Mai 28 2009
KiWi 0.4 Released!
Just in time for ESWC09, we are proud to be able to release the 4th KiWi prerelease (0.4)! Again, this is the most stable KiWi version ever and contains many bug fixes and performance improvements. While the focus has been on stability and usability, the following new features have been added to KiWi:
- KiWi now has a tag recommendation system based on Semantic Vectors as a “look forward” to the information extraction that is still to come; to enable it, go to the admin interface and search configuration and click “rebuild semantic vectors”
- KiWi also now has (simple) recommendations personalised for the user; they are shown for each content item separately and also on the Dashboard
- the revision system is now functional and has been extended to cover upcoming “compound content items”; it also allows to display the content and metadata changes in a revision
- KiWi now supports dynamic pages rendered based on a embedded query; we also have the beginnings of a visual query editor that allows to compose embedded queries based on the search function
- TagIT is now able to represent not only points but also routes; route information is stored in RDF, naturally
As always, there are several ways to access the new KiWi release:
- you can simply try out our Showcase at http://showcase.kiwi-project.eu/KiWi/ – it has been set up from scratch again with a large amount of media data from various sources so that you can play around with the system;
particularly noteworthy is the new search functionality which you can try out by searching for “tag:flickr” and then looking at the facets on the right, some of which are based on automatically gathered EXIF data - you can download the binary version bundled with JBoss or the source version from http://kenai.com/projects/kiwi/downloads;
the JBoss version comes ready-to-run (start.bash or start.bat) but requires JDK 6; if you want to play around in earnest and want some better performance, you should change the property hibernate.hbm2ddl.auto in server/default/deploy/KiWi.ear/KiWi.jar/META-INF/persistence.xml to “create” before you do the first start of the system and change it back to “update” or “validate” before you start a second time; in this case, the system will properly create database indexes to speed up data access - you can check out the latest source code from our Subversion repository at https://svn.salzburgresearch.at/svn/kiwi/KiWi
Regardless of which way you choose to download the third KiWi prerelease, we hope you enjoy it and see its potential. But please be aware that this is still a pre-release and not meant for production use! Don’t forget to report all bugs that you may encounter to our JIRA system! 
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