id author title date pages extension mime words sentences flesch summary cache txt work_nimair2ck5b3vnwckwuiphxmkm Ulrich Herb How to assess the impact of an electronic document? And what does impact mean anyway? 2010 13 .pdf application/pdf 5155 462 50 range of impact measures, especially usage based metrics. repositories – with an emphasis on functionalities based on usage information. Scientometric perspective: Eugene Garfield devised the Journal Impact Factor (JIF) as a filter perspective were to reject usage analysis based on scientifically valid reasons this cannot MESUR is a research project which has established a large set of usage data by logging usage-based metrics as well as validity testing of other impact measures (Bollen et al. establish protocols and algorithms to standardise calculations of usage frequency on webtechnology based on open access repositories (2) create an infrastructure to collect the raw access data, process it accordingly and (3) supply the participating repositories with the usage like author-centred statistics or usage aggregation over different versions or multiple instances the usability of repositories, e.g. quality valuations, document recommendations, based 14.User-centred usage statistics working for several electronic publishing projects at Saarland University and State Library ./cache/work_nimair2ck5b3vnwckwuiphxmkm.pdf ./txt/work_nimair2ck5b3vnwckwuiphxmkm.txt