factor (IF) and Citation Analysis
- 40. H-Index Research De Groote SL. Raszewski R. "The H-index in Nursing: Comparison of Google Scholar, Scopus, and Web of Science". Presented at the Medical Library Association Annual Meeting, Minneapolis, Minnesota, May 2011. Poster Presentation
- 41. Who to Contact About H-Index, Scholarly Communications, Etc. Sandy De Groote Scholarly Communications Librarian http://researchguides.uic.edu/degroote 312-413-9494 sgroote@uic.edu
- 42. Updates Regarding my Department
- 43. Services I Provide to Faculty/Staff Instruction on how your students or staff can search databases, library resources, etc. Library 101 Perform literature searches Purchase a book for LHS Chicago Set up a course guide Using RefWorks/Endnote
- 44. Questions? Rebecca Raszewski http://researchguides.uic.edu/raszewski raszewr1@uic.edu 312-996-2759 On Vacation April 6th-24th
Editor's Notes
- OtherEbscohost databases include cited references
- Searchable citedreferences for more than 1,360 journalsOver 3,100 journals in CINAHL
- PubMed, where you can find MEDLINE, has over 21 million abstractsPubMed Central is an archive of full-text biomedical journal papers available online without a fee. Papers on PubMed Central contain links to other scientific databases such as GenBank (http://www.ncbi.nlm.nih.gov/Genbank/) and PubChem (http://pubchem.ncbi.nlm.nih.gov/). Papers collected under the Public Access Policy are archived on PubMed Central.
- Hill PD and Univ Illinois
- Other citation analysis tools do measure your impact factor but the h-index is probably the most well known
- J.E. Hirsch physicist 2005The h-index is an index that attempts to measure both the scientific productivity and the apparent scientific impact of a scientist. The index is based on the set of the scientist's most cited papers and the number of citations that they have received in other people's publications (Wikipedia) A scientist has index h if h of [his/her] Np papers have at least h citations each, and the other (Np − h) papers have at most h citations each.
- your h-index can’t be higher than one’s total number of publications
- Hill PD and Univ Illinois
- Citation Report
- Hill PD and Univ IllinoisShow them difference in Author Finder in WOS
- Google AppsThis will show all the times the articles have been cited by other documents in Google Scholar and provide GS’s calculation of your h-index. Google Scholar includes the citations from more than journal articles, so citations from reports, dissertations, and other content will be included in this calculation. It’s your choice whether you make your profile public or private in Google Scholar Citations.
- Calculates h-index and the second column has the "recent" version of this metric which is the largest number h such that h publications have at least h new citations in the last 5 years. i10-index is the number of publications with at least 10 citations. The second column has the "recent" version of this metric which is the number of publications that have received at least 10 new citations in the last 5 years. Also Export button at the bottom of the screenhttp://scholar.google.com/citations?user=qc6CJjYAAAAJ&hl=en
- Anne-Wil is Professor in International Management and Associate Dean Research at the University of Melbourne, Australia.Released in 2003For both PC and Mac
- Leo Egghe 2006 Academic has a g-index of 30 if the top 30 most cited of his/her papers combined have at least 900 citations.Theory and practice of the g-indexGives more weight to highly cited articlesGiven a set of articles ranked in decreasing order of the number of citations that they received, the g-index is the (unique) largest number such that the top g articles received (together) at least g2 citations.Publish or Perish will pick this one up.this means that an author that produces n articles is expected to have, on average, n citations for each of them, in order to have a g-index of n. In this way, it is similar to the h-index, with the difference that the number of citations per article is not explicit.E-index aims to differentiate between scientists with similar h-indices but different citation patternsContemporary h-index adds an age-related weight to each cited author giving less weight to older article. Fairer comparison for junior vs senior facultyH1 divides the standards h-index by the average number of authors in the articles that contribute to the h-index, in order to reduce the effects of co-authorshipH1norm normalizes the number of citations for each paper by dividing the number of citations by the number of authors for that paper then calculates h-1norm as the h-index of the normalized citation counts3rd one uses fractional paper counts instead of reduced citation counts to account for shared authorship of papers, then determines the multi-authored hm index based on the resulting effective rank of the papers using undiluted citation countsVery similar for authors with a small number of co-authors. Two of the three penalize authors who publish with a lot of co-authors. Always use "quotes" around the author’s name, e.g. "A Harzing".
- PoP is not case dependent, "A HARZING" gives the same result as "a harzing" The order of search terms does not matter. "A Harzing" will give the same result as "Harzing A". Use an author’s initials rather than their full given name as not all journals publish author names in full. If an author has consistently published with only one initial, you can exclude namesakes using 2nd and 3rd initials by using wildcards in the "exclude these names" field, e.g. when searching for "G Sewell", you can exclude "G* Sewell" "G** Sewell". You cannot use "*G Sewell" to exclude "WG Sewell" or "AG Sewell". You need to manually exclude these authors by listing them in the "exclude these names" field. If an author has published under two different names (e.g. maiden name and married name) use OR between search terms for a combined search. If an author has mostly published with two initials, but has incidental publications with one initial, a combined search with initials and full given name (e.g. "CT Kulik" OR "Carol Kulik") will usually capture all of their publications. Limiting year and subject areaBefore limiting the year range, always check whether an author has highly cited publications without a year listing. Do not unclick subject areas unless absolutely necessary (e.g. because the author has a very common name). Authors can have publications in more than one subject area. Some publications are unclassified and will not show up if you leave even just one subject area unticked. (De)Selecting and merging results
- Also a Kindle version $9.95 PDF is $14.95 and paperback is $26.95
- UIUC has scopusScopushas over 40 million citationsRequest to merge authorsStrength is its author identification tool
- Thomson ISI decides what the "citable" articles are, which can substantially change the IF of a journal. ISI itself estimates that of the 2,000 new journals reviewed annually, only 10% are selected, The IF can be very high if only review articles are published, which generate far more citations, The IF does not say anything about an article's impact outside of the scientific community, like the use of a product or technical method derived from a study, Famous scientific errors and "worst papers" may attract many citations, A study has shown that the best way to increase your citations is through self-citations, Editorial policies determine a journal's IF (and hence your scientific value), In most fields, there is a famous rule 80/20, meaning that 20% of the articles may account for 80% of the citations (super-cited papers), The impact factor is a popularity measure, not a prestige measure, It is applicable to science and economics but is not relevant for literature, where most citations appear in books, e.g., there is no impact factor for research articles in the Humanities. “
- Ranks journals using an algorithm, comparable to Google’s. (Morrison); also have an article influence (AI) which is similar to the impact factor where it measures the average influence of an article (Morrison)Still has inclusion bias as journals included the same as those in the Science Citation Index.
- The SCImago Journal & Country Rank is a portal that includes the journals and country scientific indicators developed from the information contained in the Scopus® database (Elsevier B.V.).” Scopus contains more than 15,000 journals from over 4,000 international publishers as well as over 1000 open access journals. the value SCImago Journal Rank, which is comparable with the IF, is a measure of the scientific prestige of scholarly sources: value of weighted citations per document. A source transfers its own 'prestige', or status, to another source through the act of citing it. A citation from a source with a relatively high SJR is worth more than a citation from a source with a lower SJR.
- Journal/Author Name EstimatorAll authors that have published one or more articles in the last 10 years that have been included in Medline, are included in Jane. Have abstracts.
- Indigo-UIC’s institutional repositoryJournals@UIC is a project of the UIC University Library to make journals available openly to the scholarly community worldwide. It also aims to assist UIC faculty and others with the management and editorial work associated with the journals they edit. First Monday
- Data Management Plans Beginning January 18, 2011, proposals submitted to NSF (National Science Foundation) must include a supplementary document of no more than two pages labeled “Data Management Plan”. This supplementary document should describe how the proposal will conform to NSF policy on the dissemination and sharing of research results.document that describes the data that will be gathered as part of a research project. It also outlines how the data will be organized and defines the life cycle of the data. Data management plans often include how the collected data will be organized, preserved, stored long term, accessed, shared, protected for ethical purposes, and when and if the value of the data will expire.Data management plans can help you: Identify the data to be preserved and maintainedIdentify how the data will be preservedDetermine what resources are needed to preserve the data long termDetermine formats to facilitate the best re-use and sharing of data Abide by federal agencies proposal requirements/Comply with sharing mandatesIncrease the impact of your research.Support open data sharingNIH Public Access PolicyEnsures that the public has access to the published results of NIH funded research. Researchers are required to submit journal articles that arise from NIH funds to the digital archive PubMed Central. The policy requires that these articles be publicly accessible in order to advance science and improve human health.
- Your rights as an author, open access, NIH public access policy
- More than one tool should be used to calculate the h-index for nursing faculty, as one tool alone cannot be relied upon to provide a thorough assessment of a researcher’s impact. If researchers are interested in a comprehensive h-index, they should aggregate the citing references located by WOS and Scopus. Because h-index rankings differ between databases, comparisons between researchers should only be done within a specified database.
- Research I mentioned, data management plans, Indigo, open access journalsContact me regarding help with searching these databases
- Carol Scherrer retiringLooking into hiring a clinical librarianRockford is hiring a visiting librarian
- Can set up an E-Rooms session, meet with you at the sites with your library liaison