I have an XML which uses the XPDL standard (which has an XML schema). What I'm trying to do now is to convert its content to RDF format (serialized in XML), in terms of a certain ontology. Clearly, there needs to be some sort of mapping here. I would like to do this using PHP. The thing is, I have no idea how to do this best. I know how ...
I am trying to run any of the services from gate web service, in neon 2.3. Even Annie that runs so well in gate doesn't run, or better, it stay for indefinite time processing, a thing that should take no more than a couple of seconds. I run wizard, set input directory, leave file pattern as default and set a folder and name for the outp...
I think the title says it all. Any references to text books would also be appreciated. ...
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...
Can someone explain the relatioships to me between the languages Description Logic, OWL and RDFS? ...
Hi all, I'm looking for an ontology containing geographical knowledge. In particular I'd like to have these types of information: political states / regions / cities / city areas geographical regions (e.g. continents, name of mountains, lakes, etc) For example, starting from the node "New York" I'd like to be able to find parents li...
Howdy All... first time at stack overflow. I'm looking into using some of the metaprogramming features provided by Ruby or Python, but first I need to know the extent to which they will allow me to extend the language. The main thing I need to be able to do is to rewrite the concept of Class. This doesn't mean that I want to rewrite a...
I'm doing some project which is based on ontology.I want to identify semantic of the text that has entered by user. Is there any possible way to fulfill my task dealing with ontology through jena? ...
I am developing web application where users have collection of tags. I need to create a suggestion list for users based on the similarity of their tags. For example, when a user logs in to the system, system gets his tags and search these tags in the DB of users and showing users who have similar tags. For instance if User 1 has followi...
i'm new to jena and protege.i did some stuff with these. i have some problems:: 1) Do i need to use sparql query to get the ontology classes,subclasses,property and values? or can do it with owl-api? can u show me the way? 2) how to get the data property values? 3) how to i load the ontology that define in my local machine and access th...
i do some development with jena ontology API.my ontology file in my local machine..when i'm going to read the model.. there is an error.. and i made ontology with protege and tried to read that file. String SOURCE = "http://www.owl-ontologies.com/Ontology1275995702";(it's XML:base value) //String NS = SOURCE + "#"; //Inp...
I am having a problem with "same individuals property" in protege, when i run a reasoner (pellet 1.5 or fact++) Lets take ontology example thing has class sons A and B, A has sons C and D. B, C and D have individuals of the same class. Cant i say a individual C is "same individual" as individual B, and then add also individual D is...
Hi, I have a configuration file with a lot of data like sensor locations, type, rules for activating devices etc. Basically related to a pervasive system. I plan to design an ontology for this domain. The doubt in my mind is how should I populate the ontology with the information in the configuration file, as the configuration files are...
Hello, I have a problem with importing owl files using owl api in Java. I successfully can import 2 owl files. However, a problem occurs, when I try to import 3 or more owl files that are integrated to each other. E.g. Base.owl -- base ontology Electronics.owl -- electronics ontology which imports Base.owl Telephone.owl -- telephone on...
Hi, I have written an ontology to represent a sudoku puzzle. I have the sudoku problem instance in a text file. I'm not sure how to attach the values in the problem to the ontology. This is the ontology. It is very basic and I do not need much inferencing as this is just being used as a test scenario to learn how to instantiate an ontol...
I got introduced to OWL here and here. And also seen few examples like... http://www.co-ode.org/ontologies/pizza/pizza.owl How should I run this example? Are there any tools to run these OWL files? Is there any blog/site to see a working example of Ontology? An example to say..."This is the difference that Ontology makes..." kind of. ...
Hello, Can I someone explain what is meant by 'OWL does not have a unique name assumption. Just because two names are different does not mean they refer to different individuals'. Does that mean that every time I declare some individuals belonging to a class I should state that they are all different? Thanks ...
On a project we describe the meta data by RDF by using SIOC, FOAF, SKOS namespaces. After this step what we need to do to design an ontology for collaborate these informations? ...
Hi, I'm trying to use Sesame repository to store my ontology. I wanted to write JAVA code to load this ontology or just run queries on it so as to add new individuals, properties etc. But it seems that SeRQL does not provide update operations. Is there some API that will allow me to do that? I was able to do the same using the OWLAPI, b...
Hi, Ok Sesame is driving me crazy. There are tens of jar files and every other tutorial mentions some other class, some other api .. I decided to use to code given on the openrdf documentation page to connect to a server java.net.URL sesameServerURL = new java.net.URL("http://HOSTNAME/SESAME_DIR/"); SesameService service = Sesame.getSe...