aeri 2012 workshop category: curriculum development/research methodology metadata models and...
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AERI 2012Workshop Category: Curriculum
Development/Research Methodology
Metadata Models and Modelling MethodsEntity-Relationship Modelling Method:
“Bibliographic Universe”
Procedures: Points to Follow
Why to model?: argumentsDefine the “universum”: bibliographicDefine functions/required functionality: data
& user Define the model/modelling methodologyDefine entities-atributes-relationships [data]Define user tasks [user]So what?, or, Then what?
Why to model?: arguments
Change of technology: “external” forcesAutomated systems & large-scale databasesNeed to reduce cataloguing costs (re-use)Continued growth of publishing outputBroad range of user expectations and needs
“Internal” forcesTheoretical implications of the above“We are not alone!”
Or, in other words:Elaine Svenonius. The Intellectual Foundation of Infromation
Organization. Cambridge, Mass.; London: The MIT Press, 2000, p.51
The variables of interest in bibliographic theory will inevitably exhibit a certain amount of vagueness, ambiguity, and limited applicability. As long as the practice is affected by this only sporadically, there is no reason for concern. But if the numbers of bibliographic entities that can be described in a uniform and exact manner begin to get out of hand, then it is time to question traditional concepts and theories.
Define the “universum”: bibliographic
Toward IFLA FR-family of conceptual models1990 – Stockholm seminar1991-1998: FRBR – bibliographhic data1999-2009: FRAD – name authority data2005-2010: FRSAD – subject authority data
2011-[2013] – consolidated FR-conceptual model
Define functions/required functionality: data & user
Functional requirements for...a framework that identifies and clearly defines the
entities of interest to users of bibliographic records, the attributes of each entity, and the types of relationships that operate between entities
serve as the basis for relating specific attributes and relationships (reflected in the record as discrete data elements) to the various tasks that users perform when consulting bibliographic records.
Define the model/modeling methodology
Entity-Relationship
Object Oriented [CIDOC-CRM FRBRoo]Event oriented
Define entities-atributes-relationships
FRBR FRAD FRSAD
Work Work
Expression
Manifestation
Item
Person
Corporate Body Bibliographic Entities Thema
Family Names and/or Identifiers Nomen
Concept Controlled Acess Points
Object Rules
Event Agency
Place
Define user tasks
FRBR FRAD FRSAD
Find Find Find
Identify Identify Identify
Select Select
Obtain
Explore
Contextualize
Justify
FRBR: 6.1 Mapping Attributes and Relationships to User Tasks
FRSAD: 6.4 Mapping of Attributes, Relationships, and User Tasks
So what?, or, Then what?
Impact on other models: CIDOC/CRM – FRBRoo & Archival models(?)
Bibliographic standard: ISBDCataloguing rules: REICAT, RDAWebPACs: FRBRized cataloguesSemantic Web & Linked Data
Vocabulary [E – A – R] + definitions RDF (W3C) [generic, graph-based data model]
Authorized, trustworthy data [provenance]
Entity-Relationship Methodology
An entity analysis technique that is used in the development of conceptual models for relational database systems. Steps:
(1)isolate the key objects that are of interest to users of information in a particular domain; serve as the focal point for a cluster of data
(2) define the relationships that normally hold between one type of entity and another type of entity
(3) identify the important characteristics or attributes of each entity
The conventions for graphic presentation
FRBR: Bibliographic data - example