Online Demos
CTag
CTag is a system that efficiently obtains the semantic meanings and contexts of social tags within a particular folksonomy, and exploits them to create semantically contextualised tag-based user and item profiles.
The following are links to CTag online context viewer and profile bilder (recommended Web browsers: Firefox, Safari and Chrome, on MS Windows).
Web Services
CTag Context Service
- http://mercurio.ii.uam.es:8080/SemanticTagService/resources/tag/cluster
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Invocation example:
http://mercurio.ii.uam.es:8080/SemanticTagService/resources/tag/cluster? tag=sf&method=cosine_aggregation_20_5&dataset=delicious-small&num_clusters=4&cluster_tags=false
CTag Contextualised Profile Service
- http://mercurio.ii.uam.es:8080/SemanticTagService/resources/tag/profile
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Invocation example:
http://mercurio.ii.uam.es:8080/SemanticTagService/resources/tag/profile?clustering_method=jaccard_aggregation_20_5&dataset=movielens&model=simple&extension_factor=0.2&input_profile=martial%20arts,0.8,%20bruce%20lee,%200.3
Datasets
The datasets have been released in the framework of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems (HetRec 2011)
- MovieLens-IMDb-RottenTomatoes
- Delicious
- Last.fm