PUBLIC MARKS with tags api & rdf

this document defines an API for extracting structurated information from web pages, using the RDFa formalism.

4store, an efficient, scalable and stable RDF database. Système de gestion de base de données RDF open source pour des grands volumes de données (annonce 15 milliards de triplets !!). Propose un sparql endpoint, une API REST pour ajouter ou enlever des données, un système de backup. Pas de précision sur la façon de supporter les graphes nommés. Pas de support de Jena ou Sesame.

DBpedia is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to make sophisticated queries against Wikipedia, and to link other data sets on the Web to Wikipedia data.

There is already a lot of structured data accessible on the Web through Web 2.0 APIs such as the eBay, Amazon, Yahoo, and Google Base APIs. Compared to these APIs, Linked Data has the advantage of providing a single, standardized access mechanism instead of relying on diverse interfaces and result formats.

The goal of RDF Alchemy is to allow anyone who uses python to have a object type API access to an RDF Triplestore.

Flickcurl is a library for calling the Flickr web service API, handling the API signing and the token management plus providing wrappers for some of the APIs.

This utility uses the photos.getInfo API to interpret the description fields and the tags for a photo URI into RDF triples. If raptor is present, it will be used to provide proper serializing to RDF rather than the built in and hacky ntriples/turtle output. Machine tags when they are found are scanned for xmlns:prefix=uri and then all other machine tags with that prefix turn into triples. Several prefixes are also pre-defined by the library to automatically get turned into triples without an xmlns, such as blue:, cell:, filter: and geo:. Non-machine tags are not yet interpreted.

« # Wait, aren't machine tags just RDF ? No, machine tags are not RDF; they could play RDF on television, though. »

ARC - RDF and SPARQL for PHP developers is a lightweight, SPARQL-enabled RDF system for mainstream Web projects. It is written in PHP and has been optimized for shared (or otherwise performance- or privilege-limited) Web environments.

RAP is a software package for parsing, searching, manipulating, serializing and serving RDF models.