The workflow MatchboxHadoopApi.t2flow enables using of matchbox tool on Hadoop with Taverna. This workflow is based on Python scripts and Hadoop Streaming API included in"pythonwf" folder of pc-qa-matchbox project on github (https://github.com/openplanets/scape/tree/master/pc-qa-matchbox/hadoop/pythonwf).For this workflow we assume that digital collection is located on HDFS and we have a list of input files in format "hdfs:///user/training/collection/00000032.jp2" - one ro...