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See detailUsing crowdsourced data to explore the linguistic landscape of cities. Results from the participatory research project Lingscape
Purschke, Christoph UL

in Brunn, Stanley; Kehrein, Roland (Eds.) Handbook of the Changing World Language Map (in press)

Detailed reference viewed: 60 (0 UL)
See detailSklaverei war gestern? Menschenhandel im Europa des 21. Jahrhunderts
Veit, Charlotte UL; Nienaber, Birte UL

in Binsfeld, Andrea; Ghetta, Marcello (Eds.) Sklaverei und Identität (in press)

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See detailAn efficient approach towards the source-target control of Boolean networks
Paul, Soumya UL; Su, Cui UL; Pang, Jun UL et al

in IEEE/ACM Transactions on Computational Biology and Bioinformatics (in press)

We study the problem of computing a minimal subset of nodes of a given asynchronous Boolean network that need to be perturbed in a single-step to drive its dynamics from an initial state to a target ... [more ▼]

We study the problem of computing a minimal subset of nodes of a given asynchronous Boolean network that need to be perturbed in a single-step to drive its dynamics from an initial state to a target steady state (or attractor), which we call the source-target control of Boolean networks. Due to the phenomenon of state-space explosion, a simple global approach that performs computations on the entire network, may not scale well for large networks. We believe that efficient algorithms for such networks must exploit the structure of the networks together with their dynamics. Taking this view, we derive a decomposition-based solution to the minimal source-target control problem which can be significantly faster than the existing approaches on large networks. We then show that the solution can be further optimised if we take into account appropriate information about the source state. We apply our solutions to both real-life biological networks and randomly generated networks, demonstrating the efficiency and efficacy of our approach. [less ▲]

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See detailCase Study: Analysis and Mitigation of a Novel Sandbox-Evasion Technique
Genç, Ziya Alper UL; Lenzini, Gabriele UL; Sgandurra, Daniele

in 3rd Central European Cybersecurity Conference (in press)

Malware is one of the most popular cyber-attack methods in the digital world. According to the independent test company AV-TEST, 350,000 new malware samples are created every day. To analyze all samples ... [more ▼]

Malware is one of the most popular cyber-attack methods in the digital world. According to the independent test company AV-TEST, 350,000 new malware samples are created every day. To analyze all samples by hand to discover whether they are malware does not scale, so antivirus companies automate the process e.g., using sand- boxes where samples can be run, observed, and classified. Malware authors are aware of this fact, and try to evade detection. In this paper we describe one of such evasion technique: unprecedented, we discovered it while analyzing a ransomware sample. Analyzed in a Cuckoo Sandbox, the sample was able to avoid triggering malware indicators, thus scoring significantly below the minimum severity level. Here, we discuss what strategy the sample follows to evade the analysis, proposing practical defense methods to nullify, in our turn, the sample’s furtive strategy. [less ▲]

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See detailFescher als dein Schatten. Zur Präsenz des Deutschen in Österreich in der Alltagspraxis
Purschke, Christoph UL

in Hundt, Markus; Kleene, Andrea; Plewnia, Albrecht (Eds.) et al Regiolekte – Objektive Sprachdaten und subjektive Wahrnehmung (in press)

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See detailLörres, Möppes, and the Swiss. (Re)Discovering Regional Patterns in Anonymous Social Media Data
Purschke, Christoph UL; Hovy, Dirk

in Journal of Linguistic Geography (in press)

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See detailOvercome of bed-joint imperfections and improvement of actual contact in dry-stacked masonry
Chewe Ngapeya, Gelen Gael UL; Waldmann, Danièle UL

in Construction and Building Materials (in press)

Several researchers studied dry-stacked masonry walls (DSM) and inferred that the actual contact surface between the different block rows and the compressive strength in such walls are reduced by bed ... [more ▼]

Several researchers studied dry-stacked masonry walls (DSM) and inferred that the actual contact surface between the different block rows and the compressive strength in such walls are reduced by bed-joint imperfections as well as by height differences between different masonry blocks leading both to high stress concentration. This paper concentrates on the first type on imperfections. Through experimental tests, it analyses the influence of bed-joint roughness on the load bearing capacity and investigates a strategy to improve the load-bearing capacity of DSM by placing an additional horizontal layer on the top face of raw masonry blocks. First, different contact layers using conventional and auxetic materials were applied. Then 20 dry-stacked masonry prisms built with raw and improved masonry blocks were tested under axial compressive load until failure. Prescale Fujifilm strips were used to measure the actual contact in the bed-joints. Experimental tests show that the use of a contact layer with well-defined material properties enables firstly to increase the actual contact area in the bed-joints from 23% to 98% of the nominal contact area and secondly to increase the load-bearing capacity by 14 to 97%. In addition, the contact layer with an auxetic material shows a significant capacity in altering the lateral expansion in the block units. The outcomes show that although the bed joint roughness influences the stress distribution in a dry-stacked masonry block, a contact layer with well-defined material properties enables to overcome the roughness induced by the bed-joint imperfections. [less ▲]

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See detailPlea bargaining at the International Criminal Court: Introducing transformative justice aspects prevalent in African cultures
Oyugi, Phoebe; Owiso, Owiso UL

in Leyh, Brianne McGonigle; Fraser, Julie (Eds.) Intersections of law and culture at the International Criminal Court (in press)

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See detailCoercion-Resistant Voting in Linear Time via Fully Homomorphic Encryption: Towards a Quantum-Safe Scheme
Roenne, Peter UL; Atashpendar, Arash UL; Kristian, Gjøsteen et al

in Financial Cryptography and Data Security 2019. FC 2019: International Workshops, CIW, VOTING, and WTSC (in press)

We present an approach for performing the tallying work in the coercion-resistant JCJ voting protocol, introduced by Juels, Catalano, and Jakobsson, in linear time using fully homomorphic encryption (FHE ... [more ▼]

We present an approach for performing the tallying work in the coercion-resistant JCJ voting protocol, introduced by Juels, Catalano, and Jakobsson, in linear time using fully homomorphic encryption (FHE). The suggested enhancement also paves the path towards making JCJ quantum-resistant, while leaving the underlying structure of JCJ intact. The pairwise comparison-based approach of JCJ using plaintext equivalence tests leads to a quadratic blow-up in the number of votes, which makes the tallying process rather impractical in realistic settings with a large number of voters. We show how the removal of invalid votes can be done in linear time via a solution based on recent advances in various FHE primitives such as hashing, zero-knowledge proofs of correct decryption, verifiable shuffles and threshold FHE. We conclude by touching upon some of the advantages and challenges of such an approach, followed by a discussion of further security and post-quantum considerations. [less ▲]

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See detailThe Effect of Rating Scale on Response Style: Experimental Evidence for Job Satisfaction
Joxhe, Majlinda UL; Corrado, Luisa

in Journal of Well-Being Assessment (in press)

This paper explores the relationship between rating scales and response style using experimental data from a sample of 1500 households of the Innovation Panel (2008) which is part of the Understanding ... [more ▼]

This paper explores the relationship between rating scales and response style using experimental data from a sample of 1500 households of the Innovation Panel (2008) which is part of the Understanding Society database. Two random groups of individuals are being asked about their level of job satisfaction using a self-assessment questionnaire through two (7 and 11 points) rating options. By comparing the two groups, we explore the effects of the different rating scales on Extreme Response Style (ERS). The experimental design of the data enables us to show that both high and low Extreme Response Style (ERS) are correlated with personal and demographic characteristics. In addition, when comparing the shorter to a longer scale, we show that the survey design may generates tendency to choose responses at the extreme values of the distribution. [less ▲]

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See detailEmpirical Evaluation of Mutation-based Test Prioritization Techniques
Shin, Donghwan; Yoo, Shin; Papadakis, Mike UL et al

in Software Testing, Verification and Reliability (in press)

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See detailInternationale Disability Studies
Biermann, Julia; Powell, Justin J W UL

in Waldschmidt, Anne (Ed.) Handbuch Disability Studies (in press)

Der Beitrag zeichnet internationale Entwicklungen in den Disability Studies nach. Aufgrund der Bedeutung für die Entstehung und weltweite Verbreitung des multidisziplinären Forschungsfelds liegt der Fokus ... [more ▼]

Der Beitrag zeichnet internationale Entwicklungen in den Disability Studies nach. Aufgrund der Bedeutung für die Entstehung und weltweite Verbreitung des multidisziplinären Forschungsfelds liegt der Fokus auf den englischsprachigen Diskursen. Skizziert werden drei historische Phasen: die Etablierung der Disability Studies in den 1970er und 1980er Jahren, die Ausdifferenzierung in den 1990er und 2000er Jahren sowie die Pluralisierung seit den 2010er Jahren. [less ▲]

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See detailA Note on Stein’s Overreaction Puzzle
Lin, Yuehao; Lehnert, Thorsten UL

in Decisions in Economics and Finance (in press)

Recently, Christoffersen et al. (2013) argue that the overreaction puzzle of Stein (1989) can be explained by a variance-dependent pricing kernel. In this note, we challenge this view. Our theoretical ... [more ▼]

Recently, Christoffersen et al. (2013) argue that the overreaction puzzle of Stein (1989) can be explained by a variance-dependent pricing kernel. In this note, we challenge this view. Our theoretical results are in line with their argument that the variance under risk-neutral measure is more persistent than the variance under physical measure due to a negative variance risk premium. But our results do not support their argument that the more persistent variance is able to qualitatively explain Stein’s findings. We show theoretically that the persistence of the volatility cannot amplify the movements of long-term variance to short-term fluctuations in variance, and, therefore, conclude that Stein’s overreaction puzzle is still unsolved. [less ▲]

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See detailSeeing is believing: Gender diversity in STEM is related to mathematics self-concept
Niepel, Christoph UL; Stadler, Matthias UL; Greiff, Samuel UL

in Journal of Educational Psychology (in press)

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See detailThe ICO Goldrush - A challenge for Regulators
Zetzsche, Dirk Andreas UL; Buckley, R; Arner, D. et al

in Harvard International Law Journal (in press)

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See detailMit Lingscape auf Pad in die Schule. Zum Einsatz mobiler Forschungs-Apps im Schulunterricht
Purschke, Christoph UL

in Marten, Heiko; Ziegler, Evelyn (Eds.) Linguistic Landscapes im deutschsprachigen Kontext: Forschungsperspektiven, Methoden und Anwendungsmöglichkeiten im Unterricht und Sprachmarketing (in press)

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See detailThe Identity Challenge in Finance: From Analogue Identity to Digitized Identification to Digital KYC Utilities
Zetzsche, Dirk Andreas UL; Arner, Douglas W.; Buckley, Ross P. et al

in European Business Organization Law Review (in press)

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See detailAn Agile Approach to Validate a Formal Representation of the GDPR
Bartolini, Cesare UL; Lenzini, Gabriele UL; Santos, Cristiana

in New Frontiers in Artificial Intelligence (in press)

Modelling in a knowledge base of logic formulæ the articles of the GDPR enables a semi-automatic reasoning of the Regulation. To be legally substantiated, it requires that the formulæ express validly the ... [more ▼]

Modelling in a knowledge base of logic formulæ the articles of the GDPR enables a semi-automatic reasoning of the Regulation. To be legally substantiated, it requires that the formulæ express validly the legal meaning of the Regulation's articles. But legal experts are usually not familiar with logic, and this calls for an interdisciplinary validation methodology that bridges the communication gap between formal modelers and legal evaluators. We devise such a validation methodology and exemplify it over a knowledge base of articles of the GDPR translated into Reified I/O (RIO) logic and encoded in LegalRuleML. A pivotal element of the methodology is a human-readable intermediate representation of the logic formulæ that preserves the formulæ's meaning, while rendering it in a readable way to non-experts. After being applied over a use case, we prove that it is possible to retrieve feedback from legal experts about the formal representation of Art. 5.1a and Art. 7.1. What emerges is an agile process to build logic knowledge bases of legal texts, and to support their public trust, which we intend to use for a logic model of the GDPR, called DAPRECO knowledge base. [less ▲]

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See detailDie Emanzipation des hybriden Selbst: Identität, Kultur und Literatur in Luxemburg
Baumann, Isabell UL

Book published by transcipt (in press)

Detailed reference viewed: 32 (0 UL)
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See detailCan the Plight of the European Banking Structural Reforms be a Blessing in Disguise?
Nabilou, Hossein UL

in European Business Organization Law Review (in press)

One of the problems perceived to be at the heart of the global financial crisis was an amalgamation of various commercial and investment banking activities under one entity, as well as the ... [more ▼]

One of the problems perceived to be at the heart of the global financial crisis was an amalgamation of various commercial and investment banking activities under one entity, as well as the interconnectedness of the banking entities with other financial institutions, investment funds, and the shadow banking system. This paper focuses on various measures that aim to structurally separate the banking entities and their core functions from riskier financial activities such as (proprietary) trading or investments in alternative investment funds. Although banking structural reforms in the EU, UK, and the US have taken different forms, their common denominator is the separation of core banking functions from certain trading or securities market activities. Having reviewed the arguments for and against banking structural reforms and their varieties in major jurisdictions, including the EU, UK, US, France, and Germany, the paper argues that a more nuanced approach to introducing such measures at the EU level is warranted. Given the different market structures across the Atlantic and the lack of conclusive evidence on the beneficial impact of banking structural reforms, the paper concludes that the withdrawal of the banking structural reforms proposal by the European Commission has been a prudent move. It seems that in the absence of concrete evidence, experimenting with structural reforms at the Member-State level would be less costly and would provide for opportunities for learning from smaller mistakes that could pave the way for a more optimal approach to introducing banking structural reforms at the European level in the future. [less ▲]

Detailed reference viewed: 65 (6 UL)