Building Search Engines. Design - Architecture and other

2) Inverted index search engine.

a. Create a DBM file as below in a file after crawling and load this has during query search to get to the result document

%dbm = (

    '-1' => 'Doc One',

    '-2' => 'Doc Two',

    'another' => '-2',

    'doc' => '-1-2',

    'document' => '-1-2',

    'here' => '-2',

    'is' => '-1-2',

    'one' => '-1',

    'this' => '-1',

    'two' => '-2'

  );