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Data feed is a mechanism for users to receive updated data from data sources. It is commonly used by real-time applications in point-to-point[disambiguation needed] settings as well as on the world-wide web. The latter is also called Web feed. News feed is a popular form of Web feed. RSS feed makes dissemination of blogs easy. Product feeds play increasingly important role in e-commerce and internet marketing. Data feeds usually requires structured data. But, at the present time unstructured data, e.g. HTML pages, dominate the Web. As a result, data feeds have huge potential to make bigger impact on the Web in the future.
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Data feed formats
Emerging semantic data feed
The Web is evolving into a web of data or Semantic Web. Data will be encoded by Semantic Web languages like RDF or OWL according to many experts' visions. So, it is not difficult to envision data feeds will be also in the form of RDF or OWL. A big advantage of providing semantic data feeds, i.e. feeding data in Semantic Web standards, is that the data can then be readily consumed and reused by other computers. Examples of semantic data feed are available on the Ufeed online service. Ufeed allows users to create feeds in RDF format for various types of data, which include product information, news, events, job openings and studies.
Free or open-source tools/services
See also
- Semantic publishing
- RDF feed
- RSS
- Product feeds
- Data Feed Optimization
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