The impact of journals can be measured by various methods and tools including Article influence; Eigenfactor; Impact factor; Journal analyser; Journal citation reports; SJR; SNIP, and Google Scholar metrics.
In some disciplines these measures can be used to advise faculty of the best journals to publish in.
The Australian Research Council (ARC) is responsible for administering Excellence in Research for Australia (ERA), which aims to identify and promote excellence across the full spectrum of research activity in Australia’s higher education institutions.
Database providers that measure journal impact include:
Interesting work is being done to incorporate other ways that researchers use journals including clickstream data. The project below analyzed 1 billion user interactions.
"Intricate maps of science have been created from citation data to visualize the structure of scientific activity. However, most scientific publications are now accessed online. Scholarly web portals record detailed log data at a scale that exceeds the number of all existing citations combined. Such log data is recorded immediately upon publication and keeps track of the sequences of user requests (clickstreams) that are issued by a variety of users across many different domains. Given these advantages of log datasets over citation data, we investigate whether they can produce high-resolution, more current maps of science."
2009. Clickstream Data Yields High-Resolution Maps of Science. PLoS ONE 4(3): e4803. doi:10.1371/journal.pone.0004803
Potentially, any database with citations could create bibliometric measures. Each vendor that offers bibliometric measures primarily uses their own unique data, journals, authority files, indexes, and subject categories.
There is currently no overarching tool across vendors.
To find where a journal is indexed search the websites below.
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