Web Services and TopQuadrant Products
TopQuadrant's TopBraid platform provides Application Programming Interfaces (APIs) that make it easy to integrate TopBraid applications (both, customer built and TopQuadrant provided, such as TopBraid...
View ArticleTransforming Spreadsheets into RDF with TopBraid
Much of the data today is held in spreadsheets. Not surprisingly, there is a lot interest in transforming spreadsheet data into RDF. Spreadsheets are very flexible. The most commonly used format is a...
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Performing side effects after each edit in TopBraid EVN
TopBraid 4.3 introduces a small Event-Condition-Action (ECA) rule engine that can be used to trigger rules whenever a change was performed on an EVN vocabulary or ontology. Example use cases of this...
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Creating Web Services with the TopBraid Platform
TopBraid Live (TBL) is TopQuadrant's server platform for semantic data processing and editing. In addition to being the foundation of various out-of-the-box solution packages such as EVN, TopBraid Live...
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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...
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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...
View ArticleAn 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...
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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...
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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...
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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...
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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...
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