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12:08:31 <dape>  present+ Daniel_Peintner
12:09:10 <DarkoAnicic> present+ DarkoAnicic
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12:09:38 <Soumya> present+ SOumya
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12:10:37 <jhund> zakim, pick a scribe
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12:11:18 <VictorCharpenay> (I will Scribe)
12:11:45 <VictorCharpenay> Johannes: F2F@Montreal Updates. Draft agenda available
12:11:57 <VictorCharpenay> https://www.w3.org/WoT/IG/wiki/F2F_meeting_2016,_April,_11th_-_13th,_Montreal,_Canada
12:12:22 <VictorCharpenay> There's still room for contributions
12:12:52 <VictorCharpenay> (see Input/Comments section)
12:13:46 <VictorCharpenay> Sebastian: contribution to add from Bosch about the BEZIRK IoT platform
12:14:07 <toru> toru has joined #wot
12:14:41 <VictorCharpenay> Johannes: there should be a dedicated section for expert talks -> Sebastion will do it.
12:15:38 <VictorCharpenay> Johannes: next topic: Plugfest.
12:16:18 <dape> q+
12:16:20 <VictorCharpenay> room will be available on Sunday for demos, presentation on the same day as open contributions. Same setup as in Nice
12:17:00 <VictorCharpenay> See table on the F2F wiki page for contributions to the plugfest.
12:17:33 <VictorCharpenay> Put your name if you are willing to participate.
12:18:13 <VictorCharpenay> Reminder: deadline for registraton is April, 5th
12:20:42 <VictorCharpenay> Daniel: comment about the plugfest: would it make sense to move it later?
12:21:02 <VictorCharpenay> in the afternoon.
12:22:28 <VictorCharpenay> Johannes: new column in the participatin table for availability on Sunday -> Daniel will do it.
12:23:24 <Louay> q+
12:23:47 <VictorCharpenay> Sebastian: just updated it myself: added an Encoding column to know which encodings are used by the devices.
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12:24:49 <VictorCharpenay> Louay: column for discovery. Still a bit early to tell what kind of discovery we want to setup during the plugfest.
12:25:51 <VictorCharpenay> Johannes: last time, was a central discovery with self-registration to a server (see webthing-repository on Github)
12:26:09 <VictorCharpenay> thingweb-repository*
12:27:10 <VictorCharpenay> Louay: my own demo will offer 3 discovery mechanisms. How a client will know which one(s) is (are) available
12:27:25 <VictorCharpenay> Johannes: How-to needed?
12:28:08 <VictorCharpenay> Sebastian: Feedback from last time: common vocabulary needed. Discovery should rely on that.
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12:31:04 <VictorCharpenay> Louay: also important. Example of SSDP: SSDP requests (similar to UDP request) and response with some links? What should be the content of the requests? Should the response contain link to the Thing Description, something else?
12:31:16 <Yingying> rrsagent, make minutes
12:31:16 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html Yingying
12:31:18 <VictorCharpenay> Indeed, how-to/discussion needed.
12:33:06 <VictorCharpenay> Soumya: als wants to have a mDNS client, we should synchronize.
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12:34:16 <VictorCharpenay> Johannes: this how-to should be included in the Current Practice document (http://w3c.github.io/wot/current-practices/wot-practices.html)
12:34:47 <VictorCharpenay> Sebastian: discussion about a common vocab should also start now.
12:35:15 <VictorCharpenay> Darko: we could use the Scenario table to foresee which concepts are needed.
12:37:31 <VictorCharpenay> Johannes: further topics about the F2F?
12:38:03 <VictorCharpenay> Soumya: in the agenda, joint breakout sessions. Should it be prepared by each TF?
12:39:04 <VictorCharpenay> Johannes: would make sense. Topics should be collected directly on the wiki page.
12:39:42 <Soumya> rrsagent, draft minutes
12:39:42 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html Soumya
12:40:11 <VictorCharpenay> Next topic: Charter
12:40:28 <VictorCharpenay> set up by Dave and Yingying.
12:41:17 <Yingying> s/and Yingying./, kaz and Yingying./
12:41:31 <VictorCharpenay> contributions welcome through Github (issues or pull requests)
12:43:00 <VictorCharpenay> https://github.com/w3c/charter-drafts/blob/gh-pages/wot-wg-2016.html
12:44:02 <VictorCharpenay> in our own Github repo, all raised issues in the WG/ folder should be added to the charter
12:44:55 <VictorCharpenay> Feedback is welcome about this charter, e.g. relevant agenda? IPR?
12:45:22 <kaz> present+ Kaz
12:47:21 <VictorCharpenay> already submitted a PR: https://github.com/w3c/charter-drafts/pull/47
12:47:32 <kaz> rrsagent, draft minutes
12:47:32 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html kaz
12:47:56 <kaz> rrsagent, make log public
12:47:59 <kaz> rrsagent, draft minutes
12:47:59 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html kaz
12:48:30 <kaz> Meeting: WoT IG/TF-TD
12:48:35 <VictorCharpenay> end of the IG topics. Moving to TD topics
12:48:38 <kaz> Chair: Johannes
12:48:40 <kaz> rrsagent, draft minutes
12:48:40 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html kaz
12:49:16 <VictorCharpenay> topic: New TD structure
12:49:53 <kaz> [ present: Kaz, Johannes, Achille, Claes, Daniel, Darko, Johannes, Katsuyoshi, Louay, Michael, N_Wang, Ryuichi, Soumya, Takuki, Toru, Victor, Yingying ]
12:50:38 <kaz> -> http://w3c.github.io/wot/current-practices/wot-practices.html WoT Current Practices Document
12:50:54 <VictorCharpenay> see Current Practice document.
12:51:33 <VictorCharpenay> s/see Current Practice document/Sebastian: see Current Practice document/
12:52:39 <VictorCharpenay> new structure based on feedback from last time.
12:52:47 <VictorCharpenay> 1. "href", new term to indicate how to access the Thing's properties, events, events.
12:53:08 <VictorCharpenay> 2. removed "metadata". Instead metadata fields directly in the root object
12:53:17 <kaz> -> http://w3c.github.io/wot/current-practices/wot-practices.html#quick-start-td-samples Example 1 at 3.1.1 Quick Start: TD Samples
12:53:33 <jhund> q+
12:53:47 <kaz> q?
12:54:06 <VictorCharpenay> Michael: clarification: intended to use standard URI rules (like concatenation of base URI and localname)?
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12:54:17 <kaz> q+ jhund
12:54:28 <VictorCharpenay> (example was "href": "temp")
12:55:22 <dape> q+
12:55:47 <VictorCharpenay> those rules are defined in RFC 3986
12:56:28 <toru> present+ Toru_Kawaguchi
12:56:44 <VictorCharpenay> something that would be needed is to have composite Things
12:57:19 <kaz> q?
12:57:32 <Soumya> q+
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12:59:22 <kaz> q?
12:59:45 <VictorCharpenay> Victor: it has been added to the TD vocabulary: "associatedThing", to link different Things with each other
13:00:07 <jhund> ack jhund
13:00:13 <VictorCharpenay> Johannes: other comment about mandatory and optional fields
13:00:30 <Soumya> I have to leave now, but I have experience the same Michael mentioned. I considered them as M2M device having several endpoints and described the device and endpoints seperately.
13:00:44 <Soumya> I can talk on this later if required
13:00:51 <Soumya> Bye for now
13:00:53 <VictorCharpenay> Sebastian: all this should be added in the Current Practice document
13:01:20 <VictorCharpenay> Soumya and Johannes agree with Michael
13:03:47 <VictorCharpenay> Johannes: TD is the blueprint of how to communicate with the Thing. Not known beforehand. Need for TD "template§?
13:04:03 <VictorCharpenay> s/"template§/"template"
13:04:17 <VictorCharpenay> s/"template§/"template"/
13:05:52 <VictorCharpenay> Darko: similar to the difference between class and instance. Using classes/templates could increase interoperability
13:05:53 <jhund> q?
13:06:20 <Sebastian> ack dape
13:07:18 <VictorCharpenay> Daniel: about Michael's question about "href". In case of URI arrays, cartesian product or one-to-one mapping?
13:08:17 <VictorCharpenay> Michael: definitely not in the RFC. Should have a kind of "map" of base URIs
13:09:23 <VictorCharpenay> where each base URI fits
13:09:51 <VictorCharpenay> Daniel: what if the resource structure is different depending on the scheme (HTTP, CoAP)?
13:10:45 <Sebastian> ack Soumya
13:11:33 <VictorCharpenay> Michael: chance of having such a situation?
13:12:10 <VictorCharpenay> Sebastian: this was about TD core. There's also the possibility to extend a TD with other vocabularies.
13:12:23 <VictorCharpenay> Darko will present this part
13:13:32 <VictorCharpenay> Darko: 1. machine-readable -> defined term in vocabs already available.
13:14:33 <VictorCharpenay> 2. aditional properties to describe a Thing? Provided in an extended context, as shown in Example 2 of the Current Practice doc.
13:15:02 <VictorCharpenay> Ex: "@type": "sensor:Temperature"
13:15:16 <VictorCharpenay> or "sensor:unit": "sensor:Celsius"
13:16:40 <MIchael> q+
13:17:13 <VictorCharpenay> Michael: it really makes sense to do such things.
13:18:14 <VictorCharpenay> have you tried to convert JSON-LD into RDF triples?
13:21:24 <VictorCharpenay> Darko: by the way, we have much better TDs if we start from RDF and turn them afterwards into JSON-LD than writing it directly in JSON-LD
13:22:10 <VictorCharpenay> Michael: things would be easier if we put as many things in the context, maybe?
13:23:13 <VictorCharpenay> Darko: want to standardize TD, we shouldn't re-standardize existing vocabs (such as units, quantity kinds)
13:25:43 <VictorCharpenay> way to go -> one TD context + one horizontal context for common concepts like units?
13:26:32 <VictorCharpenay> Sebastian: moving on to the next example of a TD (see Current Practices)
13:27:21 <VictorCharpenay> "uri", "decodings". And "security": requirements to access Thing's resources
13:27:30 <jhund> ack MIchael
13:27:58 <VictorCharpenay> self-contained. Example 3 shows auth with JSON Web Token (JWT).
13:30:42 <VictorCharpenay> A lot of new things, details to be found on the document. Comments welcome.
13:31:49 <VictorCharpenay> other questions about the TD?
13:32:30 <VictorCharpenay> End of the meeting.
13:32:40 <Yingying> rrsagent, make minutes
13:32:40 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html Yingying
13:35:23 <Yingying> present: Kaz, Johannes, Achille, Claes, Daniel, Darko, Johannes, Katsuyoshi, Louay, Michael, N_Wang, Ryuichi, Soumya, Takuki, Toru, Victor, Yingying
13:35:30 <Yingying> rrsagent, make minutes
13:35:30 <RRSAgent> I have made the request to generate http://www.w3.org/2016/03/16-wot-minutes.html Yingying
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