| 1 | Apache Solr Clustering Implementation |
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| 2 | |
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| 3 | Intro: |
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| 4 | |
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| 5 | See http://wiki.apache.org/solr/ClusteringComponent |
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| 6 | |
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| 7 | CHANGES |
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| 8 | |
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| 9 | $Id$ |
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| 10 | ================== Release 4.0.0-ALPHA ============== |
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| 11 | |
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| 12 | * SOLR-3470: Bug fix: custom Carrot2 tokenizer and stemmer factories are |
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| 13 | respected now (Stanislaw Osinski, Dawid Weiss) |
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| 14 | |
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| 15 | ================== Release 3.6.0 ================== |
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| 16 | |
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| 17 | * SOLR-2937: Configuring the number of contextual snippets used for |
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| 18 | search results clustering. The hl.snippets parameter is now respected |
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| 19 | by the clustering plugin, can be overridden by carrot.summarySnippets |
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| 20 | if needed (Stanislaw Osinski). |
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| 21 | |
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| 22 | * SOLR-2938: Clustering on multiple fields. The carrot.title and |
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| 23 | carrot.snippet can now take comma- or space-separated lists of |
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| 24 | field names to cluster (Stanislaw Osinski). |
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| 25 | |
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| 26 | * SOLR-2939: Clustering of multilingual search results. The document's |
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| 27 | language field be passed in the carrot.lang parameter, the carrot.lcmap |
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| 28 | parameter enables mapping of language codes to ISO 639 (Stanislaw Osinski). |
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| 29 | |
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| 30 | * SOLR-2940: Passing values for custom Carrot2 fields. The custom field |
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| 31 | mapping are defined using the carrot.custom parameter (Stanislaw Osinski). |
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| 32 | |
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| 33 | * SOLR-2941: NullPointerException on clustering component initialization |
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| 34 | when schema does not have a unique key field (Stanislaw Osinski). |
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| 35 | |
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| 36 | * SOLR-2942: ClassCastException when passing non-textual fields for |
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| 37 | clustering (Stanislaw Osinski). |
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| 38 | |
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| 39 | ================== Release 3.5.0 ================== |
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| 40 | |
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| 41 | (No Changes) |
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| 42 | |
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| 43 | ================== Release 3.4.0 ================== |
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| 44 | |
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| 45 | * SOLR-2706: The carrot.lexicalResourcesDir parameter now works |
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| 46 | with absolute directories (Stanislaw Osinski) |
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| 47 | |
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| 48 | * SOLR-2692: Typo in param name fixed: "carrot.fragzise" changed to |
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| 49 | "carrot.fragSize" (Stanislaw Osinski). |
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| 50 | |
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| 51 | ================== Release 3.3.0 ================== |
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| 52 | |
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| 53 | (No Changes) |
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| 54 | |
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| 55 | ================== Release 3.2.0 ================== |
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| 56 | |
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| 57 | * SOLR-2448: Search results clustering updates: bisecting k-means |
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| 58 | clustering algorithm added, loading of Carrot2 stop words from |
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| 59 | <solr.home>/conf/carrot2 (SOLR-2449), using Solr's stopwords.txt |
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| 60 | for clustering (SOLR-2450), output of cluster scores (SOLR-2505) |
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| 61 | (Stanislaw Osinski, Dawid Weiss). |
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| 62 | |
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| 63 | ================== Release 3.1.0 ================== |
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| 64 | |
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| 65 | * SOLR-1684: Switch to use the SolrIndexSearcher.doc(int, Set<String>) method b/c it can use the document cache (gsingers) |
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| 66 | |
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| 67 | * SOLR-1692: Fix bug relating to carrot.produceSummary option (gsingers) |
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| 68 | |
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| 69 | * SOLR-1804: Re-enabled clustering on trunk, updated to latest version of Carrot2. No more LGPL run-time dependencies. |
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| 70 | This release of C2 also does not have a specific Lucene dependency. (Stanislaw Osinski, gsingers) |
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| 71 | |
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| 72 | * SOLR-2282: Add distributed search support for search result clustering. |
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| 73 | (Brad Giaccio, Dawid Weiss, Stanislaw Osinski, rmuir, koji) |
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| 74 | |
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| 75 | ================== Release 1.4.0 ================== |
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| 76 | |
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| 77 | Solr Clustering will be released for the first time in Solr 1.4. See http://wiki.apache.org/solr/ClusteringComponent |
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| 78 | for details on using. |
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