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Release 3.15.0

Carrot2 Project......
Carrot2: open source framework for building search clustering engines
The 3.15.0 release removes support for Bing API V2 and implements Bing API V3. Several third-party library dependencies have been updated to newer versions.
Bing API V5

Microsoft Bing API V2 is officially deprecated and will be removed. A new API (cognitive services) replaces it entirely.

This upgrade removes code for old Bing API V2 and adds new Bing API V5 support. Note that the document source class and attributes are different; the new document source is called org.carrot2.source.microsoft.v5.Bing5DocumentSource for web search results and org.carrot2.source.microsoft.v5.Bing5NewsDocumentSource for news results. Image search document source has been removed without a replacement.

A new API key is required to use these document inputs. Refer to Microsoft's on-line help on how to issue API keys. There is a monthly free query limit.

Dependencies updated

A couple of dependencies have been updated to newer versions: Jackson (2.5.4), Apache commons collections (2.6), Morfologik (2.1.1).

Internal cosmetics

A few minor tweaks have been made internally (switching to NIO in a few places, upgrading testing libraries).

For a complete list of improvements and bug fixes, see JIRA