Thibaud Latour

Luxembourg Institute of Science and Technology (LIST) | LIST · CEO office / Knowledge and Technology Transfer

This research is based on the adaptation and validation in French of the Pedestrian Receptivity Questionnaire for Fully Autonomous Vehicles (PRQF). Faced with the emergence of numerous issues related to interactions between pedestrians and fully autonomous vehicles (FAV), this questionnaire is a reliable and scientifically valid means of collecting...

In our project, we investigate the scientific validity of a specific self-built Adaptive Learning Tool in the field of dynamic geometry with a particular focus on the individual learning pathways of a highly diverse student population. 164 children of Luxembourg elementary schools, aged between 10 and 13 years, acted as test-group and explored elem...

The Treignac water is a natural mineral water containing mainly orthosilicic acid. On inert substrates, it forms a silica film with fractal structures which cannot be reproduced in laboratory-reconstituted water. These structures form by condensation of orthosilicic acid monomers, following the Witten–Sander model of diffusion-limited aggregation....

To allow researchers explore the use of active tangibles in different tabletop scenarios, affordable and easy-to-use rapid prototyping tools are needed. This paper presents the design and implementation of active tangibles based on a microcontroller-based development platform called Kniwwelino. They are wirelessly connected via WiFi and can be prog...

Human–robot interaction is a well-studied research field today; robots vary from tele-operators and avatars to robots with social characteristics. In this review paper, first we present related work on tele-operation, mobile robotic telepresence, and social robots. Then, we focus on the role of gestures and body language in robotics, and more preci...

Competency self-assessment for Performance Appraisal is receiving increasing attention from both researchers and practitioners. Nevertheless, the accuracy and supposed legitimacy of this type of assessment is still an issue. In the context of an industrial use case, we aim to develop and validate a computer-based competency self-assessment technolo...

The construct to assess collaborative complex problem solving has two dimensions: the collaboration and the complex problem solving construct. Both have been defined in the past in the literature, but unfortunately no common model exists. In addition, current assessments lack of authentic tasks which enforce both face-two-face collaboration while s...

In this position paper, we refer to the concept of telepresence and give an overview about current solutions that provide a sense of being in a different place. We focus on Mobile Robotic Telepresence and summarize arguments from literature regarding the importance of formal and informal gesture and body language for communication and collaboration...

Collaborative problem solving is a skill that has become very important in our everyday lives and is constantly gaining attention in educational settings. In this paper, we present COPSE: a novel and unique software framework for instantiating Microworlds as collaborative problem solving activities on tangible tabletop interfaces. The framework pro...

Currently designed Tangible User Interfaces (TUIs) propose both iconic and symbolic tangible objects (TO). Since iconic TOs should enable to interact more naturally like in the real world and, hypothetically, require less learning time than symbolic TOs, some questions arise: Why do symbolic TOs exist? When to use iconic or symbolic representation...

Complex problem solving (CPS) is now established as a key aspect of today’s educational curricula and a central competence for international assessment frameworks. It has become clear that the educational context – particularly among general school-age students – places particular demands on the instruments used to assess CPS, such as computer-base...

In this PhD project, about 250 Luxembourgish children of 10-12 years explore elementary geometric concepts in a sequence of learning activities, created with the dynamic mathematics system GeoGebra integrated into the computer-assisted testing framework TAO. The children, who are active in their learning process, are allowed to build new knowledge...

In this PhD project, about 250 luxembourgish children of 10-12 years explore elementary geometric concepts in a sequence of learning activities, created with the dynamic mathematics system GeoGebra integrated into the computer-assisted testing framework TAO. The children, who are active in their learning process, are allowed to build new knowledge...

The tangible tabletop has been exploited in many different application domains as one of the most popular setups of Tangible User Interfaces. Proposed interaction techniques are based on, for instance, direct manipulation, dual hand input, or physical actuation. This paper reports on the design and implementation of a new interaction technique to s...

In this paper, we describe a new software framework for tangible tabletop interfaces: TULIP. The framework uses an abstraction layer to receive information from computer vision frameworks, such as reacTIVision, and a widget model based on MCRit to enable rapid application development. TULIP applies Software Engineering principles such as Separation...

Cet article présente les résultats de la validation d’un outil d’auto-évaluation des compétences assistée par ordinateur, en gestion de carrières. Basé sur des échelles comportementales génériques, cet outil traduit en évaluation tout référentiel de compétences. Afin de déterminer si l’outil est efficace, deux perspectives ont été investiguées (psy...

The search of molecular structures inside a large database of chemical compounds is a critical step for many computer programs used in several domains of chemistry. During the last years, the size of many chemical databases has dramatically increased, hence in the meantime, search engines needed to be more and more powerful. The speed and the effic...

The assessment of higher order thinking skills should measure knowledge and procedure as well as attitudes and dispositions. It can be considered as multidimensional regarding the cognitive processes involved in solving, for instance, a complex problem. This paper reports on two empirical studies in which a so called tangible user interface (TUI) w...

This chapter reviews the contribution of new information-communication technologies to the advancement of educational assessment. Improvements can be described in terms of precision in detecting the actual values of the observed variables, efficiency in collecting and processing information, and speed and frequency of feedback given to the particip...

Assessing higher order thinking skills should measure knowledge, procedure, as well as attitudes and dispositions. It can be considered as multidimensional regarding the cognitive processes involved to solve a complex problem, for instance. This paper summarises first experiences made with a so called tangible user interface (TUI) for assessment pu...

Computer-based problem solving scenarios or "microworlds" are contemporary assessment instru-ments frequently used to assess students' complex problem solving behavior – a key aspect of today's educational curricula and assessment frameworks. Surprisingly, almost nothing is known about their (1) acceptance or (2) psychometric characteristics in stu...

This paper presents the work in progress aiming to elaborate a solution for automated dialogue-based ontology elicitation. Fusion of knowledge elicitation and ontology learning techniques into ontology elicitation techniques can be interactively applied to automatically develop domain ontologies without involvement of a knowledge engineer. This is...

The purpose of this paper is to present the important characteristics of the intelligence measurement tool called “The Genetics Lab”. This tool, based on web technologies, allows one to assess general intelligence using complex simulations. It has been developed and evaluated to measure cognitive skills of students in Luxembourg. Behind the tool it...

Operational risk management (ORM) is a process of critical importance to organizations. It refers to the systematic identification, assessment and mitigation of operational risks, i.e. risks stemming from processes, people, systems or external events. ORM is performed through different systems in the different business units of the enterprise - how...

This paper describes the TESLA authoring tool for creating scoring variables in the domain of complex problem solving. Its principles and high-end features will be demonstrated.

Corporate wikis are increasingly being adopted by enterprises as a solution to various organizational processes. Subsequently a significant number of research works have started focusing on providing results on both successful and unsuccessful corporate wiki implementations. Nevertheless, the scope of these studies is usually limited on a specific...

In this paper, we present an approach for high stake decision making based on the processing of uncontrolled knowledge originated from e-communities. Knowledge bases fed by such communities can provide a very rich source for a diagnosis or decision-support systems. However, they inherently bear inherent problems due in particular to knowledge heter...

The main purpose of this paper is to present a new approach for High-Stake Decision Support Systems. We introduce the challenge of the exploitation of heterogeneous community-based knowledge for decision-aid in critical situations. Knowledge shared in e-communities can be very rich, but is also inherently chaotic and questionable. Such uncontrolled...

The TAO framework is an open-source project that provides a very general and open architecture for developing and delivering tests for the purpose of technology-based assessments. Besides summarizing the main features of TAO, this paper lists TAO’s advantages compared to other tools and platforms for technology-based assessment, and reports on its...

Interoperability has been mainly approached from an IT point of view or enterprise collaboration perspective. This paper aims at contributing to develop a science base for interoperability by studying interoperability on the basis of the system theory. The main contribution is to propose a formalisation of interoperability grounded in the general s...

The ICASE project addresses issues related to computer-based assessment practices, analysed from the perspectives of IT, psychometrics and assessment, and is intended to open up new research strands.

Purpose – By providing interoperability users can be supported in sharing and reusing vocabularies and knowledge. Ontology alignment plays an important role in the context of semantic interoperability. Usually ontology alignment tools generate results that are difficult to understand or assess. In order to enable users to check and improve alignmen...

With a first version developed last year, the Ontology of Interoperability (OoI) aims at formally describing concepts relating to problems and solutions in the domain of interoperability. From the beginning, the OoI has its foundations in the systemic theory and addresses interoperability from the general point of view of a system, whether it is co...

this article draws from our experience in the PALETTE project with the integration of several Web applications and services, to propose a list of properties that allow Web applications to become part of an online social space. That categorization is useful both for group mediators that want to select the right technology, and for software developer...

Computer-Assisted Testing (CAT) is gaining increasing interest from professional and educational organizations, particularly since the dramatic emergence of the Internet as a privileged communication infrastructure. In a similar fashion to e-learning technology, the generalized use of computers has made possible a wide range of new assessment modal...

The work presented in this paper aims to elaborate a model of knowledge evaluation within ICT solutions-supported Communities of Practice (e-CoPs). It is placed in the context of Knowledge Management (KM) services that are developed in the PALETTE project dedicated to enhance learning dynamics within e-CoPs. Building upon a study of participation a...

The ability of a system to interoperate with another is a multi-dimensional concern which must be considered simultaneously from different perspectives and covering all the concerns relevant for different stakeholders. In this paper, we present a model of interoperability for service-based inter-enterprise computing environments which is based on t...

Though ontologies are widely used to solve some specific interoperability problems, there is no specific ontology defining what interoperability actually is, independently from any domain. In this paper, we propose and discuss a first version of such an ontology, namely the OoI (Ontology of Interoperability), which we formalized using the Ontology...

PALETTE deliverable - report number D.KNO.03 - 103 pages

Today building Rich Internet Application (RIAs) still requires programmer's skills. The rare open frame- works which allow non-technical users to design rich content education modules are quite limited in terms of presentation and certainly hinder the creativity. EXULIS is a free, open-source cross-platform application that is able to display rich...

This paper presents a common framework for the conceptual information of MPEG-7, interoperable with the semantic Web, and providing high performance search capabilities, using fuzzy set theory and ontology relations. Starting from the meta-data model of the MPEG-7, to which we add few layers while keeping the existent, so as to guarantee compatibil...

This paper aims at proposing a global view of the interoperability problem, independently of any domain. We first describe explicitly the problem, and the context in which it appears. We then suggest a general structure to handle the possible solutions. Finally, we propose some possible application of our model.

Interoperability usually refers to software system communication. Although there is no widely accepted definition, and therefore no common understanding of the context, there are multiple solutions (protocols, architectures, components) that promise to solve integration issues. The INTEROP network of excellence aims at proposing a large view of int...

The Centre de Recherche Public Henri Tudor is as a public research centre whose main objective is to promote innovation in both private and public sectors by providing support services across the main technology areas and notably information and communication technologies (ICT). The Centre of Innovation in Information Technology (CITI) is specifica...

ABSTRACT In this paper, we present a large and general overview of document models that can be used to represent the text content. The overview is organized according to a series of model components (tokens, concepts or themes) and a series of possible structures (vectors, trees, graphs, and ontologies). Each model is brie∞y discussed in terms of s...

This paper presents a modular platform for internet-based computer aided testing. This platform allows the management of knowledge pertaining to subjects (individuals whose competencies and knowledge may be assessed), groups of subjects, tests and items (elements of tests requiring an answer from the testee). All the knowledge about the various res...

Developments based on a topological analysis approach of electron density maps are presented and applied to two different fields: the interpretation of electron density maps of proteins and the description of shape complementarity between a cyclodextrin host and a guest molecule. A global representation of the electron density distribution, through...

This paper reports interaction energy values for the systems heptakis (2,3,6-tri-O-methyl)-β-cyclodextrin complexed with R- and S-flurbiprofen. An intermolecular steric interaction potential calculation method is applied from the topological analysis of electron density maps and is assessed by comparison with values obtained from the application of...

Molecular modelling techniques have demonstrated their power as helpful tools in the design of molecular sieves. Seeking to automate and optimise this step of the design process in the field of zeolite structure-property relationship studies, we present a computerised procedure for the acquisition of the visual perception of a zeolite three-dimensi...

The efficiency of current learning systems and processes strongly depend on the quantity of the learning outcome evaluation. In the meantime, the learning community is putting more and more attention on the continuous improvement of the learning process. In this respect, competency assessment is now considered as the key stone of such systems. Inde...

PRECODEM est un dispositif de formation de demandeurs d’emploi destiné à compléter leur formation d’ingénieurs et de cadres en mettant-à-jour leurs compétences et connaissances. Ce dispositif fait intervenir des demandeurs d’emploi, des centres de formation, des entreprises et l’administration de l’emploi. Nous combinons des méthodes d’analyse des...

The control with an accurate, flexible and reliable manner of a group of autonomous vehicles in unstructured environments requires at a time to tacking account of both aspects: high-level (e.g., supervision of the progression of the mission; management of the existing interactions between the multi-vehicles systems) and low level (e.g., control of...

This paper describes the new scoring system and user interactions logging of the TAO e-assessment platform [1]. Its principles and high-end features will be demonstrated. In our approach we improve the TAO platform with two main components: a suitable and expressive language to describe the variables and the score engine that parses queries to calc...

Paper and pencil tests have always included external resources as part of items (e.g., a dossier to read before answering questions, a picture to illustrate the question, a chart to read and interpret…). With the development of computer-based assessment, items can use new types of multimedia resources (such as videos and animated representations)....