Per-field native facets, bug 4195
authorAdam Dickmeiss <adam@indexdata.dk>
Tue, 17 May 2011 13:40:49 +0000 (15:40 +0200)
committerAdam Dickmeiss <adam@indexdata.dk>
Tue, 17 May 2011 13:40:49 +0000 (15:40 +0200)
Honor new setting pz:facetmap:field. There is no facet parameter
for search as specified in the bug report and that is also not
needed.

12 files changed:
doc/pazpar2_conf.xml
etc/settings/opencontent-solr.xml [new file with mode: 0644]
src/client.c
src/session.c
src/settings.c
src/settings.h
test/test_facets.urls
test/test_facets_11.res
test/test_facets_14.res
test/test_facets_17.res
test/test_facets_18.res
test/test_facets_24.res

index 1f7501e..9e75b48 100644 (file)
     </varlistentry>
     
     <varlistentry>
-     <term>pz:termlist_term_count</term>
-     <listitem>
-      <para>
-       Specifies that the target should return up to n terms for each facets (where termlist="yes"). This implies 
-       that the target can return facets on the search command. Requesting facets on targets that doesn't, 
-       will return unpredictable or error result.
-      </para>
-     </listitem>
-    </varlistentry>
-
-    <varlistentry>
-     <term>pz:termlist_term_sort</term>
+     <term>pz:preferred</term>
      <listitem>
       <para>
-       Specifies how the terms should be sorted. (Not yet implemented)
+       Specifies that a target is preferred, e.g. possible local, faster target. Using block=pref on show command  
+       will wait for all these targets to return records before releasing the block. If no target is preferred, 
+       the block=pref will identical to block=1, which release when one target has returned records.     
       </para>
      </listitem>
     </varlistentry>
 
     <varlistentry>
-     <term>pz:preferred</term>
+     <term>pz:block_timeout</term>
      <listitem>
       <para>
-       Specifies that a target is preferred, e.g. possible local, faster target. Using block=pref on show command  
-       will wait for all these targets to return records before releasing the block. If no target is preferred, 
-       the block=pref will identical to block=1, which release when one target has returned records.     
+       (Not yet implemented). Specifies the time for which a block should be released anyway.      
       </para>
      </listitem>
     </varlistentry>
 
     <varlistentry>
-     <term>pz:block_timeout</term>
+     <term>pz:facetmap:<replaceable>name</replaceable></term>
      <listitem>
       <para>
-       (Not yet implemented). Specifies the time for which a block should be released anyway.      
+       Specifies that for field <replaceable>name</replaceable>, the target
+       supports (native) facets. The value is the name of the
+       field on the target.
       </para>
+      <note>
+       <para>
+         At this point only SOLR targets have been tested with this
+         facility.
+       </para>
+      </note>
      </listitem>
     </varlistentry>
     
diff --git a/etc/settings/opencontent-solr.xml b/etc/settings/opencontent-solr.xml
new file mode 100644 (file)
index 0000000..0e3d3af
--- /dev/null
@@ -0,0 +1,38 @@
+<settings target="opencontent-solr.index:8984/solr">
+  <set name="pz:name" value="opencontent-solr"/>
+  
+  <set name="pz:apdulog" value="1"/>
+  <!-- mapping for unqualified search -->
+  <set name="pz:cclmap:term" value="1=title"/>
+  
+  <!-- field-specific mappings -->
+  <set name="pz:cclmap:au"   value="1=author" />
+  <set name="pz:cclmap:ti"   value="1=title"  />
+  <set name="pz:cclmap:su"   value="1=subject"/>
+  <set name="pz:cclmap:isbn" value="1=isbn" />
+  <set name="pz:cclmap:issn" value="1=issn" />
+  <set name="pz:cclmap:date" value="1=date" />
+
+  <!-- Retrieval settings -->
+
+  <set name="pz:sru" value="solr"/>
+  <set name="pz:requestsyntax" value="tmarc"/>
+
+  <!-- Termlist/facet settings -->
+  <set name="pz:termlist_term_count" value="0"/>
+  <set name="pz:termlist_term_sort" value="1"/>
+
+  <set name="pz:facetmap:date" value="date"/>
+  <set name="pz:facetmap:subject" value="subject_exact"/>
+  <set name="pz:facetmap:author" value="author_exact"/>
+  <!-- Result normalization settings -->
+
+  <set name="pz:nativesyntax" value="txml"/>
+  <set name="pz:xslt" value="solr-pz2.xsl"/>
+</settings>
+<!-- Keep this comment at the end of the file
+     Local variables:
+     mode: nxml
+     End:
+-->
+
index 0eee31c..dd3b58c 100644 (file)
@@ -423,27 +423,46 @@ static int nativesyntax_to_type(struct session_database *sdb, char *type,
  * TODO Consider thread safety!!!
  *
  */
-int client_report_facets(struct client *cl, ZOOM_resultset rs) {
+void client_report_facets(struct client *cl, ZOOM_resultset rs)
+{
     int facet_idx;
+    struct session_database *sdb = client_get_database(cl);
     ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
     int facet_num;
     struct session *se = client_get_session(cl);
+    struct setting *s;
     facet_num = ZOOM_resultset_facets_size(rs);
     yaz_log(YLOG_DEBUG, "client_report_facets: %d", facet_num);
 
-    for (facet_idx = 0; facet_idx < facet_num; facet_idx++) {
-        const char *name = ZOOM_facet_field_name(facets[facet_idx]);
-        size_t term_idx;
-        size_t term_num = ZOOM_facet_field_term_count(facets[facet_idx]);
-        for (term_idx = 0; term_idx < term_num; term_idx++ ) {
-            int freq;
-            const char *term = ZOOM_facet_field_get_term(facets[facet_idx], term_idx, &freq);
-            if (term)
-                add_facet(se, name, term, freq);
+    for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
+    {
+        const char *p = strchr(s->name + 3, ':');
+        if (p && p[1] && s->value && s->value[0])
+        {
+            p++; /* p now holds logical facet name */
+            for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
+            {
+                const char *native_name =
+                    ZOOM_facet_field_name(facets[facet_idx]);
+                if (native_name && !strcmp(s->value, native_name))
+                {
+                    size_t term_idx;
+                    size_t term_num =
+                        ZOOM_facet_field_term_count(facets[facet_idx]);
+                    for (term_idx = 0; term_idx < term_num; term_idx++ )
+                    {
+                        int freq;
+                        const char *term =
+                            ZOOM_facet_field_get_term(facets[facet_idx],
+                                                      term_idx, &freq);
+                        if (term)
+                            add_facet(se, p, term, freq);
+                    }
+                    break;
+                }
+            }
         }
     }
-
-    return 0;
 }
 
 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
@@ -606,63 +625,49 @@ void client_record_response(struct client *cl)
     }
 }
 
-static int client_set_facets_request(struct client *cl, ZOOM_connection link)
+static void client_set_facets_request(struct client *cl, ZOOM_connection link)
 {
     struct session_database *sdb = client_get_database(cl);
-    const char *opt_facet_term_sort  = session_setting_oneval(sdb, PZ_TERMLIST_TERM_SORT);
-    const char *opt_facet_term_count = session_setting_oneval(sdb, PZ_TERMLIST_TERM_COUNT);
 
-    /* Future record filtering on target */
-    /* const char *opt_facet_record_filter = session_setting_oneval(sdb, PZ_RECORDFILTER); */
+    WRBUF w = wrbuf_alloc();
+    
+    struct setting *s;
 
-    /* Disable when no count is set */
-    /* TODO Verify: Do we need to reset the  ZOOM facets if a ZOOM Connection is being reused??? */
-    if (opt_facet_term_count && *opt_facet_term_count)
+    for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
     {
-        int index = 0;
-        struct session *session = client_get_session(cl);
-        struct conf_service *service = session->service;
-        int num = service->num_metadata;
-        WRBUF wrbuf = wrbuf_alloc();
-        yaz_log(YLOG_DEBUG, "Facet settings, sort: %s count: %s",
-                opt_facet_term_sort, opt_facet_term_count);
-        for (index = 0; index < num; index++)
+        const char *p = strchr(s->name + 3, ':');
+        if (!p)
         {
-            struct conf_metadata *conf_meta = &service->metadata[index];
-            if (conf_meta->termlist)
-            {
-                if (wrbuf_len(wrbuf))
-                    wrbuf_puts(wrbuf, ", ");
-                wrbuf_printf(wrbuf, "@attr 1=%s", conf_meta->name);
-                
-                if (opt_facet_term_sort && *opt_facet_term_sort)
-                    wrbuf_printf(wrbuf, " @attr 2=%s", opt_facet_term_sort);
-                wrbuf_printf(wrbuf, " @attr 3=%s", opt_facet_term_count);
-            }
+            yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
         }
-        if (wrbuf_len(wrbuf))
+        else if (s->value && s->value[0])
         {
-            yaz_log(YLOG_LOG, "Setting ZOOM facets option: %s", wrbuf_cstr(wrbuf));
-            ZOOM_connection_option_set(link, "facets", wrbuf_cstr(wrbuf));
-            return 1;
+            wrbuf_puts(w, "@attr 1=");
+            yaz_encode_pqf_term(w, s->value, strlen(s->value));
+            if (s->next)
+                wrbuf_puts(w, ",");
         }
     }
-    return 0;
+    yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
+    ZOOM_connection_option_set(link, "facets",
+                               wrbuf_len(w) ? wrbuf_cstr(w) : 0);
+    wrbuf_destroy(w);
 }
 
-int client_has_facet(struct client *cl, const char *name) {
-    ZOOM_facet_field facet_field;
-    if (!cl || !cl->resultset || !name) {
-        return 0;
-    }
-    facet_field = ZOOM_resultset_get_facet_field(cl->resultset, name);
-    if (facet_field) {
-        return 1;
+int client_has_facet(struct client *cl, const char *name)
+{
+    struct session_database *sdb = client_get_database(cl);
+    struct setting *s;
+
+    for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
+    {
+        const char *p = strchr(s->name + 3, ':');
+        if (p && !strcmp(name, p + 1))
+            return 1;
     }
     return 0;
 }
 
-
 void client_start_search(struct client *cl)
 {
     struct session_database *sdb = client_get_database(cl);
index 75fbb17..0453377 100644 (file)
@@ -590,8 +590,6 @@ int session_is_preferred_clients_ready(struct session *s)
     return res == 0;
 }
 
-
-
 enum pazpar2_error_code search(struct session *se,
                                const char *query,
                                const char *startrecs, const char *maxrecs,
@@ -1503,7 +1501,6 @@ static int ingest_to_cluster(struct client *cl,
             // construct facets ... unless the client already has reported them
             if (ser_md->termlist && !client_has_facet(cl, (char *) type))
             {
-
                 if (ser_md->type == Metadata_type_year)
                 {
                     char year[64];
index 691e627..b8c1d0a 100644 (file)
@@ -71,14 +71,12 @@ static char *hard_settings[] = {
     "pz:negotiation_charset",
     "pz:max_connections",
     "pz:reuse_connections",     /* PZ_REUSE_CONNECTION    */
-    "pz:termlist_term_sort",    /* PZ_TERMLIST_TERM_SORT  */
-    "pz:termlist_term_count",   /* PZ_TERMLIST_TERM_COUNT */
     "pz:termlist_term_factor",  /* PZ_TERMLIST_TERM_FACTOR*/
     "pz:preferred",             /* PZ_PREFERRED           */
     "pz:extra_args",            /* PZ_EXTRA_ARGS          */
     "pz:query_syntax",          /* PZ_QUERY_SYNTAX        */
     "pz:option_recordfilter",   /* PZ_OPTION_RECORDFILTER */
-
+    "pz:facetmap:",             /* PZ_FACETMAP */
     0
 };
 
index 86eb31d..5862b9e 100644 (file)
@@ -44,14 +44,13 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #define PZ_NEGOTIATION_CHARSET  21
 #define PZ_MAX_CONNECTIONS      22
 #define PZ_REUSE_CONNECTIONS    23
-#define PZ_TERMLIST_TERM_SORT   24
-#define PZ_TERMLIST_TERM_COUNT  25
-#define PZ_TERMLIST_TERM_FACTOR 26
-#define PZ_PREFERRED            27
-#define PZ_EXTRA_ARGS           28
-#define PZ_QUERY_SYNTAX         29
-#define PZ_OPTION_RECORDFILTER  30
-#define PZ_MAX_EOF              31
+#define PZ_TERMLIST_TERM_FACTOR 24
+#define PZ_PREFERRED            25
+#define PZ_EXTRA_ARGS           26
+#define PZ_QUERY_SYNTAX         27
+#define PZ_OPTION_RECORDFILTER  28
+#define PZ_FACETMAP             29
+#define PZ_MAX_EOF              30
 
 struct setting
 {
index eea7f7b..af9d74a 100644 (file)
@@ -1,10 +1,10 @@
 http://localhost:9763/search.pz2?command=init&clear=1
-http://localhost:9763/search.pz2?session=1&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl&pz:termlist_term_count%5Blocalhost:9999%2Fdb1%5D=0
+http://localhost:9763/search.pz2?session=1&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl
 http://localhost:9763/search.pz2?session=1&command=search&query=7+and+computer
 http://localhost:9763/search.pz2?session=1&command=show&block=1
 http://localhost:9763/search.pz2?session=1&command=bytarget
 4 http://localhost:9763/search.pz2?session=1&command=termlist&name=xtargets%2Cauthor%2Csubject%2Cdate%2Cmedium
-http://localhost:9763/search.pz2?session=1&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl&pz:termlist_term_count%5Blocalhost:9999%2Fdb1%5D=5&pz:maxrecs%5Blocalhost:9999%2Fdb1%5D=2
+http://localhost:9763/search.pz2?session=1&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl&pz:maxrecs%5Blocalhost:9999%2Fdb1%5D=2&pz:facetmap:author%5Blocalhost:9999%2Fdb1%5D=author&pz:facetmap:subject%5Blocalhost:9999%2Fdb1%5D=subject&pz:facetmap:date%5Blocalhost:9999%2Fdb1%5D=date
 http://localhost:9763/search.pz2?session=1&command=search&query=4+and+computer
 http://localhost:9763/search.pz2?session=1&command=show&block=1
 http://localhost:9763/search.pz2?session=1&command=bytarget
@@ -18,7 +18,7 @@ http://localhost:9763/search.pz2?session=1&command=termlist&name=xtargets%2Cauth
 10 http://localhost:9763/search.pz2?session=1&command=termlist&name=xtargets%2Cauthor%2Csubject%2Cdate%2Cmedium
 http://localhost:9763/search.pz2?session=1&command=bytarget
 http://localhost:9763/search.pz2?command=init
-http://localhost:9763/search.pz2?session=2&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl&pz:apdulog%5Blocalhost:9999%2Fdb1%5D=1
+http://localhost:9763/search.pz2?session=2&command=settings&pz:name%5Blocalhost:9999%2Fdb1%5D=db1&pz:requestsyntax%5Blocalhost:9999%2Fdb1%5D=usmarc&pz:nativesyntax%5Blocalhost:9999%2Fdb1%5D=txml&pz:xslt%5Blocalhost:9999%2Fdb1%5D=tmarc.xsl&pz:apdulog%5Blocalhost:9999%2Fdb1%5D=1&pz:facetmap:date%5Blocalhost:9999%2Fdb1%5D=date
 http://localhost:9763/search.pz2?session=2&command=search&query=9+and+computer
 10 http://localhost:9763/search.pz2?session=2&command=show&block=1
 http://localhost:9763/search.pz2?session=2&command=termlist&name=xtargets%2Cauthor%2Csubject%2Cdate%2Cmedium
index 64048ad..a63c538 100644 (file)
 <term><name>author2</name><frequency>80</frequency></term>
 <term><name>author3</name><frequency>70</frequency></term>
 <term><name>author4</name><frequency>60</frequency></term>
+<term><name>author5</name><frequency>50</frequency></term>
+<term><name>author6</name><frequency>40</frequency></term>
+<term><name>author7</name><frequency>30</frequency></term>
+<term><name>author8</name><frequency>20</frequency></term>
+<term><name>author9</name><frequency>10</frequency></term>
 </list>
 <list name="subject">
 <term><name>subject0</name><frequency>100</frequency></term>
 <term><name>subject2</name><frequency>80</frequency></term>
 <term><name>subject3</name><frequency>70</frequency></term>
 <term><name>subject4</name><frequency>60</frequency></term>
+<term><name>subject5</name><frequency>50</frequency></term>
+<term><name>subject6</name><frequency>40</frequency></term>
+<term><name>subject7</name><frequency>30</frequency></term>
+<term><name>subject8</name><frequency>20</frequency></term>
+<term><name>subject9</name><frequency>10</frequency></term>
 </list>
 <list name="date">
 <term><name>date0</name><frequency>100</frequency></term>
 <term><name>date2</name><frequency>80</frequency></term>
 <term><name>date3</name><frequency>70</frequency></term>
 <term><name>date4</name><frequency>60</frequency></term>
+<term><name>date5</name><frequency>50</frequency></term>
+<term><name>date6</name><frequency>40</frequency></term>
+<term><name>date7</name><frequency>30</frequency></term>
+<term><name>date8</name><frequency>20</frequency></term>
+<term><name>date9</name><frequency>10</frequency></term>
 </list>
 <list name="medium">
 </list>
index 0cf8475..812c1c9 100644 (file)
 <term><name>author2</name><frequency>80</frequency></term>
 <term><name>author3</name><frequency>70</frequency></term>
 <term><name>author4</name><frequency>60</frequency></term>
+<term><name>author5</name><frequency>50</frequency></term>
+<term><name>author6</name><frequency>40</frequency></term>
+<term><name>author7</name><frequency>30</frequency></term>
+<term><name>author8</name><frequency>20</frequency></term>
+<term><name>author9</name><frequency>10</frequency></term>
 </list>
 <list name="subject">
 <term><name>subject0</name><frequency>100</frequency></term>
 <term><name>subject2</name><frequency>80</frequency></term>
 <term><name>subject3</name><frequency>70</frequency></term>
 <term><name>subject4</name><frequency>60</frequency></term>
+<term><name>subject5</name><frequency>50</frequency></term>
+<term><name>subject6</name><frequency>40</frequency></term>
+<term><name>subject7</name><frequency>30</frequency></term>
+<term><name>subject8</name><frequency>20</frequency></term>
+<term><name>subject9</name><frequency>10</frequency></term>
 </list>
 <list name="date">
 <term><name>date0</name><frequency>100</frequency></term>
 <term><name>date2</name><frequency>80</frequency></term>
 <term><name>date3</name><frequency>70</frequency></term>
 <term><name>date4</name><frequency>60</frequency></term>
+<term><name>date5</name><frequency>50</frequency></term>
+<term><name>date6</name><frequency>40</frequency></term>
+<term><name>date7</name><frequency>30</frequency></term>
+<term><name>date8</name><frequency>20</frequency></term>
+<term><name>date9</name><frequency>10</frequency></term>
 </list>
 <list name="medium">
 </list>
index e988091..abb5f68 100644 (file)
 <term><name>author2</name><frequency>80</frequency></term>
 <term><name>author3</name><frequency>70</frequency></term>
 <term><name>author4</name><frequency>60</frequency></term>
+<term><name>author5</name><frequency>50</frequency></term>
+<term><name>author6</name><frequency>40</frequency></term>
+<term><name>author7</name><frequency>30</frequency></term>
+<term><name>author8</name><frequency>20</frequency></term>
+<term><name>author9</name><frequency>10</frequency></term>
 </list>
 <list name="subject">
 <term><name>subject0</name><frequency>100</frequency></term>
 <term><name>subject2</name><frequency>80</frequency></term>
 <term><name>subject3</name><frequency>70</frequency></term>
 <term><name>subject4</name><frequency>60</frequency></term>
+<term><name>subject5</name><frequency>50</frequency></term>
+<term><name>subject6</name><frequency>40</frequency></term>
+<term><name>subject7</name><frequency>30</frequency></term>
+<term><name>subject8</name><frequency>20</frequency></term>
+<term><name>subject9</name><frequency>10</frequency></term>
 </list>
 <list name="date">
 <term><name>date0</name><frequency>100</frequency></term>
 <term><name>date2</name><frequency>80</frequency></term>
 <term><name>date3</name><frequency>70</frequency></term>
 <term><name>date4</name><frequency>60</frequency></term>
+<term><name>date5</name><frequency>50</frequency></term>
+<term><name>date6</name><frequency>40</frequency></term>
+<term><name>date7</name><frequency>30</frequency></term>
+<term><name>date8</name><frequency>20</frequency></term>
+<term><name>date9</name><frequency>10</frequency></term>
 </list>
 <list name="medium">
 </list>
index e988091..abb5f68 100644 (file)
 <term><name>author2</name><frequency>80</frequency></term>
 <term><name>author3</name><frequency>70</frequency></term>
 <term><name>author4</name><frequency>60</frequency></term>
+<term><name>author5</name><frequency>50</frequency></term>
+<term><name>author6</name><frequency>40</frequency></term>
+<term><name>author7</name><frequency>30</frequency></term>
+<term><name>author8</name><frequency>20</frequency></term>
+<term><name>author9</name><frequency>10</frequency></term>
 </list>
 <list name="subject">
 <term><name>subject0</name><frequency>100</frequency></term>
 <term><name>subject2</name><frequency>80</frequency></term>
 <term><name>subject3</name><frequency>70</frequency></term>
 <term><name>subject4</name><frequency>60</frequency></term>
+<term><name>subject5</name><frequency>50</frequency></term>
+<term><name>subject6</name><frequency>40</frequency></term>
+<term><name>subject7</name><frequency>30</frequency></term>
+<term><name>subject8</name><frequency>20</frequency></term>
+<term><name>subject9</name><frequency>10</frequency></term>
 </list>
 <list name="date">
 <term><name>date0</name><frequency>100</frequency></term>
 <term><name>date2</name><frequency>80</frequency></term>
 <term><name>date3</name><frequency>70</frequency></term>
 <term><name>date4</name><frequency>60</frequency></term>
+<term><name>date5</name><frequency>50</frequency></term>
+<term><name>date6</name><frequency>40</frequency></term>
+<term><name>date7</name><frequency>30</frequency></term>
+<term><name>date8</name><frequency>20</frequency></term>
+<term><name>date9</name><frequency>10</frequency></term>
 </list>
 <list name="medium">
 </list>
index a8f2b85..a872155 100644 (file)
 </term>
 </list>
 <list name="author">
-<term><name>author0</name><frequency>100</frequency></term>
-<term><name>author1</name><frequency>90</frequency></term>
-<term><name>author2</name><frequency>80</frequency></term>
-<term><name>author3</name><frequency>70</frequency></term>
-<term><name>author4</name><frequency>60</frequency></term>
+<term><name>Jack Collins</name><frequency>2</frequency></term>
+<term><name>Mairs, John W</name><frequency>1</frequency></term>
+<term><name>Wood, Helen M</name><frequency>1</frequency></term>
+<term><name>Englund, Carl R</name><frequency>1</frequency></term>
 </list>
 <list name="subject">
-<term><name>subject0</name><frequency>100</frequency></term>
-<term><name>subject1</name><frequency>90</frequency></term>
-<term><name>subject2</name><frequency>80</frequency></term>
-<term><name>subject3</name><frequency>70</frequency></term>
-<term><name>subject4</name><frequency>60</frequency></term>
+<term><name>Radioisotope scanning</name><frequency>1</frequency></term>
+<term><name>Scintillation cameras</name><frequency>1</frequency></term>
+<term><name>Imaging systems in medicine</name><frequency>1</frequency></term>
+<term><name>Bible. O.T</name><frequency>1</frequency></term>
+<term><name>Bible</name><frequency>1</frequency></term>
+<term><name>Cartography</name><frequency>1</frequency></term>
+<term><name>Puget Sound region (Wash.)</name><frequency>1</frequency></term>
+<term><name>Tomography</name><frequency>1</frequency></term>
+<term><name>Optical pattern recognition</name><frequency>1</frequency></term>
+<term><name>Computers</name><frequency>1</frequency></term>
+<term><name>Railroads</name><frequency>1</frequency></term>
 </list>
 <list name="date">
 <term><name>date0</name><frequency>100</frequency></term>
 <term><name>date2</name><frequency>80</frequency></term>
 <term><name>date3</name><frequency>70</frequency></term>
 <term><name>date4</name><frequency>60</frequency></term>
+<term><name>date5</name><frequency>50</frequency></term>
+<term><name>date6</name><frequency>40</frequency></term>
+<term><name>date7</name><frequency>30</frequency></term>
+<term><name>date8</name><frequency>20</frequency></term>
+<term><name>date9</name><frequency>10</frequency></term>
 </list>
 <list name="medium">
 </list>