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Harlow, Christina
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English
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- Description:
- A recording of a presentation at Samvera Connect 2018 described thus, prototyping a core component of our new architecture to be horizontally scalable, designing a new architecture for our digital library with a wide ranging set of requirements and users, Stanford University Library has a robust digital library system called the Stanford Digital Repository. This repository holds a little under 500 TB of materials in preservation, and a little less than that for online access, from our cultural heritage digitization efforts and institutional repository outputs. These materials are managed across 90+ codebases serving a variety of functions from self-deposit web applications, to a nearly 10 year old parallel processing framework, to a digital repository assets publication mechanism leading into our Blacklight, Spotlight, and Geoblacklight applications - among other services and needs. At the core of this system is a Fedora 3 store. With Fedora 3 now end-of-lifed, and our system suffering from limited to no horizontal scalability options, we’re revisiting our system and architecture. We are writing it from the start with a goal to have data-forward, distributed microservices and some event-driven processing components. TACO, our new core management API, is the heart of this new architecture, and is currently being developed as a prototype. This talk will walk through the process of analysing our current system via a dataflows analysis, then planning how to create ‘seams’ in our current system to migrate towards our new system in an evolutionary fashion instead of a turn-key migration. A video recording of this session is available at the 'Related URL' below., and seeing where community technologies like Hyrax, Blacklight, and IIIF will connect
- Keyword:
- Workflow, Architecture, Repository, Connect 2018, and Samvera
- Subject:
- Samvera Community
- Creator:
- Frost, Hannah and Harlow, Christina
- Contributor:
- Stanford University Libraries and University of Utah
- Owner:
- rob@scientist.com
- Language:
- English
- Date Modified:
- 07/24/2023
- Date Created:
- 10/2018
- Rights Statement Tesim:
- In Copyright
- License Tesim:
- Creative Commons BY Attribution 4.0 International
- Resource Type:
- Video
-
- Description:
- A presentation at Samvera Virtual Connect 2017.
- Keyword:
- Samvera, Migration, Hyrax, Virtual Connect 2017, and Metadata
- Subject:
- Samvera Community
- Creator:
- Harlow, Christina and Johnson, Tom
- Contributor:
- Stanford University Libraries and Data Curation Experts
- Owner:
- rob@scientist.com
- Language:
- English
- Date Modified:
- 07/24/2023
- Date Created:
- 07/18/2017
- Rights Statement Tesim:
- In Copyright
- License Tesim:
- Creative Commons BY Attribution 4.0 International
- Resource Type:
- Presentation
-
- Description:
- This will be a half-day, hands-on workshop covering data modeling primarily in RDF. We hope to bring a diverse group of Hydra community members together to learn, discuss, and build out examples that will inform Hydra community best practices for data modeling. This modeling work will be taught in the context of helping Hydra and Fedora development, metadata, and interoperability efforts. We will discuss how model uses a number of standards, and demo the different ways to represent models. We will compare and contract data modeling with metadata standards/profiles. We will walk through modeling efforts around PCDM and its place in our work and community - this workshop will not focus on PCDM alone (this is not a PCDM or RDF workshop). We want this workshop to bring together, develop and engage a larger corps of data modelers in the Hydrasphere. and A workshop delivered at Hydra Connect 2016, described thus
- Keyword:
- Resource Description Framework (RDF), Connect 2016, Hydra, Portland Common Data Model (PCDM), Metadata, and Workshop
- Subject:
- Hydra Project
- Creator:
- Matienzo, Mark, Harlow, Christina, Johnson, Tom, and Hardesty, Juliet L
- Owner:
- rob@scientist.com
- Language:
- English
- Date Modified:
- 07/24/2023
- Date Created:
- 10/03/2016
- Rights Statement Tesim:
- In Copyright
- License Tesim:
- Creative Commons BY Attribution 4.0 International
- Resource Type:
- Presentation