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Topicalizer API

Note: The Topicalizer API is no longer available.
This profile is retained for historical purposes only.

Topicalizer is a text analysis and topic extraction tool. Based on methods of computational linguistics it provides various analyses for a given URL or plain text. These comprise, amongst others, language recognition, lexical density, keywords, collocations, word and phrase frequencies, readability and a short abstract. Topicalizer can, for instance, be used for automatically tagging a website or blog entry with semantic information or for retrieving summaries for web pages.

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Topicalizer: Highlights

Document analysis service
Data Formats
API home

Topicalizer: Specifications


Client Install Required
Service Endpoint

Signup and Licensing

Signup Requirements
Developer Key Required
Account Required
Commercial Licensing
Non-Commercial Lic.
Data Licensing
Usage Fees
Program Fees
Certification Program
Usage Limits
Terms of Service
General Terms of Service 


Authentication Model
SSL Support
Read-only Without Login


Vendor API Kits
Community API Kits
API Blog
Site Blog
API Forum
Developer Support
Console URL

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Mashups, Developers & Source Code

Mashups using Topicalizer[ Add a mashup ]

Developers using Topicalizer[ Add me ]

  • christian.maehler

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December 02, 2006
at 12:29
Comment by: Björn Wilmsmann

The Topicalizer API now sports yet another method named getSemWeb, which build a web of related terms for a given term by making use of the Google API und Wikipedia.

May 04, 2006
at 01:06
Comment by: Björn Wilmsmann

The Topicalizer API now has a another new method called getCoOccurrences, which makes use of large corpora of different text categories in order to guess, which words co-occur most frequently with a given text.

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