It should be the same thing but often I've found that people's conceptual model goes way beyond the entity and reference level and right into the detail
Steve On 4 July 2010 23:40, Michael Poulin <[email protected]> wrote: > > > And conceptual model is... > > - Michael > > ------------------------------ > *From:* Steve Jones <[email protected]> > > *To:* [email protected] > *Sent:* Fri, July 2, 2010 6:45:55 AM > > *Subject:* Re: [service-orientated-architecture] About canonical data > model > > > > +1 > > > On 1 July 2010 14:28, Dennis Djenfer <d...@algonet. se > <[email protected]>>wrote: > >> >> >> Unfortunately we don't have common names for all those different kinds of >> models that we're using in this industry, so it can be quite hard sometimes >> to understand what kind of model someone is talking about. I'm talking about >> a high level information model accompanied with a definition and description >> of each object in the model. You may use an ER-tool to create the model, and >> it's only the most important enterprise information objects that goes into >> this model and only the most important relations between these objects. The >> objects may have attributes, but it's only the most relevant and important >> attributes that are used in the model. However, it's not a conceptual model, >> it's an information model. >> >> // Dennis Djenfer >> >> >> >> On 2010-06-28 22:56, Michael Poulin wrote: >> >> Dennis, >> if you mean a common (for the enterprise) data vocabulary (what is what >> and how it relates to others), I am with you. >> >> - Michael >> >> ------------------------------ >> *From:* Dennis Djenfer <d...@algonet. se> <[email protected]> >> *To:* service-orientated- architecture@ yahoogroups. >> com<[email protected]> >> *Sent:* Tue, June 22, 2010 11:05:47 PM >> *Subject:* Re: [service-orientated -architecture] About canonical data >> model >> >> >> >> I agree with that. Data models can be defined on many abstraction levels, >> and when people are talking about using a common data model they often mean >> very different things. I believe in using a common enterprise data model as >> one of the cornerstones when integrating systems or creating services, but >> I'm not talking about a detailed data model, rather something like your MDM >> approach or even higher abstraction levels. I've found this high level >> common enterprise data model being very effective at creating a common >> understanding of important concepts and information in an enterprise. >> >> // Dennis Djenfer >> >> >> Sounds like the >> >> On 2010-06-22 22:04, Steve Jones wrote: >> >> Not really as MDM isn't about the full model its about the core and >> identifying duplicates and commonalities. So for "Person" for instance it >> might only be 25 attributes that are used by MDM to do that. The other 300+ >> attributes that exist around the enterprise aren't included within the MDM >> model. >> >> Steve >> >> >> On 23 June 2010 01:37, Dennis Djenfer <d...@algonet. se >> <[email protected]>>wrote: >> >>> >>> >>> Steve, >>> >>> In your blog you write: >>> >>> "The only sensible policy is to look at an "active" MDM strategy and a >>> brokerage approach to communication between systems ideally based around a >>> federated data strategy that leaves information its its source systems but >>> provides references between them." >>> >>> Where does the data model for the active MDM strategy and brokerage >>> approach come from? Isn't that the same model as you would use for buidling >>> a canonical data model? >>> >>> >>> // Dennis Djenfer >>> >>> >>> >>> On 2010-06-22 11:34, Steve Jones wrote: >>> >>> Short answer... don't. >>> >>> Longer answer http://service- architecture. blogspot. com/search? >>> q=SOA+canonical<http://service-architecture.blogspot.com/search?q=SOA+canonical> >>> >>> On 21 June 2010 13:26, <jorg...@uci. cu <[email protected]>> wrote: >>> >>>> >>>> >>>> Hello all. >>>> >>>> I have a question for the design of a canonical data model. >>>> >>>> The issue is that I want to create a data services layer, and for making >>>> the design of services that expose data, first I want to create the >>>> canonical data model, which allows me to properly design services, and I >>>> want to know if this canonical data model should correspond to the data >>>> model of the database, E / R model , or I just model the information >>>> concepts that are handled in the database. >>>> >>>> Jorge. >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> >>> >> >> > > >
