June 2013 » TopQuadrant, Inc

+1 919.300.7945     Blog     Downloads     Purchase     Contact

Monthly Archives: June 2013

SPIN Vocabulary for Column Metadata

When we started implementing the EPIM ReportingHub project, we had to come up with a mechanism that allows us and others to represent tabular reporting data derived from an RDF triple store. For example, there needed to be a table … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

Defining SPARQL Functions with SWP

One of the best kept secrets about SPIN is its ability to define new SPARQL functions that encapsulate complex sub-queries into reusable building blocks. Normal SPIN functions are limited to whatever can be expressed in SPARQL, by means of a … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

An Extended Turtle Format

Several RDF/OWL ontologies use blank node structures to represent complex objects. For example, OWL uses blank nodes to represent class expression trees consisting of intersections, unions and restrictions. Other ontologies use “reified” objects that combine a value with a unit … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

Tutorial: Customizing SWA Forms

SPARQL Web Pages (SWP) is a declarative language that represents user interface elements with an RDF vocabulary. It is tightly integrated into TopBraid Suite: TopBraid Composer is used for editing and the TopBraid Live server executes them for web applications. … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

Embedding SWP Components into Web Pages with jQuery

SPARQL Web Pages is a powerful framework for defining HTML renderings of RDF data. Recent releases of TopBraid have added significant improvements to this framework, including a growing library of out-of-the-box components for recurring tasks: the SWA Gadgets. SWA includes … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

Faceted Search in TopBraid 4.3

Faceted search is a user interface metaphor that is best suitable for explorative scenarios: A user starts by roughly selecting a type of objects and the user interface presents characteristics (or “facets”) of the available instances, allowing the user to … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off

The TopBraid EVN Ontology Editor

The evolution of the TopBraid Enterprise Vocabulary Net (EVN) has reached a new milestone with release 4.3. While EVN is long established as a leading web editor for SKOS-based Thesauri and controlled vocabularies, we have generalized the product so that … Read More »

Posted in The Semantic Ecosystems Journal | Comments Off
About TopQuadrant | Glossary | Privacy Statement | Legal | Terms of Use
© Copyright 2001-2017 TopQuadrant, Inc. All Rights Reserved.