Last.fm extractors

Last.fm offers numerous data feeds. Wandora is capable to convert some of these data feeds to topic maps. Last.fm extractor begins with menu option File > Extract > Last.fm extractor.... Last.fm extractions doesn't require user authentication. Extractor opens data feed selection dialog. Wandora extracts

• Similar artists. Reads related artists for given artist name.
• Artist's top albums. User must identify artist before extraction is accomplished. Wandora reads top albums of given artist.
• Artist's top tags. User must identify artist before extraction is accomplished. Wandora reads top tags attached to given artist.
• Artist's top tracks. User must identify artist before extraction is accomplished. Wandora reads top tracks of given artist.
• Overall top tags. This extractor doesn't require input. Extractor reads most used tags from Last.fm and builds topic for each tag.
• Top albums with tag. This extractor assumes Wandora user enters tag name. Wandora reads Last.fm data feed of tagged albums and builds topic and associations.
• Top artists with tag. This extractor requires Wandora user to enter a tag name. Wandora reads Last.fm data feed of tagged artists and converts it to topics and associations.
• Album info. This extractor takes artist and album name as the input and gets track information.

Old Audioscrobbler extractors

Last.fm extractor described in previous chapter is a front end for several different Audioscrobbler extractors. Wandora still contains all these different Audioscrobbler extractors.. However, user must activate extractor tools with tool manager.

• Audioscrobbler Album: Info extractor converts Album's info to topic map.
• Audioscrobbler Artists: Related Artists extractor converts XML feed of Similar artists to a topic map.
• Audioscrobbler Artists: Top Albums extractor converts XML feed of Top albums to a topic map.
• Audioscrobbler Artists: Top Tags extractor converts XML feed of Artist's top tags to a topic map.
• Audioscrobbler Artists: Top Tracks extractor converts Artist's top tracks to a topic map.
• Audioscrobbler Tags: Top Albums extractor converts Top albums with a specific tag to a topic map.
• Audioscrobbler Tags: Top Artists extractor converts Top artists with a specific tag to a topic map.
• Audioscrobbler Tags: Top Tags extractor converts Top tag list to a topic map.

All extractors require explicit URL for the XML feed. Complete list of Last.fm's web apis and use policy is found at http://www.audioscrobbler.net/data/webservices/.