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This talk with this very long title it's really about a's about a visual query system that's the name of this way research field very much Jeff Harris talk it out you talked about lifting a domain-specific language up into an actual user interface and the domain-specific language in this question in this case its sequel or sequel 92 you know the corner of sequel I'm actually going to show you a tool that that lists all secret lines to you into an actual direct manipulation user interface that's kind of degree of this visual query system research field that has been hundreds of papers written on this topic, so the main challenge academically is to show you why is this system knew what is it that have done here in the system that's that's not been done before on and so very neatly there was a paper with my lair and yoga dish couple years ago where they set out a couple of requirements for a real graphical replacement for sequel and I put up these requirements here the first is this requirement of direct manipulation that old user interface term for things like spreadsheets and word processors and now user interface is where you really get to to to work directly with whatever it is that you're trying to produce so in this case you know it to like to blow you or Excel you're directly manipulating some data on the screen in order to do some sort of class of database queries, so that's going to be our first requirement being able to construct database queries by actually touching the data doing operations on the data itself now the second requirement is related to direct manipulation, so this is a little more subtle, so I suppose you have a tool that actually lets you construct database queries by just touching the data clicking on column saying filter st. sort now in regular if I factor for instance you'll see this this this the script being built on the left-hand side of the screen that it is like you're building a sequence of operations now the second requirement here is actually if you want to modify a query that you've constructed you should still be able to do those modifications by direct manipulation show if I set a filter, and then I do some aggregation I hide some columns I should be able to just set that filter that I said 20 steps ago and change that without having to edit some sort of script door or something outside the direct manipulation interface so than then there is the third requirement is we want to be able to actually construct arbitrary sequel queries so if you look at only all related work you'll find that every previous system has failed in at least one of these three requirements turns out to be very hard to achieve them all at the same time, so I'm going to show you the first system that actually achieves all of these three so the key insight that we're going to use hair yes um I think it was also Jeff here that talked about the input and the output domain being the same in the case of you know autocomplete on in this case...
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