What are the practical benefits of using microformats for every possible thing?
What practical benefits can my client get if I use microformats on his site for every possible thing? How can I explain these benefits to a non-technical client? ...
semantic-web
RDFS - declaring properties
Hi, I am very new to working with semantic data and have a quick question that i cant find an answer to. When creating an rdf schema are you essentially creating a class as per OOP i.e. declaring all properties etc that are valid. If this is the case then say I want a property called 'title' which I actually intend on using dcterms:tit...
Using Jena to create a sparql query on dbpedia
Im trying to create a Sqarql query using Jena to query dbpedia. The query is working when I use it with standalone tools (Twinkle) but when I plug it in this java code it returns an empty set. String sparqlQueryString1= "PREFIX dbont: <http://dbpedia.org/ontology/> "+ "PREFIX dbp: <http://dbpedia.org/property/>"+ ...
what can i do with semantic web and xml and web services ?
i am a cs student and i need a project for fourth year using : semantic web and xml and web services so what the best (and new) project idea i can find from these technique ...
Anyone could tell me please what kind of RDF ontologies related to tourism exists at the moment?
I'm setting up a tourism website and wish to use semantic web in it. I'm also interested in using RDF ontologies. So, I was wondering if anyone could tell me, if exists anything for this, that says "This Hotel is located in Foo" or "This Restaurant has a 3 points rating in the Foo community" or "This itinerary it's for three days and it...
Converting HTML to RDF
I'm looking for a general purpose API/web service/tool/etc... that allows convert a given HTML page to an RDF graph as specific as possible (most probably using a back bone ontology and/or mapper). ...
ontology representation
Can I represent ontology by using XML? Why it is considered better to represent ontology by RDF? ...
Provide a descriptive label for a skos:semanticRelation
When using the skos vocabulary, is it possible to provide a descriptive label to describe a relationship between two concepts. for example you can have two concepts linked by skos:related but hwo do you say exactly how they are related. ...
Non-SEO anti-spoofing external link redirect: Status code?
I've read several documents on the merits of the different HTTP redirect status codes, but those've all been very SEO-centric. I've now got a problem where search-engines don't factor in, because the section of the site in question is not publicly viewable. However, we do want our website to be as accurate / helpful with meta-data as po...
using virtuoso fct with our own instance
how to use Virtuoso's FCT with our own instance data and ontology ? as it has inbuilt , for dbpedia. ...
Is there any killer application for Ontology/semantics/OWL/RDF yet?
Hi Guys, I got interested in semantic technologies after reading a lot of books, blogs and articles on the net saying that it would make data machine-understandable, allow intelligent agents make great reasoning, automated & dynamic service composition etc.. I am still reading the same stuff from 2 years. The number of articles/blogs/s...
Exact matching of strings in SPARQL?
I have this query. It match anything which has "South in its Name". But I only want the one whose foaf:name exactly matches "South" SELECT Distinct ?TypeLabel Where { ?a foaf:name "South". ?a rdf:type ?Type. ?Type rdfs:label ?TypeLabel. } ...
Creating a triple store query using SQL - how to find all triples that have a common predicate and object
I have a database that acts like a triple store, except that it is just a simple MySQL database. I want to select all triples that have a common predicate and object. Info about RDF and triples I can't seem to work out the SQL. If I had just a single predicate and object to match I would do: select TRIPLE from TRIPLES where PREDICATE...
SEM/SEO tasks doubts
Hello, Actually i think that i have an strong knowledge of SEO, but im having some doubts about the following: I will have to increase the position in Google of certain product pages of a company in the next months. I supposed that not only will be sufficient the following tasks: Improve usability of those pages. Change the pages ti...
How can one extract rdf:about or rdf:ID properties from triples using SPARQL?
It seemed a trivial matter at the beginning but so far I have not managed to get the unique identifier for a given resource using SPARQL. What I mean is given, e.g., rdf:Description rdf:about="http://..." and then some properties identifying this resource, what I want to do is to first find this very resource and then retrieve all the tr...
Monitoring Reasoning Progress using the Pellet Reasoner
I am currently constructing an OWL ontology, which - until very recently classified rapidly using the Pellet reasoner. However, since the introduction of several new classes, the reasoning performance has slowed to a crawl. Although the reasoner completes and the ontology does not contain any unsatisfiable concepts etc, the time the reas...
SKOS Vocabulary
Hi all, I am searching for an example of SKOS Vocabulary. Is there anybody who knows a site, a link for a SKOS voc? Thank you in advance! ...
Is ROWLEX 2.1 OWL2-aware?
Is ROWLEX 2.1 an OWL 2 or OWL 1 framework? ...
Do you know of any OWL 2 tools/libraries implemented in C#?
Do you know of any OWL 2 tools/libraries implemented in C#? There are some in Java, but am I to rewrite them to C# or invent my own ones If I prefer .Net? ...
Best way to create a SPARQL endpoint for a RDBMS (MySQL database)
I am doing (want to do) some experiments with Linked Open Datasets particularly those put out by governments. I have a RDBMS (more specifically MySQL). I designed it with semantic web ideas in mind i.e. I have a information stored as objects, predicates and classes which define objects. In turn all objects are related to each other thou...