java - blank output on IndriRunQuery in lemur project -

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i'm using lemur nlp project, , indexed data succesffully wanna run query on index files indrirunquery command parameter file:

    <parameters>  <index>path-to-index-directory</index> <query>      <number>1</number>      <text>query sample string</text>  </query> <count>50</count></parameters>

there no error, there no answer. blank line in output

i found answer myself documents in indexing step weren't in format lemur document told documents told make training document in format:

<doc> <docno>document-id</docno> <text>dcoument-plain-text</text> </doc>

and indexed documents again by: buildindex [parameterfile] user indrirunquery.exe , worked well


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