Calais API

Overview
Summary	Semantic data search and extraction service
Category	Other
Tags	database search semantic
Date Reviewed	2008-01-31
Description	From their site: Reuters run a service called Calais. The Calais web service automatically attaches rich semantic metadata to the content you submit – in well under a second. Using natural language processing, machine learning and other methods, Calais categorizes and links your document with entities (people, places, organizations, etc.), facts (person ‘x’ works for company ‘y’), and events (person ‘z’ was appointed chairman of company ‘y’ on date ‘x’).
API Home Page	http://www.opencalais.com/
Latest API News	Reuters Releases Calais Web Service
Most Popular Calais Mashups
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Protocol
Protocols	SOAP, HTTP POST
WSDL	http://api.opencalais.com/enlighten/?wsdl
Data Formats	XML, RDF
Service Endpoint	http://api.opencalais.com/enlighten
Functionality
API Groups
Example API Methods	Enlighten
Client Install Required	No
Security
Authentication Model	API Key
SSL Support
Read-only Without Login	No
Support
Vendor API Kits
Community API Kits
API Blog
API Forum	Forum
Developer Support
Signup and Licensing
Signup Requirements	API Key
Developer Key Required	Yes
Account with Service Required
Commercial Licensing
Provider
Non-Commercial Licensing
Data Licensing
Usage Fees	Basic service free, paid upgrades for guaranteed SLA
Usage Limits
Terms of Service	Terms of Use

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