I am using Greenstone for an information retrieval experiment. After
Greenstone documentation and the following message, it is still not
clear to me
how the ranking works in Greenstone (I am using version 2.70),
MGPP search engine.
My collection is built upon MGPP. If I search the system using
search and choose the option "Search and display results in ranked
does the system work?
Is it a Boolean-based search with ranked output? Or, is it a ranked
the "Some" option search in simple form search? If either one
involves the ranking
of search results, could I get more detailed descriptions in
technical reports or
Rutgers - The State University
School of Communication,
Information and Library Studies
4 Huntington St.
New Brunswick, NJ 08901
Michael Dewsnip mdewsnip at cs.waikato.ac.nz
Fri Sep 26 11:39:51 NZST 2003
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Thanks very much for your answer.
In regards to the ordering of the search results, it depends on
boolean or ranked query is being performed. For a ranked query the
results are ordered according to how closely they match the query (as
would expect). For a boolean query, a document either matches or
there is no scope for ordering. Therefore, the documents are simply
based on the order they were indexed by MG/MGPP, as you guessed.