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Yahoo Content Analysis API

Yahoo Content Analysis replaces Yahoo!’s Term Extraction service and lets users perform content analysis on text or a URL. The API is able to extract key terms from the content and rank them based on their overall importance to the content.

The YahooContent Analysis API detects entities/concepts, categories, and relationships within unstructured content. It ranks those detected entities/concepts by their overall relevance, resolves those if possible into Wikipedia pages, and annotates tags with relevant meta-data. The API uses RESTful calls and responses are formatted in XML.

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Yahoo Content Analysis: Highlights

Summary
Semantic relevance service
Category
Tools
Tags
Protocols
REST
Data Formats
XML, JSON
API home
http://developer.yahoo.com/contentanalysis/ 
This is 1 of
58 APIs by Yahoo

Yahoo Content Analysis: Specifications

Functionality

Client Install Required
 
Service Endpoint
http://query.yahooapis.com/v1/public/yql

Signup and Licensing

Signup Requirements
Account with service, API Key  
Developer Key Required
Yes  
Account Required
Yes  
Commercial Licensing
 
Provider
yahoo.com  
Company
Yahoo  
Non-Commercial Lic.
 
Data Licensing
 
Usage Fees
 
Program Fees
 
Certification Program
 
Usage Limits
5,000 queries per IP address per day and to noncommercial use. 
Terms of Service
developer.yahoo.com/terms/ 

Security

Authentication Model
API Key 
SSL Support
 
Read-only Without Login
 

Support

Vendor API Kits
 
Community API Kits
 
API Blog
 
Site Blog
developer.yahoo.com/blogs/ydn/ 
API Forum
developer.yahoo.com/forum/Content-Analysis-API 
Developer Support
 
Console URL
developer.yahoo.com/yql/console/ 

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