-/* $Id: ranksimilarity.c,v 1.6 2006-05-10 07:54:41 marc Exp $
- Copyright (C) 1995-2005
+/* $Id: ranksimilarity.c,v 1.11 2006-08-14 10:40:15 adam Exp $
+ Copyright (C) 1995-2006
Index Data ApS
This file is part of the Zebra server.
for more details.
You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
#include <stdio.h>
/** number of docs within result set */
zint no_docs_resset;
- /** number of terms in this field */
- zint no_terms_field;
-
- /** number of docs with this field in database */
- zint no_docs_field;
+ /** number of docs with this fieldindex in database */
+ zint no_docs_fieldindex;
- /** sum of size of all docs with this field in database
- (in bytes or terms ??) */
- zint size_docs_field;
+ /** number of terms in this fieldindex */
+ zint no_terms_fieldindex;
/** rank flag is one if term is to be included in ranking */
int rank_flag;
- /** relative ranking weight of term field */
- int field_weight;
+ /** relative ranking weight of term fieldindex */
+ int fieldindex_weight;
/** term id used to access term name and other info */
TERMID term;
/** number of terms in query which are included in ranking */
int no_ranked_terms_query;
- /** number of documents in entire collection */
+ /** number of documents in entire database */
zint no_docs_database;
- /** sum of size of all documents in entire collection
- (in bytes or terms ?? best implemented as sum of size of
- all indexes/fields in db ??)*/
- zint size_docs_database;
+ /** number of terms in entire database */
+ zint no_terms_database;
/** array of size no_terms_query with statistics gathered per term */
struct ranksimilarity_term_info *entries;
/* setting database global statistics */
si->no_docs_database = -1; /* TODO */
- si->size_docs_database = -1; /* TODO */
+ si->no_terms_database = -1; /* TODO */
/* setting query statistics */
si->no_terms_query = numterms;
ranksimilar_rec_reset(si);
- /* looping all terms in a specific field of query */
+ /* looping all terms in a specific fieldindex of query */
for (i = 0; i < numterms; i++)
{
struct ord_list *ol = NULL;
{
const char *cp = strstr(terms[i]->flags+4, ",w=");
+ zint no_docs_fieldindex = 0;
+ zint no_terms_fieldindex = 0;
+
yaz_log(log_level, "begin() terms[%d]: '%s' flags=%s",
i, terms[i]->name, terms[i]->flags);
of setting rset->hits_limit = rset_count(rset) ??? */
si->entries[i].freq_term_resset = rset_count(terms[i]->rset);
si->entries[i].no_docs_resset = terms[i]->rset->hits_count;
- si->entries[i].no_docs_field = -1; /*TODO*/
- si->entries[i].size_docs_field = -1; /*TODO*/
- si->entries[i].no_terms_field = -1; /*TODO*/
+
if (cp)
- si->entries[i].field_weight = atoi (cp+3);
+ si->entries[i].fieldindex_weight = atoi (cp+3);
else
- si->entries[i].field_weight = 34; /* sqrroot of 1000 */
+ si->entries[i].fieldindex_weight = 34; /* sqrroot of 1000 */
/*
*/
/* looping indexes where term terms[i] is found */
- for (; ol; ol = ol->next)
+
+ for (; ol; ol = ol->next)
{
int index_type = 0;
const char *db = 0;
const char *string_index = 0;
- int set = -1;
- int use = -1;
-
+
zebraExplain_lookup_ord(reg->zei,
- ol->ord, &index_type, &db, &set, &use,
+ ol->ord, &index_type, &db,
&string_index);
+ no_docs_fieldindex
+ += zebraExplain_ord_get_doc_occurrences(reg->zei, ol->ord);
+ no_terms_fieldindex
+ += zebraExplain_ord_get_term_occurrences(reg->zei, ol->ord);
+
if (string_index)
yaz_log(log_level,
"begin() index: ord=%d type=%c db=%s str-index=%s",
ol->ord, index_type, db, string_index);
else
yaz_log(log_level,
- "begin() index: ord=%d type=%c db=%s set=%d use=%d",
- ol->ord, index_type, db, set, use);
+ "begin() index: ord=%d type=%c db=%s",
+ ol->ord, index_type, db);
}
+ si->entries[i].no_docs_fieldindex = no_docs_fieldindex;
+ si->entries[i].no_terms_fieldindex = no_terms_fieldindex;
}
si->entries[i].term = terms[i];
si->no_ranked_terms_query);
yaz_log(log_level, "calc() si->no_docs_database = " ZINT_FORMAT,
si->no_docs_database);
- yaz_log(log_level, "calc() si->size_docs_database = " ZINT_FORMAT,
- si->size_docs_database);
+ yaz_log(log_level, "calc() si->no_terms_database = " ZINT_FORMAT,
+ si->no_terms_database);
if (!si->no_ranked_terms_query)
i, si->entries[i].term->name, si->entries[i].term->flags);
yaz_log(log_level, "calc() entries[%d] rank_flag %d",
i, si->entries[i].rank_flag );
- yaz_log(log_level, "calc() entries[%d] field_weight %d",
- i, si->entries[i].field_weight );
+ yaz_log(log_level, "calc() entries[%d] fieldindex_weight %d",
+ i, si->entries[i].fieldindex_weight );
yaz_log(log_level, "calc() entries[%d] freq_term_docfield %d",
i, si->entries[i].freq_term_docfield );
yaz_log(log_level, "calc() entries[%d] freq_term_resset " ZINT_FORMAT,
i, si->entries[i].freq_term_resset );
yaz_log(log_level, "calc() entries[%d] no_docs_resset " ZINT_FORMAT,
i, si->entries[i].no_docs_resset );
- yaz_log(log_level, "calc() entries[%d] no_docs_field " ZINT_FORMAT,
- i, si->entries[i].no_docs_field );
- yaz_log(log_level, "calc() entries[%d] size_docs_field " ZINT_FORMAT,
- i, si->entries[i].size_docs_field );
- yaz_log(log_level, "calc() entries[%d] no_terms_field " ZINT_FORMAT,
- i, si->entries[i].no_terms_field );
+ yaz_log(log_level, "calc() entries[%d] no_docs_fieldindex "
+ ZINT_FORMAT,
+ i, si->entries[i].no_docs_fieldindex );
+ yaz_log(log_level, "calc() entries[%d] no_terms_fieldindex "
+ ZINT_FORMAT,
+ i, si->entries[i].no_terms_fieldindex );
}
}
/* staticrank = 0 is highest, MAXINT lowest */
- score = INT_MAX - staticrank; /* but score is reverse (logical) */
+ if (staticrank >= INT_MAX)
+ score = 0;
+ else
+ { /* but score is reverse (logical) */
+ score = INT_MAX - CAST_ZINT_TO_INT(staticrank);
+ }
/* debugging statistics output */
};
struct rank_control *rank_similarity_class = &rank_control;
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+