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Visualization

SIMILE Widgets: Timeplot

TimePlot, a part of the SIMILE Widgets family of tools, is a free, open source DHTML-based AJAXy widget for plotting time series and overlaying time-based events over them. The overlays use the same data formats supported by the related SIMILE Widgets Timeline tool. Timeplots are generated with a combination of JavaScript and HTML.

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Natural Language Processing

Stanford NLP Group: CoreNLP

Stanford CoreNLP is a free Natural Language Processing tool. It processes English language text and provides the base forms of words, parts of speech, indicates whether they are proper names, normalizes dates, times and numeric quantities, and marks up the structure of sentences. This tool integrates all other Stanford NLP tools for English language processing, including parts-of-speech (POS), the named entitiy recognizer (NER), the parser and the coreference resolution system. An online demo is also available.

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Stanford NLP Group: Named Entity Recognizer

Stanford Named Entity Recognizer is a free Java implementation for the recognition of proper names and other nouns and a part of the Stanford Natural Language Processing toolset. It also includes person, location and organizational recognition. This tool can be used with English or German text.

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Stanford NLP Group: Part-of-Speech Tagger

Stanford Part-of-Speech Tagger is a free Java implementation for the recognition of parts of speech, and a part of the Stanford Natural Language Processing toolset. It reads text and assigns parts of speech to each word such as noun, verb or adjective. This tool can be used with English, French, Arabic and German text.

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Natural Language Processing

Stanford NLP Group: Stanford Parser

Stanford Parser is a free Java implementation for the statistical parsing of text, and a part of the Stanford Natural Language Processing toolset. This tool can be used with English, Chinese, German and Arabic. A demo web browser version is also available.

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Natural Language Processing

Stanford NLP Group: Stanford Phrasal

Stanford Phrasal is a a free Java implementation for phrase-based machine translation. It provides an easy to use API for implementating new decoding model features and supports unique capabilities such as translating using phrases that include gaps and conditional extraction of phrase-tables and lexical reordering models.

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Natural Language Processing

Stanford NLP Group: Stanford Tokenizer

Stanford Tokenizer is a free Java implementation for diving an English text into tokens such as words, and a part of the Stanford Natural Language Processing toolset. This tool is not available on its own, but is bundled with other tools in the same set, including Stanford Parser, Stanford Part-of-Speech Tagger, Stanford Named Entity Recognizer, and Stanford CoreNLP.

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Natural Language Processing

Stanford NLP Group: Stanford Topic Modelling Toolbox

Stanford Topic Modelling Toolbox is a free collection of topic modelling tools, and a part of the Stanford Natural Language Processing toolset. It is designed for social scientists and other users who need to analyze datasets with a substantial textual component. This tool can accept and generate tab-separated and comma-separated values, and is designed to work in combination with spreadsheet programs like Excel.

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Stanford NLP Group: Stanford Tregex and Tsurgeon

Stanford Tregex and Tsurgeon is a bundled pair of tools from the Stanford Natural Language Processing toolset. Tregex is a utility for using tree relationships and regular expressions to match patterns in trees, while Tsurgeon is a tree transformation language.

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Visualization

d3.js - Data Driven Documents

D3.js is a free, open source JavaScript library for manipulating documents with data utilizing HTML5, SVG and CSS3. It is designed to create visualizations that work with current web standards to make the best possible use of the most recent browsers without requiring a proprietary framework. This tool allows users to bind data to an Document Object Model (DOM) and apply data-driven transformations to the document.

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