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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0; padding-top: 10px"> <span class="diffaddedchars" style="background-color:#ddfade;">Accidentally hit the "add" rather than "preview" earlier.<br /><br /></span> <span class="diffcontext">bq. SnowballAnalyzer will be removed in future version of Lucene.<br />I did not know that.<br /></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br /></span> <span class="diffcontext">bq. We should move to language specific analyzer (that are available) since they are more accurate.<br /></span> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">bq</span> <span class="diffaddedchars" style="background-color:#ddfade;">Absolutely</span> <span class="diffcontext">.</span> <span class="diffaddedchars" style="background-color:#ddfade;"><br /><br />{quote}<br /></span> <span class="diffcontext"> We should update them, soon than later.<br />Question: When will be good time to update analyzers and give a new index version?<br /></span> <span class="diffaddedchars" style="background-color:#ddfade;">{quote}<br />As soon as possible. I started but found it was not trivial. Seems that there was a major architectural change after the version that we are currently using.<br /><br />I think it will take a multi-step approach to getting to a higher version. The Lucene devs will add deprecations for one release and then yank them in a fairly soon follow-on release. Typically one following the other. This is really helpful in keeping up with the latest changes. But if we want to go several Lucene versions forward it is more like starting from scratch.<br /><br />One of the really nice changes is that the StandardAnalyzer follows Unicode's TR-29 for detecting words. (I think this was 3.6) Currently we are using SimpleAnalyzer, because the StandardAnalyzer did way too much, was relatively slow, threw away stop words (many of which have theological significance), and was only appropriate for latin derivative languages. With the change to TR-29, it is more appropriate for any language that does not have its own analyzer.<br /><br />This next release is targeted to Java 5, but after that I'd be fine with Java 7.<br /><br />Let's do it on a branch.<br /><br />We may need to improve the mechanism to detect that an index is invalid. I've had the bad surprise of inaccurate search results as Bible Desktop doesn't query the index version. I think having it as part of the IndexStatus would be good. Also, the Lucene folks have added the ability to add and retrieve arbitrary information to an index. This was in response to my asking for the ability to store a manifest (e.g. Lucene version, which parts of Lucene were used, Java version, Unicode version, Application version) that could be used to determine whether an index is still valid. I haven't looked into how to use that yet.<br /><br />That said, I'd greatly appreciate any work you'd do!</span>
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