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h1. Karma
[http://www.isi.edu/integration/karma/]
Karma is a Data Integration Tool by USC. It enables users to quickly and easily integrate data from a variety of data sources including databases, spreadsheets, delimited text files, XML, JSON, KML and Web APIs to RDF.
- [http://www.isi.edu/integration/karma/]: the Karma website is very informative, including papers and videos.
It describes applications to biosciences, cultural heritage (Smithsonian), geo mashups, web APIs (eg Twitter).
It describes applications to biosciences, cultural heritage (Smithsonian), geo mashups, web APIs (eg Twitter).
- It includes a nice graphical tool for creating the semantic mapping of data, and a nice informative way of presenting it, eg:
!Karma-biomedical-mapping.png!
!Karma-biomedical-mapping.png!
- It includes Builds the mapping semi-automatically: uses field pattern learning (based on Conditional Random Fields) and ontology graph traversal to help the user construct the mapping.
- Property domain and range definitions are very important for Karma's work. I think that CRM is a bit too abstract to be an appropriate target for Karma, but it would be interesting to try
- Stronger semantic capabilties than Google Refine, but weaker (or no) data munging capabilities (see review below)
- I wonder if it an be integrated with the RDB2RDF W3C standard, and maybe with Ultrawrap.
- I wonder if it an be integrated with the RDB2RDF W3C standard, and maybe with Ultrawrap.
- Karma is a data structure mapping tool, not an individual (term) matching tool. The latest application (see below) includes term matching, but no tool support
