Ivy: A qualitative interface to reduce sedentary behavior in the office context

in DIS 2020 Companion - Companion Publication of the 2020 ACM Designing Interactive Systems Conference (2020)

This paper describes Ivy, an office chair that represents sitting time of an office worker through growing ivy strands. The longer one sits, the more strands will grow onto the chair. By means of a ... [more ▼]

This paper describes Ivy, an office chair that represents sitting time of an office worker through growing ivy strands. The longer one sits, the more strands will grow onto the chair. By means of a qualitative interface called Ivy, we illustrate a design approach that is currently underrepresented in sedentary behavior interventions. With this approach, we counter the current trend of digitalization and quantification of health interventions. Instead of graphs and numbers, Ivy uses data physicalization as a qualitative interface that represents sitting. We describe the design, the process, and future research steps of Ivy as a critical perspective on sedentary behavior interventions. We aim to spark discussion amongst designers and researchers in the field of Human-Computer Interaction to use qualitative interfaces as a promising approach to deepen the user's relationship with the targeted behavior and enrich the ability to construct meaning from the feedback. © 2020 Owner/Author. [less ▲]

IWalk in Luxembourg: Jewish public history in forgotten places

Scientific Conference (2020, November 06)

The contribution will introduce the process of designing two IWalk tours with bachelor students in Luxembourg. The presentation will contain the digital source criticism and new perspectives of digital ... [more ▼]

The contribution will introduce the process of designing two IWalk tours with bachelor students in Luxembourg. The presentation will contain the digital source criticism and new perspectives of digital hermeneutics related to themes of individual stops. The students were divided into two working groups, with each group assigned to a different area. Group A was in charge of designing a virtual tour in Luxembourg City and group B created one for the town of Esch-sur-Alzette. The participants took pictures of current buildings and locations associated with Jewish war history and compared them with original historical photos taken before and during the war. The students were encouraged to reflect on how the appearance and function of certain buildings had changed over time. Besides critical analysis of all pros and cons, I will introduce MAXQDA, a tool for qualitative data analysis to be an invaluable assistant for easier pre-selection of interviews. From a methodological perspective, we were able to judge the relevance of interviews for our work. Students also learned to link different text passages to each other as well as to other documents, educational websites, images or geographical locations. When several students are working with one data set, it is important to create a clear system of memos, codes and intercoder agreements. For a comparative analysis, students used a unified thematic coding tree they had created themselves. The use of a common code book tree enables them to find thematic intersections in their work. The contribution will also demonstrate the purpose of pre-question and post-questions, which make users consider the content of each IWalk stop. [less ▲]

IWalk: Mapping Jewish Life with your Mobile – New ways of teaching Jewish history in Luxembourg

Article for general public (2020)

Developed by USC Shoah Foundation – The Institute for Visual History and Education, the IWalk is an interactive educational program that connects concrete physical locations with memories of historical ... [more ▼]

Developed by USC Shoah Foundation – The Institute for Visual History and Education, the IWalk is an interactive educational program that connects concrete physical locations with memories of historical events that took place at those locations. It is currently concentrating on Europe and the US. People walking through the different tours use tablet computers to watch clips of Holocaust survivors and witnesses telling personal stories about the role of the locations in their experiences. The clips are drawn from their testimonies in the USC Shoah Foundation’s Visual History Archive. [less ▲]

Izkoristimo izkušnje, ustvarjamo znanje

in Borsig, Agnes; Knappe, Elke; Kriszan, Michael (Eds.) Posredujemo znanje - Izkoristimo izkušnje – Vzpodbujamo razoj. (2007)

This paper deals with networks for knowledge transfer in biomass and is seen as a first guideline for practitioners based on results of the INTERREG project REGIOSUSTAIN.

J'accuse, oder die Wahrheit über den Sprachenunterricht in Luxemburg

in Praxis des Neusprachlichen Unterrichts (2002), 49

J-NERD: Joint Named Entity Recognition and Disambiguation with Rich Linguistic Features

in TACL (2016), 4

J. F. Böhmer: Regesta Imperii. VI. Die Regesten des Kaiserreiches unter Rudolf, Adolf, Heinrich VII 1273-1313. 4. Abteilung: Heinrich VII. 1288/1308-1313: Regesten ab 1310, Oktober 23/24

Book published by Mainzer Akademie der Wissenschaften und der literatur - Mainzer Akademie der Wissenschaften und der Literatur (2020)

J. F. Böhmer: Regesta Imperii. VI. Die Regesten des Kaiserreiches unter Rudolf, Adolf, Heinrich VII. 1273–1313. 4. Abteilung: HEINRICH VII. 1288/1308–1313. Regesten aus dem Register und dem Imbreviaturenbuchdes Bernardo de Mercato.Elektronische pdf-Ressource

Book published by Mainzer Akademie der Wissenschaften und der Literatur - Mainzer Akademie der Wissenschaften und der Literatur (2020)

Jacobian varieties of genus 3 and the inverse Galois problem

Presentation (2015, October 28)

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q$. This question is encompassed in the general problem ... [more ▼]

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q$. This question is encompassed in the general problem of understanding the structure of the absolute Galois group G_Q of the rational numbers. A deep fact in arithmetic geometry is that one can attach compatible systems of Galois representations of G_Q to certain arithmetic-geometric objects, (e.g. abelian varieties). These representations can be used to realise classical linear groups as Galois groups over Q. In this talk we will discuss the case of Galois representations attached to Jacobian varieties of genus n curves. For n=3, we provide an explicit construction of curves C defined over Q such that the action of G_Q on the group of l-torsion points of the Jacobian of C provides a Galois realisation of GSp(6, l) for a prefixed prime l. This construction is a joint work with Cécile Armana, Valentijn Karemaker, Marusia Rebolledo, Lara Thomas and Núria Vila, and was initiated as a working group in the Conference Women in Numbers Europe (CIRM, 2013). [less ▲]

Jacobians of genus 2 curves with a rational point of order 11

in Experimental Mathematics (2009), 18(1), 65-70

On the one hand, it is well-known that Jacobians of (hyper)elliptic curves defined over $\Q$ having a rational point of order $l$ can be used in many applications, for instance in the construction of ... [more ▼]

On the one hand, it is well-known that Jacobians of (hyper)elliptic curves defined over $\Q$ having a rational point of order $l$ can be used in many applications, for instance in the construction of class groups of quadratic fields with a non-trivial $l$-rank. On the other hand, it is also well-known that $11$ is the least prime number which is not the order of a rational point of an elliptic curve defined over $\Q$. It is therefore interesting to look for curves of higher genus, whose Jacobians have a rational point of order $11$. This problem has already been addressed, and Flynn found such a family $\Fl_t$ of genus $2$ curves. Now, it turns out, that the Jacobian $J_0(23)$ of the modular genus $2$ curve $X_0(23)$ has the required property, but does not belong to $\Fl_t$. The study of $X_0(23)$ leads to a method to partially solving the considered problem. Our approach allows us to recover $X_0(23)$, and to construct another $18$ distinct explicit curves of genus $2$ defined over $\Q$ and whose Jacobians have a rational point of order $11$. Of these $19$ curves, $10$ do not have any rational Weierstrass point, and $9$ have a rational Weierstrass point. None of these curves are $\Qb$-isomorphic to each other, nor $\Qb$-isomorphic to an element of Flynn's family $\Fl_t$. Finally, the Jacobians of these new curves are absolutely simple. [less ▲]