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Contents
Preface

Virtuoso Functions Guide

Administration
Aggregate Functions
Array Manipulation
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
Phrases
RDF data
db.dba.rdf_64bit_upg...
db.dba.rdf_audit_met...
db.dba.rdf_backup_me...
db.dba.rdf_convert_r...
db.dba.rdf_graph_col...
db.dba.rdf_graph_dif...
db.dba.rdf_graph_gro...
db.dba.rdf_graph_gro...
db.dba.rdf_langmatch...
db.dba.rdf_load_rdfa
db.dba.rdf_load_rdfx...
db.dba.rdf_load_rdfx...
db.dba.rdf_quad_uri
db.dba.rdf_quad_uri_...
db.dba.rdf_quad_uri_...
db.dba.rdf_regex
db.dba.rdf_restore_m...
db.dba.rdf_suo_apply...
db.dba.rdf_suo_diff_...
db.dba.rdf_triples_t...
db.dba.rdf_triples_t...
db.dba.rdf_ttl2hash
db.dba.rdf_void_stor...
db.dba.sparql_eval
db.dba.sparql_eval_t...
db.dba.sparql_rdb2rd...
db.dba.sparql_rdb2rd...
db.dba.sparql_rexec
db.dba.sparql_rexec_...
db.dba.sparql_rexec_...
db.dba.sparql_select...
db.dba.ttlp
db.dba.ttlp_mt
db.dba.ttlp_mt_local...
isref
__xml_get_ns_prefix
__xml_get_ns_uri
iri_split
rdfs_rule_set
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
VAD
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web & Internet
XML
XPATH & XQUERY

Functions Index

DB.DBA.RDF_VOID_STORE

Collects statistics for a given graph and saves it.
DB.DBA.RDF_VOID_STORE (in graph varchar, in to_graph_name varchar);
Description

Collects statistics for the first given graph and saves the result into the second graph. For correct results, the first graph should be loaded in the database before executing the function.

Parameters
graph – the graph iri string to take statistics from
to_graph_name – the graph iri string to write the void data.
Examples

SQL>DB.DBA.RDF_VOID_STORE('http://www.openlinksw.com/blog/~kidehen','http://mystatistics.com');
Done. -- 201 msec.

SQL>sparql
select *
from <http://mystatistics.com>
where {?s ?p ?o}
limit 30;

s                                                                                 p              o
VARCHAR                                                                           VARCHAR        VARCHAR
_______________________________________________________________________________

http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://www.w3.org/1999/02/22-rdf-syntax-ns#type      http://rdfs.org/ns/void#Dataset
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://www.w3.org/2000/01/rdf-schema#seeAlso         http://www.openlinksw.com/blog/~kidehen
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#Stat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#channelStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#EntryStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#BlogPostStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#OrganizationStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#ServiceStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#CommentStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#PersonStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#PersonalProfileDocumentStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#FeedStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#BriefcaseStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#SpaceStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#WeblogStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#OnlineAccountStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#UserStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#PointStat
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#sparqlEndpoint               http://leon:8894/sparql
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#containsLinks                http://www.openlinksw.com/blog/~kidehen#sameAsLinks
http://www.openlinksw.com/blog/~kidehen#Dataset                                   http://rdfs.org/ns/void#containsLinks                http://www.openlinksw.com/blog/~kidehen#seeAlsoLinks
http://www.openlinksw.com/blog/~kidehen#Stat                                      http://www.w3.org/1999/02/22-rdf-syntax-ns#type      http://purl.org/NET/scovo#Item
http://www.openlinksw.com/blog/~kidehen#Stat                                      http://www.w3.org/1999/02/22-rdf-syntax-ns#value     377
http://www.openlinksw.com/blog/~kidehen#Stat                                      http://purl.org/NET/scovo#dimension                  http://rdfs.org/ns/void#numOfTriples
http://www.openlinksw.com/blog/~kidehen#sameAsLinks                               http://www.w3.org/1999/02/22-rdf-syntax-ns#type                  http://rdfs.org/ns/void#Linkset
http://www.openlinksw.com/blog/~kidehen#sameAsLinks                               http://rdfs.org/ns/void#statItem                     http://www.openlinksw.com/blog/~kidehen#sameAsStat
http://www.openlinksw.com/blog/~kidehen#sameAsStat                                http://www.w3.org/1999/02/22-rdf-syntax-ns#type      http://purl.org/NET/scovo#Item
http://www.openlinksw.com/blog/~kidehen#sameAsStat                                http://www.w3.org/1999/02/22-rdf-syntax-ns#value     2
http://www.openlinksw.com/blog/~kidehen#sameAsStat                                http://purl.org/NET/scovo#dimension                  http://www.openlinksw.com/blog/~kidehen#sameAsType
http://www.openlinksw.com/blog/~kidehen#sameAsType                                http://www.w3.org/1999/02/22-rdf-syntax-ns#type      http://www.openlinksw.com/blog/~kidehen#TypeOfLink

30 Rows. -- 340 msec.
SQL>