Catálogo de publicaciones - libros

The National Science Digital Library (NSDL) Materials Digital Library Pathway (MatDL) has implemented an information infrastructure to disseminate government funded research results and to provide content as well as services to support the integration of research and education in materials. This poster describes how we are integrating a digital repository into open-source collaborative tools, such as wikis, to support users in materials research and education as well as interactions between the two areas. A search results plug-in for MediaWiki has been developed to display relevant search results from the MatDL repository in the Soft Matter Wiki established and developed by MatDL and its partners. Collaborative work with the NSDL Core Integration team at Cornell University is also in progress to enable information transfer in the opposite direction, from a wiki to a repository.

This demo shows a set of tools for managing and performing document transformations. These tools share a common infrastructure consisting on a set of Web Services and programming libraries to define semantic mappings and generate the corresponding transformation template automatically. The framework is currently being used on the Bibshare project to support the conversion between metadata formats, as well as in other domains related to Digital Libraries and Software Engineering.

Cultural heritage content is everywhere on the web, in contexts such as digital libraries, audiovisual archives, and portals of museums or galleries, in multiple languages and multiple media. MultiMatch, a 30 month specific targeted research project under the Sixth Framework Programme, plans to develop a multilingual search engine designed specifically for the access, organisation and personalised presentation of cultural heritage digital objects.

A Workshop on “The Future of Large-scale Evaluation Campaigns” was organised jointly by the University of Padua and the DELOS Network of Excellence and held in Padua, Italy, March 2007. The aim was to perform a critical assessment of the scientific results of such initiatives and to formulate recommendations for the future. This poster summarises the outcome of the discussion with respect to the major European activity in this area: the Cross Language Evaluation Forum.

Since the establishment of the National Digital Archives Program (NDAP), Taiwan in 2002, the five divisions and their accompanying projects have generated a huge amount of digital materials. The diverse content is available for multiple purposes, such as research, value-added applications and educational projects. The goal is allow the public to explore the achievements of NDAP in user-friendly ways. Digital 101, which is also called the Public Exhibit System (PES), serves to connect various groups interested in Taiwan’s rich cultural heritage.

PES incorporates artistic, creative & interactive user interfaces and popular methods that allow the public to utilize the content of the NDAP. Through collaboration with local artists, PES provides special exhibits and thematic image galleries about Taiwan’s rich culture. It is expected to become a gateway worldwide.

At present, digital scientific resources can be hardly read by visually impaired people. The systems to retrieve and download documents in digital libraries can be easily used also through speech and tactile assistive technologies. The main problems concern the digital formats employed to store documents. Therefore, visually impaired readers often find the right document, but they cannot read it. That often affects the learning process especially at university. In order to contribute to the preparation of guidelines to provide accessible digital scientific resources and to widespread best practices and best experiences achieved by university libraries and support services, the thematic network aScience was established. It is a two years project supported by the European Union eContentPlus Programme. The web portal www.ascience.eu delivers information about the thematic network activities and it will distribute sample documents of digital scientific literature accessible through speech and tactile assistive technologies.

The number of newly generated multimedia documents (e.g. music, e-learning material, or 3D-graphics) increases year by year. Today, the workflow in digital libraries focuses on textual documents only. Hence, considering content-based retrieval tasks, multimedia documents are not analyzed and indexed sufficiently. To facilitate content-based retrieval and browsing, it is necessary to introduce recent techniques for multimedia document processing into the workflow of nowadays digital libraries. In this short paper, we introduce the PROBADO-framework which will (a) integrate different types of content-repositories – each one specialized for a specific multimedia domain – into one seamless system, and (b) will add features available in text-based digital libraries (such as automatic annotation, full-text retrieval, or recommender services) to non-textual documents. Existing libraries will benefit from the framework since it extends existing technology for handling textual documents with features for dealing with the non-textual domain.

VCenter, a platform for broadcasting digital video content, was developed by the National Digital Archives Program (NDAP), Taiwan. The platform provides a number of functions, such as digital video archiving, format transformation, streaming broadcasts, editing, geotagging, and blogging. The concept of Web2.0 is conducted in VCenter to increase user participation and improve interaction between the system and the user.

For videos, VCenter adopts Flash technology because it has a multi-layer architecture and it can handle multimedia content. We can add watermarks or captions as layers to videos without changing the original video’s content so that when users browse videos, the multi-layer overlaps the original video layer in real-time.

VCenter serves the Union Catalog system of NDAP as a video broadcasting platform. In addition to archiving the valuable videos of NDAP, it allows the general public to archive, broadcast, and share digital videos.

We are developing a Tsunami Digital Library (TDL) which can store and manage documents about tsunami, tsunami run up simulations, newspaper articles, fieldwork data, etc. In this paper, we propose a public education against the tsunami disaster mitigation as one of TDL applications. For the education, we use mobile phones to retrieve TDL because we have to walk coast regions. Then, we have prepared summaries of documents and newspaper articles in TDL, and also developed query systems for mobile phone retrievals.

The Digital Image Archiving System (DIAS) is an image management system, the major functions of which are preserving valuable digital images and serving as an image provider for external metadata archiving systems.

To enhance the security of images, DIAS enables online adding of watermarks to an image to protect the content owner’s copyright. We use the Flash format to add watermarks because it has a multi-layer architecture and it can handle multimedia content. The function allows us to set the watermark as a layer that overlaps the original image. DIAS also provides an offline DRM (Digital Rights Management) mechanism to protect downloaded images. We package an image and its authorized information in an execution file for downloading. Then, when a user executes the file, the program validates the authorized information before showing the image. Using the watermark and offline DRM improves the security of DIAS images.