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Hadoop Large Document Collection Data Prep... (1)

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Workflow for preparing large document collections for data analysis. Different types of hadoop jobs (Hadoop-Streaming-API, Hadoop Map/Reduce, and Hive) are used for specific purposes. The *PathCreator components create text files with absolute file paths using the unix command 'find'. The workflow then uses 1) a Hadoop Streaming API component (HadoopStreamingExiftoolRead) based on a bash script for reading image metadata using Exiftool, 2) the Map/Reduce component (HadoopHocrAvBlockWidthMapR...

Created: 2012-08-17 | Last updated: 2012-08-18

Credits: Sven

ONB Web Archive Fits Characterisation usin... (2)

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Hadoop based workflow for applying FITS on the files contained in ARC web archive container files and ingest the FITS output in a MongoDB using C3PO. Dependencies: - Spacip (https://github.com/shsdev/spacip) - Tomar (https://github.com/openplanets/tomar) - C3PO (https://github.com/peshkira/c3po) Parameters: - hdfs_input_path: Path to a directory which contains textfile(s) with absolute HDFS paths to ARC files - num_files_per_invokation: Number of items to be processed per invokation - fits...

Created: 2013-12-09 | Last updated: 2013-12-10

Credits: Sven

ToMaR HDFS Input Directory Processing (2)

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This workflow allows processing an HDFS input directory using ToMaR. The "hdfs_working_dir" input port is the HDFS input directory which containes the data to be processed by ToMaR. The "toolspec" input port contains the toolspec XML describing operations that can be used (see "operation" input port). The "operation" input port defines the operation to be used in the current ToMaR job execution (see "toolspec" input port, an operation port used here must be defined in the tool specificatio...

Created: 2014-03-04 | Last updated: 2014-03-11

Credits: Sven

ARC2WARC Hadoop Job (1)

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Just a wrapper workflow for a Hadoop job converting ARC to WARC files.

Created: 2014-03-06

Credits: Sven

raw2nexus taverna 2 workflow using pt-mapr... (5)

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Created: 2013-12-12 | Last updated: 2014-06-20

Credits: Alastairduncan