Distributed Interoperable Metadata Registry

Blanchi, Christophe; Petrone, Jason

doi:10.1045/december2001-blanchi

Cited by 12 publications

(4 citation statements)

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“…These characteristics distinguish our scheme‐based conception of views from various database or XML view mechanisms that simplify the integration of heterogeneous data4, 53–58. In addition, our scheme‐based distinction of application‐pertinent and DVO‐pertinent compositions draws a significant difference between our composition schemes and disseminator‐based approaches 21, 59, 60. In the latter, storage artifacts are directly associated with repository‐pertinent executable code and consequently, there is explicit coupling.…”

Section: Related Workmentioning

confidence: 99%

DOLAR: virtualizing heterogeneous information spaces to support their expansion

2011

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Users expect applications to successfully cope with the expansion of information as necessitated by the continuous inclusion of novel types of content. Given that such content may originate from ‘not‐seen thus far’ data collections and/or data sources, the challenging issue is to achieve the return of investment on existing services, adapting to new information without changing existing business‐logic implementation. To address this need, we introduce DOLAR (Data Object Language And Runtime), a service‐neutral framework which virtualizes the information space to avoid invasive, time‐consuming, and expensive source‐code extensions that frequently break applications. Specifically, DOLAR automates the introduction of new business‐logic objects in terms of the proposed virtual ‘content objects’. Such user‐specified virtual objects align to storage artifacts and help realize uniform ‘store‐to‐user’ data flows atop heterogeneous sources, while offering the reverse ‘user‐to‐store’ flows with identical effectiveness and ease of use. In addition, the suggested virtual object composition schemes help decouple business logic from any content origin, storage and/or structural details, allowing applications to support novel types of items without modifying their service provisions. We expect that content‐rich applications will benefit from our approach and demonstrate how DOLAR has assisted in the cost‐effective development and gradual expansion of a production‐quality digital library. Experimentation shows that our approach imposes minimal overheads and DOLAR‐based applications scale as well as any underlying datastore(s). Copyright © 2011 John Wiley & Sons, Ltd.

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Section: Related Workmentioning

confidence: 99%

DOLAR: virtualizing heterogeneous information spaces to support their expansion

2011

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“…More specifically, metadata interoperability refers to the ability to exchange and interpret data across two or more metadata standards by minimizing syntactic, structural, and semantic inconsistencies and thereby maximizing opportunities for sharing and reusing information (Blanchi and Petrone 2001;Miller 2000). Central to this definition is the potential for metadata stand-ards to cross the boundaries between different metadata contexts by removing any heterogeneity, thus facilitating the unambiguous exchange of metadata records (Arms et al 2002;Oltmans 2001, 2).…”

Section: Theoretical Foundationsmentioning

confidence: 99%

Faceted Framework for Metadata Interoperability

Lee

2010

Journal of the Korean Society for information Management

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In the current information environment, metadata interoperability has become the predominant way of organizing and managing resources. However, current approaches to metadata interoperability focus on the superficial mapping between labels of metadata elements without considering semantics of each element. This research applied facet analysis to address these difficulties in achieving metadata interoperability. By categorizing metadata elements according to these semantic and functional similarities, this research identified different types of facets: basic, conceptual, and relational. Through these different facets, a faceted framework was constructed to mediate semantic, syntactical, and structural differences across heterogeneous metadata standards.

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“…Our approach is also aligned with the well-documented goal to offer a unified foundation for digital libraries; this objective has been articulated in a number of efforts including the definition of digital object repositories [89], the 5S formal model of digital libraries [90], the formal model for annotating digital content [91] and the OAIS [92] and DELOS [93] reference models. In addition, our scheme-based realization of virtual object behavior draws a significant difference compared to disseminator-based approaches [94,95,96] used in digital repositories. In the latter, storage artifacts are directly associated with repository-pertinent executable code and consequently there is explicit coupling.…”

Section: Digital Librariesmentioning

confidence: 97%

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Distributed Interoperable Metadata Registry

Cited by 12 publications

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DOLAR: virtualizing heterogeneous information spaces to support their expansion

DOLAR: virtualizing heterogeneous information spaces to support their expansion

Faceted Framework for Metadata Interoperability

Ιδεατοί Χώροι Πληροφορίας

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