Methodology Used,
First published in 2004
Since 2006, two editions (January and July)
World coverage
Higher education Institutions (mostly universities): +13,000 (Jul07)
R&D related institutions (mostly research centers): +4,500 (Jul07)
Web indicators
Only institutions with an independent web domain
univname.edu not hosting.edu/univname (except Helsinki University)
Data from search engines (web visibility intermediaries)
Indicators used in the calculation of the combined indicator WR
10
METHODOLOGY
Normalization
log (na+1) N: search engine (Google, Yahoo, Live, Exalead)
Na= ----------------------------- a: web domain
log (max(ni)+1)
Median method (Size)
Sa= ½ * ((Ga + Ya + La +Ea) max (Ga,Ya,La,Ea) - min (Ga,Ya,La,Ea))
Rich files
Ra= PDFa + DOCa + PPTa + Psa
Ranking
Sa -> Ra(S)
Ra -> Ra(R) Va -> Ra(V) 1:1 WR= (4*V) + (2*S+1*R+1*Sc)
Sca -> Ra(Sc)
Source:
http://www.arwu.org/IREG-3/PPT/4 No PPT Isidro Aguillo (table)/webometrics_aguillo.ppt
More info at:
http://www.webometrics.info/methodology.html
Well kwanza University of Dar es Salaam inabidi washukukuru kuwa kwenye hiyo position kwa sababu kwanza website yao haivutii kabisa, hakuna information za kutosha, many dead links, very old information etc...kwa hiyo kinachowainua labda ni umaarufu wa jina walilojenga miaka hiyo ya zamani na kuwa na links na many other universities worldwide.
Kingine ni kuwa inaonekana kila mwaka namba inazidi kushuka, nakumbuka first time hizi information zinatolewa ilikuwa namba 13 katika Afrika.....nyuma ya Universities za South Africa na moja ya Egypt.