semantic-web

Is Latent Semantic Indexing (LSI) a Statistical Classification algorithm?

Is Latent Semantic Indexing (LSI) a Statistical Classification algorithm? Why or why not? Basically, I'm trying to figure out why the Wikipedia page for Statistical Classification does not mention LSI. I'm just getting into this stuff and I'm trying to see how all the different approaches for classifying something relate to one another...

Quering dbpedia with SPARQL and Jena.

Hi Guys. I cannot understand how can I query dbpedia.org using Jena. In the tutorials like here(Listing 4) model is initialized as follows: // Open the bloggers RDF graph from the filesystem InputStream in = new FileInputStream(new File("bloggers.rdf")); // Create an empty in-memory model and populate it from the graph Model model = M...

Semantic HTML5. Back to the 1990s?

I am taking a peek at Dive Into HTML5. It seems nice and interesting, but I am puzzled. In the 1990s, at the time when Netscape was the browser and HTML was HTML2 or HTML3, there were a lot of tags: address, cite, code... Most of them are unused as of today, probably even obsolete. HTML5 introduces tags to express "semantic meaning" t...

Which is the best annotation tool for semantic web or onthologies?

There is a list at http://annotation.semanticweb.org/tools/ Have you tried them? Any suggestion? ...

Tools available to do semantic analysis of text

I'm looking for code or a product or a service to do semantic analysis of text (sentences and or paragraphs) to categorize the text by general topic, e.g. Finance Entertainment Technology Business Art etc... ...

Is there a Python library to handle OWL?

It could be something as big as Jena or something smaller. Do you know anything? ...

What is the difference between RDF and OWL?

I am trying to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is the difference between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies? ...

Symantic Web SPARQL CONSTRUCT Question

I am using a tool called TopQuadrant to create a Symantic Web (RDF/OWL) Ontology. This tool allows for import of data from MS Excel. My spreadsheet is basically a two-column sheet with the first column being an XPATH expression and the second column being a description of that XPATH. Once I import my spreadsheet, I would like to use SP...

Google Semantic results question

http://www.google.co.uk/search?q=mark+zuckerberg+crunchbase Guys, check out that search, in particular the first result's url. Crunchbase.com > People, and thus the people links to the /people section of the site. How are they achieving it? I know Google algorithm is intelligent and looks for links and then makes the assumptions itself...

how to tag a photo to be used as a thumbnail when page is linked to on facebook

When a person posts a link on facebook, facebook automatically finds a photo to be used as a thumbnail that shows up in the news feed. Is there some sort of (html) markup to surround a photo you'd like to use as the first choice? ...

How to import data in relational database to RDF?

How can I get data from a relational database into RDF? ...

How can you remove the XML schema datattype from sparql query?

Hey all. Im running a sparql query on a file that contains <User rdf:about="#RJ"> <hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"&gt;RJ&lt;/hasName&gt; </User> I want to return only the name i.e. 'RJ' but when i enter my query SELECT ?name FROM <example.com> WHERE { assign:RJ assign:hasName ?name . } ...

Defining cardinality for a RDF statement.

Im having a problem with RDF. I have a couple of triples defined as : <User rdf:about="#T"> <hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"&gt;T&lt;/hasName&gt; <hasFavourite rdf:resource="#x"/> <hasFavourite rdf:resource="#y"/> </User> Im wanting to add to the (user, hasFavourite, x) and (user, hasFavourite, y) tri...

Application of Artificial Intelligence in Semantic Web

Hello, I need to write an essay or a research for the subject Artificial Intelligence. There are many possible topics I can choose from plus we are also allowed to write about any other topic of interest. One of the topics is Semantic Web. I would like to write about use of AI algorithms in relation with Semantic Web. Could you please...

Is <dl> element from XHTML 1.0 adapted to display a resource tag list or a subscription feed ?

I wonder if the <dl> element from XHTML 1.0 is semantically valid to display a resource tag list, like that: <dl> <dt>Tags</dt> <dd><a href="">Lorem</a></dd> <dd><a href="">Ipsum</a></dd> <dd><a href="">Dolor</a></dd> </dl> Or with a subscription feed, as the code bellow shows: <dl> <dt>Feeds</dt> <dd><a href=...

Is it possible to install LinqToRdf designer with Visual Studio 2010?

The installer insist that I have Visual Studio 2005 installed. This brings me to the assumption that the project is abandoned. Is this correct? ...

SPARQL query weirdness

SELECT * WHERE{ ?x rdfs:label "Chalti Ka Naam Gaadi"@en . ?x foaf:name ?z . } This works SELECT * WHERE{ ?x foaf:name "Chalti Ka Naam Gaadi" . ?x rdfs:label ?z . } This doesnt Why? Can try running it here http://dbpedia.org/snorql/ Tried adding the query link directly but doesnt work, possibly due to some markup or escap...

Property chain reasoning over rdf:type

I am trying to get Pellet to propagate properties from classes down to the individuals belonging to those classes. For example, if I have Class A with Property X, and Individual B with rdf:type=Class A, I want Individual B to have Property X after running the reasoner. I'm using the technique of property chain inclusion referenced on the...

SPARQL xsd:dateTime equality

I have a SPARQL query: PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#&gt; PREFIX person: <http://www.myOntDomain/person#&gt; PREFIX likedEvent: <http://www.myOntDomain/likedEventRule#&gt; PREFIX event: <http://www.myOntDomain/event#&gt; PREFIX owl: <http://www.w3.org/2002/07/owl#&gt; PREFIX xsd: <http://www.w3.org/2001/XMLS...

Html: Should the h1 tag be used for the site title or the page title?

In the past I have often put the site title in an <h1> tag, and then the main page title in an <h2>. Is this considered correct, or should the main page title be in the <h1> tag? If so, where do you put the site title? In a regular <div>? Or? What is the most semantically correct, and what is the best when considering things like access...