[Fiware-data] Minutes of Data/Context Management WP weekly follow-up confcall 11-07-01

Guy Sharon GUYSH at il.ibm.com
Sun Jul 3 21:15:14 CEST 2011


The document I commented on with my comments are in the following link 
since 26th June
https://forge.fi-ware.eu/docman/view.php/9/205/FI-WARE+High-Level+Desc+Data-Context+v2.0+11-06-22+valid+until+11-06-24+comments+Guy.doc

1. Regarding security - no comment in the document as the trustworthy 
point covers the ones I suggested
2. Big Data - the document includes my comments to this
3. Intelligent Service - my comments are not there as I sent a separate 
document which i didnt upload but did now here:
https://forge.fi-ware.eu/docman/view.php/9/227/FI-WARE+High-Level+Description+11-06-1+v0.2+Intelligent+Services+comments+Guy.doc
4. My comment below on Boris's changes to data\context\event are on based 
on the document here: (didnt do updates to this just commented in this 
email)
https://forge.fi-ware.eu/docman/view.php/9/214/Boris+Definition+of+data-context-event+structure+TID%2BIBM%2BTI_to_check_with_Juanjo_if_last.doc


Guy Sharon
Manager
Event-based Middleware & Solutions Group


Event-based Middleware & Solutions

phone : 
+972 4 8296587
mobile : 
+972 54 6976417
address : 
IBM R&D Labs in Israel, Haifa University Campus, Mount Carmel, Haifa, 
31905, Israel
email : 
guysh at il.ibm.com




From:   Juanjo Hierro <jhierro at tid.es>
To:     fiware-data at lists.fi-ware.eu
Date:   03/07/2011 21:11
Subject:        Re: [Fiware-data] Minutes of Data/Context Management WP 
weekly follow-up confcall 11-07-01
Sent by:        fiware-data-bounces at lists.fi-ware.eu



Dear Guy,

  My comments between lines of your message ...

On 03/07/11 19:55, Guy Sharon wrote: 
Hi, 
Guy produced a description of some security topics to be included in the 
"Question Marks" section some time ago.   He will review the current 
content of the "Security aspects" subsection in "Question Marks" and will 
determine if some additional entries can/should be added. 
I looked at this last week and commented - my topics were around trust 
(more detailed) and the current content includes this as one bullet - DONE 

I did put some additional comments in an earlier version regarding: 
1.      "Data event refers to event objects handled by the CEP GE or the 
Publish/Subscribe Broker GE that are wrapping a data element, while 
context events refer to event objects handled by the CEP GE or the 
Publish/Subscribe Broker GE that are wrapping a context element" - Why do 
we need to express this? Is there a distinction between the two for 
handling the event? From CEP point of view there is no importance and this 
might just confuse more than anything 
2.      I also disagree with TI latest comments on the data\context\event 
definition document saying...
"An event is a particular case of the context element that does not have 
the EntityId and EntityType components" - event is an event that can stand 
on its own - why tie it to context as a particular case - this is too 
restrictive and for the world of events mean absolutely nothing. We say 
that structure wise it can be from data or context element so why say its 
a particular case of context. It for the structure but for the semantics 
it is of no importance see point (1) above 
3.      Topics under discussion - I added 2 for which the second one I 
will provide a few paragraphs of discussion on Monday
Internal GE communication 
The method of communication with GEs is under discussion whether it is 
proprietary and therefore be optimized or standard (perhaps using the same 
interfaces we expect data be accessible to the Context and Data Management 
and vise versa. For example, what is the method of communication between 
the Massive Data Gathering GEs and the Processing GEs. What is the method 
of communication between GEs and the storage for accessing or writing? And 
how do the processing GEs communicate with the Pub/Sub GE. 
When to use BigData and CEP GEs? 
Still in discussion are the circumstances for use of one of these or even 
both. The programming paradigm may be different and useful for different 
cases. The requirements of processing such as latency, amount of data or 
nature of the processing logic may imply what GE to use. All this is to be 
clearly described and a set of best practices and rules of thumb to be 
produced to assist developers.

  Have you uploaded these contributions somewhere on the FusionForge 
server ?   Please let me know.
 
Guy will review the new draft of section on BigData Analysis in the new 
version of the chapter uploaded to the server 
  Juanjo will check the status with Guy off-line. - My comments are based 
on the 11/6 version of the chapter - I have not seen in FusionForge any 
new version - is it still to come? 

  Yes, it is still to come.   Please leave your comments somewhere on the 
server so that I can review and integrate them.

  Thanks,

-- Juanjo

Regards, 
Guy Sharon 
Manager 
Event-based Middleware & Solutions Group 


Event-based Middleware & Solutions 

phone : 
+972 4 8296587 
mobile : 
+972 54 6976417 
address : 
IBM R&D Labs in Israel, Haifa University Campus, Mount Carmel, Haifa, 
31905, Israel 
email : 
guysh at il.ibm.com





From:        Juanjo Hierro <jhierro at tid.es> 
To:        "fiware-data at lists.fi-ware.eu" <fiware-data at lists.fi-ware.eu> 
Date:        01/07/2011 17:08 
Subject:        [Fiware-data] Minutes of Data/Context Management WP weekly 
follow-up confcall 11-07-01 
Sent by:        fiware-data-bounces at lists.fi-ware.eu 



Hi all,

 These are the quick minutes taken during our weekly follow-up confcall.

Attendees

 Peter et al (Siemens)
 Fano (Orange)
 Boris (TI)
 Juanjo (TID)


Topics addressed / actions:

 Juanjo remind that all final contributions to the chapter should be 
uploaded under the contribs folder pending from the D2.2 folder of the 
FI-WARE data project docman system in FusionForge.   This would be very 
helpful to avoid problems during the final integration.

 Global integration has not yet started because all time has been spent 
reviewing the different chapters.   Juanjo mentioned that a careful 
revision of the IoT Service Enablement chapter has been carried out by him 
to avoid that content of that chapter do not enter in contradiction but 
complements what has been defined in the Data/Context Management chapter.  
People may check the results of that revision looking at the contribs 
folder of the FI-WARE project in FusionForge (there is a file per 
chapter):




 Just for the knowledge of the whole group: 
a consolidated draft of the FI-WARE High-level Description deliverable 
will be sent to the UC projects by monday night. 
the deliverable will be offically released by mid July (already announced 
to the Commission 
  Then, we reviewed the actions agreed during our last confcall. 
  The following actions were agreed during the confcall: 
Peter will review the contribution of Telecom Italia on multimedia 
analysis and will integrate in the description of the multimedia analysis 
GE those points that he believes will not be controversial.  He will 
develop a paragraph (or several if it is appropriate to do so) in the 
"Topics still under discussion" of the "Question Marks" section for those 
points that he finds cannot be yet incorporated and require further 
discussion.    The current draft of the chapter you can download from the 
FI-WARE project (folder FI-WARE deliverables-> D2.2. FI-WARE High-level 
Description->D2.2 contribs) contains the description of topics related to 
Security that could serve as a reference example and guide how to write 
contributions to the "Topics still under discussion" section.   I would 
kindly ask Peter to provide a revised version of the section by Tuesday 
June 29, EOB (it would be preferable that it be available on Monday, but 
can wait until Tuesday) 
  Done.   Files uploaded to the server. 

Guy will review the new draft of section on BigData Analysis in the new 
version of the chapter uploaded to the server 
  Juanjo will check the status with Guy off-line. 
All should review the description of the different GEs and identify 
potential topics to be described in the "Topics still under discussion" or 
"Security aspects" subsections of the "Question Marks" section. Again, 
entries already there in the "Security aspects" section can serve as 
reference examples of the kind of content we intend to have there.   As 
explained in one of the emails I sent to all WPLs and forwarded to you, 
you may think about interdedependencies with another WPs as one valid 
"heuristic" to identify topics.   Others can be related to points you 
believe cannot be considered yet closed.   Deadline for sending 
contributions to the "Question Marks" section is Tuesday June 29, 19:00 
  Boris had already produced a contribution on Security aspects. Everyone 
is entitled to contribute to this section.   Don't forget we don't need to 
provide input for the Security aspects section. 
Guy produced a description of some security topics to be included in the 
"Question Marks" section some time ago.   He will review the current 
content of the "Security aspects" subsection in "Question Marks" and will 
determine if some additional entries can/should be added. 
  Boris has produced a contribution that will be considered for the draft 
version of the deliverable to be sent to UC projects

 In addition to revision of actions from our last call: 
Boris mentioned that TI has contributed a proposal on the section 
describing the Location GE.   They feel confident this new version will 
allow accomodation of the Thales asset and the TI asset but still haven't 
had time to discuss with Thales.   Juanjo will review Boris's contribution 
during the weekend and wll take a decision.   If he considers it risky, 
then will ask Boris to produce some paragraph we may add to the "Question 
Marks" section under the "Topics still under discussion" 
Juanjo mentioned that he wants to review the description of the 
Publish/Subscribe broker GE so that it doesn't only cover requirements but 
really describe entities and how these entities interact each other by 
means of invoking operations they export.   He will try to get it ready by 
monday early in the morning so that Boris can review it on monday and send 
a revised version once he finishes his traveling on monday (monday EOB) 

 Nothing else in my opinion.   If anyone believes I have missed something 
or disagree with what I have summarized here, please let me know.

 Best regards,

-- Juanjo
 




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