removed block rank ranking and all YBR files in /ranking

build.xml

@@ -50,7 +50,6 @@
   <property name="langstats" location="langstats"/>
   <property name="locales" location="locales"/>
   <property name="skins" location="skins"/>
-  <property name="ranking" location="ranking"/>
   <property name="release" location="RELEASE"/>
   <property name="htdocsWWW" location="${data}/HTDOCS/www"/>
   <property name="release_main" location="${release}/MAIN"/>
@@ -401,13 +400,6 @@
       </fileset>
     </copy>
 
-    <!-- copy ranking files -->
-    <copy todir="${release_main}/ranking">
-      <fileset dir="${ranking}">
-        <include name="**/*"/>
-      </fileset>
-    </copy>
-
     <!-- copy development tools -->
     <copy todir="${release_main}">
       <fileset dir=".">
@@ -595,13 +587,6 @@
       </fileset>
     </copy>
 
-    <!-- copy ranking files -->
-    <copy todir="${DESTDIR}/usr/share/yacy/ranking">
-      <fileset dir="${ranking}">
-        <include name="**/*"/>
-      </fileset>
-    </copy>
-
     <!-- prepare /var/lib/yacy -->
     <mkdir dir="${DESTDIR}/var/lib/yacy" />
     <mkdir dir="${DESTDIR}/var/lib/yacy/LOG" />

htroot/IndexControlRWIs_p.html

@@ -176,14 +176,12 @@
         <td>hash</td>
         <td>url</td>
         <td>dom length</td>
-        <td>ybr</td>
         <td>url comps</td>
         <td>url length</td>
         <td>pos in text</td>
         <td>pos of phrase</td>
         <td>pos in phrase</td>
         <td>word distance</td>
-        <td>YBR</td>
         <td>term frequency</td>
         <td>authority</td>
         <td>date</td>
@@ -206,14 +204,12 @@
         <td><a href="/IndexControlURLs_p.html?keystring=#[keyString]#&amp;keyhash=#[keyHash]#&amp;urlhash=#[urlhxValue]#&amp;urlstringsearch=&amp;urlstring=#[urlString]#" class="tt">#[urlhxValue]#</a></td>
         <td><a href="#[urlString]#">#[urlStringShort]#</a></td>
         <td class="TableCellDark">#[domlength]#</td>
-        <td class="TableCellDark">#[ybr]#</td>
         <td class="TableCellDark">#[urlcomps]#</td>
         <td class="TableCellDark">#[urllength]#</td>
         <td class="TableCellDark">#[pos]#</td>
         <td class="TableCellDark">#[phrase]#</td>
         <td class="TableCellDark">#[posinphrase]#</td>
         <td class="TableCellDark">#[worddistance]#</td>
-        <td class="TableCellDark">#[ybr]#</td>
         <td>#[tf]#</td>
         <td>#[authority]#</td>
         <td>#[date]#</td>

htroot/IndexControlRWIs_p.java

@@ -68,7 +68,6 @@ import net.yacy.search.query.QueryModifier;
 import net.yacy.search.query.QueryParams;
 import net.yacy.search.query.SearchEvent;
 import net.yacy.search.query.SearchEventCache;
-import net.yacy.search.ranking.BlockRank;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
 
@@ -496,43 +495,26 @@ public class IndexControlRWIs_p {
                 prop.putHTML("genUrlList_urlList_" + i + "_urlExists_keyString", keystring);
                 prop.put("genUrlList_urlList_" + i + "_urlExists_keyHash", keyhashs);
                 prop.putHTML("genUrlList_urlList_" + i + "_urlExists_urlString", us);
-                prop.put(
-                    "genUrlList_urlList_" + i + "_urlExists_urlStringShort",
-                    (us.length() > 40) ? (us.substring(0, 20) + "<br>" + us.substring(20, 40) + "...") : ((us
-                        .length() > 30) ? (us.substring(0, 20) + "<br>" + us.substring(20)) : us));
+                prop.put("genUrlList_urlList_" + i + "_urlExists_urlStringShort",
+                    (us.length() > 40) ? (us.substring(0, 20) + "<br>" + us.substring(20, 40) + "...") : ((us.length() > 30) ? (us.substring(0, 20) + "<br>" + us.substring(20)) : us));
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_ranking", (entry.ranking() - rn));
-                prop.putNum(
-                    "genUrlList_urlList_" + i + "_urlExists_domlength",
-                    DigestURI.domLengthEstimation(entry.hash()));
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_ybr", BlockRank.ranking(entry.hash()));
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_tf", 1000.0 * entry
-                    .word()
-                    .termFrequency());
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_authority", (theSearch.getOrder() == null)
-                    ? -1
-                    : theSearch.getOrder().authority(ASCII.String(entry.hash(), 6, 6)));
-                prop.put(
-                    "genUrlList_urlList_" + i + "_urlExists_date",
-                    GenericFormatter.SHORT_DAY_FORMATTER.format(new Date(entry.word().lastModified())));
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_wordsintitle", entry
-                    .word()
-                    .wordsintitle());
+                prop.putNum("genUrlList_urlList_" + i + "_urlExists_domlength", DigestURI.domLengthEstimation(entry.hash()));
+                prop.putNum("genUrlList_urlList_" + i + "_urlExists_tf", 1000.0 * entry.word().termFrequency());
+                prop.putNum("genUrlList_urlList_" + i + "_urlExists_authority", (theSearch.getOrder() == null) ? -1 : theSearch.getOrder().authority(ASCII.String(entry.hash(), 6, 6)));
+                prop.put("genUrlList_urlList_" + i + "_urlExists_date", GenericFormatter.SHORT_DAY_FORMATTER.format(new Date(entry.word().lastModified())));
+                prop.putNum("genUrlList_urlList_" + i + "_urlExists_wordsintitle", entry.word().wordsintitle());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_wordsintext", entry.word().wordsintext());
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_phrasesintext", entry
-                    .word()
-                    .phrasesintext());
+                prop.putNum("genUrlList_urlList_" + i + "_urlExists_phrasesintext", entry.word().phrasesintext());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_llocal", entry.word().llocal());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_lother", entry.word().lother());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_hitcount", entry.word().hitcount());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_worddistance", 0);
-                prop.putNum("genUrlList_urlList_" + i + "_urlExists_ybr", BlockRank.ranking(entry.hash()));
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_pos", entry.word().minposition());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_phrase", entry.word().posofphrase());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_posinphrase", entry.word().posinphrase());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_urlcomps", entry.word().urlcomps());
                 prop.putNum("genUrlList_urlList_" + i + "_urlExists_urllength", entry.word().urllength());
-                prop
-                    .put(
+                prop.put(
                         "genUrlList_urlList_" + i + "_urlExists_props",
                         ((entry.word().flags().get(Condenser.flag_cat_indexof)) ? "appears on index page, " : "")
                             + ((entry.word().flags().get(Condenser.flag_cat_hasimage)) ? "contains images, " : "")

htroot/RankingRWI_p.java

@@ -73,8 +73,7 @@ public class RankingRWI_p {
         rankingParameters.put(RankingProfile.WORDDISTANCE, "Word Distance;a higher ranking level prefers documents where the search words appear close together. This ranking parameter works like a NEAR operator in more-than-one word searches.");
         rankingParameters.put(RankingProfile.WORDSINTEXT, "Words In Text;a higher ranking level prefers documents with a large number of words. Be aware that this is a compensation of the term frequency parameter.");
         rankingParameters.put(RankingProfile.WORDSINTITLE, "Words In Title;a higher ranking level prefers documents with a large number of words in the document title.");
-        rankingParameters.put(RankingProfile.YBR, "YaCy Block Rank;a higher ranking level prefers documents with a higher, statically assigned ranking value on domains. This is like a 'moderated ranking'. The ranking on domains (blocks) was computed using a link analyses on large link graphs.");
-
+        
         rankingParameters.put(RankingProfile.URLCOMPINTOPLIST, "URL Component Appears In Toplist;a higher ranking level prefers documents with words in the url path that match words in the toplist. The toplist is generated dynamically from the search results using a statistic of the most used words. The toplist is a top-10 list of the most used words in URLs and document titles.");
         rankingParameters.put(RankingProfile.DESCRCOMPINTOPLIST, "Description Comp. Appears In Toplist;a higher ranking level prefers documents with words in the document description that match words in the toplist. The toplist is generated dynamically from the search results using a statistic of the most used words. The toplist is a top-10 list of the most used words in URLs and document titles.");
         rankingParameters.put(RankingProfile.PREFER, "Application Of Prefer Pattern;a higher ranking level prefers documents where the url matches the prefer pattern given in a search request.");

htroot/index.java

@@ -28,13 +28,11 @@
 // javac -classpath .:../classes index.java
 // if the shell's current path is HTROOT
 
-
 import net.yacy.cora.document.analysis.Classification;
 import net.yacy.cora.document.analysis.Classification.ContentDomain;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
-import net.yacy.search.ranking.BlockRank;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
 
@@ -43,7 +41,6 @@ public class index {
     public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
         final Switchboard sb = (Switchboard) env;
         final serverObjects prop = new serverObjects();
-        BlockRank.ensureLoaded(); // lazy initialization of block rank tables
 
         final String forwardTarget = sb.getConfig(SwitchboardConstants.INDEX_FORWARD, "");
         if (forwardTarget.length() > 0) {

ranking/YBR/YBR-4-00.idx

@@ -1 +0,0 @@
-1ZZwWAumBqYA

ranking/YBR/YBR-4-01.idx

@@ -1 +0,0 @@
--6gsqA020wSA1IWRpA2DGiZA3I173D4LHf1A4aCKyCFARhBYIgp3zAKYs_BDKlGntBP4hN7BTWSa6BWOOkgC_aJQZBlqygQCskjqmAyAS1GZ

ranking/YBR/YBR-4-02.idx

@@ -1 +0,0 @@
--dsznA0ffeYa0k8HYA1buONZ1hp4CZ1rmZEB2I2Z4a2OMHFD2dS4GC2snssC2xfZlA2yPtnA3_cOCZ3rYBLA43_QFA4DC3rZ4QT2QA4Xr0oT4aOOeC4gQ-UB4kBsyB4soqED4uvaoD4yEsRB569MNB5A85JD5AFAhB5NS-6D5OYk8A5T24mD5THrdA5qgbGB5sF1bD5unnvB6QOSwC6dTQBB6rptXD6usA-C76no0B7ka2oA7t6KsA9P-MCD9W06lD9x1MdAACBIaAAZvWMAB-1LsCB9ysWbBnGOKDCGjOTACbH3hCDpqPaBE4hAfBE73e0AE8wOQAEF18XDEclAMCEx09oBFLJT1AG-9VGbG121OCGKUAiQGYhaABGw3c_YHIYNRDHfJp2aHkNBlaJbhHIAK9ym_CKSZlzBKXICRBKZjSDDKg1NMZKokAECLpLpxCLpgIEbLzLEwAMXbAIDO1venZO9pUMAP4b63APW0DgAPhE6DDPpqN1BRDGZUARSMevBRZLwbDRyBkdQS5cf9YSA1H_DTQhlWCTQjllBTjKy9BU8tUYBUBU-UYUcb1FCUibu4AUjcguAUxQV7BVW4SCZVa3wTZVd39RAW6mcGQWvYdQbX5NQ7CXnME8aXqinsbXyU37DYTrnFCYvFrgBZceQYRZlEtda_5TwUB_9DWtB_BjKnDb5HNeAbI925CbJ8MBDbk0LFBboVvbBc6LB8Dc8kOWBcVIH9BcyK-7Dd3k77De6dtuAebtYjBep8doBfsVc0Ag-r_RBg7iLSDgBdF4ZgH2ToAg_tp9CgmKYUDgrGhFAhL2xDDiW6C7BicZSNDirHC-CjEI-jDjWy2JAkMqVVBkpOOUBkt_iIAl10fQDl1EgfalDSGZClN8sqAleZuuAm5lRIBmRbv6AmcsyJCmmz4-CmqQctCmxKFhAnOxx8Dnmc3wAnvUXNDnx345Bo2GfQCo2uawAo59ENBoTbaJbpV6YOBpaytfDq8ncZDqh9jGYqswa8BqyohEAr5F6PCr8wkPDr9NbuAroYZAYs5cngBsSmyICsX0sABs_VxeDsm2fwDsoevXCt1drJAt3YuIAt5KYbDtzQqwAuC9y_buMQoSAuPaHWSuT9E5BuisYQDvEp4rYvbE4iZvbmk1BverBJBvozSXRvuELQDvwejWAxawNOCxgso4ByKwk0Byr3IcAysR9FBysqjTBz5Lh6BzXCNNA

ranking/YBR/YBR-4-03.idx

@@ -1 +0,0 @@
--9a0tA-Ho8KA-IWRhA-N6LGB-RfRyA-WLVRR-pvIiR-zTGUY015OzA0CVWgA0Eck_A0F5BNA0FS6WD0Gf7WA0KHQrA0PMz3I0XgAcR0c-4sC0svxdA18HEbA19GMfA1AYK5A1GTzRA1WS-FA1uitOA1ygfnA1zncVA245hwA249wFA25q33A26YBgA2I4vyA2ILBAA2NyeoQ2PjZIA2UyolR2XVY8A2qM26A36DOEA3HFtDb3Je4gB3Pc7zR3UPfMA3_mhYA3_sELA3d6cwA3eqjQc3ooEUR3rXPsA3vbbOA3ydd7A41Qv4d44TBEA44yqKR47_4CA4BjcUA4KmySA4OwJZR4SMIEd4hW28D4kfwyA4mEdyA52tZEA58gsDA5DW-mA5PxFkA5QBqrA5RXd5A5SCrfA5Z0gIA5aMo2A5j6xBA5urnTR657elA6Cfy1A6OHmmB6PE77A6nYg1A6r62bR6vzwpR6wSzfA718X6A72gqQR76A2hT78gDIA7P3bNA7QRGAR7VlyiA885vKA8GQxVA8XBdpD8Xy6JA8xeLyA9-C6bZ94Ul4R9Fz0TA9PEwbR9aOzyc9dQuuR9jp3RA9qWyrA9rncTRAeoi-BC7kqvRCY2c1RCmbCgRCv0a1ADUIDrRDdMYvBDqWXjBE1SP3AE7iKlIEF8TAAEr2ZKREx_F6AF0ctZdF43jyRFHzvbRFNgKsRFxvahAG1JUicGAISPAGOsmRRGca52RGnWhFRH6wH8RI2Y5OAIgCE6dIj-97RInSN4ZJa0O_RK0KytRKJNAWAKRMIGRKWoccRLNOmMRLfQpzRM4zGZRMuecrAMy_0nYN-Q06RNVkbvRNxlJVRO6ZOBROFHCGRORipz4Od1hPROra0QROrgT9SOw50sROzLRuRPQNvdRPQr5MDPsK4aYPt81sRQ9SYcRQB6BmRQB6BmdQExs3RQHrJ3RQrPWDYQtDCeRR8gvxRRCyYyRRqwHERSSPtPRSVShmRSz7sxRTE6zHRTNBKMRTm8mkRTtpu-RUcqoyRUiwrFDVHUyHBVnuDNAVnuWKRVv-ziAW87FcRW9-QvRX7t7PAXPZo8RXSojIRXU2jURXmye6AY0HdSZY1b2BRYFYX4RYbg8GRZAumJRZNADHRZhnwNR_6JtuA_HyQ7A_O63wA_i190A_qwbfAa7-5QRaA-43RaNsjxRamVE8Qan3k9RbdvLoBcRr37DcvlccRcziVuRd_BoCRdvZwyReO0LKReWCuUAebXJGaehw1aRfIu9GYfbgqaRgRTGCAgWRHVRgYdleRiUOLbRiW10mRigeRoRjZjG3CjsZXnRk-_N-Rk6Ti9AkCKWxRkOUR0Akjov9Rl9M7WRlYQ2oAllVYHRlmJYLRloeuKRlrVltRoKrPlAoQB1SAoh6foRoo50PRopojSRp3qGLCpAecIRpO1r0RpS-cURpWvK2Ap_C_mRqBK_tAqCqZOdqS9z2RqSdXHRrzrBLDsZgzeRsgaHDQskzspRtDhTjRtNfYbAtom1SSu-3JrAu-yDaRuO0Z4RuYvAtBuoz83Av2DXwbv2wjGAvDPRPAvH2tlAvHn0zAvKwu1AvS_Q7Avd6T7Avh3YPAvrdkKAw-6G-Aw4R7gAwROSXAwUAWtAweQkIAwhhO5AwjJUaAwmtCZRwn6__RwnQlUAwnvgcRwruoLBx0l5FAxOgpUAxWX7FAxZS4zRxkwTIAxsFqaAy3Dbaay4KkrAy4RHURy8dvdRyAYvKAyGUedAzE667AzGc8KRzVcTSRz_2D0Az_OGtAzd_4nRzeudtAzgOyzAzoI1lAzrEL-R

source/net/yacy/search/Switchboard.java

@@ -187,7 +187,6 @@ import net.yacy.search.index.Segment;
 import net.yacy.search.query.AccessTracker;
 import net.yacy.search.query.SearchEvent;
 import net.yacy.search.query.SearchEventCache;
-import net.yacy.search.ranking.BlockRank;
 import net.yacy.search.ranking.RankingProfile;
 import net.yacy.search.schema.CollectionConfiguration;
 import net.yacy.search.schema.CollectionSchema;
@@ -624,10 +623,6 @@ public final class Switchboard extends serverSwitch {
                 + ppRamString(stopwordsFile.length() / 1024));
         }
 
-        // load ranking from distribution
-        final File rankingPath = new File(this.appPath, "ranking/YBR".replace('/', File.separatorChar));
-        BlockRank.loadBlockRankTable(rankingPath, 16);
-
         // start a cache manager
         this.log.logConfig("Starting HT Cache Manager");
 

source/net/yacy/search/ranking/BlockRank.java

@@ -34,7 +34,6 @@ import java.util.Map;
 
 import net.yacy.cora.document.ASCII;
 import net.yacy.cora.order.Base64Order;
-import net.yacy.cora.order.Digest;
 import net.yacy.cora.sorting.OrderedScoreMap;
 import net.yacy.cora.sorting.ScoreMap;
 import net.yacy.cora.util.SpaceExceededException;
@@ -43,7 +42,6 @@ import net.yacy.kelondro.logging.Log;
 import net.yacy.kelondro.rwi.ReferenceContainer;
 import net.yacy.kelondro.rwi.ReferenceContainerCache;
 import net.yacy.kelondro.rwi.ReferenceIterator;
-import net.yacy.kelondro.util.FileUtils;
 import net.yacy.peers.Protocol;
 import net.yacy.peers.Seed;
 import net.yacy.peers.SeedDB;
@@ -55,10 +53,6 @@ import net.yacy.search.index.Segment;
 
 public class BlockRank {
 
-    public static BinSearch[] ybrTables = null; // block-rank tables
-    private static File rankingPath;
-    private static int count;
-
     /**
      * collect host index information from other peers. All peers in the seed database are asked
      * this may take some time; please wait up to one minute
@@ -213,94 +207,6 @@ public class BlockRank {
         return evaluate(index, hostHashResolver, newTables, --recusions); // one recursion step
     }
 
-    public static void analyse(final WebStructureGraph myGraph, final Map<String, HostStat> hostHash2hostName) {
-        byte[] hosth = new byte[6];
-        String hosths, hostn;
-        HostStat hs;
-        ensureLoaded();
-        for (int ybr = 0; ybr < ybrTables.length; ybr++) {
-            row: for (int i = 0; i < ybrTables[ybr].size(); i++) {
-                hosth = ybrTables[ybr].get(i, hosth);
-                hosths = ASCII.String(hosth);
-                hostn = myGraph.hostHash2hostName(hosths);
-                if (hostn == null) {
-                    hs = hostHash2hostName.get(hostn);
-                    if (hs != null) hostn = hs.hostname;
-                }
-                if (hostn == null) {
-                    //Log.logInfo("BlockRank", "Ranking for Host: ybr = " + ybr + ", hosthash = " + hosths);
-                    continue row;
-                }
-                Log.logInfo("BlockRank", "Ranking for Host: ybr = " + ybr + ", hosthash = " + hosths + ", hostname = " + hostn);
-            }
-        }
-    }
-
-
-    /**
-     * load YaCy Block Rank tables
-     * These tables have a very simple structure: every file is a sequence of Domain hashes, ordered by b64.
-     * Each Domain hash has a length of 6 bytes and there is no separation character between the hashes
-     * @param rankingPath
-     * @param count
-     */
-    public static void loadBlockRankTable(final File rankingPath0, final int count0) {
-    	// lazy initialization to save memory during startup phase
-    	rankingPath = rankingPath0;
-    	count = count0;
-    }
-
-    public static void ensureLoaded() {
-        if (ybrTables != null) return;
-        ybrTables = new BinSearch[count];
-        String ybrName;
-        File f;
-        Log.logInfo("BlockRank", "loading block rank table from " + rankingPath.toString());
-        try {
-            for (int i = 0; i < count; i++) {
-                ybrName = "YBR-4-" + Digest.encodeHex(i, 2) + ".idx";
-                f = new File(rankingPath, ybrName);
-                if (f.exists()) {
-                    ybrTables[i] = new BinSearch(FileUtils.read(f), 6);
-                } else {
-                    ybrTables[i] = null;
-                }
-            }
-        } catch (final IOException e) {
-        }
-    }
-
-    public static void storeBlockRankTable(final File rankingPath) {
-        String ybrName;
-        File f;
-        try {
-            // first delete all old files
-            for (int i = 0; i < 16; i++) {
-                ybrName = "YBR-4-" + Digest.encodeHex(i, 2) + ".idx";
-                f = new File(rankingPath, ybrName);
-                if (!f.exists()) continue;
-                if (!f.canWrite()) return;
-                f.delete();
-            }
-            // write new files
-            for (int i = 0; i < Math.min(12, ybrTables.length); i++) {
-                ybrName = "YBR-4-" + Digest.encodeHex(i, 2) + ".idx";
-                f = new File(rankingPath, ybrName);
-                ybrTables[i].write(f);
-            }
-        } catch (final IOException e) {
-        }
-    }
-
-    /**
-     * returns the YBR ranking value in a range of 0..15, where 0 means best ranking and 15 means worst ranking
-     * @param hash
-     * @return
-     */
-    public static int ranking(final byte[] hash) {
-        return ranking(hash, ybrTables);
-    }
-
     public static int ranking(final byte[] hash, final BinSearch[] rankingTable) {
         if (rankingTable == null) return 16;
         byte[] hosthash;

source/net/yacy/search/ranking/RankingProfile.java

@@ -66,7 +66,6 @@ public class RankingProfile {
     public static final String WORDDISTANCE       = "worddistance";
     public static final String WORDSINTEXT        = "wordsintext";
     public static final String WORDSINTITLE       = "wordsintitle";
-    public static final String YBR                = "ybr";
 
     // post-sort predicates
     public static final String URLCOMPINTOPLIST   = "urlcompintoplist";
@@ -79,7 +78,7 @@ public class RankingProfile {
     public static final int COEFF_MAX = 15;
 
     public int
-        coeff_domlength, coeff_ybr, coeff_date, coeff_wordsintitle, coeff_wordsintext, coeff_phrasesintext,
+        coeff_domlength, coeff_date, coeff_wordsintitle, coeff_wordsintext, coeff_phrasesintext,
         coeff_llocal, coeff_lother, coeff_urllength, coeff_urlcomps, coeff_hitcount,
         coeff_posintext, coeff_posofphrase, coeff_posinphrase, coeff_authority, coeff_worddistance,
         coeff_appurl, coeff_app_dc_title, coeff_app_dc_creator, coeff_app_dc_subject, coeff_app_dc_description, coeff_appemph,
@@ -117,7 +116,6 @@ public class RankingProfile {
         this.coeff_worddistance       = 10;
         this.coeff_wordsintext        = 3;
         this.coeff_wordsintitle       = 2;
-        this.coeff_ybr                = 0;
 
         this.coeff_urlcompintoplist   = 2;
         this.coeff_descrcompintoplist = 2;
@@ -154,7 +152,6 @@ public class RankingProfile {
                 }
             }
             this.coeff_domlength          = parseMap(coeff, DOMLENGTH, this.coeff_domlength);
-            this.coeff_ybr                = parseMap(coeff, YBR, this.coeff_ybr);
             this.coeff_date               = parseMap(coeff, DATE, this.coeff_date);
             this.coeff_wordsintitle       = parseMap(coeff, WORDSINTITLE, this.coeff_wordsintitle);
             this.coeff_wordsintext        = parseMap(coeff, WORDSINTEXT, this.coeff_wordsintext);
@@ -201,7 +198,6 @@ public class RankingProfile {
      */
     public void allZero() {
         this.coeff_domlength          = 0;
-        this.coeff_ybr                = 0;
         this.coeff_date               = 0;
         this.coeff_wordsintitle       = 0;
         this.coeff_wordsintext        = 0;
@@ -279,7 +275,6 @@ public class RankingProfile {
             ext.put(WORDDISTANCE, Integer.toString(this.coeff_worddistance));
             ext.put(WORDSINTEXT, Integer.toString(this.coeff_wordsintext));
             ext.put(WORDSINTITLE, Integer.toString(this.coeff_wordsintitle));
-            ext.put(YBR, Integer.toString(this.coeff_ybr));
         } else {
             ext.put(prefix + APPEMPH, Integer.toString(this.coeff_appemph));
             ext.put(prefix + APPURL, Integer.toString(this.coeff_appurl));
@@ -309,7 +304,6 @@ public class RankingProfile {
             ext.put(prefix + WORDDISTANCE, Integer.toString(this.coeff_worddistance));
             ext.put(prefix + WORDSINTEXT, Integer.toString(this.coeff_wordsintext));
             ext.put(prefix + WORDSINTITLE, Integer.toString(this.coeff_wordsintitle));
-            ext.put(prefix + YBR, Integer.toString(this.coeff_ybr));
         }
         return ext;
     }

source/net/yacy/search/ranking/ReferenceOrder.java

@@ -230,7 +230,6 @@ public class ReferenceOrder {
         final int minminpos = this.min.minposition();
         final long r =
              ((256 - DigestURI.domLengthNormalized(t.urlhash())) << this.ranking.coeff_domlength)
-           + ((this.ranking.coeff_ybr > 12) ? ((256 - (BlockRank.ranking(t.urlhash()) << 4)) << this.ranking.coeff_ybr) : 0)
            + ((this.max.urlcomps()      == this.min.urlcomps()   )   ? 0 : (256 - (((t.urlcomps()     - this.min.urlcomps()     ) << 8) / (this.max.urlcomps()     - this.min.urlcomps())     )) << this.ranking.coeff_urlcomps)
            + ((this.max.urllength()     == this.min.urllength()  )   ? 0 : (256 - (((t.urllength()    - this.min.urllength()    ) << 8) / (this.max.urllength()    - this.min.urllength())    )) << this.ranking.coeff_urllength)
            + ((maxmaxpos == minminpos)                               ? 0 : (256 - (((t.minposition() - minminpos) << 8) / (maxmaxpos - minminpos))) << this.ranking.coeff_posintext)
@@ -272,7 +271,6 @@ public class ReferenceOrder {
         assert this.ranking != null;
         final long r =
              ((256 - DigestURI.domLengthNormalized(t.hash())) << this.ranking.coeff_domlength)
-           + ((this.ranking.coeff_ybr > 12) ? ((256 - (BlockRank.ranking(t.hash()) << 4)) << this.ranking.coeff_ybr) : 0)
            + ((256 - (t.urllength() << 8)) << this.ranking.coeff_urllength)
            + (t.virtualAge()  << this.ranking.coeff_date)
            + (t.wordsintitle()<< this.ranking.coeff_wordsintitle)