Johannes Drescher

Johannes Drescher
Hof University of Applied Sciences · Institute of Information Systems (iisys)

Master of Science (M. Sc.)

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16
Publications
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104
Citations
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Publications

Publications (16)
Article
Full-text available
Background The aim of this work is to analyze reports of migraine attacks collected online in the citizen science project CLUE with respect to gender- and migraine type-specific differences in drug effectiveness and pain perception. Citizen science project data collection opens the possibility to examine these differences based on a large number of...
Article
Full-text available
Background The aim of this work is to analyze the reports on cluster headache attacks collected online in the citizen science project CLUE with respect to the effectiveness of drugs taken during the attacks. The collection of data within the framework of citizen science projects opens up the possibility of investigating the effectiveness of acute m...
Article
ZUSAMMENFASSUNG Trotz hoher Prävalenz von Kopfschmerzerkrankungen und bedeutender Beeinträchtigung vieler Betroffener ist die Versorgung von Menschen mit häufigen Kopfschmerzen in Deutschland unzureichend. Zur Verbesserung der Versorgung und Erhebung von Daten zur Versorgungs- und Kopfschmerzforschung richtet die Deutsche Migräne- und Kopfschmerzge...
Article
In this paper we introduce the design and technical implementation of the citizen science project Migraine Radar. The goal of the project is to establish a large collection of migraine attack data in order to explore the trigger factors of migraine attacks. A main focus is the investigation of the influence of environmental factors like weather or...
Poster
Full-text available
About 10% of the population suffers from migraine. Nevertheless, despite this large number of affected persons, most of the traditional epidemiological studies, analyzing triggers of migraine, are based only on small groups of patients – usually up to 200 participants. Furthermore, these studies are often limited in relation to regional extensions...
Article
Approximately 10% of the human population suffers from migraine. In particular, weather is one of the most prominent triggers. However, a correlation between weather and migraine attacks is not proven yet. For this reason, our project aims to get a better understanding of migraine attack triggers. In order to achieve this, we collected about 20 000...
Article
Approximately 10% of the human population suffers from migraine. In particular, weather is one of the most prominent triggers. However, a correlation between weather and migraine attacks is not proven yet. For this reason, our project aims to get a better understanding of migraine attack triggers. In order to achieve this, we collected about 20 000...
Article
Zusammenfassung Weltweit leiden ca. 10% der Bevölkerung an Migräne. Vor allem das Wetter wird oft als Auslöser genannt – wissenschaftlich nachgewiesen ist ein Zusammenhang jedoch noch nicht. Ziel des Projektes ist es daher, Auslöser von Migräneattacken besser zu verstehen. Dazu wurden in vier Jahren ca. 20 000 Attacken mit den zugehörigen Ortsdaten...
Conference Paper
In this paper, we present a study of aspect-based opinion mining using a lexicon-based approach. We use a phrase-based opinion lexicon for the German language to investigate, how good strong positive and strong negative expressions of opinions, concerning products and services in the insurance domain, can be detected. We perform experiments on hand...
Article
Many factors trigger migraine attacks. Weather is often reported to be one of the most common migraine triggers. However, there is little scientific evidence about the underlying mechanisms and causes. In our pilot study, we used smartphone apps and a web form to collect around 4,700 migraine messages in Germany between June 2011 and February 2012....
Conference Paper
In this paper we present an approach to generate lists of opinion bearing phrases with their opinion values in a continuous range between -- 1 and 1. Opinion phrases that are considered include single adjectives as well as adjective-based phrases with an arbitrary number of words. The opinion values are derived from user review titles and star rati...

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Projects (2)
Project
Aim of the project is to design and implement a national register containing headache and migraine patients data to support the treatment of such patients. The Law Research Group contributes to the project by designing the data protection process and the data protection impact assessment.