scispace - formally typeset
Search or ask a question
Topic

Metadata repository

About: Metadata repository is a research topic. Over the lifetime, 5841 publications have been published within this topic receiving 121778 citations.


Papers
More filters
Patent
Robert J. Curran1, Roger L. Haskin1
23 May 2002
TL;DR: In this paper, a storage gateway is employed as part of a security enhancing protocol in a data processing system which includes at least one metadata controller node and one application node which is granted a time limited access to files in a shared storage system.
Abstract: A storage gateway is employed as part of a security enhancing protocol in a data processing system which includes at least one metadata controller node and at least one application node which is granted a time limited access to files in a shared storage system. The gateway is provided with information as to data blocks to which access is to be allowed and also with information concerning the duration of special access granted to a requesting application node. This insures that metadata cannot be improperly used, changed or corrupted by users operating on an application node.

70 citations

Proceedings Article
27 Aug 2007
TL;DR: An ontology-based metadata interoperability approach, which exploits, in an optimal way, the semantics of metadata schemas, and the use of CIDOC/CRM ontology as a mediating schema is proposed.
Abstract: Metadata interoperability is an active research area, especially for cultural heritage collections, which consist of heterogeneous objects described by a variety of metadata schemas. In this paper we propose an ontology-based metadata interoperability approach, which exploits, in an optimal way, the semantics of metadata schemas. In particular, we propose the use of CIDOC/CRM ontology as a mediating schema and present a methodology for mapping DC Type Vocabulary to CIDOC/CRM, demonstrating a real-world effort for ontology-based metadata integration.

70 citations

Journal ArticleDOI
TL;DR: The MIRACUM Data Integration Center (DIC) as discussed by the authors is a consortium of academic and hospital partners as well as one industrial partner in eight German cities which have joined forces to create interoperable data integration centres (dIC) and make data within those DIC available for innovative new IT solutions in patient care and medical research.
Abstract: Introduction: This article is part of the Focus Theme of Methods of Information in Medicine on the German Medical Informatics Initiative. Similar to other large international data sharing networks (e.g. OHDSI, PCORnet, eMerge, RD-Connect) MIRACUM is a consortium of academic and hospital partners as well as one industrial partner in eight German cities which have joined forces to create interoperable data integration centres (DIC) and make data within those DIC available for innovative new IT solutions in patient care and medical research. Objectives: Sharing data shall be supported by common interoperable tools and services, in order to leverage the power of such data for biomedical discovery and moving towards a learning health system. This paper aims at illustrating the major building blocks and concepts which MIRACUM will apply to achieve this goal. Governance and Policies: Besides establishing an efficient governance structure within the MIRACUM consortium (based on the steering board, a central administrative office, the general MIRACUM assembly, six working groups and the international scientific advisory board), defining DIC governance rules and data sharing policies, as well as establishing (at each MIRACUM DIC site, but also for MIRACUM in total) use and access committees are major building blocks for the success of such an endeavor. Architectural Framework and Methodology: The MIRACUM DIC architecture builds on a comprehensive ecosystem of reusable open source tools (MIRACOLIX), which are linkable and interoperable amongst each other, but also with the existing software environment of the MIRACUM hospitals. Efficient data protection measures, considering patient consent, data harmonization and a MIRACUM metadata repository as well as a common data model are major pillars of this framework. The methodological approach for shared data usage relies on a federated querying and analysis concept. Use Cases: MIRACUM aims at proving the value of their DIC with three use cases: IT support for patient recruitment into clinical trials, the development and routine care implementation of a clinico-molecular predictive knowledge tool, and molecular-guided therapy recommendations in molecular tumor boards. Results: Based on the MIRACUM DIC release in the nine months conceptual phase first large scale analysis for stroke and colorectal cancer cohorts have been pursued. Discussion: Beyond all technological challenges successfully applying the MIRACUM tools for the enrichment of our knowledge about diagnostic and therapeutic concepts, thus supporting the concept of a Learning Health System will be crucial for the acceptance and sustainability in the medical community and the MIRACUM university hospitals.

70 citations

Patent
18 Nov 2009
TL;DR: In this paper, the authors proposed a method and system for reducing the latencies of retrieving metadata by a user application, which aids a seamless browsing experience as the metadata is immediately available, being already prefetched, to the user upon his actual request.
Abstract: The present invention relates generally to interactive communication systems and, more particularly, to a method and system for reducing latencies of retrieving metadata by a user application. The method comprises providing a browsing interface for the user to browse through; and prefetching metadata likely to be soon accessed in advance of an actual user request for access to said metadata; wherein said prefetching of said metadata is performed dynamically based on prediction of at least one next available user action with respect to a current view of said browsing interface being directed towards fetching said metadata. The present invention aids a seamless browsing experience as the metadata is immediately available, being already prefetched, to the user upon his actual request.

70 citations

Patent
17 Jan 2013
TL;DR: In this paper, the authors propose a metadata tunnel system that is responsive to defined subaudible tones in programming, for instance programming provided for a broadcast, by modifying or providing modified or new metadata to downstream components (e.g., injector system, encoder).
Abstract: Content delivery system may include a metadata tunnel system component which is responsive to defined subaudible tones in programming, for instance programming provided for a broadcast. An action may be based on a characteristic or aspect of the subaudible tone, for instance frequency and/or duration. The metadata tunnel system may selectively generate or provide modified or new metadata to downstream components (e.g., injector system, encoder). The metadata tunnel system may provide metadata that causes a content provider identifier that identifies a content provider to appear in an alternative feed of programming (e.g., streaming programming) at points downstream of a broadcaster, for instance at end user media players. The metadata tunnel system may provide metadata that inhibits an injector system from injecting (e.g., inserting, substituting) new content into the alternative feed of programming created from portions of broadcast programming.

70 citations


Network Information
Related Topics (5)
Information system
107.5K papers, 1.8M citations
85% related
User interface
85.4K papers, 1.7M citations
81% related
Software
130.5K papers, 2M citations
80% related
Mobile computing
51.3K papers, 1M citations
80% related
Support vector machine
73.6K papers, 1.7M citations
80% related
Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202332
202279
202113
202011
201921
201824