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Subject: Draft Minutes of ICOM TC Meeting, April 28, 2010
Minutes of ICOM TC Meeting, April 28,
taken by Eric S. Chan Agenda 1. Roll Call 2. Approve draft minutes from April 14 TC
Meeting 3. Status of RDF ontology 4. Review the artifact modules 5. Discuss the open issues from previous TC
Meeting 6. AOB 1. The following eligible members
were present Laura Dragan Deirdre Lee Patrick Durusau Marc Pallot Eric Chan 2. Approve draft minutes from April 14 TC
Meeting Draft Meeting minutes approved. 3. Status of RDF ontology Deirdre and Laura reported the feedbacks for ICOM RDF model from
the workshop at DERI. The main feedbacks are ·
keep the ICOM RDF model as simple and generic as
possible, so as to achieve wider adoption. o
For example when defining interfaces and
abstract classes, use comments to describe how the interface should be
interpreted (such as saying its instances must be also instances of some
concrete class). Don’t use constraints to enforce the semantics of
interface or abstract class. ·
focus on the correctness of the data rather than
the model o
Use OWL domain restriction to customize the
range per the domain. Describe the restriction by comments/documentations. Focus
on having the data to conform to the restrictions. Don’t need to define
the “distinguished” properties, such as elementOfFolder, elementOfWorkspace,
parentOfEntity, parentOfArtifact, etc., to strictly enforce the domain and
range. o
important to work with the real data when
developing the transformation rules to maintain the correctness of data. To get
the real data, Eric suggested to install Beehive to generate the data in the
ICOM schema and transform the data to RDF. Deirdre and Laura also presented ICOM overview to a general
audience at DERI. Deirdre sent out the slides used for the presentation. The
key points are ·
define mapping of SIOC and Nepomuk to ICOM. ·
FOAF person and SIOC User Account represents
different aspects of an Actor but do not exactly map to Actor. ·
try to adopt the solutions already established by
ontologies such as FOAF, SIOC, etc. Eric mentioned the concepts similar to FOAF person and SIOC
User Account were also introduced in Beehive Object Model. For example, there
is an auxiliary concept called Person (Actor is a Person) although BOM concept
of Person may or may not exactly match the FOAF person. Actor also has member Principals
to represent the different credentials of the Actor, which may or may not
exactly match the multiple SIOC:UserAccount for a single FOAF:Person. We
need to carefully analyze these concepts case by case. These concepts are to be
incorporated into ICOM through a refinement process. 4. Review the artifact modules Eric would incorporate the UML model of a few the artifact
modules in Section 11 of ICOM wiki page. Deirdre and Laura would supply the RDF
models for the core concepts and artifact modules to be added to the wiki page.
The diagrams were to be updated in time for the presentation of ICOM overview
to the CMIS TC on May 3rd. Detail review of the artifact modules was deferred to a
subsequent meeting. 5. Discuss the open issues from previous TC
Meeting Discussion of open issues from the previous TC meeting was
deferred to a subsequent meeting. 6. AOB The participants discussed the schedule, format, agenda, and
external participants for the June 28 and 29 meeting. The June 28 and 29
meeting would be organized as a workshop. The participants shall propose the
tutorials, use case exercises, etc., for the workshop. Shall identify use cases
that highlight the benefits/advantages of ICOM (such as universal inbox with
social networking features). Participants considered the following topics: ·
build use case scenarios with UML model within
the UML design tools (to analyze the application of ICOM). ·
programming tutorials with ICOM-JPA binding. ·
tutorial for developing the connectors in JPA
runtime to connect to service providers. Eric would reach out to CMIS TC and other communities to invite
the external participants to the workshop. The TC Meeting was adjourned. |
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