5
votes
What Linked Data serialization format to choose for our (now CSV) open data?
In order to make it into Linked Data and be easily reusable by as many mashups/apps/etc as possible..
It seems you are talking about RDF dumps, but there are other ways to provide access to RDF data, ...
- 2,955
5
votes
Accepted
Extract labels from Wikidata entity
You could do it with SPARQL:
SELECT ?wdLabel ?ooLabel
WHERE {
VALUES (?s) {(wd:Q42)}
?s ?wdt ?o .
?wd wikibase:directClaim ?wdt .
?wd rdfs:label ?wdLabel .
OPTIONAL {
?o rdfs:label ?...
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4
votes
Accepted
5-star Open Data rating scheme, are there URIs for the ratings?
I'm not sure I agree that you need to have any URI to demonstrate how open a set of data is. Either the data is open and shareable or it is not, the openness of the data is described by the openness ...
- 566
3
votes
Accepted
GIThub to share a set of SPARQL queries
You could allow users to upload/email .txt files containing queries, or upload URLs (e.g. pastebin, gist). Then your local code would read these .txt queries and add them to the repository (also ...
- 17.6k
3
votes
Get the details of all Indian films from Wikipedia
You can get all Wikidata items which are:
instance of (P31): film (Q11424)
origin from (P495): India (Q668)
with the following SPARQL query:
SELECT ?movie ?movieLabel WHERE {
?movie wdt:P495 wd:...
- 257
3
votes
Linked Open Data Statistics
LOD Cloud has some data/statistics from its beginnings, leading up to 2014, in a variety of formats:
LOD Cloud History
Related information:
LOD Cloud explains how they mined the data for their sets, ...
- 11.8k
3
votes
Accepted
Are there any dataset for psychology
The Thesaurus of Psychological Index Terms, published by one of your employer's (?) customers, is known now as Psychology Ontology.
This ontology is not even a taxonomy, but rather a flat list of ...
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3
votes
Any uses of JSON-LD?
This site used JSON-LD to markup their recipes and successfully got rich snippets in Google:
http://gracessweetlife.com/2010/06/cannoli-siciliani-the-ultimate-italian-pastry/
Example query:
https://...
- 131
2
votes
What examples are there of Linked Data/RDF being used for open data applications?
The Environment Agency in the UK produced a bathing water quality application for end users that is built on linked open data.
http://environment.data.gov.uk/bwq/profiles/
- 21
2
votes
Any uses of JSON-LD?
Current statistics: as of March 2020, JSON-LD is used by ~30% of all the websites.
https://w3techs.com/technologies/details/da-jsonld/all/all
(compare https://w3techs.com/technologies/...
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2
votes
Any uses of JSON-LD?
Our team is working on the idea of the Semantic Web based on JSON-LD. Since you are interested in this format, you may be interested in learning about the project as well.
WRIO Internet OS — All You ...
2
votes
What Linked Data serialization format to choose for our (now CSV) open data?
I would suggest just uploading it to https://data.world (disclaimer: I work there, but it's free). It's easy for other users to get it in a few different ways (whether it's a download, API, or a ...
2
votes
Is there a vocabulary for linking weather data?
Meteo is out there: http://purl.org/ns/meteo. I have no idea how well-used it is.
- 161
2
votes
making my data LOD-compatible
I suggest you to start from the W3C about Linked Data and how you should publish your own. I believe you will find everything you need on that paper. From their abstract:
This document sets out a ...
- 4,714
2
votes
Extract labels from Wikidata entity
You could try this one:
https://www.wikidata.org/wiki/Special:EntityData/Q42.ttl?flavor=full
Which generates RDF description of Q42 containing most of what you need I think (also available as .nt or ...
- 443
2
votes
GIThub to share a set of SPARQL queries
You should check out grlc
grlc, the git repository linked data API constructor, automatically builds Web APIs using SPARQL queries stored in git repositories.
Basically you use an github ...
- 21
2
votes
API to use Klink-2 Computer Science Ontology (CSO)
https://gist.github.com/VladimirAlexiev/fafdcb258d067cfed272664d6ae5d982 describes 6 datasets of Science Classification. Will keep it up to date as we progress.
One of them is CSO, which is now ...
- 276
2
votes
Accepted
API to use Klink-2 Computer Science Ontology (CSO)
It is unlikely that the entire Klink-2 Computer Science Ontology is openly available online.
The authors decide to monetize their research creating Rexplore.
It seems that the generated CSO ontology ...
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2
votes
Accepted
How to build a concept hierarchy using LOD?
Possible answers were listed in your previous questions.
Perhaps some upper ontologies contain what you need.
Another possible source is Wikidata. For example, this is SVM's page on Wikidata. As you ...
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2
votes
How to identify general terms using LOD?
There is no global "LOD hierarhy" of terms. There are various ontologies and knowledge bases, and each has its own idea of the world.
I'd use Wikidata items for the the terms that you've mentioned. ...
- 276
2
votes
Accepted
What is the hypernym field in DBpedia?
<http://purl.org/linguistics/gold/hypernym> is a property from the GOLD linguistic ontology.
See http://linguistics-ontology.org/gold/hypernym.
- 2,955
2
votes
Accepted
How do I extract certain articles from Arabic Wiki Dumps?
Here's the main page for Wiki{p,m}edia dumps:
https://dumps.wikimedia.org/
and the index of dumps:
https://dumps.wikimedia.org/backup-index.html
and for Arabic Wikipedia you'd select "ar" and "...
- 17.6k
2
votes
Meta collection or database of structured vocabularies
If you're looking for ontologies:
https://archivo.dbpedia.org/
https://lov.linkeddata.es/
But there's maybe 5k ontologies, how do you hope to overview them and learn about them? You should start ...
- 276
1
vote
Accepted
Vocabulary alignment in LDflex
The long-term answer here is reasoning based on ontologies.
A JSON-LD context alone indeed won't get us there. However, the ontological equivalence between foaf:name and schema:name can allow the ...
- 126
1
vote
Accepted
How to extract DBpedia infomation
Here below I'm using examples from comments to your previous question.
Linked Data Fragments
For simple queries, you could use Linked Data Fragments:
Query 1
Query 2
Add Accept: application/json ...
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1
vote
Accepted
YAGO entity details
YAGO Demo page lists two possible ways:
Explore YAGO with our graph browser (YAGO3)
Explore YAGO with our ontology browser (YAGO2)
You can find what you need using query builder.
There also ...
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1
vote
API to use Klink-2 Computer Science Ontology (CSO)
The Computer Science Ontology (CSO) is freely available at http://cso.kmi.open.ac.uk/ since 2018, and it can be downloaded in a variety of formats. You can also subscribe to the site and give your ...
1
vote
How to link a new dataset to an existing dataset?
First model the relationships from the geographic area and probably expand it more:
Dallas > located_in > Texas
Dallas > country > USA
Dallas > located_in > USA
Texas > ...
- 583
1
vote
5-star Open Data rating scheme, are there URIs for the ratings?
Short answer
You should create these URIs yourself, as well as mainteiners of all other DCAT catalogues.
Long answer
Look at Data Quality Vocabulary, which is based on DCAT. Consider the following ...
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