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Questions tagged [apache-marmotta]

Apache Marmotta is an Open Platform for Linked Data.

Apache Marmotta is an Open Platform for Linked Data.

http://marmotta.apache.org/

15 questions
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Apache Jena vs Apache Marmotta

What's the difference between Apache Jena and Apache Marmotta? According to my readings both can be used for semantic web purposes. Both supports RDF,Triple store and so on. Both are based on Java. I hope this question will be valuable for those…
Techie
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sparql query get slow with order by on Particular server

I have simple sparql query. Same query works faster on my local system, while on stage server it takes 20 sec. If I remove the order by from the query, it take 2 sec on both server. Record counts are same on both the server; approx 1,50,000. PREFIX…
vivek agrawal
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First authentication

I have installed (standalone) and correctly started Apache Marmotta 3.3.0 on an Ubuntu server. But I can't log in with the default admin password (admin/pass123). Navigating to my host:8080, I get to access to the configuration interface. But I…
CptNemo
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1 answer

Apache Marmotta LDPath libraries - Selecting URI fn:content

I am selecting certain rdf properties using Apache Marmotta LDPath. The documentation (http://marmotta.apache.org/ldpath/language.html) denotes fn and lmf prefixes are not neccesary explicitly defined. My code is: @prefix dc :…
Zelkovar
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Import data via the client library in Apache Marmotta

I am trying to use this code: /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package…
Efren Narvaez
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How to set Sesame as a stroage backend for Apache Marmotta?

I'm trying to set Sesame as a Storage Backend for Apache Marmotta. I've followed the instructions on this page but I guess it's missing a few steps because I'm getting a 404 (HTTP Status 404 - /marmotta/storage-native/admin/about.html). Concerning…
user3816378
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Apache Marmotta Importer from Docker

I installed Apache Marmotta with Docker using docker pull apache/marmotta on an AWS server. I am able to see Core Services (http://34.229.180.217:8080/marmotta/core/admin/import) via the Import interface in my browser. However, I am not able to…
Sara Lafia
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How to install development version of Apache Marmotta

I want to develop a webapp with Apache Marmotta. The current release 3.3 (released in 2014) does not provide GeoSPARQL functionalities, which seems to be present in the 3.4 version. I saw at least one instance of a 3.4.0-SNAPSHOT online (here).…
CptNemo
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Apache Marmotta Delete All Graphs using SPARQL Update

I am trying to clear all loaded graphs into my Apache Marmotta instance. I have tried several SPARQL queries to do so, but I am not able to remove the RDF/XML graph that I imported. What is the appropriate syntax to do so?
Sara Lafia
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Sparql Update query for edit value of a property

i tried to update a value of a query in my DB on marmotta. I have a lot of resources like this:
user3836982
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Is there any way to have ontology reasoner in Apache Marmotta?

Is there any way to have a reasoner (such as HermiT in Protege) to check ontology consistency and inferences in marmotta? Or is there a way to generate rules for sKWRL reasoner from ontology file?
user3816378
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3 answers

How to use Apache Marmotta SPARQL webservice api with AngularJS?

I want to execute the sample SPARQL query for apache marmotta from AngularJS controller via SPARQLs marmotta webservice. Sample code: var url = "http://localhost:8080/marmotta/"; var query = "SELECT * WHERE { ?subject ?property ?object…
user3816378
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Apache Marmotta - SPARQL query interface - Missing Squebi library

Those who have hands-on knowledge of Apache Marmotta use in Windows environment, please help me! I have installed marmotta on my Windows 8.1 env. Now as we know, marmotta supports a RDF framework (where sparql is used as the query language), and we…
Jayanta Mandal
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Apache marmotta installation failing on my Windows 8 Laptop

I was trying to install Apache marmotta on my home laptop.. I was able to install the program. But when I'm starting it by clicking the Start Apache Marmotta button, I m getting an error like the linked image below. The error occurs just before…
Jayanta Mandal
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creating marmotta archetype webapp error(new)

I am a new-bie to spring framework and maven tool. I am trying to create an Maven-archtype-webapp project in Eclipse Kepler New version(Version: Kepler Service Release 1 Build id: 20130919-0819). I created a new workspace, but when I am trying to…
Cmen535
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