Open Issues
- post-consolidation queries sometimes still contain smushed-away resources (suggested fix: split the o2val/s2val tables)
Closed Bugs
- With MySQL 4.0.x, the temporary tables are not always cleaned up properly, which can lead to long-running processes [fixed, testing]
- the ID/Value lookup is inefficient and leads to full table scans (by Peter Krantz) [fixed]
- The SemHTMLParser should replace HTML entities with actual characters [fixed via html_entity_decode, if available]
- The RDFa Extractor types multi-line plain literals as rdf:XMLLiterals [fixed]
- the RDFa extractor creates more triples than wanted [fixed (sort-of), removed RDFa from the default extractors]
- The TableManager class has problems with newer MySQL versions (no default allowed in TEXT) [fixed]
- Make auto-adding of arc:label triples in DESCRIBE queries a config option (default: off) [fixed]
- The Turtle Serializer has problems with literals that contain a mix of single and double quotation marks [fixed, testing]
- RDF Collections are not parsed correctly [fixed]
- The IRC logger has problems with multiple messages within a single second [fixed]
- mysql_real_escape_string is sometimes called w/o an active DB connection, which makes it fail [fixed]
See the
release notes for changes in the latest revisions.
Recently implemented
- Support for predefined namespaces in the SPARQL Parser (by Michael Hausenblas) [done]
- Easy drop-in directory for SPARQL+ triggers (à la "onLOAD: do foo") (by Dan Brickley) [done]
- Support for POSTs in the WebReader class (by Morten Frederiksen) [done]
- A script for file updates via SPARQL INSERTor DELETE (by Tim Berners-Lee) [done: Data Wiki Plugin]
- An ARC wordpress plugin (by Dan Brickley) [done]
- An N-Triples parser or an enhanced Turtle parser with support for N-Triples' unicode escape syntax (by Morten Frederiksen) [done, without un-escaping the escaped chars, though]
- Support for ARC "plugins" (by Morten Frederiksen) [done]
Feature Requests
- Split-up the triple table space for improved scalability and performance
- Support for mysqli
- Speed-up the LOADers by consuming ARC's internal structures directly (i.e. w/o the Turtle round-trip) (by Morten Frederiksen)
- Definition of a default namespace in the RDF/XML Serializer (by Ivan Garcia Tora)
- Stand-alone microformats extractor(s)
- In-Memory SPARQLing
- Add database (not just table) creation to setUp method (by Tuukka Hastrup)
