14:01:52 RRSAgent has joined #sdwbp 14:01:52 logging to http://www.w3.org/2016/05/18-sdwbp-irc 14:01:54 RRSAgent, make logs world 14:01:54 Zakim has joined #sdwbp 14:01:56 Zakim, this will be SDW 14:01:56 ok, trackbot 14:01:57 Meeting: Spatial Data on the Web Working Group Teleconference 14:01:57 Date: 18 May 2016 14:01:59 present+ phila 14:02:13 present+ BartvanLeeuwen, ByronCinNZ, ClausStadler, Linda 14:02:21 present+ ByronCinNZ 14:03:02 present+ ClausStadler 14:04:16 regrets+ Jeremy, Payam, Scott, Clemens, Josh, Kerry, Bill, Ed, Matt 14:04:20 scribe: phila 14:04:25 scribeNick: phila 14:04:49 Nicky has joined #sdwbp 14:04:56 present+ Nicky 14:05:22 chair: Linda 14:05:48 agenda: https://www.w3.org/2015/spatial/wiki/Meetings:BP-Telecon20160518 14:06:03 ByronCinNZ_ has joined #sdwbp 14:06:44 ByronCinNZ, Nicky, can you join the webex? 14:07:15 -> www.w3.org/TR/2016/WD-dwbp-20160519/ DWBP 'Last Call' 14:07:50 AndreaPerego has joined #sdwbp 14:10:25 PRPOPSED: Accept last week's minutes https://www.w3.org/2016/05/04-sdwbp-minutes 14:10:34 PROPOSED: Accept last week's minutes https://www.w3.org/2016/05/04-sdwbp-minutes 14:10:40 +1 14:10:42 +1 14:10:56 +0 (unfortunately missed it because i confused the time) 14:11:00 +0 not there 14:11:23 RESOLUTION: Accept last week's minutes https://www.w3.org/2016/05/04-sdwbp-minutes 14:11:34 present+ AndreaPerego 14:11:39 https://www.w3.org/2015/spatial/wiki/Patent_Call 14:11:41 -> https://www.w3.org/2015/spatial/wiki/Patent_Call Patent Call 14:12:22 Topic: Progress of BP Narrative 14:12:41 Linda: Lots of regrets for this week 14:13:18 ... AS I think we know, we're working on a narrative to use as the main structure of the doc. Narrative is about a flood event and the emergency response to it 14:14:00 -> https://www.w3.org/2015/spatial/wiki/BP_Narrative_2 Narrative 14:14:23 Linda: Jeremy divided the narrative into 9 sub items and assigned an owner to each section. 14:15:27 Linda: First item is listed without an owner in the agenda but Jon Blower & co at Reading Uni are going to cover that for us. 14:15:42 q+ 14:15:57 Linda: Have you had a chance to look at it, Bart? 14:15:58 ack b 14:16:21 BartvanLeeuwen: A quick remark - I wasn't on the call when this was mentioned before is about terminology. 14:16:29 ... I have problem with the work inundentation 14:16:37 phila: (it just means flood) 14:17:17 Linda: It should be clear from the last minutes that we decided that we wanted to make it clearer. Avoid too specific terminology. It just hasn't been done yet. 14:17:48 BartvanLeeuwen: OK, I remember we had the discussion 14:18:04 phila: It's not an exact synonym, but it's probably OK 14:18:08 Linda: OK, let's say flood. 14:18:37 BartvanLeeuwen: Nicky is here to help take weight off my back but we're both in a project for the Dutch Fire Department and the Road and water authority 14:18:48 ... Talking about exchanging data on flooding 14:19:03 ... ALl the stuff that is in this narrative is what we talk about with them. 14:19:27 ... As ever, a lot of discussion with them is so far mostly about process but that's always the case. 14:19:43 ... We're hoping for more discussion about what is happening in the wild. We certainly mentioned this WG 14:20:23 Topic: Item 3 Publish flood inundation forecast data as vector dataset and identify the administrative areas (?) that each inundation area is predicted to impact 14:20:48 Linda: This is where a Web developer decides to use some data. He will convert a coverage to a feature dataset 14:20:59 ... That sounds like a lot to ask of a Web developer 14:21:09 ... and then publish this data as a set of features with persistent URIs etc. 14:21:21 ... Identify the admin areas that touch the flooded areas. 14:21:39 ... I decided to try and provide some content for this part of the narrative but I can't provide everything that Jeremy wrwote. 14:21:57 ... I have the Geonovum testbed where interesting stuff has been going on. 14:22:26 Linda: What I said was that those flooded areas are new features and the developer will need to mint their own IDs 14:22:52 ... Next step is relate each flooded area to an admin area. He'll do this offline with a GIS tool. 14:23:11 ... Not interesting here to talk about how that's done. But he creates links from the flooded areas to admin. 14:23:19 ... I gavce a JSOn example of that. 14:23:40 Linda: There are more parts of the task that Jeremy descibes that I don't have any content for. 14:23:45 RRSAgent, draft minutes 14:23:45 I have made the request to generate http://www.w3.org/2016/05/18-sdwbp-minutes.html phila 14:24:03 Linda: Need to think about data compactness and performance 14:24:23 ... Again had some Geonovum test bed info I could use. Algorithms for reducing hte number of points in a geomoetry. 14:24:47 Linda: Last thing to do is to include provenance data so we know which ervsion of the dataset was used. 14:24:58 ... Dunno about that so I didn't provide that info for the narrative. 14:25:16 ... I tell you this as an example of how you can provide content for one of those narrative items. 14:25:44 ... It doesn't mean that an owner has to know everything. Just put in what you can and work with others to complete it. That's the part I have left to do. 14:25:50 ... But I already have some examples in there. 14:26:01 phila: How long did it take? 14:26:05 Linda: About 2 hours 14:26:36 Linda: if we get more content like this in the other narrative items then that's going to help. 14:26:40 q+ 14:26:59 ... What we need most is examples... How you can do things like simplify geometries 14:26:59 ack b 14:27:06 BartvanLeeuwen: I see you;re using stuff from the testbed 14:27:23 ... The project was obviously set up to get insights to see how things can be done, but is that a BP? 14:27:52 BartvanLeeuwen: This whole geonovum test bed tried various things to see how we could solve problems but there's no production environment around it. 14:28:23 ... I'm not against that as I'm facing some of those problems myself, but on the plenary call I'd like to hear what people think. 14:30:26 phila: makes the case for *some* fiction, to support the real world intended outcomes 14:30:57 BartvanLeeuwen: There aren't any BPs yet, so we have no real world info to draw on. 14:31:08 ... We'd find lots of ways of solving the problem. 14:32:18 BartvanLeeuwen: So in an example, we say that you need to have a URI for your features. Then show how you might do it, not how you must do it. 14:33:15 Linda: For the simplifying geometries, we would say that you shoujld provide simplified geometries and then we can offer one or more examples 14:33:20 phila: Sounds right to me 14:34:05 Linda: AndreaPerego your name is on item 4 14:34:11 ... Anything to report? 14:34:30 AndreaPerego: I was thinking about how I can contribute. It's not clear to me which level of detail we should aim for. 14:35:01 ... I said I'd take care of the metadata part. So I want to work out how I can apply this to the narrative. 14:35:21 ... I'm not sure I can address all the relevant metadata issues just sticking to the narrative. 14:35:26 Linda: Can you give an example? 14:36:00 AndreaPerego: We have this data, we have to make it discoverable, so the related BPs about publishing metadata, but also about the format we want to use for the publications. 14:36:09 ... Using schema.org, perhaps. 14:36:37 AndreaPerego: There are some open issues on how to specify the precise geometry, bouncding box, CRS, spatial resolution etc. 14:36:49 ... Is it fine if I can just address some of the BPs 14:37:16 Linda: I think that would be a good way to go. That's what I did. I couldn't provide complete content for item 3, so I filled in what I could. 14:37:29 ... The next step is to add more, perhaps someone else can do that. 14:37:42 AndreaPerego: OK, I'll try and do my draft by next week. 14:38:19 AndreaPerego: One thing that might be relevant to scope broadening, might be to share metadata via multiple platforms so that people from other communities can find it. 14:38:32 AndreaPerego: Are we bound to the boundaries? 14:38:43 Linda: I think you're free to broaden it... 14:38:59 ... I think if you publish the metadata so it's usable in different platform, that improves discovery 14:39:09 ... SO you're touching on GeoDCAT I guess? 14:39:28 AndreaPerego: You have spatial metadata in ISO19115 but you want to make it available in RDF too. 14:39:36 q+ to ytalk about the workshop 14:39:54 Linda: And you mentioned the Data Quality Vocab to talk about spatial resolution 14:40:08 AndreaPerego: Is spatial resolution a use case for the DQV? 14:40:34 BartvanLeeuwen: What do you mean exactly? 14:40:51 AndreaPerego: The map has 1km or 1m resolution, 1:1000 and so on 14:41:01 ... That's a differnet level of generalisation 14:41:40 BartvanLeeuwen: That's rlevant. If you;re looking at a flood map, it matters if it's at 50 m or 100m resolution 14:41:45 -> https://www.w3.org/TR/2016/WD-vocab-dqv-20160519/ DQV 14:43:10 phila: Talks about the DQV and hwo it should be possible to express spatial resolution using it. 14:43:25 AndreaPerego: I'll try and do my bit by next week's plenary call 14:43:56 q- 14:44:11 Linda: I won't go into other areas as the owners aren't here today. 14:44:20 Topic: Steps for completing the narratuve 14:44:29 s.narratuve/narrative/ 14:44:33 s/narratuve/narrative/ 14:45:00 Linda: Jeremy wants us to reference sources of data. That speaks to Bart's question about what needs to be real world 14:45:12 Linda: Maybe we shouldn't be too strict about that. 14:45:39 phila: wonders where Linda is reading this from? 14:46:04 Linda: from the agenda https://www.w3.org/2015/spatial/wiki/Meetings:BP-Telecon20160518#Main_agenda 14:46:17 Completing the narrative 14:46:17 (i) reference source implementations "in the wild" 14:46:17 (ii) convert the implementation pattern to discuss the relevant aspect of the flooding scenario; 14:46:17 (iii) create a full worked example; publish to GitHub? 14:46:17 (iv) grab code snippets for the Best Practice document 14:46:40 Linda: from this list, I think the first item we havea discussed and we should bring it up in the full group. 14:47:04 ... The other parts, esp 3 and 4 ... full worked examples might be simple for some and a hurdle for others. 14:47:12 ... Not everyone can publish a full example 14:47:31 q+ 14:48:11 phila: Examples can be published on w3.org with the doc 14:48:14 ack b 14:49:01 BartvanLeeuwen: Asked about time line 14:49:16 phila: Suggested that an extension to July 2017 seems likely. 14:49:30 BartvanLeeuwen: Nicky nad I will have a product within that time 14:49:40 ... The demo needs to be finished in September this year 14:50:09 ... SO by summer next year that's well within time 14:50:27 Linda: That would be good. It also means that as a WG we don't need to create a full example 14:51:57 phila: Dips a toe into problem of seeming to support one solution 14:52:07 BartvanLeeuwen: It's a demo that will be oppen source etc. by the fire department 14:52:11 phila: Sounds good. 14:52:17 RRSAgent, draft minutes 14:52:17 I have made the request to generate http://www.w3.org/2016/05/18-sdwbp-minutes.html phila 14:52:27 +1 14:52:40 Thanks, and bye. 14:53:00 Nicky has left #sdwbp 14:55:53 Nicky has joined #sdwbp 14:55:56 Nicky has left #sdwbp