Changes between Version 9 and Version 10 of DiscoveryComponents


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Timestamp:
29/04/10 12:38:25 (9 years ago)
Author:
mpritcha
Comment:

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  • DiscoveryComponents

    v9 v10  
    1212[[Image(DiscoveryComponents.png, 60%)]] 
    1313 
    14 '''Data Providers''' create metadata documents describing '''data resources'''. These are '''published''' by each data provider to make them available for others to access. An '''automatic process''' gathers or "harvests" these documents from each data provider, and '''ingests''' them into a '''database''' where they are stored alongside those from other data providers. Data providers have control over their publishing tool via an '''admin interface'''. 
     14[#DataProvider Data Providers] create metadata documents describing '''data resources'''. These are '''published''' by each data provider to make them available for others to access. An '''automatic process''' gathers or "harvests" these documents from each data provider, and '''ingests''' them into a '''database''' where they are stored alongside those from other data providers. Data providers have control over their publishing tool via an '''admin interface'''. 
    1515A '''web service''' carries out searches of this '''database''' in response to search requests received from a '''search interface''', possibly hosted by a third party as part of a '''web portal'''. The web service returns results back to the search interface, for presentation by the search inteface to display to the '''user'''. '''Search tools''' included in the search interface help the user construct search requests based on time periods, geographic areas and text terms from '''standard vocabularies''', provided by a '''vocab server'''. 
    1616 
    1717== Definitions == 
    1818 
    19  '''Data provider''':: 
     19=== Data provider === 
     20 
    2021   Organisation (e.g. NERC data centre) that produces metadata records and publishes them via OAI. 
    2122 
     
    4748   A presentation-less web service (similar in nature to the discovery web service) that can receive requests for listing the contents of particular '''controlled vocabularies'''. 
    4849 
    49  '''Controlled vocabularies'''::: 
     50 '''Controlled vocabularies''':: 
    5051   Community-maintained lists of standard terms (and their definitions), for use within particular scientific domains, so that users are able to point at a particular term for a non-ambiguous definition of a concept. 
    5152