Non-functional Aspects of Information Integration and Research for the Web Science
Web Science is emerging as an interdisciplinary field that views the Web as a relevant source of information
to... more
Web Science is emerging as an interdisciplinary field that views the Web as a relevant source of information
to be analysed for diverse scientific purposes. Semantic and linked data techniques and standards have been used to integrate existing Web information developing e-research efforts. Web applications and sources have to publish enriched information and data models, which are then matched and aligned. Some aspects of this integration are related with the evolutionary tracking, trustiness and plurality of the information available for e-science research. These aspects need to be modeled independently of the information and data sources of the research discipline. Here we provide an integrative ontology that enables to model such non-functional, informational aspects, to integrate information sources from enriched linked data applications. Finally we describe an application case of information research in the e-culture fiel
An Architecture for Open Cross-Media Annotation Services
by Beat Signer
Beat Signer and Moira C. Norrie, Proceedings of WISE 2009, 10th International Conference on Web Information Systems Engineering, Poznan, Poland, October 2009
The emergence of new media technologies in combination with enhanced information sharing functionality offered by the... more The emergence of new media technologies in combination with enhanced information sharing functionality offered by the Web provides new possibilities for cross-media annotations. This in turn raises new challenges in terms of how a true integration across different types of media can be achieved and how we can develop annotation services that are sufficiently flexible and extensible to cater for new document formats as they emerge. We present a general model for cross-media annotation services and describe how it was used to define an architecture that supports extensibility at the data level as well as within authoring and visualisation tools.
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Download (.pdf) As We May Link: A General Metamodel for Hypermedia Systems
by Beat Signer
Beat Signer and Moira C. Norrie, Proceedings of ER 2007, 26th International Conference on Conceptual Modeling, Auckland, New Zealand, November 2007
Many hypermedia models have been proposed, including those specifically developed to model navigational aspects of web... more Many hypermedia models have been proposed, including those specifically developed to model navigational aspects of web sites. But few hypermedia systems have been implemented based on metamodelling principles familiar to the database community. Often there is no clear separation between conceptual and technical issues in the models and their implementations are not based on an explicit representation of a metamodel. This results in a loss of generality and uniformity across systems. Based on principles of metamodel-driven system development, we have implemented a platform that can support various categories of hypermedia systems through the generality and extensibility of the metamodel. We present our metamodel and show how it generalises concepts present in a range of hypermedia and link server systems.
What is Wrong with Digital Documents? A Conceptual Model for Structural Cross-Media Content Composition and Reuse
by Beat Signer
Beat Signer, Proceedings of ER 2010, 29th International Conference on Conceptual Modeling, Vancouver, Canada, November 2010
Many of today's digital document formats are strongly based on a digital emulation of printed media. While such a... more Many of today's digital document formats are strongly based on a digital emulation of printed media. While such a paper simulation might be appropriate for the visualisation of certain digital content, it is generally not the most effective solution for digitally managing and storing information. The oversimplistic modelling of digital documents as monolithic blocks of linear content, with a lack of structural semantics, does not pay attention to some of the superior features that digital media offers in comparison to traditional paper documents. For example, existing digital document formats adopt the limitations of paper documents by unnecessarily replicating content via copy and paste operations, instead of digitally embedding and reusing parts of digital documents via structural references. We introduce a conceptual model for structural cross-media content composition and highlight how the proposed solution not only enables the reuse of content via structural relationships, but also supports dynamic and context-dependent document adaptation, structural content annotations as well as the integration of arbitrary non-textual media types. We further discuss solutions for the fluid navigation and cross-media content publishing based on the proposed structural cross-media content model.
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A Model and Architecture for Open Cross-Media Annotation and Link Services
by Beat Signer
Beat Signer and Moira C. Norrie, Information Systems 36(3), Elsevier, May 2011
Over the last decade, we have seen a tremendous increase in the number of digital media types that we deal with as... more Over the last decade, we have seen a tremendous increase in the number of digital media types that we deal with as part of our daily work. While the Web with its linking functionality was originally designed for organising information in the form of HTML documents containing embedded media such as images, movies and sounds, the underlying hypertext model is not flexible enough to deal with new media types. A flexible link and annotation service should not only support a growing set of digital media types, but also pay attention to emerging possibilities for linking and integrating the physical environment with digital information spaces in the form of augmented reality environments. The successful implementation of these so-called cross-media information spaces, where different types of digital information get linked and integrated with physical entities, demands for a rethinking of models and architectures for extensible and scalable cross-media annotation and linking. In this paper, we present our general model for open cross-media annotation and link services and highlight how this model enabled the realisation of an extensible cross-media architecture. We further introduce the concept of open cross-media information spaces where the integration of new media types on the data level as well as on the visualisation level is supported via a resource plug-in mechanism.
Dweb model: representing Web 2.0 dynamism
Computer Communications Journal, 2009 vol. 32 (6) pp. 1118-112
Incorporación de modelado dinámico a un generador de carga para la Web 2.0
XXXII Conferencia Latinoamericana de Informática. CLEI 2006
Modeling continuous changes of the user's dynamic behavior in the WWW
Proceedings of the 5th international workshop on Software and performance. WOSP 2005
Modelado de patrones de comportamiento de usuarios WWW de segunda generación
Proceedings of I JORNADAS CIENTÍFICO-TÉCNICAS EN SERVICIOS WEB. JSWEB 2005
Modelling users' dynamic behaviour in e-business environments using navigations
International Journal of Electronic Business, 2005 vol. 3 (3) pp. 225-242
Modeling users' dynamic behavior in web application environments
Proceedings in 2nd International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks 2004
Generating dynamic workload for web performance evaluation
In XXI Jornadas de Paralelismo, 978-84-92812-49-3, pages 711–718, 2010.