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From Bhavnik Gajjar <>
Subject enhancing auto complete
Date Mon, 02 Aug 2010 14:39:47 GMT

I'm looking for a solution related to auto complete feature for one 

Below is a list of texts from which auto complete results would be 

Lorem ipsum dolor sit amet
tincidunt ut laoreet
dolore eu feugiat nulla facilisis at vero eros et
te feugait nulla facilisi
Claritas est etiam processus
anteposuerit litterarum formas humanitatis
fiant sollemnes in futurum
Hieyed ddi lorem ipsum dolor
test lorem ipsume
test xyz lorem ipslili

Consider below table. First column describes user entered value and 
second column describes expected result (list of auto complete terms 
that should be populated from Solr)

	*Lorem* ipsum dolor sit amet
Hieyed ddi *lorem* ipsum dolor
test *lorem *ipsume
test xyz *lorem *ipslili
lorem ip
	*Lorem ip*sum dolor sit amet
Hieyed ddi *lorem ip*sum dolor
test *lorem ip*sume
test xyz *lorem ip*slili
lorem ipsl
	test xyz *lorem ipsl*ili

Can anyone share ideas of how this can be achieved with Solr? Already 
tried with various tokenizers and filter factories like, 
WhiteSpaceTokenizer, KeywordTokenizer, EdgeNGramFilterFactory, 
ShingleFilterFactory etc. but no luck so far..

Note that, It would be excellent if terms populated from Solr can be 
highlighted by using Highlighting or any other component/mechanism of Solr.

*Note :* Standard autocomplete (like, 
facet.field=AutoComplete&f.AutoComplete.facet.prefix=<user entered 
term>&f.AutoComplete.facet.limit=10&facet.sort&rows=0) are already 
working fine with the application. but, nowadays, looking for enhancing 
the existing auto complete stuff with the above requirement.

Any thoughts?

Thanks in advance

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