Object

io.archivesunleashed.app

ExtractEntities

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object ExtractEntities

Performs Named Entity Recognition (NER) on a WARC or ARC file.

Named Entity Recognition applies rules formed in a Named Entity Classifier to identify locations, people or other objects from data.

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  8. def extractAndOutput(iNerClassifierFile: String, rdd: RDD[(String, String, String)], outputFile: String): RDD[(String, String, String)]

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    Saves the NER output to file from a given RDD.

    Saves the NER output to file from a given RDD.

    iNerClassifierFile

    path of classifier file

    rdd

    with values (date, url, content)

    outputFile

    path of output directory

    returns

    an rdd of tuples with classification entities extracted.

  9. def extractFromRecords(iNerClassifierFile: String, inputRecordFile: String, outputFile: String, sc: SparkContext): RDD[(String, String, String)]

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    Extracts named entities from WARC or ARC files at a given path to a given output directory.

    Extracts named entities from WARC or ARC files at a given path to a given output directory.

    iNerClassifierFile

    path to NER classifier file

    inputRecordFile

    path of ARC or WARC file from which to extract entities

    outputFile

    path of output directory

    sc

    the Apache Spark context

    returns

    an rdd with classification entities.

  10. def extractFromScrapeText(iNerClassifierFile: String, inputFile: String, outputFile: String, sc: SparkContext): RDD[(String, String, String)]

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    Extracts named entities from tuple-formatted derivatives scraped from a website.

    Extracts named entities from tuple-formatted derivatives scraped from a website.

    iNerClassifierFile

    path of classifier file

    inputFile

    path of file containing tuples (date: String, url: String, content: String) from which to extract entities

    outputFile

    path of output directory

    returns

    an rdd with classification entities.

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