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Illiteracy & Innumeracy of Google Scholar Samples May-June, 2009 Dr. Peter Jacso Professor Dept. of Information and Computer Sciences University of Hawaii.

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Presentation on theme: "Illiteracy & Innumeracy of Google Scholar Samples May-June, 2009 Dr. Peter Jacso Professor Dept. of Information and Computer Sciences University of Hawaii."— Presentation transcript:

1 Illiteracy & Innumeracy of Google Scholar Samples May-June, 2009 Dr. Peter Jacso Professor Dept. of Information and Computer Sciences University of Hawaii

2 Jacso Boolean OR to broaden the search ends up being narrowed by an order of magnitude in the hands of GS

3 Jacso Narrowing the year range increases the hit counts in GS

4 Jacso What GS can fancy for author, journal name, publication year? Street address, menu options names, part of fax numbers – you name it

5 Jacso And the true metadata in the source document

6 Absurd citation matching yielding a too good to be true citedness count for a 1-year old paper Jacso

7 The paper was seemingly cited years/ decade before it was published – according to GS Jacso

8 Ghost authors and lost authors + phantom citations – courtesy of Google Scholar Jacso

9 From Blackwells digital collection alone GS mis-identifies 58,000 authors as F. Password Jacso

10 Author names made from menu options Jacso

11 38,600 papers by extremely productive and well-cited author named TOC View Jacso

12 The real authors are robbed blind of citations Jacso

13 Except some which GS could not match up and credit to the ghost author TOC View Jacso

14 GS Jacso

15 What is publication year – page number, ZIP-code qualifier, you name it Jacso

16 GS #1 item for PY=2010 Jacso

17 GS #2 item PY=2010 Jacso


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