“…Nineteen included papers (15.4%) aimed to automate or improve database searches 18,43,51,54,56,61,70,76,78,98,101,104,111,113,115,122,127,136,140 . The rst included paper from 2011 applied text-mining to construct a search syntax for PubMed, using the Apache Lucene platform 43 . Eleven papers used a plethora of text-mining tools to aid search syntax building, such as Anne O'Tate, AntConc, Apache Lucene, BiblioShiny, Carrot2, CitNetExplorer, EndNote, Keyword-Analyzer, Leximancer, Lingo3G, Lingo4G, MeSH on Demand, MetaMap, Microsoft Academic, PubReMiner, Systematic Review Accelerator, TerMine, Text Analyzer, Tm for R, VOSviewer, Voyant, Yale MeSH Analyzer as well as in-house solutions 18,43,51,54,61,63,98,115,122,136,140 .…”