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The HathiTrust Research Center (HTRC) provides research support for the growing corpus of over fourteen million volumes in the HathiTrust Digital Library (HTDL) through a suite of tools for text analysis. This session will introduce attendees to the research services developed by the HTRC. Nicholae Cline and Leanne Nay will also demonstrate HathiTrust+Bookworm and the HTRC Portal, two web-based tools that are ideal for introducing students and scholars to text analysis.
The process of converting the digitized MDPI media into something that can be used for web delivery is conceptually simple: transcode each one into derivatives and transfer them to the delivery system. However, like most things, the devil is in the details. Data corruption, tape latency, and managing large amounts of data are just a few of the problems which must be overcome.
This session will follow the steps that MDPI digital objects take during processing and explore the solutions used to create a system which must reliably process hundreds of hours of audio and video content daily.
One, Two is a self-portrait. The image of me as a boy is split left and right, one side the echo of the other. In the audio, a single claves strike, doubled at the octave, mirrors the visual motif. The video, developing in multiple planes, and the audio, mirroring that development in multiple voices, express a time object – a moment continuously redefined – unified by its genesis in a single image, a single sound. One, Two is composed in Bogen (arch) form, a musical architecture. The piece begins in unity, develops to maximum complexity at mid-point, then resolves again to unity at the end. –Michael Lasater
Annunciation is a video object operating within the aesthetic of painting. Each panel's background cycles through images sampled from an original digital abstract composition. One sees this composition in fragments across time controlled by an algorithm derived from 12-tone musical composition in which no fragment is repeated until all are shown. The motion background plays against and through the static black/white paired elements in the foreground, making them appear somewhat unstable. In the audio a noise sound floor supports a repeated claves + voice pair mirroring the motion + static structure of the video. The composition chases György Ligeti’s idea of using time to hold on to time, suspending its disappearance, confining it in the always present moment. –Michael Lasater
Research libraries continue to reinvent themselves in the face of increasing demand from users for digitized texts. As physical books move from stacks to deep storage, many researchers lament the reduction in the serendipitous discovery that was provided by browsing the stacks. We believe, however, that digitization offers even greater opportunities for guided serendipity. Developments in machine learning and computing at scale allow content-based models of library collections to be made accessible to patrons. In this talk, we will present a vision for the future of library browsing using the Topic Explorer ‰ÛÃHypershelf‰Û that we have developed for digital collections. It allows users to jump into the collection and browse nearby volumes, rearranging them at will according to topics extracted computationally from the full texts. We will demonstrate the Hypershelf in action, and discuss how it might be integrated with physically-shelved books. This vision enhances rather than supplants the traditional librarians' function of guiding patrons to the best starting points for their research needs.
Digital preservation is one of those phrases that means a lot to a few people and a little to a lot of people. It is often confused with digitization (preservation by digital), digital curation (of which preservation is a piece), digital asset management (another variant of digital curation), and so on. This talk will lay out the unique characteristics of digital preservation, as well as the practical applications. Expect to learn about recent developments in both the field and within the IU Libraries.
As the need to manage and provide access to collections of digital content grows, the ecosystem of software solutions designed to meet these needs has greatly expanded. Into this pool of software comes Avalon, but what exactly does it do, and do differently, from applications like Sufia or Islandora? Developed in partnership with Northwestern University, the Avalon Media System is an open source system for managing and providing access to large collections of digital audio and video. Used for library services such as Media Collections Online and projects such as IU's Media Digitization and Preservation Initiative, Avalon is an application that provides a robust set of features related to media access and streaming. Come learn how Avalon's focus on web-based access to audio and video materials is developed to meet the needs of both consumers and stewards of digital collections, as well as the unique role it plays in the world of digital repository software.
What does it mean to turn data into Linked Data? That is the question we are attempting to answer with this project. The IU Libraries released the metadata for the Cushman Photograph Collection under a CC-BY license as a CSV file and it is also available as an OAI-PMH harvestable feed in XML. But what would it take to make this metadata part of the Semantic Web and what does that mean for our digital collections moving forward? How might a collection like this available through the Semantic Web help researchers? This talk does not have all of the answers but we do have a story to share involving Cushman, OpenRefine, and RDF. Join us to learn what's happened and how the IU Libraries will use this learning experience to shape our digital collections into the future.
The Indiana University Bloomington Libraries' Digital Collections Services department has offered Digital Project Planning consultation services twice a week since the opening of the Scholars' Commons in September 2014. Data collected from these consultation sessions provides insight into the individuals engaged in digital scholarship projects and initiatives at Indiana University. Building upon analysis performed by Meridith Beck Sayre, Council on Library and Information Resources Data Curation Postdoctoral Fellow for Data Curation in the Humanities, Dalmau and Homenda will provide an overview of emerging digital project planning and data curation trends and needs demonstrated by Indiana University Bloomington faculty, students and staff as well as recommendations for ongoing support of digital scholarship projects and initiatives on the Bloomington campus and beyond.