rdf

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Counting in SPARQL

Ok so i have this query PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT (COUNT(?instance) AS ?count) WHERE {[详细]

2023-03-05 16:26 分类：问答
How to represent a sentence with indirect object in RDF triples?

for example, this sentence: \"I give John a b开发者_StackOverflowook.\" To make it as a set of triples:[详细]

2023-03-05 10:23 分类：问答
Retrieving a DBpedia resource by its string name with SPARQL

I am trying to get the resource describing country Romania by the country name with this query: PREFIX foaf: <http://xmlns.com/foaf/0.1/>[详细]

2023-03-04 13:44 分类：问答
Tagging and Analysing a Search Query

I\'m developing a search engine which functions taking the semantics of data into account, unlike the usual keyword based index. I managed to develop a reasonable index for the search using metadata e[详细]

2023-03-03 21:31 分类：问答
OWL and SPARQL mini application

The subject says it all. I need a mini project or application ideas that are related to OWL (some ontology represented in RDF written in OWL/XML) and queried by SPARQL. I need to do this project in my[详细]

2023-03-03 17:52 分类：问答
What's the relationship between OWL, RDFs, RDFa, Dublin Core and FOAF?

Semantic web can be described as Layer Structure.开发者_JS百科 we have URI in the button layer which is the unique identifier for data.[详细]

2023-03-03 09:43 分类：问答
Run SPARQL Queries on Drupal Nodes

Is there a way to ru开发者_运维问答n SPARQL queries on the RDF generated for certain type of nodes?[详细]

2023-03-03 03:35 分类：问答
RDFlib 'on disk' store

After 2 days of research I (a newby) still can\'t figure out what \'on disk\' stores are available in RDFFlib 3.1.0. If you have a working example, that would be nice to see...[详细]

2023-03-02 02:55 分类：问答
Generating RDF from unstructured text offline

There are se开发者_如何学Crvices like Open Calais and Alchemy API that generate RDF from unstructured text. Are there tools that do that offline ? Has anyone tried WebCAT or can OpenCyc be useful for[详细]

2023-03-01 07:32 分类：问答
MVC2 - Consume RSS feed with RDF and namespace http://www.w3.org/1999/02/22-rdf-syntax-ns#'

I\' trying to read the feed for the Washington Departmene of Fish and Wildlife, and keep etting this error:[详细]

2023-02-27 04:38 分类：问答