RDFStore-0.4

Changes for version 0.4 - 2001-06-18

This a major release. A lot of changes ahs been made to the storage system in parituclar the dbms/ TCP/IP has been compeltely updated and the Data::MagicTie BerkeleyDB has been updated to make properly DB locking to handle concurrency and avoid dead-locks situations. The API modified accordingly to the latest changes in the Stanford Java API 2001-01-19 distribution. (see http://www-db.stanford.edu/~melnik/rdf/rdf-api-2001-01-19.zip) The SiRPAC parser has been also updated accordingly to the latest W3C version at http://www.w3.org/RDF/Implementations/SiRPAC/
Updated documentation of all the perl modules and fixed a few typo warnings.
dbms/CHANGES
- added separated changes file for the DBMS module
Makefile.PL
- updated
RDFStore
- removed FindIndex module
RDFStore::Stanford::Vocabulary::Generator
- fixed bug in dumpVocabulary() when matching input namespace (escape plus signs) and output full qualified package variable names of voc properties
- fixed bug in createVocabulary() when check package name
- fixed miss-spelling bug in toPerlName()
- fixed a few warnings
- updated accordingly to new RDFStore::Model
RDFStore::Model
- modifed add() to return undef if the triples exists already in the database
- changed way to return undef in subroutines
- adapted to use the new Data::MagicTie interface
- complete re-design of the indexing and storage method
- added getOptions() method
- Devon Smith <devon@taller.pscl.cwru.edu> changed getDigestBytes() to generate digests and hashes that match Stanford java ones exactly
- added inheritance from RDFStore::Stanford::Digest::Digestable
- removed RDFStore::Stanford::Resource inheritance
RDFStore::Resource
- added check on local name when create a new Resource
- allow creation of resources from URI(3) objects or strings using XMLNS LocalPart
- hashCode() and getDigest() return separated values for localName and namespace if requested
RDFStore::SetModel
- updated accordingly to new RDFStore::Model
RDFStore::Parser::Styles::MagicTie
- modified Assert() to print only new statements
Data::MagicTie
- complete redesign of Data::MagicTie. Dropped Data::MagicTie::(DBMS|DB_File|BerkeleyDB) modules Everything is self contained in one model now.
- changed options labels
- modified mode option managemnt
- added checking if DBMS, BerkeleyDB, DB_File or SDBM_File styles can not be loaded
- changed way to return undef in subroutines
- remove db files directory if tie operation fails
- FIRSTKEY() and NEXTKEY() methods optimised
- use File::Path module to create and remove directories to be portable
- changed mode to DB_BTREE for DB_File TIEHASH
- added BerkeleyDB file locking in TIEHASH and TIEARRAY
- took off a few useless sync() calls
- dropped lr (local/remote) option
- dropped noft (no freeze/thaw) option
- added in-memory style
- added sharing option
- added SDBM_File default style
- fixed warning in _keyDB()
- added perl version checking for Data::MagicTie::Array methods
- added multiple reader/single writer locking support for DB_File
- does not generate multiple '.db' extensions to files in _tie()
t/
- updated magictie.t
- added rdfstore.t
samples
- zapped a few examples
- updated test.pl
samples/rdf
- zapped a few examples
samples/rdf/vocabularies
- zapped a few examples. Updated DAML and foaf schemas
- added RSS schema
- added XML infoset RDF Schema
- zapped DublinCore
- added 22-rdf-syntax-ns, rdf-schema, 13-dces and 13-dcq
RDFStore::Vocabulary::DCQ
- added DCQ vocabulary http://dublincore.org/2000/03/13-dcq#
RDFStore::Vocabulary::DC
- updated accordingly to RDFStore::Stanford::Vocabulary::Generator changes and http://dublincore.org/2000/03/13/dces#
RDFStore::Vocabulary::DAML
- updated accordingly to RDFStore::Stanford::Vocabulary::Generator changes and http://www.daml.org/2001/03/daml+oil.daml
RDFStore::Vocabulary::RDF
- updated accordingly to RDFStore::Stanford::Vocabulary::Generator changes
- removed rdf:Description, rdf:resource, rdf:about, rdf:aboutEach, rdf:anboutEachPrefix, rdf:ID, rdf:parseType, rdf:parseType (it is up to the application to build resources with them using $RDF::_Namespace)
RDFStore::Vocabulary::RDFS
- updated accordingly to RDFStore::Stanford::Vocabulary::Generator changes
RDFStore::Stanford::Digest::Util
- fixed stupid/braindead bug when disable warnings- Thanks to Marc Lehmann <pcg@goof.com>
- added getDigestAlgorithm() method
- Devon Smith <devon@taller.pscl.cwru.edu> changed digestBytes2HashCode() and toHexString() to generate digests and hashes that match Stanford java ones exactly
RDFStore::Parser::OpenHealth
- changed way to return undef in subroutines
- fixed warnings in getAttributeValue()
RDFStore::Parser::SiRPAC
- changed way to return undef in subroutines
- now creation of Bag instances for each Description block is an option
- fixed bug in getAttributeValue() when check attribute name
- fixed bug in setSource() when add trailing '#' char
- bug fixing by rob@eorbit.net
  - Some of the generated URIs were not prepended with #
  - The parser spits out lots of 'undefined value used' during the parsing process
- fixed warnings in getAttributeValue(), RDFXML_StartElementHandler()
- added GenidNumber parameter
- updated accordingly to http://www.w3.org/RDF/Implementations/SiRPAC/
- bug fix in reify() when generate the subject property triple
- added getReificationCounter()
RDFStore::Statement
- changed way to return undef in subroutines
- fixed warning in getDigest()
- updated new() equals() and added hashCode() accordingly to rdf-api-2001-01-19
- Devon Smith <devon@taller.pscl.cwru.edu> changed getDigest to generate digests and hashes that match Stanford java ones exactly
RDFStore::RDFNode
- fixed bug in hashCode() to avoid bulding the digest each time
- added inheritance from RDFStore::Stanford::Digest::Digestable
RDFStore::NodeFactory
- changed way to return undef in subroutines
- implemented createOrdinal()
RDStore::Literal
- modified getLabel() and getURI() to return a lebel even if the Literal is a BLOB (using Storable)
- updated equals() method to make a real comparison of BLOBs using Storable module
utils/
- updated rdf.pl, rdfingest.pl, rdfquery.pl and vocabulary-generator.pl
- updated dbcat
RDFStore::Stanford::Digest::Digestable
- added new module which represent objects that can produce a digest

Modules

Perl5 access to the dbms server.

Data::MagicTie

This module implements an adaptor like Perl TIE interface over hash and array that support BLOBs, delegation, duplicate keys, locking and storage splitting

RDFStore

This is a set of Perl modules that implement an object-oriented API to manipulate RDF models

RDFStore::Literal

An implementation of the Literal RDF API using Storable(3)

RDFStore::Model

An implementation of the Model RDF API

RDFStore::NodeFactory

implementation of the NodeFactory RDF API

RDFStore::Parser::OpenHealth

This module implements an RDF strawman parser for the syntax proposed by Jonathan Borden at http://www.openhealth.org/RDF/rdf_Syntax_and_Names.htm

RDFStore::Parser::SiRPAC

This module implements a streaming RDF Parser as a direct implementation of XML::Parser::Expat(3)