Results 131 to 140 of about 461,490 (310)

Is OpenAlex suitable for research quality evaluation and which citation indicator is best?

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract This article compares (1) citation analysis with OpenAlex and Scopus, testing their citation counts, document type/coverage, and subject classifications and (2) three citation‐based indicators: raw counts, (field and year) Normalized Citation Scores (NCS), and Normalized Log‐transformed Citation Scores (NLCS).
Mike Thelwall, Xiaorui Jiang
wiley   +1 more source

What is illness? [PDF]

open access: yesBr J Gen Pract
Toon PD.
europepmc   +1 more source

New Arabic Records From Cairo on Supernovae 1181 and 1006

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The remnant of the historical supernova SN 1181 is under discussion: While the previously suggested G130.7+3.1 (3C58) appears too old (3000–5000 year), the unusual star IRAS00500+6713 with a surrounding nebula (Pa‐30) has an expansion age not inconsistent with a SN Iax explosion in ad 1181 under the assumption that neither acceleration nor ...
J. G. Fischer   +3 more
wiley   +1 more source

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