Dear. Lucene users.
Hi.
I have tried to index and search MEDLINE abstracts by LUCENE.
And there were some problems in the search results.
That is Lucene has assigned different ranks for the exactly same
documents.
I didn't know the input documents for the index contain duplicate
documents at the first time.
I have solve the problem by making all input documents UNIQUE for the
index.
But I want to know how and why the situation was happened.
The duplicate document is as follows:
_pubmed_id=13029105:1952Nov15
_ArticleTitle_
<s n="1">Experimental diabetes and clinical diabetes.</s>
_pubmed_id_end_
There are TWO exactly same documents in "index".
And their rankings by Lucene are 3 and 18.
I have known texts in XML/HTML data should be extracted before indexing.
Anyway, I haven't done this work now.
Please let me know the reason why the same documents were shown
different ranks.
Best,
K
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