Supplementary materials for the article:
How do you choose your literature search tool(s)?
(First version of title in nature precedings:
A comparative analysis of 21 literature search engines)

Acharya KK (Corresponding author: kshitish@ibab.ac.in ), Greta K and Haritha
IBAB, G-05, TechPark Mall, ITPB, Bengalooru (Bangalore) – 560 066, Karnataka, India

1. Supplementary notes 1 (methods details: sets of query terms used in different exercises, scoring system employed for comparing the citation retrieval efficiencies and the expertise of researchers involved in manual assessments)
   
   
2. Supplementary notes 2 (more information on the search engines)
   
   
3. Supplementary notes 3 (a second round of comparative searches: methods and results)
   
   
4. Supplementary table 1: Scoring method used for assessing the quality of the query system
   
   
5. Supplementary table 2: Scoring method used for assessing the extent of coverage (resources)
   
   
6. Supplementary table 3: Scoring method used for assessing the quality of the output
   
   
7. Supplementary table 4: Scoring method used for assessing miscellaneous features
   
   
8. Supplementary table 5: Results of comparision of  precision efficiencies
   
   
9. Supplementary table 6: Results of comparing recall efficiencies
   
   
10. Supplementary table 7: Results of comparing the quality of query system
    
    
11. Supplementary table 8: Results of comparing the  output quality
    
    
12. Supplementary table 9: Results of comparing the coverage
    
    
13. Supplementary table 10: Results of comparing the miscellaneous features
    
    

    For citing:
    Acharya Kshitish, Kasliwal Greta, and Haridas Haritha. How do you choose your literature search tool(s)?  Available from Nature Precedings <http://hdl.handle.net/10101/npre.2008.2101.2> (2008)

    Link to the paper: http://precedings.nature.com/documents/2101/version/2

    Suggestions, comments most welcome!   -  kshitish@ibab.ac.in