SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Thomson Reuters Journal Citation Reports 2015
To calculate the five year Impact Factor, citations are counted in 2014 to the previous five years and divided by the source items published in the previous five years.
© Journal Citation Reports 2015, Published by Thomson Reuters
The International Journal for Parasitology publishes the results of original research in all aspects of basic and applied parasitology, including all the fields covered by its Specialist Editors, and ranging from parasites and host-parasite relationships of intrinsic biological interest to those of social and economic importance in human and veterinary medicine and agriculture. Original research includes the development of novel and innovative concepts and ideas, as well as experimental and observational science that raises new hypotheses. Because of its breadth of discipline coverage, the aims and significance of all contributions should be made clear to readers who are not expert in the particular subject of papers. In applied parasitology, it will tend to favour contributions of broader significance to the subject rather than narrow, highly specialised applications. The principal form of publication is the full length paper which contains substantial results from a major program of research. The Journal also provides a medium for the publication of shorter, but complete, papers reporting highly significant original findings, as Succinctus articles. It also publishes Thematic Issues incorporating papers on a topical theme and commissions papers with emphasis on shorter, focussed Reviews of topical issues and strategically important subjects. The Journal encourages critical comment and debate on matters of current controversy in parasitology via "Current Opinions".
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