Tools

Visualization

Tom Sawyer Perspectives

Tom Sawyer Perspectives is a commercial software package for data visualization and analysis. It provides a graphical software development kit and preview environment, including layout and Tom Sawyer Software's proprietary data visualization reference architecture. The SDK is particularly aimed at developers seeking to create data-oriented visualization applications, and permits users to customize with toolbars, context menus, and editing behaviour, to name a few. Applications are designed to enable design sharing and reuse, including via web application deployment. The Java version of Tom Sawyer Perspectives is available for Windows, OS X and Linux environments, and .NET for Windows only. Evaluation copies are available on request; no prices are quoted on the site.

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Visualization

TextDNA

TextDNA is a free tool for large-scale overview analysis of linguistic data offered by the University of Wisconsin, Madison. It identifies patterns within a text, and enables users to compare ordered sets of data with its sequence visualization. It can be used with texts stored in databases, Google N-Grams datasets and CSV files.

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Search

Prefuse

Prefuse is a Java framework for creating interactive information visualization applications from the University of California at Berkeley's Visualization Lab. It can be used to design standalone applications, visual components within other applications and web applets.

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Analysis

NeOn Toolkit

The NeOn Toolkit is an open source environment for engineering ontologies. It supports both the F-logic and OWL ontologies, and its functions include annotation, documentation, ontology evaluation and matching and human-ontology interaction.

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Visualization

RDF Gravity

RDF Gravity (RDF Graph Visualization Tool) is a free, open-source visualization tool from Salzburg Research's Knowledge Information Systems Group. It supports RDF graph structures and OWL ontologies, including multiple RDF files, and offers a variety of filters for its visualizations.

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Visualization

Visual Browser

Visual Browser is a Java application for visualizing RDF data using the Jena framework. The resultant graphs are animated and permit users to expand and hide nodes and switch the view of edges, allowing them to focus on a small part of the network. The visualization engine is derived from TouchGraph LLC and follows the navigation approach of WebOFDAV, a system based on the concept of exploratory navigation to reduce chances of getting “lost in hyperspace” situation.

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Visualization

RDF2SVG (Rhizomik)

RDF2SVG is a web-based tool from the Rhizomik initiative for transforming RDF/XML data into an SVG representation. It can also accept N-triples and N3 input, and includes a feature for filtering the user's defined preferred language from the source data.

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Visualization

RelFinder

RelFinder is an RDF relationship discovery tool developed as part of the Visual Data Web toolset and based on the Adobe Flex open source framework. It is designed to provide an overview of RDF data through interactive visualization and exporation. Features include highlighting and filtering, and the tool permits both global and detail views. It is optimized for RDF data that provided standard SPARQL access.

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Visualization

W3C RDF Validation Service

The W3C RDF Validation Service is a free, web-based tool for checking RDF documents for errors and displaying the results. It can display in triples, a graph, or a combination of the two, and can format the graph in a variety of file formats including PNG, SVG and GIF. Documents can be pasted directly into the provided form or from a provided URI.

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Visualization

Google Charts

Google Charts (formerly the Google Visualization API) is a web-based interface for interactive data visualization via HTML5 and SVG. It includes a number of preset chart types ranging from line charts to word trees and all are customizable. A separate selection of user community contributed chart types is also available. Within a chart, the API identifies events that users can trigger with presets ranging from simple clicks to Javascript methods, and enable users to construct chart dashboards that can be embedded in their website along with the chart proper.

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