Tools

Visualization

JavaScript InfoVis Toolkit

The JavaScript InfoVis Toolkit is a free set of tools for creating interactive data visualizations compatible with web standards. Visualization options include bar graphs, radial graphs, tree graphs and more, many integrating animations.

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Letter-Pairs Analysis

Letter-Pairs Analysis is a free, web-based tool for calculating and visualizing the number of times a pair of letters appears in a given text. Each pair is represented as a 'bubble', sized according to how frequently that pair appears in the text. An HTML5 version is also now available. Note : this tool forms the basis of Voyant Bubbles.

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Visualization

Processing

Processing is a free, open source programming language and development library for the visual arts. It is a software sketchbook, a way to visually learn programming fundamentals, and a tool for creating finished professional work, including mapping networks, textual analysis and producing visualizations. It runs under Windows, OSX and Linux environments, and can export graphics and applets in a variety of formats.

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Visualization

RapidMiner

RapidMiner is an open source data mining tool with a GUI interface, available in both a free, unsupported 'community version' and a for-pay, fully supported 'enterprise edition'. It utilizes a standardized XML interchange format for processing, and is compatible with common relational databases and spreadsheet applications.

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Visualization

SEASR: OpenNLP Entities To Protovis Network Graph

SEASR's OpenNLP Entities to Protovis Network Graph is a free tool for extracting entities within a specified sentence distance within a text. The OpenNLP system is used for entity extraction, and their relationships are represented in a link node network graph generated in Protovis. While SEASR is still active, their page for OpenNLP Entities to Protivis Network Graph is no longer available. It can still be viewed via the Internet Archive.

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SEASR: Date Entities to Simile Timeline

SEASR's Date Entities to Similie Timeline is a free tool for extracting data entities that may be displayed on a timeline. It uses OpenNLP to extract sentences containing dates, and SIMILE Timeline to display them.

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Natural Language Processing

SEASR: Flesch-Kincaid Readability Test

SEASR's Flesch-Kinkaid Readability Test is a free tool that analyses text from a URL, calculates the Flesch-Kincaid readibility measure of the text, and displays the results.

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SEASR: Google Search To Entities To Protovis Network Graph

SEASR's Google Search To Entities To Protovis Network Graph is a free tool for submitting a search to Google and returning a specified number of documents for further processing. It then analyses the documents for connections within a specified number of sentences, and generates a link node network graph using Protovis from the results. SEASR's page for Google Search To Entities To Protovis Network Graph is no longer available. Information about the tool can still be viewed via the Internet Archive.

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SEASR: Location Entities To Google Map

SEASR's Location Entities To Google Map is a tool for extracting locations from a text that can be displayed on a map. It uses OpenNLP to extract the entities, and then displays both the sentences and the locations in Google Maps. The page for this tool on SEASR's website is no longer active. However, it can still be viewed via the Internet Archive.

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Visualization

SEASR: NGram Tag Cloud Viewer

SEASR's NGram Tag Cloud Viewer is a free tool for generating a tag cloud from a text hosted at a URL. It can also process PDF documents. Although the page on SEASR's website is no longer active, it can still be viewed via the Internet Archive.

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