Alméry Jacqueline – 2021-05-18 13:32:09
Thông tin hay, nhưng input data quan trọng nhất để tính ra tất cả các chỉ số IF, H-index, Journal Ranking là trích dẫn lại được thu thập từ nguồn Google Scholar, thứ cực kỳ dễ manipulate. Nhóm Vcgate nên tiến hành thao tác căn bản là data cleaning. https://scholarlykitchen.sspnet.org/2012/12/12/gaming-google-scholar-citations-made-simple-and-easy/
For the purposes of their experiment, the researchers created a fake researcher (Marco Alberto Pantani-Contador — a reference to two infamous cyclists, Marco Pantani and Alberto Contador, each of whom was accused of blood doping). Copying and pasting text from a website, adding a few figures and graphs and lots and lots of self-citations (774 citations to 129 papers), the researchers created six fake documents, translated them into English using Google Translate, and uploaded them to a new webpage under their university’s domain. It was a process, the authors explain, that took less than half a day’s work.
All the authors needed to do was to sit back and wait for Google Scholar to index them.
Less than a month later, the citations came back, boosting everyone’s citation profile and the profiles of several journals. After demonstrating that Google Scholar could be gamed, the researchers took down the faked documents and waited for the citations to return to their previous numbers. Unfortunately, they are still waiting. Versions of their documents are still available in Google as cached documents. This suggests that the system is both vulnerable to gaming and resistant to correction. Google Scholar is on a trajectory toward chaos.
Full data: https://files.fm/u/z9s5ndhta#/view/xk3wez59n
Shared link: https://scholarlykitchen.sspnet.org/2012/12/12/gaming-google-scholar-citations-made-simple-and-easy/
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