Returns the number of records that match a given query. It's best to call
this function before calling
pull_wos, so that you know how
many records you are trying to download before you attempt to do so.
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Web of Science editions to query. Possible values are listed here.
Session identifier (SID). The default setting is to get a fresh
SID each time you query the WoS, via a call to
Arguments passed along to
An object of class
query_result. This object has the number
of publications that are returned by your query (
rec_cnt), as well as
some info that
pull_wos uses when it calls
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## Not run: # Get session ID and reuse it across queries: sid <- auth("some_username", password = "some_password") query_wos("TS = (\"dog welfare\") AND PY = (1990-2007)", sid = sid) # Finds records in which Max Planck appears in the address field. query_wos("AD = Max Planck", sid = sid) # Finds records in which Max Planck appears in the same address as Mainz query_wos("AD = (Max Planck SAME Mainz)", sid = sid) ## End(Not run)
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