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With systematic survey,induction and analysis of altmetrics literature,the study aimed to answer the following three questions:1)What does altmetrics study?What is it alternative for?2)What is the relationship between altmetrics indicators and traditional citation-based indicators?And why?3)Are altmetrics indicators valid?Are altmetrics indicators vulnerable and easy to manipulate
With systematic survey, induction and analysis of altmetrics literature, the study aimed to answer the following three questions: 1) What does altmetrics study? What is it alternative for? 2) What is the relationship between altmetrics indicators and traditional citation-based indicators? Are altmetrics indicators vulnerable and easy to manipulate