Publications

Matthias Wimmer, Kristian Welle, Alexander Markowetz, Martin Gathen, Sebastian Scheidt, Christof Burger, Koroush Kabir (2020). Videobasiertes Screening von Notfällen in der Orthopädie und Unfallchirurgie - eine Pilotstudie. Zeitschrift für Orthopädie und Unfallchirurgie.

Johanna Conrad, Mats Wiese, Ionut Andone, Stefanie Koch, Alexander Markowetz, Ute Alexy, Ute Nöthlings (2019). Development and Feasibility Testing of the Smartphone-Based Dietary Record App NutriDiary (beta version). Proceedings of the Nutrition Society.

Bernd Lachmann, Rayna Sariyska, Christopher Kannen, Konrad Błaszkiewicz, Boris Trendafilov, Ionut Andone, Mark Eibes, Alexander Markowetz, Mei Li, Keith Kendrick, Christian Montag (2017). Contributing to Overall Life Satisfaction: Personality Traits Versus Life Satisfaction Variables Revisited - Is Replication Impossible?. Behavioral Sciences.

Hans-Jürgen Rumpf, Anil Batra, Paula Bleckmann, Matthias Brand, Andreas Gohlke, Holger Feindel, Maria Perdekamp, Tagrid Leménager, Michael Kaess, Alexander Markowetz, Thomas Mößle, Christian Montag, Astrid Müller, Kai Müller, Anne Pauly, Kay Petersen, Florian Rehbein, Katja Schnell, Bert Wildt, Friedrich Wurst (2017). Empfehlungen der Expertengruppe zur Prävention von Internetbezogenen Störungen. SUCHT.

Christian Montag, Alexander Markowetz, Konrad Błaszkiewicz, Ionut Andone, Bernd Lachmann, Rayna Sariyska, Boris Trendafilov, Mark Eibes, Julia Kolb, Martin Reuter, Bernd Weber, Sebastian Markett (2017). Facebook usage on smartphones and gray matter volume of the nucleus accumbens. Behavioural Brain Research.

Christian Montag, Martin Reuter, Alexander Markowetz (2017). The Impact of Psychoinformatics on Internet Addiction Including New Evidence. Internet addiction: Neuroscientific approaches and therapeutical implications including smartphone addiction.

Ionut Andone, Konrad Błaszkiewicz, Matthias Böhmer, Alexander Markowetz (2017). Impact of Location-based Games on Phone Usage and Movement: A Case Study on Pokémon GO. Proceedings of the 19th International Conference on Human-Computer Interaction with Mobile Devices and Services.

Pascal Welke, Alexander Markowetz, Torsten Suel, Maria Christoforaki (2016). Three-Hop Distance Estimation in Social Graphs. 2016 IEEE International Conference on Big Data (Big Data).

Christian Montag, Konrad Błaszkiewicz, Rayna Sariyska, Bernd Lachmann, Ionut Andone, Boris Trendafilov, Mark Eibes, Alexander Markowetz (2016). Who’s Active on Whatsapp? Evidence from Psychoinformatics. Personality and Individual Differences.

Bernd Lachmann, Rayna Sariyska, Alexander Markowetz, C. Kannen, Konrad Błaszkiewicz, Boris Trendafilov, Ionut Andone, Mark Eibes, Christian Montag (2016). Molecular Genetics of Life Satisfaction and Links to Personality. Personality and Individual Differences.

Christian Montag, Eilish Duke, Alexander Markowetz (2016). Toward Psychoinformatics: Computer Science Meets Psychology. Computational and Mathematical Methods in Medicine.

Ionut Andone, Konrad Błaszkiewicz, Boris Trendafilov, Mark Eibes, Christian Montag, Alexander Markowetz (2016). Menthal - Running a Science Project as a Start-Up. Proceedings of the Computing and Mental Health Symposium at CHI 2019.

Alexander Markowetz (2016). Leven zonder smartphonestress: waarom ons permanente smartphonegebruik gevaarlijk is en wat we daaraan kunnen doen. Xander Uitgevers.

Ionut Andone, Konrad Błaszkiewicz, Mark Eibes, Boris Trendafilov, Christian Montag, Alexander Markowetz (2016). Menthal: Quantifying Smartphone Usage. Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct.

Ionut Andone, Konrad Błaszkiewicz, Mark Eibes, Boris Trendafilov, Christian Montag, Alexander Markowetz (2016). Menthal: A Framework for Mobile Data Collection and Analysis. Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct.

Ionut Andone, Konrad Błaszkiewicz, Mark Eibes, Boris Trendafilov, Christian Montag, Alexander Markowetz (2016). How Age and Gender Affect Smartphone Usage. Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct.

Pascal Welke, Ionut Andone, Konrad Błaszkiewicz, Alexander Markowetz (2016). Differentiating Smartphone Users by App Usage. Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing.

Christian Montag, Konrad Błaszkiewicz, Bernd Lachmann, Rayna Sariyska, Ionut Andone, Boris Trendafilov, Alexander Markowetz (2015). Recorded Behavior as a Valuable Resource for Diagnostics in Mobile Phone Addiction: Evidence from Psychoinformatics. Behavioral Sciences.

Alexander Markowetz (2015). Digitaler Burnout: Warum unsere permanente Smartphone-Nutzung gefährlich ist. Droemer.

Christian Montag, Konrad Błaszkiewicz, Rayna Sariyska, Bernd Lachmann, Ionut Andone, Boris Trendafilov, Mark Eibes, Alexander Markowetz (2015). Smartphone Usage in the 21st Century: Who is Active on WhatsApp?. BMC research notes.

Christian Montag, Christopher Kannen, Bernd Lachmann, Rayna Sariyska, Eilish Duke, Martin Reuter, Alexander Markowetz (2015). The Importance of Analogue Zeitgebers to Reduce Digital Addictive Tendencies in the 21st Century. Addictive Behaviors Reports.

Christian Montag, Martin Reuter, Alexander Markowetz (2015). The Impact of Psychoinformatics on Internet Addiction. Internet Addiction: Neuroscientific Approaches and Therapeutical Interventions.

Christian Montag, Konrad Błaszkiewicz, Bernd Lachmann, Ionut Andone, Rayna Sariyska, Boris Trendafilov, Martin Reuter, Alexander Markowetz (2014). Correlating Personality and Actual Phone Usage. Journal of Individual Differences.

Alexander Markowetz, Konrad Błaszkiewicz, Christian Montag, Christina Switala, Thomas Schläpfer (2014). Psycho-Informatics: Big Data Shaping Modern Psychometrics. Medical Hypotheses.

Maria Christoforaki, Jinru He, Constantinos Dimopoulos, Alexander Markowetz, Torsten Suel (2011). Text vs. Space: Efficient Geo-Search Query Processing. Proceedings of the 20th ACM International Conference on Information and Knowledge Management.

Alexander Markowetz, Yin Yang, Dimitris Papadias (2009). Reachability Indexes for Relational Keyword Search. 2009 IEEE 25th International Conference on Data Engineering.

Alexander Markowetz, Yin Yang, Dimitris Papadias (2009). Keyword Search over Relational Tables and Streams. ACM Transactions on Database Systems.

Donghui Zhang, Alexander Markowetz, Vassilis Tsotras, Dimitrios Gunopulos, Bernhard Seeger (2008). On Computing Temporal Aggregates with Range Predicates. ACM Transactions on Database Systems.

Qingqing Gan, Josh Attenberg, Alexander Markowetz, Torsten Suel (2008). Analysis of Geographic Queries in a Search Engine Log. Proceedings of the First International Workshop on Location and the Web.

Alexander Markowetz, Yin Yang, Dimitris Papadias (2007). Keyword Search on Relational Data Streams. Proceedings of the 2007 ACM SIGMOD International Conference on Management of Data.

Yen-Yu Chen, Torsten Suel, Alexander Markowetz (2006). Efficient Query Processing in Geographic Web Search Engines. Proceedings of the 2006 ACM SIGMOD International Conference on Management of Data.

Alexander Markowetz, Yen-Yu Chen, Torsten Suel, Xiaohui Long, Bernhard Seeger (2005). Design and Implementation of a Geographic Search Engine.. WebDB: Proceedings of the 8th International Workshop on the Web and Databases.

Michael Cammert, Christoph Heinz, Jürgen Krämer, Alexander Markowetz, Bernhard Seeger (2003). PIPES: A Multi-Threaded Publish-Subscribe Architecture for Continuous Queries over Streaming Data Sources. Technischer Bericht.

Alexander Markowetz, Thomas Brinkhoff, Bernhard Seeger (2003). Exploiting the Internet as a Geospatial Database. Proceedings of the International Workshop on Next Generation Geospatial Information.

Donhui Zhang, Alexander Markowetz, Vassilis Tsotras, Dimitrios Gunopulos, Bernhard Seeger (2001). Efficient Computation of Temporal Aggregates with Range Predicates. Proceedings of the Twentieth ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems.