first example

OK... Follow this step by step and you'll get an idea of what's going on:

• Open this page up in a new window or tab so you can read it while you get taken through Kendra Base.
• Go to the main page by clicking in the top left menu item "Main Page".
• Under main the "Main topics" section click on "music ontology".
• Then click on "song performance".
• Now you have options of:
• Editing the definition of song performance
• Entering a new song performance
• Or querying all song performances
• Let's do a query. Hit "Make query" in the top left menu strip. See? Enter in a number of constraints by selecting the keword from the leftmost drop down menu. You caqn leave the operator on 'equals' for now.
• Enter "2003" for the "Year" keyword and "7" into "track_number". Hit "search" and get results. Look inside the results. See the year and track number? Does it match 2003 and 7? Phew!
• Go back a couple of times till you're on the "song performance" page again. Hit "Edit this page" in the top left menu strip. Just like a wiki page. Add a property - go on give it a go.
• Then try query again.
• Then try to enter an instance.

All the forms automagically get created from the triplets database. Bear in mind it's all concept stuff right now. An important stage is when we add in relationships between properties like song=track and an inference engine and we are away! See the wish list: http://www.kendra.org.uk/wiki/wiki.pl?KendraBaseWishList

We would love to have your comments and questions:

• Post to the wiki here: http://www.kendra.org.uk/wiki/wiki.pl
• Or post to the Kendra Developers mailing list. Follow instructions here: http://www.kendra.org.uk/lists.php#join

Don't be shy. Whatever you say and wherever you say it you'll not offend us! ;-)

Cheers Daniel

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