6
votes
Why is the Open World assumption so central to the semantic web?
Speaking as a practitioner, this is my best understanding of the open-world-assumption - I never really found a good explanation of its impacts. I would kindly invite anyone to correct or extend on ...
- 161
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, ...
- 2,965
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
Where can I find databases in .rdf or in .ttl format
Information Retrieval Dataset - Internet Movie Database (IMDB)
Description
This dataset was constructed for an Information Retrieval research project to obtain a master's degree at the Federal ...
- 1,721
3
votes
How to find the wikidata ID of a DBpedia concept?
Q1: Are all DBpedia concepts associated with its relevent wikidata ID?
Those kind of links are usually generated by the people on either side into the direction of the other side. Since it is ...
- 131
3
votes
Accepted
What tool can I use to manage a researcher network bibliography?
ORCID provides a persistent digital identifier that distinguishes you from every other researcher and, through integration in key research workflows such as manuscript and grant submission, supports ...
- 11.9k
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 ...
- 2,965
3
votes
Accepted
How to embed licenses within SVG?
This is not RDFa, but rather embedded RDF/XML, which is allowed by the SVG Tiny 1.2 Specification.
There are the following errors:
<cc:license>
instead of
<cc:License>
in lines 26, ...
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3
votes
How can I download the complete Wikidata database?
As you already found out the Dumps of wikidata are readily available and can be downloaded and unzipped in a few hours. Getting a proper RDF database server running with such dumps is another story.
...
- 131
3
votes
How can I download the complete Wikidata database?
Additionally to what is described in other answers, there is a Wikidata RDF dump which is used for the Wikidata query service. The format is described in RDF data format article.
- 443
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
Accepted
A license catalog project with RDF description, exist?
The criteria for grouping "semantically equivalent licenses" might be implemented as an external HTTP REST service. There are already some services based on that dataset running here: http://licensius....
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
Can we use DBpedia for identifying Polysemy of words?
First, I assume all NLP-related aspects are subtracted from your question.
DBpedia is considered as belonging to the Linguistic Linked Open Data Cloud (interactive SVG), but I'd suggest to try more ...
- 2,965
2
votes
Data integration tool that supports Semantic Web
I would suggest looking at https://data.world for the data aggregation right now (disclaimer, I work there...but it's a free resource). You can aggregate multiple data sources quite easily. Our entire ...
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
How to get specific wikipedia data?
Data dumps are at https://dumps.wikimedia.org/enwiki/20181201/ (currently). Article content (source code) is in the pages-articles files (e.g. enwiki-20181201-pages-articles.xml.bz2 is all pages in a ...
- 216
2
votes
How to get specific wikipedia data?
For the later (categories, pages,...) I recommend using the various dumps that are available from the Wikidata project. The dumps are available at the Wikimedia dumps source. The RDF format is ...
- 121
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
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.
- 2,965
1
vote
Accepted
Linking data and making it available as linked data
If the source doesn’t provide a URI which represents the work/concept (in addition to the URI that represents the actual image file, and separate from a webpage about the photograph),
I think it makes ...
1
vote
Accepted
Does it make sense to restrict the meaning of an external entity for our purposes?
This is what rdfs:subClassOf/rdfs:subPropertyOf is for. So yes, recreate these classes in your own namespace, narrowing the meaning.
If you can express the restriction in terms of an owl:...
- 246
1
vote
Where can I find databases in .rdf or in .ttl format
You can query DBPedia yourself, and ask it for information about certain Musicians.
The shell command
curl -sL -H "Accept: text/turtle" "http://dbpedia.org/resource/Iggy_Pop"
...
- 1,227
1
vote
How to get the path details between two nodes in DBpedia in SPARQL
Your question shows <> which is not a valid property or wildcard.
You cannot use property variables (wildcards) in property paths.
So you need to understand the structure of how dct:subject and ...
- 276
1
vote
Ontology for theme of a text
For a straight theme, use <doc> dc:subject "foo"
To add confidence, you can use RDF*:
<< <doc> dc:subject "foo" >> my:confidence 0.962
But maybe RDF* is ...
- 276
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 ...
- 2,965
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
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
Which RDF predicates to use to annotate: fileX "has hash" 01ABCF "of type" sha256 "downloaded from site" http://url/to/page?
Use Wikipedia urls to identify the hash type.
(That's 5 star out of the box)
For your other questions use Linked Open Vocabularies.
If that fails, use your own URLs (5 star please) and if you later ...
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