On Oct 29, 2004, at 4:04 AM, PROYECTA.Fernandez Garcia, Ivan wrote:
        We are using it in our Analyzer class and we have the following
questions:
                1º Why does it change 'y' to 'i' character using parser
method?.
                    Instance: study -> studi

That's what stemmers do. This allows queries for "study" and "studies" to match the same documents, for example.


                2º In our case, Lucene has searches 50 hits and is showed
the first one only.
                    If I comment new PorterStemFilter(ts) from our Analyzer
class. All 50 hits is showed. Why?

You haven't provided enough information. Please provide a simple short example that shows one document (that currently does not get found) being indexed along with the code for your analyzer, along with a sample query that should match but doesn't.


        Erik


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