Code list governance for G-NAF

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Code list governance for G-NAF
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A recording of a presentation from Joseph Abhayaratna for the March 2018 AVSIG meeting.
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first of all thank through the pearsons walk today today I apologize if there's a bit of background noise there's a lot of workshops going on in the office today and if you only see me of music I've turned my video off so you can't see if the positions that I'm standing in in order to be able to talk so that you can hear me maybe I'll turn it on for giggles later so just a quick thank you to the chairs for environment to talk today my name is Joel Gertner I'm the chief technology officer of a company called Pierce May Australia just to give you a bit of background PSMA Australia is an unlisted public company which is owned by the governments of Australia so our goal is to facilitate broad and sustainable access to high-quality location data and so today's presentation is about codelist government for one of those data products which is the geocoding national address file so I'll give you a quick
intro as to what Gina fees um that's a Jacob national address file to discuss some of the standards that are used in it to describe the process for maintaining CODIS that currently goes on today it's not much of an involvement process and that's why we're looking at describing a process or proposed approaches to to CODIS governance in the future why the change will become evidence as I go through the presentation so simply put Gina fee is
the trusted trusted index of Australia's street addresses and their associated locations I've put a snippet in from our data product description which you can find online I could probably put some links into the into the notes and I'll flick both the slide and the slide deck through with some annotations later so
basically to go through where the data comes from peers who may receive stresses from a number of trusted government sources it runs a vast number of integration rules which is built up over time that essentially to duplicate the addresses it identifies aliases or drip address is known by other names and then checks them against reference data sets which include things like the roads data set and the localities data set it then links the addresses to other relevant data sets which include the ABS mesh box linkages to the statistical data and australia's land parcels in a product called cad lied for why is it important I guess
I'll take a stab at this in case people don't know why why addresses are important the extensively using navigation so most most of you've probably used it to get probably not to your offices but if you if you're trying to get some petrol in the way home you may it's a commonly used in the infrastructure planning it's commonly used in government service delivery including emergency services although Gina's not using the city of New York so the New York PD police picture is probably a little bit misplaced as well as just the simple things like and the poster getting it and mail to rural areas or a pizza delivery person getting getting delivery to your door or even just the estimates of how long it's going to take before you get your pizza it's so important
that the government funded its releases open data in 2016 along with our administrative boundaries data set so that's available now for for download from day to day you as part of its
commitment to improvement the Department of Prime Minister and cabinet ran a survey to seek input for improvements from users of gnf and they received a number of requests for standards compliant with accessible and queryable endpoint so peer samay thought it could accomplish this through publication of the data service link data and went about publishing gnf and some administrative boundaries and connecting them to to a similar publication tasks of the APS we're considering and so what we've what we've looked at doing is publishing Gina publishing localities and local government areas from our administrative boundaries data set and then assisting in the publication of the Australian Statistical Geographic standard main structure and then linking the data sets all together we had a this we started
this activity with a whole bunch of of all the people I wanted to call those out now so there was a number of people who met in a in a workshop that we ran in Canberra with Geoscience Australia at the time and basically we had the data providers strain Bureau stats and us we had hosting service providers there which includes Cyro and NGO science at the time although things have changed a little bit there there was some people who would be building demonstrators as well as some a whole bunch of different experts which again included Cyro members of this rank I think they'd a working group Rybak and sin the sin of spatial data infrastructures and land administration in Victoria and again and and so part of that discussion was about getting getting some guidance on how we might go about this task and we took some outcomes of that and then of course we've been working with Cyro nikkor particular to get that data published a big thanks to unique and everyone that's it that's had an involvement in that so
talking about standards and linking it to code lists comes in this slide where we sort of have a set of standards that we comply to one of these is a standard called a s 4590 so that relates to the exchange interchange of client information of quite a lot of you probably aware of that standard addresses just one of the components that are covered in that the standard defines the set of components of an address which includes things like flat type and number I'll level type in number Road number the things that you see on the screen there it also includes geo code and it's any types which include things like front front center setbacks and parcel and property centroids unsurprisingly a few of these
are listed as code list and the standard goes on to in Appendix C describe a code list for flat types and level types in what it calls addressing abbreviations and D Penix D covers off-road types and Road suffix abbreviations and so provides the standard does show lists for those those types so the
governance of those colas is quite is quite limited as a as 45:9 is regularly reviewed or it hasn't been reviewed in in a while I think I think it was actually reviewed but I don't think something's been released yet unless others in the room know Pearce Mays is often asked to provide its codes into that because the standard should be covering legacy or in use codes and peers may because of its role in the addressing supply chain is seen as a as a source of the in use address abbreviations for things like the three types Road types except sorry Street three types three suffixes etc they're largely accepted when we hand them through but the problem is it's a it's a it's a long time between drinks I guess on the on the on the review side and so we have to still keep these things are in use people still want to have access to the codes for things like input validation and so it causes some problems when there's a long time between drinks so looking at a way a
better way of doing this because we're trying to publish these things is linked data there's going to be a whole bunch of codes that are that are packaged up with the data and we want better ways of managing those codes so that's why we're looking at this now this is a slide from our colleagues at sciro that they've put into a recommendation for a farmer's data marketplace and essentially it's a they've been looking at the use of social architecture as a means of deliberately designing the institutional arrangements that underpin information infrastructures for quite some time now so I borrowed this this image from from this document that's that I've referenced and I want to zero in and bring your attention to the area which is highlighted which is around it's a section called rules of the game
so following further from their insights we've proposed to manage the code lists as registers and the relevant standard for that is ISO 19135 which is the procedures for item registration we're using that as a guide to identify things like a list of roles for people who would be involved inside the governance the governance tasks that we've got ahead of us and so the main roles that are in their register owner control body submitting organizations register manager and registry manager but the question is who would play those roles and that's a to be a common question for a lot of these things which are sort of community managed here's an
example of what those roles mean that was borrowed this from the indigenous locations working group which was set up quite some years ago I'm sure where this is up to nowadays I might throw that to the group is anyone aware of what's happened to this because I was very but I like I have Joe do you mean
specifically what's happened if anything to the indigenous locations working group yeah I can't say I know let's
let's wait and see if anyone so
ultimately we've got I've spoken about a
call bunch of different roles if you see at the top you've got a register owner
who then appoints a control body they delegate the basis that they they effectively have the decision although you then have Oh somebody's managing the regice register and they requests decisions from the control body in order to make sure that the contents kept up-to-date they then make the edits to the Registrar they may choose a separate registry manager to effectively host or store that register make it accessible and then that's used by the users who I haven't covered in that previous slide has anyone got any questions there is everyone has everyone sort of seen this this standard before Joe I've seen
behalf of others I think some of us definitely have but yes I mean it was
the attention to get your talk to talk about you know real local deployment of
the this and and yes your question is anyone else used it so I flutter says before if people are interested in even commenting on what Joe's are asked said or asking questions there's a chat box here just put your questions down in that chat now and then at the end of Joe's talk we can um we can visit those incense and of course for Joe and for Bridget's talk and see what's written there okay up sighs I
think an answer I mean there's probably others who could too so I'll just move forward so it
turns out in the world of addressing these are factually fairly clearly defined so in terms of the registered owner we've got the Intergovernmental Committee on surveying and mapping and the other people who have had been the most input into these code lists when a is 4590 comes up for a review so despite the fact that they're not the the main people who are reviewing the standard I think that's because it's such a broad standard but when it comes to what are the code lists that are being used they've historically used previous standards created by the or managed by the the Intergovernmental Committee on surveying and mapping or ICS em and but some of those stands the codelist have been reduced because the main standard that they use is one about new addresses and of course that doesn't consider some of the legacy ones they want to try and reduce the number of ones that are used for new addresses so that list has come down to 15 I think it's 15 or a very small number of codes in the code list but that's not the whole in-use thing in this thing now is sort of being sought from PSMA because we have we have the the largest um um considered most complete data set of those so the control body wasn't there's a there's a permanent committee on um on addressing which sits inside the ICS em structure and they're a logical place to to delegate the decisions to with things respected with respect to addressing submitting organizations essentially for us if gene F becomes the the register then the gut the people who already supply us make sense to be the first set of submitting organizations if that if this then needs to be increased then we can go about doing that and then Pearson a is the register register manager once we've got a better handle on on how we want to go about this publication tasks then the idea of who would be the registry manager will become more more um clear at the moment Saro again another thank you to Sarah who are currently hosting the link data product that we're working on and which which currently contains those code lists
during the course of the linked data demonstrator we identified help business process for maintaining the code lists might work we've proposed the business process to the nominated registry owner which is ICS em who have accepted their role and delegated them to the nominated I sorry and the delegation to the nominated control body which is a permanent committee on on addressing we're currently waiting for the decision to be documented in the permanent committee in a dressings minutes in fact I think they need to accept that responsibility as part of that process as well I don't believe they've met since since we've we've asked them to accept their responsibility in this government's process the june of contributors will become the first submitting organizations the business process allows for the resource to be live and and still have solid governance this is done by effectively having an experimental data resource that we manage statuses according to iso:191 35 statuses I've added the proposed governance process to Australian government data working with github repository so I'll included the link to that below so if anyone wants to have a look at that you can just click on that link and and get in there and have a look and I guess what I'm keen to hear
are people's thoughts comments and feedback on that we're looking to hold a retrospective which what I'd be doing now is inviting those people who participate all those organisations who participated in the first workshop to get back together to present to them what we've delivered in terms of the link data resources what we haven't why some of the impediments and discuss some of those some of the things that that get in the way of this task so that we can try and learn from the experience and then when we start to plan next steps and we still have a little bit of time left to accomplish the entire lot of things we can learn from what we've done so far and that the collective knowledge in there at the table happy to keep you guys informed of that so if you put any any feedback or comments into that retrospective processed and I'll bring it to the table when that and there's a couple other people in the room I noticed that some that I'd also like to have who were also there at that first first workshop so any one of us can bring your comments into that room and then keep you informed of of the the status of those recommendations in the actions that are taken after that so yeah so that's it for me get involved
you're doing a lot of well now our
motion information updates the B is
framed on them they're a different route now this is the progress Davis that's we just turn
the volume on there's a link to the in
progress publication data set so data
see that we're publishing on today and
also I mean a email well or anything like that then luckily my contact
details so Lennart a flat and these presentations attention to