The graph shows the changes in the impact factor of Portal and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
How Influential is Portal?
Portal is the 17th out of 97 Library Science journals. This means the journal is among the top 18% in the discipline of Library Science. This Journal is the 4913rd out of 18,687 Social Sciences journals.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
