เปรียบเทียบวิธี

	ไดเรกทอรี่วารสารเข้าถึงแบบเปิด (Directory of Open Access Journals)	SCImago Journal Rank
สาขาวิชา	บรรณมิติ	บรรณมิติ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	2003	2010
ผู้ริเริ่ม	DOAJ Community (Swedish library consortium, later expanded to international consortium)	SCImago Group (Spanish research consortium)
ประเภท	Database	Metric
แหล่งต้นตำรับ	Directory of Open Access Journals. (2024). About DOAJ. Retrieved from https://doaj.org/	González-Pereira, B., Guerrero-Bote, V. P., & Moya-Anegón, F. (2010). The SJR indicator: A new indicator of journals' scientific prestige. Scientometrics, 82(2), 391-400.
ชื่อเรียกอื่น	DOAJ, Directory of Open Access	SJR, SCImago Journal Rank, Prestige-weighted impact
ที่เกี่ยวข้อง	5	5
สรุป	The Directory of Open Access Journals (DOAJ) is a community-maintained, freely accessible directory of high-quality, peer-reviewed open-access journals and articles established in 2003. DOAJ indexes over 20,000 open-access journals across all disciplines (sciences, social sciences, humanities, arts) from diverse geographic regions. The directory serves researchers, librarians, and administrators as the authoritative curated list of legitimate open-access journals—differentiating quality open-access publications from predatory journals that lack genuine peer review. DOAJ quality seal, awarded to journals meeting stricter governance and transparency criteria, enables identification of the highest-caliber open-access publications.	SCImago Journal Rank (SJR) is a prestige-weighted metric measuring journal citation impact based on Scopus data, developed by SCImago Group (a Spanish research consortium) in 2010. Unlike raw citation counts, SJR values citations from high-prestige journals more heavily than those from lower-prestige journals, similar to Google's PageRank algorithm. This prestige weighting approach accounts for field-specific citation cultures and provides fairer cross-discipline comparisons than raw impact factor. SJR is widely used for journal ranking, quality assessment, and publication targeting, complementing traditional Impact Factor with a prestige dimension.