Some Journals, for an example, idnetifies the following under indexing/abstracting. Science Citation Index, Science Citation Index Expanded, Cab Abstracts, Compendex, Biological & Agricultural Index Plus, BIOSIS, Current Contents/Agriculture, Biology & Environmental Sciences, Environmental Periodicals Bibliography, GEOBASE, Geographical Abstracts, Hydro-Abstracts, Hydro-Index, International Development Index, Irrigation and Drainage Abstracts, Meteorological and Geoastrophysical Abstracts, Physical Geography. Referativnyi Zhurnal, Scopus, Soils and Fertilizers, TROPAG/RURAL Database, Agricultural Engineering Abstracts, Agricultural Economics Abstracts, Agroforestry Abstracts, Field Crop Abstracts, Forestry Abstracts, Environmental Impact, Irrigation and Drainage Abstracts, ProQuest – Biological Sciences, Environment Index, Summon by Serial Solutions etc. Which indexing systems are reputed and accepted widely to consider the Journal as indexed?
Most journals cite that they are indexed in order to reflect their quality and standing. However these days indexing does not actually reflect this it is better that journal impact factor be looked at. in terms of indexing only if a journal is listed in ProQuest, GEOBASE, Scopus, web of science that is good indicator.
Depending on the problem that you have in relation to indexation and impact factors, you should consider that the impact of any publication is dependent on the discipline or speciality of interest. Hence, a journal may have a higher impact in one academic field when compared with another field; I think that this is an implicit part of the entire indexing process, with indexes better reflecting some fields (disciplinarily speaking, but also, considering the relative arbitrariness of selecting or not selecting publications), although I have not documented that.
Let me mention as an example that, in Brazil, the federal higher education & research funding agency puts a lot of emphasis and effort on the establishment of different ratings for scientific publications for the different knowledge areas it funds; the peer reviewed publications of all post graduate programs are then evaluated considering the indexing ratings that are specific to each program.
Hope this example can help.
Inorder to remove this decipline wise variation in impact factors the concept of Q1, Q2 etc is introduced which make an intercomparision within the decipline and rates the Journal. The web of knowledge has this.
I agree with what he said earlier Mr. Saif Uddin.
In general, the degree of indexation offers degree of scientific accuracy, the significance of the subject.
Check the indexing of the journal in Thomson Reuters or Scopus. Thomson Reuters rates the impact factor of journals. Within the same discipline, High impact factor is considered to be a better standard journal than low impact factor. In Scopus, within same discipline the journals are divided into four quartiles (Q1-Q4), with Q1 the best quality journals and Q4 the lower grade. Similarly, h-index is a good recommendation of journal in Scopus. Better journals have higher h-index than lower grade ones.
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