GoodRelations is an ontology for linking product descriptions and business entities on the Web.
A promising application domain for Semantic Web technology is the annotation of products and services offerings on the Web so that consumers and enterprises can search for suitable suppliers using products and services ontologies. [...] Particularly missing is an ontology that allows describing the relationships between (1) Web resources, (2) offerings made by means of those Web resources, (3) legal entities, (4) prices, (5) terms and conditions, and (6) the aforementioned ontologies for products and services.
GoodRelations is a lightweight ontology for annotating offerings on the Web.
Tools:
GoodRelations Annotator
Describe your business on the Linked Data Web for eCommerce.:
With this on-line service, you can create a machine-readable description of your business and your range of products using the GoodRelations vocabulary for e-commerce. Such meta-data will be considered by leading-edge search engines and recommender systems. See here for instructions on how to publish the data on the Web.
Google Product Feed Converter
Converts Google Shopping feeds into GoodRelations data for the Web
Supported formats: RSS 1.0, RSS 2.0, Atom 0.3, Atom 1.0 and tab-delimited data
RDF2DataRSS converter
Useful for publishing RDF in Yahoo! SearchMonkey
This tool converts RDF/XML or N3 content into DataRSS feeds as accepted by Yahoo SearchMonkey. The tool can be used to feed GoodRelations-based e-commerce descriptions into the Yahoo family of technology.
Hint: Use the GoodRelations Annotator tool to describe your business.
Applications
- List of software for which we would like to see GoodRelations import and export interfaces
- Yahoo! SearchMonkey
- Plug-in for osCommerce Shop Software
- Plug-in for Joomla/Virtuemart CMS/Shop combo
- The RDF Book Mashup at FU Berlin, now with GoodRelations support
- Second variant of the GoodRelations-enhanced Amazon Book Mashup
- GoodRelations SearchEngine (alpha – work in progress)
Improve your e-commerce shopping experience.

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[...] il sistema che ha messo a punto Martin Hepp, presso l’Università di Monaco di Baviera, GoodRelations, in base al quale (”deep comparison shopping”) i prodotti sono confrontabili on line. [...]