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https://github.com/yacy/yacy_search_server.git
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addba047e2
- an existing ranking servlet for solr was extended. It is now possible to set boost values for fields, boost functions and boost queries. - The ranking can have different instances, but currently only the first one is used - added an abstraction layer for fields which can be used for search and those fields can be edited in the solr ranking configruation - the ranking value from solr within the field score is used to combine remote search requests, which all are created using the same locally defined boost values - reduced the number of fields which are used for search (makes it faster) - replaced some text fields by string fields (makes indexing faster) - removed classes which had no use - made a large number of experiments for a better ranking and created a temporary setting which prefers hits inside titles - adjusted also the RWI-based ranking computation to 'prefer title' - made special cases like for portal search where no post-processing and post-ranking is wanted: this keeps the original ranking order as done by Solr - fixed many bugs with old settings for ranking
69 lines
2.9 KiB
Java
69 lines
2.9 KiB
Java
/**
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* ContentAnalysis_p
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* Copyright 2013 by Michael Peter Christen
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* First released 12.03.2013 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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import net.yacy.cora.federate.solr.Ranking;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.search.query.SearchEventCache;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class ContentAnalysis_p {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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// clean up all search events
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SearchEventCache.cleanupEvents(true);
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sb.index.fulltext().clearCache(); // every time the ranking is changed we need to remove old orderings
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if (post != null && post.containsKey("EnterDoublecheck")) {
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Ranking.setMinTokenLen(post.getInt("minTokenLen", 3));
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Ranking.setQuantRate(post.getFloat("quantRate", 0.5f));
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_MINLENGTH, Ranking.getMinTokenLen());
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_QUANTRATE, Ranking.getQuantRate());
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}
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if (post != null && post.containsKey("ResetDoublecheck")) {
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Ranking.setMinTokenLen(3);
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Ranking.setQuantRate(0.5f);
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_MINLENGTH, Ranking.getMinTokenLen());
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_QUANTRATE, Ranking.getQuantRate());
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}
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if (post != null && post.containsKey("ResetRanking")) {
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Ranking.setMinTokenLen(3);
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Ranking.setQuantRate(0.5f);
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_MINLENGTH, Ranking.getMinTokenLen());
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sb.setConfig(SwitchboardConstants.SEARCH_RANKING_SOLR_DOUBLEDETECTION_QUANTRATE, Ranking.getQuantRate());
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}
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final serverObjects prop = new serverObjects();
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prop.put("minTokenLen", Ranking.getMinTokenLen());
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prop.put("quantRate", Ranking.getQuantRate());
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return prop;
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}
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}
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