Proceedings of the International Conference on Dublin Core and Metadata Applications (DCMI)
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Education.au and Metadata for Events
No full textThis paper outlines the ongoing work in the area of metadata for events being undertaken by Australia’s ICT in education agency, education.au. Calendars of conferences, opportunities and celebrations of interest to Australia’s education and training community are a core service of Education Network Australia (edna), education.au’s premier service. The ongoing development of an events metadata application profile for the edna calendars is described, and the current implementation discussed. The process of refinement involves both the metadata profile, the metadata repository, the edna website used to display the calendars and the xml services used to share events metadata with external sources. The paper concludes with a discussion of the future directions for events metadata in edna and other education.au projects, including our wish list of increased participatory and automated generation of events metadata, and development of relationship metadata to provide a more integrated user experience across services
Theory and Practice of Application Profile Development
No full textThis paper is divided into two main sections that cover the theory and practice of metadata application profile development in Australian education and training. A range of historical and theoretical perspectives are discussed with emphasis upon the fact that there exists scope for a variety of interpretations as to how best to develop and/or express an application profile. Through providing summaries of a selection of Australian initiatives that span some ten years it is demonstrated that developing clarity about business requirements can be seen as the most important step in the process. In this broad historical context it is also highlighted that both theory and practice inform each other. From the diversity in requirements it is clear that one standard, one schema, or one application profile is not sufficient in the diversity of learning, education, training, and research contexts
SCROL Application Profile
No full textThe NHB’s virtual repository project which resulted in SCROL (“Singapore Cultural Resources Online”) was launched in August 2006. This Web-based repository pulls data and images from multiple information resources without the need to modify the existing databases. For advanced resource discovery, SCROL is equipped with a metadata search facility that retrieves relevant museum and archive records which have been ingested from several independent databases. Arguably, the SCROL application profile development has been an evolutionary process that restructured and refined existing schemas and standards in use. The final phase saw the consolidation of metadata elements through a methodological approach that also integrated comprehensive subject taxonomy. This paper presents a case study in designing a Dublin Core-compliant application profile for cultural heritage. The rationale used in selecting and refining the SCROL element set so as to accommodate existing schemas in order to enable data re-use is explained. Future maintenance and review issues are also discussed
Application Profiles: Exposing and Enforcing Metadata Quality
No full textIn this paper, we explore a range of issues yet to be addressed in the large-scale use of application profiles. While considerable attention has been paid to human-readable application profiles, there is a growing need for machine-readable application profiles that can support quality control mechanisms including, but not limited to, data validation. We examine these issues in the context of the evolving Semantic Web and the DCMI commitment to RDF and the challenges presented. We frame the discussion in terms of select functions to be served by application profiles and our notion of data profiles. While much remains to be done to address these issues, positive movement toward solutions is dependent on the appropriate framing of those issues in terms of the needs of large-scale applications such as metadata aggregators
Using an Application Profile Based Service Registry
No full textThe JISC Information Environment Service Registry (IESR) aims to assist other applications, to discover and devolve materials that match their users’ interests in their research, learning and teaching. This paper describes the experience of using an application profile throughout the application development process, from initial data design, through application implementation, to scenarios illustrating application use. Also discussed is the benefit of using an application profile to share both a data schema and actual data with similar initiatives
Using Metadata Schema Registry as a Core Function to Enhance Usability and Reusability of Metadata Schemas
No full textMetadata schema registries have a large potential to enhance usability and reusability of metadata schemas. Application profiles are a key concept for Dublin Core, and have a crucial role in promoting reuse of metadata schemas. This paper discusses basic concepts and models of metadata schemas in order to clarify functional requirements for extending registry functions to enhance usability and reusability of metadata schemas. It also shows two experimental tools developed to help users find, browse and build metadata schemas
The DRIADE Project: Phased Application Profile Development in Support of Open Science
Get PDFDRIADE (Digital Repository of Information and Data for Evolution) is a project being developed for the acquisition, preservation, sharing and re-use of heterogeneous data in support of published research in the field of evolutionary biology. Metadata is a fundamental part of DRIADE’s information architecture. This paper reports on DRIADE’s overarching goals. We describe our phased approach to developing an application profile, which supports three phases of DRIADE's development. We present a multi-method approach to developing the application profile. Our methods included a requirements assessment, content analysis, and crosswalk analysis. The paper concludes by identifying next steps and discussing the applicability of DRIADE’s work to other initiatives seeking to tightly couple published research and data
Virtual Archival Exhibition System: An Authoring Tool for Developing Web-based Virtual Exhibitions
No full textThis paper describes the design and development of a Virtual Archival Exhibition System (VAES) that facilitates the authoring of Web-based virtual exhibitions that can be tailored to serve the needs of various user groups. Based on an XML-based metadata database, VAES provides tools for users to create, update, extract, and search metadata of artifacts and exhibitions stored in the database. The actual digital artifacts (information objects) are reused by referencing as necessary without duplicating the artifacts. Dublin Core (DC) elements and non-DC elements with layered tags are used to describe and provide tailored information of each artifact for different users. In VAES, a virtual exhibition is created based on the pre-defined exhibition metadata and artifact metadata stored in the database. An authoring tool provides a direct manipulation work area for users to browse, display and layout the exhibition page content that is extracted from the database. XML’s Extended Style Sheets (XSL) and Cascading Style Sheet (CSS) are then applied to the layout to yield the final exhibition in HTML format. By using different information layers, reusing the layout setting, and the application of different style sheets, it is easier for authors or archivists, especially for those who are less proficient in IT, to create multiple versions of the same exhibition that vary in content, layout and presentation to meet the varying information needs of a range of different user communities
Can a System Make Novice Users Experts? Important Factors for Automatic Metadata Generation Systems
No full textThe description of Web resources is one of the problems related to the development of the Semantic Web. The major problem in metadata generation is due to lack of experts and tremendous amount of web resources. It is expected that an automated system would encourage creation of metadata for Web resources. This work is focused on suggesting four classes of descriptive elements – bibliographic, semantic, keywords, structure – in designing an automated metadata generation system. In addition, this study tries to assess how the level of knowledge or skill impacts the quality of the metadata generated and based on the results it suggests factors that automatic metadata generation tools should suggest to users
Audience-Centric Taxonomy: Using Taxonomies to Support Heterogeneous User Communities
No full textControlled vocabularies enhance precision and recall but sometimes they achieve this at the expense of imposing a prescribed terminology and a homogeneous worldview upon a heterogeneous user community. Folksonomies allow end-users the freedom to describe content any way they want, but in doing so they create meta noise which diminishes precision and recall. This paper presents an alternative model called audience-centric taxonomy, which blends the best practices of top-down controlled vocabularies with the bottom-up approach of folksonomy. The result is a semantically rich and well structured vocabulary that can adapt how it presents itself to different end-user communities ensuring each audience sees the language and worldview that it prefers. The paper describes how the National Library Board, Singapore intends to utilize audience centric taxonomy to provide enhanced information access to its multilingual, multi-cultural user community