Guillermo Vega-gorgojo

• University of Valladolid

El Inventario Forestal Nacional (IFN) es fundamental para la gestión de los ecosistemas forestales en España, aunque su uso es complicado debido a su fragmentación en 100 archivos con esquemas complejos y formatos obsoletos. La tercera edición del inventario (IFN3) se ha integrado en la base de datos Cross-Forest, un repositorio que combina datos f...

Linking National Forest Inventory (NFI) data with local administrative units (LAUs) unlocks a wealth of benefits for forest management. It enhances precision in assessments, facilitates policy alignment, optimizes resource allocation, and enables effective monitoring and research at the local level. This study presents an automated process to conve...

Introduction Modern forestry increasingly relies on the management of large datasets, such as forest inventories and land cover maps. Governments are typically in charge of publishing these datasets, but they typically employ disparate data formats (sometimes proprietary ones) and published datasets are commonly disconnected from other sources, inc...

LOD4Culture is a web application that exploits Cultural Heritage Linked Open Data for tourism and education purposes. Since target users are not fluid on Semantic Web technologies, the user interface is designed to hide the intricacies of RDF or SPARQL. An interactive map is provided for exploring world-wide Cultural Heritage sites that can be filt...

Los retos a los que se enfrenta en la actualidad la formación deposgrado y la gestión forestal de calidad son muy relevantes por la ocurrencia y magnitud de problemas ambientales globales (cambio climático, especies invasoras y pérdida de la biodiversidad), así como por la demanda creciente de bienes y servicios ecosistémicos por la sociedad, para...

El Explorador Forestal es una aplicación web con la que se puede navegar fácilmente los contenidos de inventarios forestales y mapas forestales ibéricos. Para ello accede a una fuente de datos abiertos enlazados creada en el proyecto europeo Cross-Forest a partir de los datos originales. La aplicación está disponible en https://forestexplorer.gsic....

Cultural Heritage learners can highly benefit from ubiquitous learning approaches that connect in-classroom activities with active on-site learning opportunities. However, teachers face the problem that the current landscape of technological support for learning Cultural Heritage mostly consists of mobile applications for informal contexts, complet...

There is a deluge of Cultural Heritage Linked Open Data containing detailed information (e.g., location, architectural styles, etc.). Teachers could use this Open Data to generate meaningful learning tasks. However, most teachers are not using this information. This may be because they are not aware of these information sources or because they have...

Forest Explorer is a web tool that can be used to easily browse the contents of the Cross-Forest dataset, a Linked Open Data resource containing the forestry inventory and land cover map from Spain. The tool is purposed for domain experts and lay users to facilitate the exploration of forestry data. Since these two groups are not knowledgable on Se...

This paper presents Casual Learn, an application that proposes ubiquitous learning tasks about Cultural Heritage. Casual Learn exploits a dataset of 10,000 contextualized learning tasks that were semiautomatically generated out of open data from the Web. Casual Learn offers these tasks to learners according to their physical location. For example,...

Massive amounts of Linked Open Data are readily available to anyone who wants to use them. Unfortunately, Semantic Web technologies such as SPARQL and RDF remain unfamiliar to the majority of web developers, more used to REST APIs. This paper addresses the challenge of accessing Linked Open Data through REST APIs. Configurable REST APIs For Triple...

Educawood is a socio-semantic annotation system intended for environmental learning in Secondary and Higher Education. It can be used to socially annotate trees and other ecosystem structures such as dead wood. Furthermore, Educawood allows the exploration of existing semantic datasets of land cover maps and forestry inventories as well as social t...

This demo paper presents SCARLETT, a Smart Learning Environment designed to track the evolution of learners across formal and informal contexts in order to provide personal support to learners. SCARLETT benefits from a variety of Technology Enhanced Learning systems and tools for collecting information about the students actions across physical and...

This paper proposes a template-based approach to semi-automatically create contextualized learning tasks out of several sources from the Web of Data. The contextualization of learning tasks opens the possibility of bridging formal learning that happens in a classroom, and informal learning that happens in other physical spaces, such as squares or h...

Autor(es): Asunción Roldán Zamarrón, Marta Lerner Cuzzi, Belén Fierro García, Felipe Aguirre Briones, Víctor Gonzalvo Morales, Ramón Baiget Llompart, Felipe Bravo Oviedo, Cristobal Ordóñez Alonso, Guillermo Vega-Gorgojo, José Miguel Giménez-García, Alexandra Fonseca, Ana Luísa Gomes, Álvaro Fanego Lobo, Jesús Lorenzana Campillo, Vicente Matellán Ol...

Cross-Forest project aims to develop Digital Service Infrastructures (DSI) services oriented towards forestry and GIS datasets that come from Portugal and Spain, covering forestry evolution models and forest fires control through precise information on combustible materials, forestry maps and propagation models that need High Performance Computing...

Smart Learning promises the connection between formal and informal learning, but how to offer informal learning tasks related to formal learning is still a challenge. This demonstration paper presents CasualLearn, a smart learning application that bridges formal and informal learning to learn History of Art in the Spanish region of Castile and Leon...

Linked Data exploration is an essential task in the process of understanding, assessing, and using datasets made available in the Resource Description Framework (RDF) format. Current solutions for exploration of RDF data are mainly targeted at Semantic Web experts, require non-trivial deployments, and do not scale to the increasing amounts of data...

Smart Education requires bridging formal and informal learning experience. However, how to create contextualized learning resources that support this bridging remains a problem. In this paper, we propose to exploit the open data available in the Web to automatically create contextualized learning resources. Our preliminary results are promising, as...

Smart Education promises personalized learning experiences that bridge formal and informal learning. Our proposal is to exploit the Web of Data to automatically create learning resources that can be, later on, recommended to a learner based on her learning interests and context. For example, a student enrolled in an arts course can get recommendati...

Background Information technology has transformed the way healthcare is conducted. There is a deluge of patient data dispersed in different systems that are commonly not interoperable. As a result, access to patient data has become a major bottleneck for healthcare professionals that struggle to find the relevant information in a timely way and wit...

Smart Learning Environments hold promise of adapting learning processes to the individual context of students and connecting formal with non-formal learning. To do so, SLEs need to know the current context of the students, regardless of the physical or virtual space where learning takes place. This paper presents an architecture that assists in the...

DBpedia is a large-scale and multilingual knowledge base generated by extracting structured data from Wikipedia. There have been several attempts to use DBpedia to generate questions for trivia games, but these initiatives have not succeeded to produce large, varied, and entertaining question sets. Moreover, latency is too high for an interactive g...

Despite the increasing availability of RDF data, exploring and browsing semantic datasets is still a daunting task for lay users. RDF Surveyor is an easy-to-use visual exploration tool that can be plugged in any CORS-enabled SPARQL 1.1 endpoint without requiring any installation. RDF Surveyor offers an intuitive user interface that gives an overvie...

This demonstration presents Clover Quiz, a turn-based mul-tiplayer trivia game for Android devices with more than 200K multiple choice questions (in English and Spanish) about different domains generated out of DBpedia. Instead of live queries, questions are created off-line through a data extraction pipeline and a versatile template-based mechanis...

This paper presents the risks and opportunities of big data and the potential social benefits it can bring. The research is based on an analysis of the societal impacts observed in a set of six case studies across different European sectors. These impacts are divided into economic, social and ethical, legal and political impacts, and affect areas s...

p class="3">This paper presents We-Share, a social annotation application that enables educators to publish and retrieve information about educational ICT tools. As a distinctive characteristic, We-Share provides educators data about educational tools already available on the Web of Data while allowing them to enrich such data with their experience...

Patient safety and treatment effectiveness can be improved by introducing pharmacogenomic testing into current clinical practice. LOD resources such as DrugBank and SIDER are readily available to be used but are not integrated and cannot be easily exploited by clinical health workers. To overcome these limitations, we have set up a novel pharmacolo...

This case study is focused on the impact of big data in exploration and production ofoil & gas in the Norwegian Continental Shelf Overall, the industry is currently transitioning from mere data collection practices to more proactive uses of data, especially in the operations area. Positive economical impacts associated with the use of big data comp...

Despite the increasing availability of RDF datasets, searching and browsing semantic data is still a daunting task for mainstream users. With PepeSearch, it is easy to query an arbitrary triple store without previous knowledge of RDF/SPARQL. PepeSearch offers a form-based interface with simple and intuitive elements such as drop-down menus or slide...

With the emergence of the Web of Data, there is a need of tools for searching and exploring the growing amount of semantic data. Unfortunately, such tools are scarce and typically require knowledge of SPARQL/RDF. We propose here PepeSearch, a portable tool for searching semantic datasets devised for mainstream users. PepeSearch offers a multi-class...

Evaluation data. (XLSX)

Data access in an enterprise setting is a determining factor for value creation processes, such as sense-making, decision-making, and intelligence analysis. Particularly, in an enterprise setting, intuitive data access tools that directly engage domain experts with data could substantially increase competitiveness and profitability. In this respect...

The rapid growth of the Linked Open Data cloud, as well as the increasing ability to lift relational enterprise datasets to a semantic, ontology-based level means that vast amounts of information are now available in a representation that closely matches the conceptualizations of the potential users of this information. This makes it interesting to...

The european higher education area (EHEA) aims to create a more comparable, compatible and coherent space of Higher Education in Europe. After a decade of reforms, most of the required instruments are already in place, so the next years are key to complete the implementation and consolidation of the EHEA. However, data challenges pose a threat to p...

ePortfolios are recognized as effective tools for formative assessment. Learn- ing outcomes are demonstrated by a number of work samples, which provide a good overview, not only of the acquired competences, but also of the path followed to get there. However, ePortfolios do no provide means for their automatic integration in Distributed Learning En...

Optique overcomes problems in current ontology-based data access systems pertaining to installation overhead, usability, scalability, and scope by integrating a user-oriented query interface, semi-automated managing methods, new query rewriting techniques, and temporal and streaming data processing in one platform.

This study critically reviews the recently published scientific literature on Linked Data proposals in the educational field. After systematically searching online bibliographic databases, 33 original works satisfied the scope and quality criteria, and thus were included in this review. Studies were classified with respect to TEL research areas; in...

GLUE! is an integration architecture that allows teachers to easily set up an LMS environment with several external tools to carry out complex collaborative learning situations in distance settings. Though its effectiveness in alleviating the burden on teachers of deploying and enacting such situations has been studied elsewhere, there are no studi...

There are several Information and Communication Technology (ICT) tool registries that support educators when searching ICT tools for their classrooms. A common problem in these registries is how their data is sustained, since educational descriptions of ICT tools are hard to create and maintain updated. This paper proposes SEEK-AT-WD, an infrastruc...

This paper presents the design and development of WeShare, a social annotation application that allows educators to search, create and enrich descriptions of Information and Communication Technologies (ICT) tools from the Web of Data. As many others social applications, We-Share allows educators to publish information about the ICT tools they use i...

The integration of external tools in Virtual Learning Environments (VLEs) aims at enriching the learning activities that educational practitioners may design and enact. This paper presents GLUE!, an architecture that enables the lightweight integration of multiple existing external tools in multiple existing VLEs. GLUE! fosters this integration by...

This paper discusses the lightweight integration of external applications in different learning environments like LMSs, PLEs or MOOCs using the GLUE! architecture. Also, the current status of GLUE! is presented, describing the particularities of integrating external applications in Moodle, LAMS and MediaWiki. Finally, the paper gives instructions t...

The benefits of using ePortfolios in widespread Distributed Learning Environments are hindered by two problems: students have difficulties in selecting which learning artifacts may demonstrate the acquisition of certain learning skills; and, both teachers and students have difficulties in collecting evidences produced by means of distributed and he...

This paper presents a Distributed Network Simulation Environment (DNSE) based on grid technology that, unlike the well‐known ns‐2 simulator, provides two important features that facilitate the study of network scenarios that require running multiple simulations. First, the DNSE is capable of automatically handling the realization of multiple distri...

The use of Information and Communication Technologies (ICT) tools to support learning activities is nowadays generalized. Several educational registries provide information about ICT tools in order to help educators in their discovery and selection. These registries are typically isolated and require much effort to keep tool information up to date....

SEEK-AT-WD is an open Linked Data-based registry of educational tools that crawls the Web of Data to obtain tool metadata, thus significantly reducing the overall effort of data generation and maintenance. Since SEEK-AT-WD is an infrastructure, there is a need of end-user applications that can consume these data and provide additional value to the...

This paper presents a case study of the usage of GLUE!, a loosely-coupled architecture that enables the integration of external tools in VLEs. The case study is a collaborative learning situation carried out through a VLE, but involving several external tools. GLUE! is used to instantiate and enact this situation in two authentic experiments. Evalu...

The main objective of this paper is to illustrate the instantiation and enactment of a collaborative learning situation that requires the integration of three external tools, in two different VLEs (Moodle and LAMS), with GLUE!. GLUE! facilitates the instantiation of collaborative activities, reducing the time and effort educators need for the creat...

Several educational organizations provide Information and Communication Technology (ICT) tool registries to support educators when selecting ICT tools for their classrooms. A common problem is how to populate these registries with descriptions of ICT tools that can be useful for education. This paper proposes to tackle it taking advantage of the in...

The deployment of non-trivial colaborative learning situations in VLEs is a burdensome and eror- prone proces for teachers, especialy as the number of participants, groups, tols and activites grows. Besides, this deployment frequently sufers from the limited set of VLE built-in tols teachers can select to suport learning activites. GLUE! and GLUE!-...

Despite ongoing research on learning repositories, share and reuse of Teacher Education (TE) resources remains scarce. One of the reasons is that TE communities use their own in-house resources and repositories in a rather isolated way, thus limiting resource exchange in different contexts. Further, current learning metadata specifications such as...

In order to support educators when selecting ICT tools, several educational organizations provide ICT tool registries whose functionality is limited by the data they contain. These registries could reduce the cost of creating and updating their datasets obtaining ICT tool descriptions from the Web of Data. However, some problems hinder the educatio...

The REST architectural style pursues scalability and decoupling of application components on target architectures, as opposed to the focus on distribution transparency of RPC-based middleware infrastructures. Ongoing debate between REST and RPC proponents evidences the need of comparisons of both approaches, as well as case studies showing the impl...

LAMS is a well-known learning platform that enables the design, enactment and realization of sequenced collaborative learning activities. However, LAMS lessons are limited by a small set of built-in tools. Few works have so far tried to add new tools to LAMS, mainly due to the high development effort required. GLUE! (Group Learning Uniform Environm...

The integration of existing educational computer-based tools is a current research trend aimed at increasing the range of learning situations that can be supported by most widely adopted Virtual Learning Environments (VLEs). Nevertheless, due to the technological and functional heterogeneity of both tools and VLEs, there is an integration cost that...

Uno de los aspectos más importantes que deben considerar las propuestas de integración de herramientas externas en Entornos de Aprendizaje Virtual (VLE), son los requisitos de seguridad que impone cada VLE y cada herramienta a la hora de permitir el acceso a su funcionalidad. El objetivo debe ser que los educadores y estudiantes puedan acceder de f...

This paper introduces Ontoolsearch, a new search system that can be employed by educators in order to find suitable tools for supporting collaborative learning settings. Current tool search facilities commonly allow simple keyword searches, limiting the accuracy of obtained results. In contrast, Ontoolsearch supports semantic querying of tool knowl...

Benchmarking for educational purposes in the context of computer science can be hindered by the low number and the homogeneity of machines to be assessed, and the inaccuracy of the benchmarks to represent specific workloads. Thus, this paper proposes a benchmarking tool developed within a service-oriented grid in order to allow students to benchmar...

Computer Supported Collaborative Learning (CSCL) aims at promoting active learning and knowledge construction through the interaction with peers, mediated and supported by software tools, which make it very attractive for engineering courses. Despite this, there are not so many successful CSCL scenarios happening on a regular basis. Several CSCL fr...

This paper introduces Gridcole, a new system that can be easily tailored by educators in order to support the realization of scripted collaborative learning situations. To do so, educators can provide a script specifying the sequence of activities to be performed by learners as well as the tools and documents required to support them. Gridcole can...

Collaborative learning systems can be constructed following the service- oriented computing paradigm. This allows educators to integrate external tools, offered as services by software providers, in order to support the realization of collaborative learning situations. Discovering appropriate services is a challenging task that requires the descrip...

This paper presents the design of a new simulation environment based on the well-known ns-2 network simulator with two significant characteristics. First, it enables the possibility of running a large number of simulations even if the computational and storage resources locally available are scarce. Second, it provides a number of features in order...

Collaborative learning systems can benefit from service-oriented computing, allowing educators to integrate external tools, offered as services by software providers, in order to support the realization of collaborative learning situations. Since finding and selecting appropriate services is a challenging issue, the Ontoolcole ontology has been dev...

CSCL systems can benefit from using grids since they offer a common infrastructure enabling access to an extended pool of resources that can provide supercomputing capabilities as well as specific hardware resources. Adopting a service oriented architecture such as OGSA can further benefit CSCL systems, enabling increased flexibility to adapt and r...

The IEEE/Association for Computing Machinery (ACM) Computing Curricula and the Accreditation Board of Engineering and Technology (ABET) Evaluation Criteria 2000 emphasize the use of recurrent concepts and system design/evaluation through projects and case studies in the curriculum of Computer and Electrical Engineering. In addition, efficient teamw...

The choice of the most suitable middleware technology for a specific problem or domain is sometimes erroneously based on current trends instead of on a thorough comparison of the features offered by the different options. This could be the case of grid services technology, which is claimed to be a technological advance, but whose characteristics ar...

CSCL systems can benefit from using a grid, since it offers a common infrastructure allowing an extended pool of resources that can provide supercomputing capabilities as well as specific hardware resources. Adopting a service oriented architecture such as OGSA can further benefit CSCL systems, enabling increased flexibility to adapt and reuse lear...

Many CSCL systems have embraced scripting and service oriented com- puting to achieve effective collaboration and system e xibility, respectively. While learning standards, such as IMS-LD, can be used for scripting, we have encoun- tered some problems to describe activity types, their collaboration properties and learning tools with this standard....

During the recent years, Computer-Supported Collaborative Learning (CSCL) has been a very active field of educational research and practice. Nevertheless, there are several problems yet to be solved that preclude the efficient use of emerging technologies and the establishment of fluent communication channels among the different actors involved in...

This paper presents Gridcole, a new collaborative learning system that can be easily tailored by educators in order to support their own CSCL scenarios, using computing services provided by third parties in the form of OGSA grid services. Educators employ scripts in order to describe the sequence of learning activities and required tools, with stan...

This paper presents our research efforts towards enabling the use of grid infrastructures for supporting Computer Supported Collaborative Learning (CSCL) applications developed according to the principles of ComponentBased Software Engineering (CBSE). An illustrative example of a gridsupported component-based collaborative learning application is p...

This paper presents our research efforts towards enabling the use of grid infrastructures for supporting Computer Supported Collaborative Learning (CSCL) applications developed according to the principles of Component-Based Software Engineering (CBSE). An illustrative example of a grid-supported component-based collaborative learning application is...

This paper describes the integration of the Grid topic within a computer architecture engineering course. Students are engaged in a project of design and evaluation of computing systems for a specific customer/market sector. The contents of the course and the case studies have been adapted in order to motivate the study of the Grid. In particular t...

Research in the computer supported collaborative learning (CSCL) field is currently tackling three important problems which are closely related: difficult integration of CSCL tools, scarce software reuse and technification. This work presents a Grid Collaborative Learning Environment (GRIDCOLE) that combines IMS learning design (IMS-LD) and Open Gr...

CSCL applications are complex distributed systems that pose special requirements towards achieving success in educational settings. Flexible and efficient design of collaborative activities by educators is a key precondition in order to provide CSCL tailorable systems, capable of adapting to the needs of each particular learning environment. Furthe...

El Aprendizaje Colaborativo Apoyado por Ordenador (CSCL) viene siendo en los últimos años un campo de investigación y práctica educativa muy activo. Sin embargo, siguen existiendo serios problemas que impiden el uso eficiente de las tecnologías emergentes y el establecimiento de un canal fluido de comunicación entre los distintos actores de la comu...

This paper aims to advance towards enabling grid infrastructures to provide support for component-based Computer Supported Collaborative Learning (CSCL) applications. In order to achieve this goal, a resource assigner able to deploy CSCL applications within the grid must be developed following CSCL domain specific performance criteria. Thus, a gene...

This paper discusses some experiences on using case studies in courses of Telematics Engineering. In one course a "learn by design" project is carried out, that promotes the development of abilities for searching information, arguing and taking decisions. Moreover, students have stronger motivation and achieve deeper learning of domain concepts, su...

This paper studies the problem of Short-Term Load Forecasting (STLF) for industrial customers. Since they have a large impact on power consumption and a particular load demand, an accurate forecast is specially important. For this task we study the application of two neurofuzzy systems, FasArt and FasBack, in addition to other techniques such as Mu...