sparql-playground | standalone multi-platform web application | Data Manipulation library
kandi X-RAY | sparql-playground Summary
kandi X-RAY | sparql-playground Summary
SPARQL playground is a standalone multi-platform web application used to learn SPARQL (implemented in Java Spring Boot and AngularJS). It uses Sesame 2.8.6 as SPARQL Engine. It is beeing developed at the SIB Swiss Institute of Bioinformatics. See the poster to have a quick overview of the tool. Or see a live demo directly here: You can also see a live version of nextprot samples here:
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Top functions reviewed by kandi - BETA
- Initializes the native repository
- Recursively add ttl files
- Download a pdf from an asset
- Streams the given file to the output stream
- Performs SPARQL query
- Renders the query results
- Returns the view of the given query type
- Returns the corresponding FileFormatServiceRegistry
- Handle error handling
- This method is used to handle SPARQL query parameters
- Initialize the prefixes
- Add view controllers
- Writes triples as text
- Load text from string
- Get number of triples
- Test triples file
- Main method of the application
- Removes data
sparql-playground Key Features
sparql-playground Examples and Code Snippets
Community Discussions
Trending Discussions on sparql-playground
QUESTION
I have multiple trees where nodes are linked with hasParent
and each node has some particular color. I need to filter a tree by a color and extract the topmost elements (exclude nested elements after filtering).
Here is an example of my data:
The result I need is: [A, B, I]
.
I know how to implement basic tree filter that returns [A, B, I, J, L, O]
:
ANSWER
Answered 2021-Sep-29 at 10:59SELECT DISTINCT ?s WHERE {
?s "yellow"^^xsd:string .
FILTER NOT EXISTS {
?s hasParent+ [ "yellow"^^xsd:string] .
}
}
QUESTION
Given the following schema, "driver-passenger" lineages can be easily seen:
...ANSWER
Answered 2020-Sep-24 at 22:25This one seems to do the trick:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install sparql-playground
Unzip the folder and run the start script (start.bat for windows users or start.sh for unix users) (it requires java 1.7 or higher)
Once the application started you should open your browser on: http://localhost:8888
Select the examples and click on the GO button
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