2007 Texas Conference on Digital Libraries
Permanent URI for this collectionhttps://hdl.handle.net/2249.1/4514
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Browsing 2007 Texas Conference on Digital Libraries by Subject "digital libraries"
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Item Developing a Common Submission System for ETDs in the Texas Digital Library(2007-05-30) Mikeal, Adam; Brace, Tim; Texas A&M University; University of Texas at AustinThe Texas Digital Library (TDL) is a consortium of universities organized to provide a single digital infrastructure for the scholarly activities of Texas universities. The four current Association of Research Libraries (ARL) universities and their systems comprise more than 40 campuses, 375,000 students, 30,000 faculty, and 100,000 staff; while non-ARL institutions represent another sizable addition in both students and faculty. TDL's principal collection is currently its federated collection of ETDs from three of the major institutions; The University of Texas, Texas A&M University, and Texas Tech University. Since the ARL institutions in Texas alone produce over 4,000 ETDs per year, the growth potential for a single state-wide repository is significant. To facilitate the creation of this federated collection, the schools agreed upon a common metadata standard represented by a MODS XML schema. Although this creates a baseline for metadata consistency, there exists ambiguity within the interpretation of the schema that creates usability and interoperability challenges. Name resolution issues are not addressed by the schema, and certain descriptive metadata elements need consistency in format and level of significance so that common repository functionality will operate intuitively across the collection. It was determined that a common ingestion point for ETDs was needed to collect metadata in a consistent, authoritative manner. A working group was formed that consisted of representatives from five universities, and a state-wide survey of the state of ETDs was conducted, with varied levels of engagement with ETDs reported. Many issues were identified, including policy questions such as open access publishing, copyright considerations and the collection of release authorizations, the role of infrastructure development such as a Shibboleth federation for authentication, and interoperability with third-party publishers such as UMI. ETD workflows at six schools were analyzed, and a meta-workflow was identified with three stages: ingest, verification, and publication. It was decided that Shibboleth would be used for authentication and identity management within the application. This paper reports on the results of the survey, and describes the system and submission workflow that was developed as a consequence. A functional prototype of the ingest stage has been built, and a full prototype with Shibboleth integration is slated for completion in June of 2007. Demonstrators of the application are expected to be deployed in fall of 2007 at three schools.Item Digital Initiatives at the University of North Texas Libraries(2007-05-30) Hartman, Cathy Nelson; University of North TexasItem Map and GIS Resources in an Institutional Repository : Issues and Recommendations(2007-05-30) Weimer, Kathy; Texas A&M UniversityMap librarians are increasingly digitizing and making available scanned map images over the internet. These digitized map collections are growing quickly in size and number. The issue of access and long term preservation to these scanned map collections is still in the early stages. Libraries suffer from a communication gap between the groups actively scanning maps and their IR staff. This is evident with the number of map scanning registries which are not part of an IR nor larger digital library initiative. The registries are increasing and both overlap and compete with each other. The benefit of an IR over both a basic web presentation and a digitized map registry is clear, due to the Google Scholar search capability and those configured as an OAI-PMH data provider, which result in freely harvested metadata. CNI conducted a survey to assess the deployment of IRs in the United States and among their findings was that nine repositories had map materials in their IR, twelve planned to include maps in the next by 2008. One example of a successful collaboration between a map librarian and IR staff is the Geologic Atlas project at Texas A&M University Libraries. In 2004, the Texas A&M University Libraries deployed dSpace. The Libraries digitized and uploaded the complete 227 folio set of the Geologic Atlas of the United States to dSpace. It was published by USGS between 1894 and 1945, and contains text, photographs, maps and illustrations. This collection serves as a pilot project to study scientific map and GIS resources in an IR, generally, and specifically, the use of geographic coordinates in metadata in building a map-based search interface, and the addition of GIS files in an IR environment. For this set, geographic coordinates were added to the metadata, including “coverage.spatial,” “coverage.box” and “coverage.point”. Fortunately the maps in this set are a very regular rectangle and coordinates were readily available. The map coordinates supported the creation of a YahooMap! interface. Each folio is located on a map of the US and can be readily found with a visual interface. The digitized maps are being converted into GIS files, and will be used to assess feasibility of GIS resources in the IR. These are some excellent examples of advanced geospatial data libraries which can serve as a model: NGDA (National Geospatial Digital Archive- UCSB and Stanford libraries), NCGDAP (North Carolina Geospatial Data Archiving Project), CUGIR (Cornell University Geospatial Information Repository) and GRADE (Geospatial Repository for Academic Deposit and Extraction) project. These groups and others are tackling the issue of long term preservation of GIS data in digital libraries. There are increasing numbers of map resources in digital libraries and IRs. The maps serve an important role in communicating scholarly information. Map librarians should collaborate on scanning standards and metadata creation. Map librarians and digital libraries staff should increase their communication and collaborate in order to improve the access to these collections.Item The Texas Digital Library Preservation Network(2007-05-30) Maslov, Alexey; Texas A&M UniversityThe Texas Digital Library is a collaborative project between public and private institutions across Texas that aims to provide curation, preservation, and access to digital scholarly information for the State. The preservation component of this mission means that TDL is committed to the long-term maintenance of its digital assets. Accomplishing this goal necessitates the creation of a TDL-wide preservation network. An effective preservation solution would encompass the following characteristics: • No single point of failure: by sharing copies of the same data between multiple geographically distributed locations, we ensure that failure of any one location does not result in permanent data loss. • Local allocation of resources: any member institution that joins the network would retain full control over the utilization of the resources they commit to the network. • Shared responsibility: responsibility for preserving digital assets is shared across all of the members of the network, eliminating reliance on any one institution’s resources. • Architectural flexibility: new locations can efficiently be added to the network, allowing for unforeseen growth. The TDL Preservation Network is a current project that seeks to address these issues. To accomplish these goals, we have designed a system with the following layered architecture: • User layer: represents the pool of users that have access to the preservation network system. This pool will be determined by the established policies and submission agreements at the institution level. • Application layer: contains the set of applications that can generate the data for the network, such as institutional repositories, e-journals, courseware management systems, and faculty archives. • Service layer: consists of a federation of data locations that implement preservation polices. This is the layer where the actual replication of data is performed and agreements between locations are brokered and recorded. • Storage layer: responsible for maintaining the individual copies of the preserved artifacts, and can be implemented with any number of standard technologies. This presentation will describe the current progress toward the implementation of the TDL Preservation Network, and the long-term goals for data preservation in the Texas Digital Library.Item When they show up on your driveway with burning torches, make sure you have some marshmallows on hand(2007-05-30) Dyal, Donald H.; Texas Tech University