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https://issues.apache.org/jira/browse/SOLR-1692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795914#action_12795914
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Stanislaw Osinski commented on SOLR-1692:
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I've had a quick look into this issue and have two questions to consider:
* Where should the configuration of the highlighter we use for clustering come
from? Should it be the same as for the regular Solr highlighting or should we
allow a clustering-specific configuration? My intuition is that we should go
with the former. Otherwise, we may lose the clear relationship between cluster
labels and documents on the output, because the clusters will be generated
based on a text that is different from what the user is going to see.
* What should we do if the highlighter is not able to generate a summary? One
option is to use the full contents of the field. Alternatively, we could use N
(configurable) first characters of the field. The answer to this really depends
on the characteristics of the data we may get. If the total number of documents
fed to Carrot2 doesn't exceed about a 1000, longer documents shouldn't be too
much of a problem, so I'd suggest the former option (use full field text).
> CarrotClusteringEngine produce summary does nothing
> ---------------------------------------------------
>
> Key: SOLR-1692
> URL: https://issues.apache.org/jira/browse/SOLR-1692
> Project: Solr
> Issue Type: Bug
> Components: contrib - Clustering
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Fix For: 1.5
>
>
> In the CarrotClusteringEngine, the produceSummary option does nothing, as the
> results of doing the highlighting are just ignored.
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