More recently, dcmi has become recognised as a trusted steward of metadata. This talk the semantic web vision languages of the semantic web dublin core to rdf and ontologies semantic web applications sources for this talk. Dublin core followed this path developing further standards for metadata based on the world wide web consortiums work on a generic data model for metadata, the resource description framework rdf. Since its inception in 1995 in dublin, ohio, the dc metadata scheme has gained credibility and was approved as the niso standard z39. The full set of dublin core metadata terms can be found on the dublin core metadata initiative dcmi website. Metadata provenance in europeana and the semantic web. This thesis gives an overview on various ways and bestpractices to handle metadata provenance in the semantic web, including the employment of linked data principles, reification, oaiore, and named graphs. Many are using web services to publish swds dynamically generated from underlining knowledge. Typically, the name of a publisher should be used to indicate the entity. Using the semantic web to improve knowledge of translations more than half of the almost 400 million bibliographic records in worldcat are for languages other than english. The original set included 15 data elements such as title, creator.
Wgfa is a web application to create and manage w3cowl based ontologies, index websites, extract xmlrdf or dublincore metadata and provide search and query operations on the websites based on the created semantic webs. World wide web, metadata, resource description, dublin core, semantic web, ontology introduction the exponential growth of information on the world wide web and the characteristics of information on this medium, has posed many challenges in resource description and retrieval. Making a library catalogue part of the semantic web. Metadata provenance in europeana and the semantic web core. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Dublin core fields are then autofilled with default values when records are created or edited. It was created by the dcmi or dublin core metadata initiative which was initiated by the ncsa and oclc in 1995. Semantic web aims to make web content more accessible to automated processes adds semantic annotations to web resources ontologies provide vocabulary for annotations terms have well defined meaning owl ontology language based on description logic exploits results of basic research on complexity, reasoning, etc. Dublin core, metadata, and growing the semantic web. It can be implemented through rdfa to add semantic meaning to html5 documents which use the xml serialization.
On the web 1 equivalent record in library of congress subject headings. It is best described as a style of metadata that has evolved from efforts to put the fifteen elements into the context of a coherent. The beginners guide is a opensource tutorial that introduces dublin core, a semantic initiative to improve the seo of your website. Ontologies and the semantic web school of informatics. These gatherings advance dcmis mission of promoting the interoperability and harmonization of metadata, from element schemas and semantic web vocabularies to application profiles, ontologies, and knowledge organization systems. Keynote speaker organizing team presentations proceedings pdf program schedule abstracts. This paper provides an overview of its history and underlying principles and describes the activities of dublin core metadata initiative dcmi as an organization. We believe the semantic web will grow slowly, as the byproduct of integrating multiple datasets using their existing metadata to achieve goals that justify the cost of developing and testing an application. It is generating interest not just because tim bernerslee is advocating it, but because it aims to solve the problem of information being hidden away in html documents, which are easy for humans. Healthcybermap aims at mapping internet health information resources in novel ways for enhanced retrieval and navigation. It is not great fun learning to develop with the semantic web today.
Dublin core metadata semantics journal of information science. The dublin core element set has been kept as small and simple as possible to allow a nonspecialist to create simple descriptive records for information resources easily and inexpensively, while providing for effective retrieval of those resources in the. Publisher the dublin core element used to designate the entity responsible for making the resource available. This study examines dublin core dc metadata semantics drawn from the perspectives and experiences of cataloguing and metadata professionals. More than 40 million people use github to discover, fork, and contribute to over 100 million projects.
Park, semantic mapping of dublin core metadata element names and their definitions unpublished manuscript, 2006. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer. Using the semantic web to improve knowledge of translations. The guidelines for dublin core application profiles are based on the singapore framework for dublin core application profiles. Semantic web technologies enable people to create data stores on the web, build vocabularies, and. The dublin core metadata initiative has addressed this by providing a framework for designing a dublin core application profile dcap. Although the specific linguistic challenges of the web have not been directly addressed by the dublin core development community, the involvement of. The goal of the semantic web is to make internet data machinereadable. A dcap defines metadata records which meet specific application needs while providing semantic interoperability with other applications on the basis of globally defined vocabularies and models. The semantic web sw is a vision of the web where information is more efficiently linked up in such a way that machines can more easily process it.
A brief overview of semantic web deployment eric miller, w3c semantic web activity lead international conference on dublin core and metadata appplications 2004. The dublin core metadata standard is a simple yet effective element set for. Maintaining dublin core as a semantic web vocabulary. The semantic web is given a rough raking by the syntactic web, and it is not impossible to see why when you. Dublin core metadata element set vocabulary fifteen properties dublin core broad generic usable librarians digital library researchers content experts textmarkup experts crossdisciplinary information environment. An evolving extension of the world wide web in which the semantics of information and services on the web is defined, making it possible for the web to understand and satisfy the. This contains the history and purpose of the dublin core metadata initiative. The dublin core is used for general meta tag descriptions in web pages html pages as well as linked data on the semantic web. Examples of a publisher include a person, an organization, or a service. The semantic web is an extension of the world wide web through standards set by the world wide web consortium w3c. Conclusion as businesses move towards cloud computing the amount of data stored in the web increases. The original set of 15 classic metadata terms, known. International conference on dublin core and metadata.
To enable the encoding of semantics with the data, technologies such as resource description framework rdf and web ontology language owl are used. The dublin core schema is a small set of vocabulary terms that can be used to describe digital resources video, images, web pages, etc. But dublin core metadata is about more than fifteen elements. Semantic web external agreement on meaning of annotations e. Qualified dublin core adds to simple dublin core to make elements more specific 15.
These terms and their historical versions are identified with uri references, described in web documents and machineprocessable schemas, indexed in registries, cited in application profiles, and of. We here survey cream creating relational, annotationbased metadata, a framework for an annotation environment that allows to. Zeng, metadata quality study for the national science digital library nsdl metadata repository, presented paper at the research and teaching talk series information science and technology, drexel. Constructing web subject gateways using dublin core, the. The dublin core metadata element set has been widely adopted by cultural and scientific institutions, libraries, governments, and businesses to describe resources for discovery on the internet. A brief overview of semantic web deployment dublin core. The dublin core metadata element set is a vocabulary of fifteen properties for use in resource description. Today the dublin core is a formal standard 123, used in countless implementations, and one of the top metadata vocabularies on the web. Over time, however, implementers are encouraged to use the semantically more precise dcterms. The dublin core metadata initiative dcmi maintains a vocabulary of several dozen metadata terms, notably the fifteenelement dublin core. It is recommended as an excellent introductory source for. We here survey cream creating relational, annotationbased metadata, a framework for. Core because its elements are broad and generic, usable for describing a wide range of resources.
Much of that current metadata is or can be viewed as dublin core. For more than twenty years, the dcmi community has developed and curated dublin core specifications. By implementing dublin core metadata with web content, a business or website can become part of the semantic web. The original set of 15 classic metadata terms, known as the dublin. This article was written by the creators of dublin core. The rdf schemas of the dcmi namespaces describe the subproperty relation of dcterms. Includes additional elements such as audience, provenance, and rightsholder that are not present in simple dublin core 16.
Rdf has been wide used to encode metadata, such as digital library dublin core and p2p system edutella 25. When designing a semantic portal, there are at least three issues to be resolved. Wgfa is a web application to create and manage w3cowl based ontologies, index websites, extract xmlrdf or dublin core metadata and provide search and query operations on the websites based on the created semantic webs. This is an authoritative site on the various aspects of dublin core. Nkos is devoted to the discussion of the functional and data model for enabling knowledge organization systems kos, such as classification systems, thesauri, gazetteers, and ontologies, as networked interactive information services to support the description and retrieval of diverse information resources through the internet. Core dc, designed for the description of electronic and web resources, is one of the most widely used metadata standards. The study ascertains the extent of difficulty in applying the dc metadata elements encountered by these professionals and examines factors engendering such difficulties during the metadata application process.
The name dublin is due to its origin at a 1995 invitational workshop in dublin, ohio. Statements defining the dublin core property itself on the web and cream. Dublin core is a metadata standard which consists of a set of meta elements used to describe and index documents. The dublin core metadata initiative supports innovation in metadata design and best practices. To enable the encoding of semantics with the data, technologies such as resource description framework rdf 2 and web ontology language owl 3 are used.