Changes between Initial Version and Version 1 of Historical/KarenNotes

10/03/05 12:35:34 (17 years ago)



  • Historical/KarenNotes

    v1 v1  
     1= Karen's Historical Notes = 
     3The link to Karen's notes is throwing a server error, so here's what I got from's Wayback Machine. 
     10Rick and I talked about on what level we should describe data: e.g., a 
     11single data set or a collection of data set. 
     13Different data archives organize their data differently. The 
     14searchable unit can be either a single FITS data set or a collection 
     15of them. 
     17One possible senario is to describe data at a level searchable by its 
     18archive, with the archive specific information encaptulated as a field 
     19in the XML meta-data desription to facilitate query 
     20translation. Alternatively, the XML meta-data description can 
     21incorporate the organizational structure of different data archives. 
     25Report on DM from NVO project 
     27UML object-oriented data modeling language 
     29SOAP vs XML-RPC 
     31service model:  
     32  resource registration 
     33  resource discovery 
     35usage scenario 
     36 100 questions for the NVO 
     40GridPP the grid for uk particle physics, useful links to recommended 
     43AML (astromical markup language) Damien Guillaume 
     45Level of service registration: 
     46- entire data archive 
     47- individual data set 
     49What is the pros and cons of either approach? -- plan to read Ninja 
     54What can a data archive do?  
     55- storage 
     56- basic data search depending on database organization 
     57- data analysis? require computing resources 
     58the first two items already exist. the last item may not. 
     60from the original proposal:  
     63data archive 
     64- geographically distributed 
     65- diversely organized 
     66- provide individually tailored access services 
     68data interoperability: translation among 
     69- data descriptions  
     70- data format 
     71-> determine the semantics of XML representation 
     73access interoperability: translation among 
     74- different search engines 
     75-> reformulate XML search into source-specific search 
     78The NVO approach: 
     79ask some questions and see what we need to solve these problems  
     80-> identify service units, perhaps also data models. 
     84Service Discover Service: 
     85hierarchical structure 
     88query distributed video database  
     93Fri, 24 May 2002 about 11 AM