Virtuoso Open Source Edition News (2015)

Later Years

• 2016 to present

2015 News Announcements

2015-12-09 - Virtuoso Open-Source Edition 7.2.2 Released

New product features as of December 9, 2015, v7.2.2, include:

Virtuoso Engine

• Added support for reading bzip2 compressed files
• Added support for reading xz/lzma compressed files
• Added optimization for DATE/DATETIME/TIME escapes
• Fixed memory leaks

SPARQL

• Added option 3 to RDF_AUDIT_METADATA() which provides self-fixing of JSO based system metadata
• Added new JSO loader with bif_jso_validate_and_pin_batch
• Added new HTML output options to default /sparql endpoint page

Jena & Sesame

• Updated Jena provider to handle mapping of Jena Blank Nodes to Virtuoso Blank Nodes

JDBC Driver

• Added additional server-side settings
• Added initial testsuite for handling date values in JDBC provider

Faceted Browser

• Added aggregate query optimization for data across named graphs
• Added support for automatic sponging when no pre-existing data is in place for a target document
• Added using microdata as HTML metadata default instead of RDFa
• Added missing default privilege GRANTs

Conductor

• Added export function for stored private and public keys
• Added filters to IMAP DET folders
• Added support for FTP DET
• Added support for move and copy commands on some DETs
• Added support for prefix search, lookup, and verification to WebDAV/Briefcase Editor
• Added support for setting file expiration for WebDAV/Briefcase

WebDAV

• Added DETs move/copy commands
• Added IMAP DET filters to WebDAV browser
• Added last-modified attribute to Documents
• Added scheduler procedure for expired items
• Added support for FTP DET

2015-06-24 - Virtuoso Open-Source Edition 7.2.1 Released

New product features as of June 24, 2015, v7.2.1, include:

Virtuoso Engine

• Added support for TIMEZONE-less xsd:dateTime & DATETIME
• Added support for xsd:boolean
• Added new text index functions
• Added better handling of HTTP status codes on SPARQL graph protocol endpoint
• Added new cache for compiled regular expressions
• Added support for expression in TOP/SKIP
• Fixed cost based optimizer related bugs
• Fixed codegen in LEFT OUTER JOIN for ( ( A IS NULL ) OR ( A=B ) ) and similar expressions
• Fixed issue with conditional expression
• Fixed issue with SSL handshake in non-blocking mode
• Fixed issue with "Anytime Query" and GROUP BY
• Fixed issue with multistate ORDER BY
• Fixed CORS header handling
• Fixed memory leaks
• Updated documentation

SPARQL

• Added support for SPARQL GROUPING SETS
• Added support for SPARQL 1.1 EBV (Efficient Boolean Value)
• Added support for define input:with-fallback-graph_uri
• Added support for define input:target-fallback-graph-uri
• Fixed SPARQL queries with sub-selects
• Fixed SPARQL abs() should not convert result to INTEGER
• Fixed UNDEF is now a valid generic subexpression in SPARQL
• Fixed SQL codegen for SPARQL SELECT ... count(*) ...
• Fixed SPARQL issue with UNION with multiple BINDS
• Fixed handling of '*' in COUNT(*) and COUNT(DISTINCT *)
• Fixed handling of "plain box" constants
• Fixed handling of optional minus sign on SPARQL values
• Fixed SPARQL 1.1 Update target for ignore default graph from context but set from USING
• Fixed issue inserting triple with XML type
• Fixed issue with bad filter reduced to NULL
• Fixed return \uNNNN\uNNNN instead of \UNNNNNNNN in JSON strings
• Fixed issue with xsd:dayTimeDuration in codegen
• Fixed issue multiple OPTIONALs for a variable or nullable subq + optional

Jena & Sesame Compatibility

• Added support for using rdf_insert_triple_c() to insert BNode data
• Added support for returning xsd:boolean as true/false rather than 1/0
• Added support for maxQueryTimeout in Sesame2 provider
• Fixed blank node IRI mapping between frameworks and Virtuoso
• Fixed issue with insert data via Jena provider in XA transaction
• Fixed issue closing XA connection
• Fixed issue with DELETE query
• Fixed issue with blank nodes in DELETE constructor
• Fixed issues with Date/Time/DateTime literals
• Fixed corrupted literals with datatypes using Jena provider
• Removed deprecated class reference

JDBC Driver

• Added new methods setLogFileName and getLogFileName
• Added new attribute "logFileName" to VirtuosoDataSources for logging support
• Fixed issues logging JDBC XA operations and JDBC RPC calls
• Fixed JDBC driver did not use SQL_TXN_ISOLATION setting from init handshake
• Fixed throw exception when reading polygon geometry by JDBC
• Fixed issues with Date, Time and DateTime
• Fixed hang on PreparedStatement when using setFetchSize() method

Faceted Browser

• Added support for emitting HTML5+Microdata instead of RDFa as default HTML page
• Added query optimizations
• Added new footer icons to /describe page
• Fixed support for deep graph ACL checks
• Fixed user switch
• Fixed serialization issue
• Fixed HTML content detection
• Fixed labels
• Fixed bad font on Chrome

Conductor and DAV

• Added support for VAD dependency tree
• Added support for default vdirs when creating new listeners
• Added support for private RDF graphs
• Added support for LDP in DAV API
• Added option to create shared folder if not present
• Added option to enable/disable DET graphs binding
• Added option to set content length threshold for asynchronous sponging
• Added folder option related to .TTL redirection
• Added functions to edit turtle files
• Added popup dialog to search for unknown prefixes
• Added registry option to add missing prefixes for .TTL files
• Fixed DETs to work with new private graphs
• Fixed conflict using graph for share and LDP in WAC DELETE queries
• Fixed hrefs for resource paths in DAV browser
• Fixed issue deleting files from DAV
• Fixed issues with subfolders of ResFilter and CatFilter DETs
• Fixed labels

2015-02-11 -- Virtuoso Open-Source Edition 7.2.0 Released

New product features as of February 22, 2015, v7.2.0, include:

Virtuoso Engine

• Added new threadsafe / reentrant SQL parser
• Added support for using TLSF library for page-maps
• Added support for setting SSL Protocols and Ciphers
• Added support for new Unicode-3 based collations
• Added support for custom HTTPLogFormat
• Added support for quality factor in accept headers
• Added rate limiter for bad connections
• Added ODBC 3.x alias for current_date, current_time and current_timestamp
• Improved cost based optimizer
• Improved LDP support
• Improved XPER support
• Improved CSV support
• Fixed handling of regexp cache size and pcre_match depth limit
• Fixed handling of multibyte strings
• Fixed handling of NVARCHAR data with zeros in the middle
• Fixed handling of values in 10 day gap between Julian and Gregorian dates
• Fixed if expr in rdf object range condition, set super so they get placed once
• Fixed issue possibly reading freed block
• Fixed issue with TZ field without separator
• Fixed issue with duplicate hashes
• Fixed issue with invariant predicates
• Fixed issue with non chash DISTINCT GROUP BY with NULLs
• Fixed issue with user aggregates and chash flush
• Fixed issues with OUTER JOIN, ORDER BY, and GROUP BY
• Fixed sending IRI IDs to remotes when using 'WHERE 0'
• Fixed use SHA256 as default for certificate signing
• Fixed memory leaks and memory fragmentation
• Fixed SSL read/write error condition
• Fixed Windows build

GEO functions

• Added support for SPARQL INSERT with GEO literals
• Added support for upcoming proj4 plugin
• Fixed issue with RDF box with a geometry RDF type and a non-geometry content
• Fixed calculation of serialization lengths for GEO boxes
• Fixed compilation of a query with bif:st_intersects inside SERVICE {}
• Fixed serialization of GEO boxes
• Fixed intersect to working with other GEO shapes

SPARQL

• Added new SPARQL pragma: define sql:comment 0/1
• Added indicator when max rows is returned on /sparql endpoint
• Added new role, SPARQL_LOAD_SERVICE_DATA
• Added new client callable graph insert/delete/replace functions
• Added support for __tag of UNAME
• Added support for multiple SPARQL UPDATE commands
• Added support for xsd:gYear and the like
• Added support for CASE x WHEN ... and CASE WHEN in SPARQL
• Added support for 'HTML with nice turtle' output format
• Added TransStepMode option to virtuoso.ini
• Improved handling of FLOATs and DOUBLEs in SPARQL compiler
• Improved Turtle parser
• Fixed SPARQL DELETE DATA when a complete RDF box w/o RO_ID is passed as obj
• Fixed URI() is synonym for IRI()
• Fixed equality of unames and strings, iri strings
• Fixed issue eliminating empty {} in VALUE join
• Fixed issue with R2RML
• Fixed issue with XMLA
• Fixed issue with base graph when using 'with_delete' in bulkloader
• Fixed issue with multiple OPTIONAL
• Fixed issue with SPARQL ... WITH DELETE on certain datatypes
• Fixed issue with VARBINARY in RDF views
• Fixed printing optimized-away data rows of VALUES in sparql_explain() dump
• Fixed propagation of limits if SPART_VARR_EXTERNAL or SPART_VARR_GLOBAL variables present
• Fixed regression for SPARQL 1.1 VALUES bindings
• Fixed sort accented letters from "ORDER BY" in alphabetical order
• Fixed startup speed with many graph group members

Jena & Sesame

• Upgraded to Jena 2.12.0
• Added support for Bulk Loading
• Added support for Dataset method using defaultInsertGraph and defaultRemoveGraph
• Fixed handling of blank nodes
• Fixed transaction handling
• Fixed NullPointerException for SPARQL with OPTIONAL
• Fixed issue with statement leaks in older Virtuoso JDBC driver
• Fixed issue with class definitions and classcast exceptions
• Fixed issue with large datasets like Uniprot

JDBC Driver

• Enhanced Connection Pool implementation
• Added support for arrays for RDF Bulk loader
• Added JDBC4 compliant metadata required by JBOSS
• Fixed issue with statement leaks
• Fixed issue with RoundRobin if server out of license
• Fixed issue with stored procedures returning multiple resultsets
• Fixed issue with rewind on Virtuoso BLOB
• Fixed issue with batch procedure execution
• Fixed issue with dates
• Fixed issue with SQL_UTF8_EXECS=1
• Fixed issue with JDBC testsuite

Faceted Browser

• Added support for graph selection and persist in FCT state
• Added support for link out icons on certain doc and image links
• Added new description and sponger options as entity link types
• Added option for JSON output to FCT service
• Added GROUP BY to speed up DISTINCT
• Added precompiled queries to speed up usage.vsp
• Fixed base URI for crawlers
• Fixed color scheme
• Fixed graph perm check
• Fixed handling of foaf:depiction
• Fixed handling of iframe
• Fixed issue when lang is missing to FCT service
• Fixed issue with dateTime
• Fixed issue with double quotes in literals
• Fixed issue with nodeID
• Fixed issue with null graphs
• Fixed labels
• Fixed links

2014 News Announcements

2014-02-17 -- Virtuoso Open-Source Edition 7.1.0 Released

New product features as of February 17, 2014, v7.1.0, include:

Engine (SQL Relational Tables and RDF Property/Predicate Graphs)

• Enhancements to cost-based optimizer
• Added optimization when splitting on scattered INSERTs
• Added optimization on fetching col seg
• Added support for multi-threaded sync/flush
• Added support for ORDERed COUNT DISTINCT and exact p stat
• Added new settings EnableMonitor
• Added BIFs
  • key_delete_replay()
  • set_by_graph_keywords()
  • tweak_by_graph_keywords
  • vec_length()
  • vec_ref()
  • x509_verify_array()
  • xenc_x509_cert_verify_array()
• Added new functions
  • bif_list_names()
  • bif_metadata()
• Added new general-purpose HTTP auth procedure
• Added support for local dpipes
• Added support for session pool
• Added option to allow restricting number of id ranges for new IRIs
• Added support for execution profile in XML format
• Added support for PL-as-BIFs in SPARQL
• Improved I/O for geometries in SQL
• Fixed geo cost of non-point geos where no explicit prec
• Fixed re-entrant lexer
• Fixed RPC argument checks
• Fixed memory leaks
• Fixed compiler warnings
• Treat single db file as a single segment with one stripe
• Updated testsuite

Geometry functions

• Added initial support for
  • geoc_epsilon()
  • geometrytype()
  • st_affine() (2D trans only)
  • st_geometryn()
  • st_get_bounding_box_n()
  • st_intersects()
  • st_linestring()
  • st_numgeometries()
  • st_transform_by_custom_projection()
  • st_translate()
  • st_transscale()
  • st_contains()
  • st_may_contain()
  • st_may_intersect()
• Added new BIFs for getting Z and M coords
• Added support for <(type,type,...)type::sql:function> trick in order to eliminate conversion of types on function call
• Optimization in calculation of GCB steps to make number of chained blocks close to square root of length of the shape
• Fixed geo box support for large polygons
• Fixed mp_box_copy() of long shapes
• Fixed range checks for coordinates
• Fixed calculation of lat/long ratio for proximity checks
• Fixed bboxes in geo_deserialize
• Fixed check for NAN and INF in float valued geo inx
• Fixed check for NULL arguments
• Minor fixes to other geo BIFs

Geometry Data Types

• Support for the following geometry data types are available
  • Point
  • MultiPoint
  • LineString
  • MultiLineString
  • Box
  • Polygon
  • MultiPolygon
  • GeometryCollection

SPARQL

• Added initial support for list of quad maps in SPARQL BI
• Added initial support for vectored IRI to ID
• Added initial support for SPARQL valid()
• Added new codegen for initial fill of RDB2RDF
• Added new settings CreateGraphKeywords, QueryGraphKeywords
• Added new SPARQL triple/group/subquery options
• Added missing function rdf_vec_ins_triples
• Added application/x-nice-microdata to supported SPARQL results output formats
• Added support for built-in inverse functions
• Added support for GEO-SPARQL wkt type literal as synonym
• Added support for the '-' operator for datetime data types
• Fixed issues in handling GEO predicates in SPARQL
• Fixed RDF views to use multiple quad maps
• Fixed issues with UNION and BREAKUP
• Fixed dynamic local for vectored
• Fixed Transitivity support for combination of T_DIRECTION 3 and T_STEP (var)
• Fixed handling of 30x redirects when calling remote endpoint
• Fixed support for MALLOC_DEBUG inside SPARQL compiler
• Fixed TriG parser

Jena & Sesame

• Improved speed of batch delete
• Removed unnecessary check that graph exists after remove
• Removed unnecessary commits
• Replaced n.getLiteralValue().toString() with n.getLiteralLexicalForm()

JDBC Driver

• Added statistics for Connection Pool
• Fixed speed of finalize

Conductor and DAV

• Added trigger to delete temporary graphs used for WebID? verification
• Added new CONFIGURE methods to DETs to unify folder creation
• Added new page for managing CA root certificates
• Added new pages for graph-level security
• Added verify for WebDAV DET folders
• Added creation of shared DET folders
• Fixed creation of ETAGs for DET resources
• Fixed DAV rewrite issue
• Fixed DAV to use proper escape for graphs when uploading
• Fixed issue deleting graphs
• Fixed issue uploading bad .TTL files
• Fixed issue with DAV QoS? re-write rule for text/html
• Fixed issue with user dba when creating DET folders
• Fixed normalize paths procedure in WebDAV
• Fixed reset connection variable before no file error

Faceted Browser

• Added missing grants
• Added graph param in FCT permalink
• Changed labels in LD views
• Changed default sort order to DATE (DESC)
• Copied virt_rdf_label.sql locally
• Fixed double quote escaping in literals
• Fixed FCT datatype links
• Fixed the curie may contain UTF-8, so mark string accordingly
• Changed describe mode for PivotViewer link

Previous Years

• 2013
• 2012
• 2011
• 2010
• 2009
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• 2007
• 2006

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