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14:00:59 <RRSAgent> logging to http://www.w3.org/2016/09/07-sdwbp-irc
14:01:01 <trackbot> RRSAgent, make logs world
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14:01:03 <trackbot> Zakim, this will be SDW
14:01:03 <Zakim> ok, trackbot
14:01:04 <trackbot> Meeting: Spatial Data on the Web Working Group Teleconference
14:01:04 <trackbot> Date: 07 September 2016
14:01:14 <jtandy> present+ jtandy
14:01:30 <ClemensPortele> ClemensPortele has joined #sdwbp
14:01:44 <eparsons> present+ eparsons
14:01:59 <Payam> present+ Payam
14:03:39 <jtandy> agenda: https://www.w3.org/2015/spatial/wiki/Meetings:BP-Telecon20160907
14:04:03 <BartvanLeeuwen> BartvanLeeuwen has joined #sdwbp
14:04:23 <eparsons> scribe: eparsons
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14:05:19 <ClemensPortele> present+ ClemensPortele
14:05:40 <AndreaPerego> AndreaPerego has joined #sdwbp
14:05:49 <jtandy> topic: approve last meetings minutes
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14:06:25 <eparsons> PROPOSED : Approve last week's minutes
14:06:33 <ByronCinNZ_> present+ ByronCinNZ
14:06:35 <jtandy> http://www.w3.org/2016/08/31-sdw-minutes
14:06:42 <roba> present+ roba
14:06:46 <eparsons> +1
14:06:47 <jtandy> +1
14:06:50 <ClemensPortele> +0 (wasn't there)
14:06:54 <ScottSimmons> +1
14:06:56 <roba> +1
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14:07:08 <eparsons> RESOLUTION : Approve last week's minutes
14:07:11 <jtandy> topic: patent call
14:07:33 <eparsons> https://www.w3.org/2015/spatial/wiki/Patent_Call
14:07:44 <BartvanLeeuwen> present+ BartvanLeeuwen
14:07:46 <MattPerry> present+ MattPerry
14:08:20 <ScottSimmons> present+ ScottSimmons
14:08:25 <jtandy> topic: BP document status
14:08:27 <eparsons> jtandy - 1st thing... BP doc status
14:09:12 <eparsons> jtandy Doc not changed from last week... many threads via email over last week however
14:09:36 <AndreaPerego> present+ AndreaPerego
14:09:55 <eparsons> jtandy time consuming so docs not up to date..
14:10:56 <eparsons> jtandy Flooding scenario expanded however for particular actors results in around 12 cases studies...
14:11:32 <ClausStadler> present+ ClausStadler
14:11:56 <eparsons> jtandy - one of these where is your data, then what is your data, what format etc - so linear workflow
14:12:25 <eparsons> jtandy - Difficult to do, but will be published in next 24hrs - Good Idea ?
14:12:33 <jtandy> q?
14:15:40 <eparsons> eparsons - Seems good keeps the doc practical
14:16:27 <eparsons> jtandy - often not possible to suggest one solution
14:16:58 <eparsons> jtandy - editors are creating content rather than editing at the moment
14:17:16 <eparsons> jtandy - new stuff from linda will come before TPAC
14:17:40 <jtandy> topic: TPAC agenda for BP session
14:17:51 <jtandy> https://www.w3.org/2015/spatial/wiki/Meetings:F2F4-best-practice-agenda-scratch-pad
14:18:00 <eparsons> jtandy - scratch page...
14:18:43 <eparsons> jtandy Linda & BartvanLeeuwen & jtandy have made a few points
14:19:57 <eparsons> jtandy - talks through list....
14:20:09 <eparsons> jtandy - Sound Good ?
14:20:14 <BartvanLeeuwen> +1
14:20:26 <ClemensPortele> the list sounds good to me
14:20:30 <eparsons> jtandy Agenda will be made from list
14:20:30 <jtandy> q?
14:20:37 <eparsons> +1
14:20:44 <roba> +1
14:20:55 <ByronCinNZ_> +1
14:21:15 <ScottSimmons> -1
14:21:15 <Payam> +1
14:21:19 <MattPerry> -1
14:21:22 <eparsons> jtandy - Can you +1 / -1 your attendance at TPAC
14:21:22 <ClemensPortele> +0.5
14:21:25 <BartvanLeeuwen> +1
14:21:27 <eparsons> +1
14:21:27 <jtandy> +1
14:21:30 <MattPerry> -1
14:21:34 <ByronCinNZ_> -1 but can dial in
14:21:40 <AndreaPerego> +1
14:21:46 <ClausStadler> -1 but can dial in
14:21:52 <eparsons> ClemensPortele 0.5 = might be there
14:22:02 <roba> -1 will dial in
14:23:20 <jtandy> topic: Coordinate Reference Systems
14:23:52 <Payam> http://w3c.github.io/sdw/bp/
14:24:00 <eparsons> Payam Several discussions re coordinate systems - added a note
14:24:28 <eparsons> Payam Note - Intro and summary of discussion
14:24:57 <eparsons> Payam issue should we allow multiple coordinate systems
14:25:32 <eparsons> Payam Note as intro and then BP with more details
14:25:47 <Payam> https://docs.google.com/document/d/1EO70CvPJWg_dWcmgrzElUQMe6IK5OTry5S291ALQoKo/edit
14:28:08 <eparsons> Payam use eparsons doc and note as starting point... something ready for TPAC
14:29:13 <eparsons> jtandy an extension of our default CRS discussion..
14:30:54 <jtandy> q?
14:30:58 <ByronCinNZ_> q+
14:31:07 <Payam> +q
14:31:10 <jtandy> ack ByronCinNZ_
14:31:15 <eparsons> jtandy - So recognise that the use of different CRS is OK
14:31:59 <eparsons> ByronCinNZ_ Lots on the topic 4326 is an OK default - not always useful however
14:32:26 <eparsons> ByronCinNZ_ Many reasons to use a different CRS however
14:32:41 <roba> q+
14:33:24 <eparsons> jtandy We suggest people make a choice of data encoding, etc CRS another choice
14:34:06 <eparsons> ByronCinNZ_ GeoJSON use of WGS84 not popular with some standards organisations
14:34:23 <jtandy> q?
14:34:29 <jtandy> ack Payam
14:36:07 <ByronCinNZ_> q+
14:36:23 <eparsons> Payam - several mails on using multiple CRS - is this really a BP?
14:36:24 <jtandy> ack roba
14:37:02 <eparsons> roba Issue not multiple.. but identification of CRS
14:37:05 <ByronCinNZ_> q-
14:37:13 <eparsons> +1 to roba
14:37:19 <ByronCinNZ_> q+
14:37:54 <eparsons> ByronCinNZ_ Identification needs BP, multiple does not ?
14:37:55 <jtandy> q?
14:38:12 <jtandy> ack ByronCinNZ_
14:38:26 <eparsons> roba issue if multiple and can't tell them which is whcih
14:39:11 <ByronCinNZ_> Sound issues
14:39:22 <jtandy> q?
14:39:57 <eparsons> ByronCinNZ_ - Need to be more precise with language..
14:40:22 <eparsons> ByronCinNZ_ WGS84 is not really a CRS on it's own...
14:40:42 <eparsons> jtandy WGS-84 is the datum...
14:40:50 <jtandy> topic: Resolving open discussion threads
14:41:01 <eparsons> jtandy 5 in 20 mins
14:41:11 <jtandy> > describing properties that change over time
14:41:40 <eparsons> jtandy thread in agenda - but long... summary coming
14:42:46 <eparsons> jtandy - if thing changes we can use versions of geometry or position is dependent variable in time series coverage ?
14:42:51 <jtandy> q?
14:42:52 <eparsons> q+
14:42:57 <jtandy> ack eparsons
14:46:03 <eparsons> jtandy - Clarifies both approaches are suggested..
14:46:14 <ByronCinNZ_> q+
14:47:21 <jtandy> ack ByronCinNZ_
14:47:44 <eparsons> roba Works when there is a authority to id features, eg. a vehicle
14:47:55 <jtandy> q?
14:47:59 <eparsons> ByronCinNZ_ GPS tracks > GPX apprach
14:48:35 <eparsons> topic : indirect identifiers
14:48:53 <eparsons> roba jtandy email is a good summary
14:49:09 <eparsons> roba feels over complicated to redirect
14:49:11 <AndreaPerego> Jeremy's (great) summary: https://lists.w3.org/Archives/Public/public-sdw-wg/2016Sep/0096.html
14:49:16 <jtandy> here's the summary of the thread: https://lists.w3.org/Archives/Public/public-sdw-wg/2016Sep/0096.html
14:49:48 <eparsons> roba many different angles - stability, representations, naming ...
14:50:14 <eparsons> roba difficult to conflate if representation is the same as "the thing"
14:51:07 <eparsons> roba redirect to url creates implicit relationship  so - sameas ?
14:52:32 <eparsons> jtandy Long thread... worth reading !!
14:56:22 <eparsons> jtandy - Read summary
14:57:18 <eparsons> jtandy architecture of web 101 talks about indirect identification - Nadia's mail box is actually talking about Nadia
14:57:49 <jtandy> relative positioning, describing "fuzzy" spatial things and Linear Referencing
14:58:15 <eparsons> jtandy topic : relative positions, fuzzy boundaries , LR
14:58:45 <eparsons> jtandy help needed for spatial relations - topological relations
14:59:13 <eparsons> jtandy topological relations - which ones ??
14:59:39 <eparsons> jtandy relative location relations ? North 35m for example ?
15:00:31 <eparsons> jtandy add to TPAC discussion...
15:01:31 <eparsons> jtandy ANOB ?
15:01:38 <BartvanLeeuwen> thx jtandy eparsons
15:01:44 <BartvanLeeuwen> bye
15:02:04 <AndreaPerego> Thanks, and bye!
15:02:11 <Payam> thanks and bye
15:02:12 <ClemensPortele> thanks - bye
15:02:12 <eparsons> bye all
15:02:14 <ByronCinNZ_> Bye
15:02:52 <eparsons> rrsagent, draft minutes
15:02:52 <RRSAgent> I have made the request to generate http://www.w3.org/2016/09/07-sdwbp-minutes.html eparsons
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15:03:10 <eparsons> will do waiting for you ?
15:04:05 <eparsons> Enjoy CH jtandy
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