There are several tools available for citation analysis, some are subscription-based and others are free. Each tool has its strengths and weaknesses and none of them covers the entire universe of scholarly publications. Therefore, it is important to use more than one tool to get a fuller picture of the scholarly impact of an author or a journal. Below is a table highlighting the characteristics of two major citation analysis tools:
Subject Focus | Science, Technology, Medical, Social Sciences, Arts & Humanities |
Components |
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Coverage | 22,000+ journals |
Time Span |
66 millions records, of which:
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Updating | 1-2 times a week |
Strengths |
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Weaknesses | Citation tracking is limited to the relatively narrow time span of 1996+ |
Subject Focus | Medical, Scientific, Technical, Business, Social Sciences, Arts & Humanities |
Components |
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Coverage | Unknown |
Time Span | Theoretically, whatever is available on the Web |
Updating | Monthly on average |
Strengths |
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Weaknesses |
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