Ysics, Eindhoven University of Technologies, Eindhoven, The Netherlands email s.kokkelmans
Ysics, Eindhoven University of Technology, Eindhoven, The Netherlands email [email protected], S.KokkelmansIt is tough to underestimate the effect that his proposal had on the field of scientometrics.Google Scholar lists , citations for his original paper as of June th, .Some authors even divide the study field into a pre and post Hirsch period .A wealth of extensions, modifications have given that been proposed as well as new indicators happen to be created, such as the gindex .These modification and new indicators are intended to enhance the original hindex.The arrival with the Publish and Perish software program produced the calculation of those diverse indicators accessible to a much more common public.An elaborated overview around the advantages and troubles from the hindex is available .We’ll concentrate on the issue of selfcitations, which has polarized the analysis community.On the one hand, selfcitations may be viewed as a natural a part of scientific communication, although other folks condemn it as a signifies to artificially inflate bibliometric indicators.Besides this basic divide about the part an value of selfcitations, there are also practical troubles.Reliably Apigenin 7-glucoside CAS filtering selfcitations is currently only sensible in hugely consistent data sets, which include in the Internet of Science.But even ThomsonReuter had to introduce the Researcher ID to indentify one of a kind researchers, in particular if researchers have the same name.The Internet of Science could be a valuable information set for regular disciplines, like Physics, but its coverage is insufficient for study fields in which conference proceedings play a crucial role .Google Scholar (GS) gives the widest coverage of academic communication, but filtering selfcitations from its outcomes is at present not reliably doable.And possibly we even shouldn’t filter them, since they type an organic part of the citation process and selfcitations make up for as much as of all citations PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/21316380 .This could make it difficult to sharpen the hindex by excluding selfcitation because it was currently proposed .It has also been demonstrated that results from GS can potentially be manipulated by way of mock publication .Nonetheless it will be helpful to be capable to distinguish between authors that cite their prior operate to clarify the relationship together with the paper at hand and authors that strategically cite their papers even if they’re not directly relevant towards the existing paper.A single method of strategically manipulating the hindex could be the following first cite the paper(s) which have currently as numerous citations as the hindex and after that proceed downwards from there.Lets appear an instance to illustrate this strategy.Figure shows the citation profile for an example author that published papers.His papers are sorted by the citations they have received.He at the moment has an hindex of , that is visualized by the diagonal line.This means that he has a minimum of papers which have each been cited a minimum of occasions.We’ll refer for the paper which has the least citations and nevertheless contributes for the hindex because the hpaper.Within this case it can be paper quantity .If he would cite the hpaper and paper number , that each and every have at present citations, then his hindex would increase to .He would have papers that every single have no less than citations.With only investing two selfcitations, this author could inflate his hindex by a single.A much more subtle approach could be to only cite papers that presently have fewer citations than the author’s hpaper considering the fact that citing currently highly cited papers is unlikely to incr.
