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How do you relevancy rank? Simple. Add up the number of occurrences of the word you’re searching in your results set. Place the citation with the greatest number of occurrences on top, followed by the citation with the next highest number of occurrences, etc. So what’s the problem? The problem is that, when attempting to relevancy rank citations, the only words you have to work with are those that appear in the citation. You lose all the abstract and full text data, as well as the indexing that content providers use to relevancy rank their content. In the following example, you see that, in two databases, most of the citations retrieved contained none of the terms searched. Example: |
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Annual Review of Biomedical Engineering ®: Results 1 to 5 of 101 |
Keyword Match? |
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| 1 | AUTOIMMUNITY AND NEUROLOGICAL DISEASE: Antibody Modulation
of Synaptic Transmission K. D. Whitney and J. O. McNamara Annu. Rev. Neurosci. 1999, Vol. 22: 175-195 |
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| 2 | ONE STEP AHEAD OF THE GAME: Viral Immunomodulatory Molecules Melanie K. Spriggs Annu. Rev. Immunol. 1996, Vol. 14: 101-130 |
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| 3 | COMPLEXITIES OF CD28/B7: CTLA-4 COSTIMULATORY PATHWAYS IN AUTOIMMUNITY
AND TRANSPLANTATION Benoît Salomon and Jeffrey A. Bluestone Annu. Rev. Immunol. 2001, Vol. 19: 225-252 |
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| 4 | PREDICTING ST. LOUIS ENCEPHALITIS VIRUS EPIDEMICS: Lessons from Recent,
and Not So Recent, Outbreaks Jonathan F. Day Annu. Rev. Entomol. 2001, Vol. 46: 111-138 |
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| 5 | CENTRAL NERVOUS SYSTEM DAMAGE, MONOCYTES AND MACROPHAGES, AND NEUROLOGICAL
DISORDERS IN AIDS Kenneth C. Williams and William F. Hickey Annu. Rev. Neurosci. 2002, Vol. 25: 537-562 |
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ScienceDirect®: Results 1 to 2 of 2
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| 1 | An organic cause of neuropsychiatric illness in adolescence, Author: S E Taylor, M E Garalda, G Tudor-Williams and N Martinez-Alier Source: The Lancet Volume: 361, Issue: 9357, Date: 15 February 2003 |
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| 2 | EEG findings in steroid-responsive encephalopathy associated with autoimmune
thyroiditis, Author: Barbara Schäuble, Pablo R. Castillo, Bradley F. Boeve and Barbara F. Westmoreland Source: Clinical Neurophysiology, Volume: 114, Issue: 1, Pages: 32-37, Date: January 2003 |
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ScienceDirect® is an Elsevier Science B.V. registered trademark. Annual Review of and other Annual Reviews products referenced herein are either registered trademarks or trademarks of Annual Reviews. All other company and product names may be trademarks of the respective companies with which they are associated.
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