Photo by Internet Archive Book Images nn<span title=”Elseviers Einkaufbummel (man erwarb u.a. PLUM Analytics) kontert Clarivate Analytics durch den Kauf von publons.nn”>Elsevier’s shopping spree (including the newest acquisition PLUM Analytics) is countered by Clarivate Analytics’ purchase of publons.nnBoth companies are already competing because they keep the two most important citation and impact databases in their portfolios with