Content of the etherpad (aren’t etherpad deleted after some times?) pasted here for backup:
Ehterpad for Session D.1 A distributed data architecture for sharing energy
If you are interesed in further information on the project, leave your e-mail here or drop me a message carsten.hoyer-klick@dlr.de, we will set up a newletter from the project.
Session: D.1 A distributed data architecture for sharing energy
Moderation:
Carsten Hoyer-Klick (DLR)
Participants:
Ludwig HĂĽlk (RLI) #OpenScience
Christian Hofmann (RLI)
Simon Worthington (TIB)
Notes:
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13:20 Introduction to distributed data infrastructures and Linked Open Data (LOD)
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Data of peer-reviewed Papers is commonly 2-3 years old
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Goals:
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unified description of data
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proper licensing
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flexible extendable networked data infrastructure
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interfaces to GEOSS
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interfaces to models
Sebastian Hellmann:
presentation URL: [https://](https://tinyurl.com/dbpedia-openmod-2020)[tinyurl.com/dbpedia-openmod-2020](https://tinyurl.com/dbpedia-openmod-2020)
Use open licenses!
licenses in machine readable format:
https://dalicc.net/license-library
Databus project to reference open data by providing and storing meta data (tracability)
https://databus.dbpedia.org
Saves data cleansing effort because mappings are saved and shared online
Open Data Initiatives:
- reegle
- OEP
- OPSD
- IPCC
- GEOSS: data standards for geo data
- MESOR project for open solar data
https://dbpedia.org
WSDL
Open EI Open Energy Information Szenario B, OPSD -> Open data Initiatives
Patrick Kuckertz:
Group activity:
Copy this template for each group and fill out:
— --- — --- TEMPLATE
Identification of problematic use cases in regards to currently used data infrastructures
A) Please generally state the most problematic data handling related use cases you are confronted with in your every day work? (max. five sentences each)
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-
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B) Please select the use case with the highest priority from your above list and describe and/or scetch it in detail. (use back side if necessary)
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Which use case did you select?
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Who is the primary actor of the process?
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Which other stakeholders / systems are involved?
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What triggers the process (pre-conditions)?
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What are the goals of the process (post-conditions)?
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What information is exchanged between the actors / systems?
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What are the individual process steps and their chronological order?
— --- — --- TEMPLATE
— --- — --- Anonymus1
Identification of problematic use cases in regards to currently used data infrastructures
A) Please generally state the most problematic data handling related use cases you are confronted with in your every day work? (max. five sentences each)
-
-
-
B) Please select the use case with the highest priority from your above list and describe and/or scetch it in detail. (use back side if necessary)
-
Which use case did you select?
-
Who is the primary actor of the process?
-
Which other stakeholders / systems are involved?
-
What triggers the process (pre-conditions)?
-
What are the goals of the process (post-conditions)?
-
What information is exchanged between the actors / systems?
-
What are the individual process steps and their chronological order?
— --- — --- TEMPLATE
Demo Log Output
slides: http://tinyurl.com/dbpedia-openmod-2020
Command:
bin/DatabusClient -f ttl -c gz -s query.query
##################################
LOG
========================================================
TASK:
convert file(s) from query:
PREFIX dataid: http://dataid.dbpedia.org/ns/core#
PREFIX dataid-cv: http://dataid.dbpedia.org/ns/cv#
PREFIX dct: http://purl.org/dc/terms/
PREFIX dcat: http://www.w3.org/ns/dcat#
SELECT DISTINCT ?file WHERE {
?dataset dataid:version <https://databus.dbpedia.org/kurzum/mastr/bnetza-mastr/01.04.00> .
?dataset dcat:distribution ?distribution .
?distribution dcat:downloadURL ?file .
?distribution <http://dataid.dbpedia.org/ns/core#formatExtension> 'csv'^^<http://www.w3.org/2001/XMLSchema#string> .
?distribution <http://dataid.dbpedia.org/ns/cv#type> 'hydro'^^<http://www.w3.org/2001/XMLSchema#string> .
}
to destination:
/home/shellmann/IdeaProjects/databus-client/files
========================================================
DOWNLOAD TOOL:
Files to download:
http://dbpedia-mappings.tib.eu/databus-repo/kurzum/mastr/bnetza-mastr/01.04.00/bnetza-mastr_rli_type=hydro.csv.bz2 --> already exists in Cache
========================================================
CONVERSION TOOL:
input file: /home/shellmann/IdeaProjects/databus-client/target/databus.tmp/cache_dir/dbpedia-mappings.tib.eu/databus-repo/kurzum/mastr/bnetza-mastr/01.04.00/bnetza-mastr_rli_type=hydro.csv.bz2
output file: /home/shellmann/IdeaProjects/databus-client/files/kurzum/mastr/bnetza-mastr/01.04.00/bnetza-mastr_rli_type=hydro.ttl.gz
MappingInfoFile: https://raw.githubusercontent.com/dbpedia/format-mappings/master/tarql/1.ttl#this
Used CSVOptions:
Delimiter: ;
EscapeCharacter:null
QuoteCharacter: null
Encoding: null
http://data.rli.de/ontology/SME922277414628 @rdf:type http://data.rli.de/ontology/bnetza-mastr_type
http://data.rli.de/ontology/SME922277414628 @http://dbpedia.org/ontology/Name “Wasserkraftanlage Kettwig”
http://data.rli.de/ontology/SME922277414628 @http://data.rli.de/ontology/hydro_einheitart “Stromerzeugungseinheit”
http://data.rli.de/ontology/SME922277414628 @http://data.rli.de/ontology/Id “250”^^http://www.w3.org/2001/XMLSchema#integer
http://data.rli.de/ontology/SME968170947832 @rdf:type http://data.rli.de/ontology/bnetza-mastr_type
http://data.rli.de/ontology/SME968170947832 @http://dbpedia.org/ontology/Name “Schliffgesmühle”
…
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