Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021(So) Big Data and the transformation of the city
Andrienko, G.; Andrienko, N.; Boldrini, C.; Caldarelli, G.; Cintia, P.; Cresci, S.; Facchini, A.; Giannotti, F.; Gionis, A.; Guidotti, R.; Mathioudakis, M.; Muntean, C.I.; Pappalardo, L.; Pedreschi, D.; Pournaras, E.; Pratesi, F.; Tesconi, M.; Trasarti, R.
Journal Article
2021AI as Co-workers: An Explorative Research on Technology Acceptance Based on the Revised Bloom Taxonomy
Greiner, C.; Jovy-Klein, F.; Peisl, T.
Conference Paper
2021Archetypal Analysis Based Anomaly Detection for Improved Storytelling in Multiplayer Online Battle Arena Games
Sifa, R.; Drachen, A.; Block, F.; Moon, S.; Dubhashi, A.; Xiao, H.; Li, Z.; Klabjan, D.; Demediuk, S.
Conference Paper
2021Assessing Earthquake Impacts and Monitoring Resilience of Historic Areas: Methods for GIS Tools
Giovinazzi, S.; Marchili, C.; Pietro, A. Di; Giordano, L.; Costanzo, A.; Porta, L.L.; Pollino, M.; Rosato, V.; Lückerath, D.; Milde, K.; Ullrich, O.
Journal Article
2021Assistive HCI-Serious Games Co-design Insights: The Case Study of i-PROGNOSIS Personalized Game Suite for Parkinson’s Disease
Dias, S.B.; Diniz, J.A.; Konstantinidis, E.; Savvidis, T.; Zilidou, V.; Bamidis, P.D.; Grammatikopoulou, A.; Dimitropoulos, K.; Grammalidis, N.; Jaeger, H.; Stadtschnitzer, M.; Silva, H.; Telo, G.; Ioakeimidis, I.; Ntakakis, G.; Karayiannis, F.; Huchet, E.; Hoermann, V.; Filis, K.; Theodoropoulou, E.; Lyberopoulos, G.; Kyritsis, K.; Papadopoulos, A.; Depoulos, A.; Trivedi, D.; Chaudhuri, R.K.; Klingelhoefer, L.; Reichmann, H.; Bostantzopoulou, S.; Katsarou, Z.; Iakovakis, D.; Hadjidimitriou, S.; Charisis, V.; Apostolidis, G.; Hadjileontiadis, L.J.
Journal Article
2021Auto Encoding Explanatory Examples with Stochastic Paths
Ojeda, César; Sánchez, Ramsés J.; Cvejoski, Kostadin; Schücker, Jannis; Bauckhage, Christian; Georgiev, Bogdan
Conference Paper
2021Automating and utilising equal-distribution data classification
Andrienko, G.; Andrienko, N.; Kureshi, I.; Lee, K.; Smith, I.; Staykova, T.
Journal Article
2021BenchEmbedd: A FAIR benchmarking tool for knowledge graph embeddings
Sadeghi, A.; Shahini, X.; Schmitz, M.; Lehmann, J.
Conference Paper
2021CLEP: A hybrid data- and knowledge-driven framework for generating patient representations
Bharadhwaj, Vinay Srinivas; Ali, Mehdi; Birkenbihl, Colin; Mubeen, Sarah; Lehmann, Jens; Hofmann-Apitius, Martin; Hoyt, Charles Tapley; Domingo-Fernández, Daniel
Journal Article
2021Co-Bridges: Pair-wise Visual Connection and Comparison for Multi-item Data Streams
Chen, S.; Andrienko, N.; Andrienko, G.; Li, J.; Yuan, X.
Journal Article
2021Constructing Spaces and Times for Tactical Analysis in Football
Andrienko, Gennady; Andrienko, Natalia; Anzer, Gabriel; Bauer, P.; Budziak, G.; Fuchs, G.; Hecker, D.; Weber, H.; Wrobel, S.
Journal Article
2021Conversational question answering over knowledge graphs with transformer and graph attention networks
Kacupaj, E.; Plepi, J.; Singh, K.; Thakkar, H.; Lehmann, J.; Maleshkova, M.
Conference Paper
2021Correction to: Human migration: The big data perspective
Sîrbu, A.; Andrienko, G.; Andrienko, N.; Boldrini, C.; Conti, M.; Giannotti, F.; Guidotti, R.; Bertoli, S.; Kim, J.; Muntean, C.I.; Pappalardo, L.; Passarella, A.; Pedreschi, D.; Pollacci, L.; Pratesi, F.; Sharma, R.
Journal Article
2021Decision Snippet Features
Welke, Pascal; Alkhoury, Fouad; Bauckhage, Christian; Wrobel, Stefan
Conference Paper
2021Design and Evaluation of a Generic Orchestrator that executes an AI pipeline
Morbagal Harish, Tejas
: Lehmann, Jens; Stadtschnitzer, Michael
Master Thesis
2021Design and evaluation of a subsystem (mircoservice) to create a deployment client for AI pipelines based on docker containers using gRPC
Naeem, Sajid
: Lehmann, Jens; Behnke, Sven
Master Thesis
2021Extracting and Utilizing templates for Question Answering over Knowledge Graph
Kumar, Uttam
Master Thesis
2021Generative Machine Learning for Resource-Aware 5G and IoT Systems
Piatkowski, Nico; Mueller-Roemer, Johannes; Hasse, Peter; Bachorek, Adam; Werner, Tim; Birnstill, Pascal; Morgenstern, Andreas; Stobbe, Lutz
Conference Paper
2021Give more data, awareness and control to individual citizens, and they will help COVID-19 containment
Nanni, M.; Andrienko, G.; Barabási, A.-L.; Boldrini, C.; Bonchi, F.; Cattuto, C.; Chiaromonte, F.; Comandé, G.; Conti, M.; Coté, M.; Dignum, F.; Dignum, V.; Domingo-Ferrer, J.; Ferragina, P.; Giannotti, F.; Guidotti, R.; Helbing, D.; Kaski, K.; Kertesz, J.; Lehmann, S.; Lepri, B.; Lukowicz, P.; Matwin, S.; Jiménez, D.M.; Monreale, A.; Morik, K.; Oliver, N.; Passarella, A.; Passerini, A.; Pedreschi, D.; Pentland, A.; Pianesi, F.; Pratesi, F.; Rinzivillo, S.; Ruggieri, S.; Siebes, A.; Torra, V.; Trasarti, R.; Hoven, J.; Vespignani, A.
Journal Article
2021Grundlagen des Maschinellen Lernens
Bauckhage, Christian; Hübner, Wolfgang; Hug, Ronny; Paaß, Gerhard; Rüping, Stefan
Book Article
2021Human migration: The big data perspective
Sîrbu, A.; Andrienko, G.; Andrienko, N.; Boldrini, C.; Conti, M.; Giannotti, F.; Guidotti, R.; Bertoli, S.; Kim, J.; Muntean, C.I.; Pappalardo, L.; Passarella, A.; Pedreschi, D.; Pollacci, L.; Pratesi, F.; Sharma, R.
Journal Article
2021Improving Grapheme-to-Phoneme Conversion for Anglicisms in German Speech Recognition
Pritzen, Julia Maria
: Zühlke, Dietlind; Gref, Michael
Master Thesis
2021Inspect, Understand, Overcome: A Survey of Practical Methods for AI Safety
Houben, Sebastian; Abrecht, Stephanie; Akila, Maram; Bär, Andreas; Brockherde, Felix; Feifel, Patrick; Fingscheidt, Tim; Gannamaneni, Sujan Sai; Ghobadi, Seyed Eghbal; Hammam, Ahmed; Haselhoff, Anselm; Hauser, Felix; Heinzemann, Christian; Hoffmann, Marco; Kapoor, Nikhil; Kappel, Falk; Klingner, Marvin; Kronenberger, Jan; Küppers, Fabian; Löhdefink, Jonas; Mlynarski, Michael; Mock, Michael; Mualla, Firas; Pavlitskaya, Svetlana; Poretschkin, Maximilian; Pohl, Alexander; Ravi-Kumar, Varun; Rosenzweig, Julia; Rottmann, Matthias; Rüping, Stefan; Sämann, Timo; Schneider, Jan David; Schulz, Elena; Schwalbe, Gesina; Sicking, Joachim; Srivastava, Toshika; Varghese, Serin; Weber, Michael; Wirkert, Sebastian; Wirtz, Tim; Woehrle, Matthias
Preprint
2021Introduction to Machine Learning with Robots and Playful Learning
Olari, Victoriya; Cvejoski, Kostadin; Eide, Øyvind
Conference Paper
2021Introduction to neural network-based question answering over knowledge graphs
Chakraborty, Nilesh; Lukovnikov, Denis; Maheshwari, Gaurav; Trivedi, Priyansh; Lehmann, Jens; Fischer, Aslj
Journal Article
2021Lessons Learned on Conducting Dwelling Detection on VHR Satellite Imagery for the Management of Humanitarian Operations
Wickert, Lorenz; Bogen, Manfred; Richter, Marvin
Journal Article
2021Link Prediction of Weighted Triples for Knowledge Graph Completion Within the Scholarly Domain
Nayyeri, M.; Cil, G.M.; Vahdati, S.; Osborne, F.; Kravchenko, A.; Angioni, S.; Salatino, A.; Recupero, D.R.; Motta, E.; Lehmann, J.
Journal Article
2021Maximum Margin Separations in Finite Closure Systems
Seiffahrt, Florian; Horvárth, Tamás; Wrobel, Stefan
Conference Paper
2021Metadata analysis of open educational resources
Tavakoli, M.; Elias, M.; Kismihok, G.; Auer, S.
Conference Paper
2021Microplastics in lakeshore and lakebed sediments - External influences and temporal and spatial variabilities of concentrations
Hengstmann, E.; Weil, E.; Wallbott, P.C.; Tamminga, M.; Fischer, E.K.
Journal Article
2021Monte Carlo Tree Search for high precision manufacturing
Weichert, Dorina; Horchler, Felix; Kister, Alexander; Trost, Marcus; Hartung, Johannes; Risse, Stefan
Preprint
2021Die Nachvollziehbarkeit von KI-Anwendungen in der Medizin
Hänold, Stefanie; Schlee, Nelli; Antweiler, Dario; Beckh, Katharina
Journal Article
2021New active learning algorithms for near-infrared spectroscopy in agricultural applications
Krause, Julius; Günder, Maurice; Schulz, Daniel; Gruna, Robin
Journal Article
2021A Novel Regression Loss for Non-Parametric Uncertainty Optimization
Sicking, Joachim; Akila, Maram; Pintz, Maximilian; Wirtz, Tim; Fischer, Asja; Wrobel, Stefan
Conference Paper
2021Patch Shortcuts: Interpretable Proxy Models Efficiently Find Black-Box Vulnerabilities
Rosenzweig, Julia; Sicking, Joachim; Houben, Sebastian; Mock, Michael; Akila, Maram
Conference Paper
2021Pattern-Aware and Noise-Resilient Embedding Models
Nayyeri, M.; Vahdati, S.; Sallinger, E.; Alam, M.M.; Yazdi, H.S.; Lehmann, J.
Conference Paper
2021PillarFPN: A Feature Pyramid Extension to Pointpillars for 3D Object Detection
Munshi, Harsh
: Plöger, Sven
Master Thesis
2021PyKEEN 1.0: A python library for training and evaluating knowledge graph embeddings
Ali, M.; Berrendorf, M.; Hoyt, C.T.; Vermue, L.; Sharifzadeh, S.; Tresp, V.; Lehmann, J.
Journal Article
2021Semantic Based Approach for Entity Matching on Noisy Semistructured Data
Nikhil, Acharya
Master Thesis
2021Street-Map Based Validation of Semantic Segmentation in Autonomous Driving
Rüden, Laura von; Wirtz, Tim; Hueger, Fabian; Schneider, Jan David; Piatkowski, Nico; Bauckhage, Christian
Conference Paper
2021Supporting verification of news articles with automated search for semantically similar articles
Gupta, V.; Beckh, K.; Giesselbach, S.; Wegener, D.; Wirtz, T.
Conference Paper
2021Switching Dynamical Systems with Deep Neural Networks
Ojeda, César; Georgiev, Bogdan; Cvejoski, Kostadin; Schücker, Jannis; Bauckhage, Christian; Sánchez, Ramsés J.
Conference Paper
2021Tackling Contradiction Detection in German Using Machine Translation and End-to-End Recurrent Neural Networks
Pielka, Maren; Sifa, Rafet; Hillebrand, Lars Patrick; Biesner, David; Ramamurthy, Rajkumar; Ladi, Anna; Bauckhage, Christian
Conference Paper
2021tanh Neurons are Bayesian Decision Makers
Bauckhage, Christian; Sifa, Rafet; Hecker, Dirk
Conference Paper
2021Template-based Question Answering using Recursive Neural Networks
Athreya, R.G.; Bansal, S.K.; Ngonga Ngomo, A.-C.; Usbeck, R.
Conference Paper
2021A theoretical model for pattern discovery in visual analytics
Andrienko, N.; Andrienko, G.; Miksch, S.; Schumann, H.; Wrobel, S.
Journal Article
2021Tiefe neuronale Netze
Bauckhage, Christian; Hübner, Wolfgang; Hug, Ronny; Paaß, G.
Book Article
2021Towards holistic Entity Linking: Survey and directions
Oliveira, I.L.; Fileto, R.; Speck, R.; Garcia, L.P.F.; Moussallem, D.; Lehmann, J.
Journal Article
2021Vertrauenswürdiges, transparentes und robustes Maschinelles Lernen
Bauckhage, Christian; Fürnkranz, Johannes; Paaß, Gerhard
Book Article
2021Visual Analytics for Characterizing Mobility Aspects of Urban Context
Andrienko, G.; Andrienko, N.; Patterson, F.; Chen, S.; Weibel, R.; Huang, H.; Doulkeridis, C.; Georgiou, H.; Pelekis, N.; Theodoridis, Y.; Nanni, M.; Longhi, L.; Koumparos, A.; Yasar, A.; Kureshi, I.
Book Article
20203D Learning and Reasoning in Link Prediction Over Knowledge Graphs
Nayyeri, M.; Alam, M.M.; Lehmann, J.; Vahdati, S.
Journal Article
2020Accessibility and personalization in opencourseware: An inclusive development approach
Elia, M.; Ruckhaus, E.; Draffan, E.A.; James, A.; Suarez-Figueroa, M.C.; Lohmann, S.; Khiat, A.; Auer, S.
Conference Paper
2020Adapting established text representations for predicting review sentiment in Turkish
Çavuşoğlu, I.; Pielka, M.; Sifa, R.
Conference Paper
2020Adiabatic Quantum Computing for Max-Sum Diversification
Bauckhage, Christian; Sifa, Rafet; Wrobel, Stefan
Conference Paper
2020Advanced Sensing and Human Activity Recognition in Early Intervention and Rehabilitation of Elderly People
Schrader, Lisa; Vargas Toro, Agustín; Konietzny, Sebastian; Rüping, Stefan; Schäpers, Barbara; Steinböck, Martina; Krewer, Carmen; Müller, Friedemann; Güttler, Jörg; Bock, Thomas
Journal Article
2020Aligning Subjective Ratings in Clinical Decision Making
Pick, Annika; Ginzel, Sebastian; Rüping, Stefan; Sander, Jil; Foldenauer, Ann Christina; Köhm, Michaela
Preprint
2020Applying Simulation to Advance Resilience of Historic Areas to Climate Change and Natural Hazards
Milde, Katharina; Giovinazzi, Sonia; Lückerath, Daniel; Ullrich, Oliver; Pollino, Maurizio; Rome, Erich; Rosato, Vittorio
Conference Paper
2020An Approach for Ex-Post-Facto Analysis of Knowledge Graph-Driven Chatbots - The DBpedia Chatbot
Jalota, R.; Trivedi, P.; Maheshwari, G.; Ngonga Ngomo, A.-C.; Usbeck, R.
Conference Paper
2020Die ARD Mining-Plattform
Maroni, Dirk; Köhler, Joachim; Fisseler, J.; Becker, Sven
Journal Article
2020Assisting maritime search and rescue (SAR) personnel with AI-based speech recognition and smart direction finding
Gözalan, Aylin; John, Ole; Lübcke, Thomas; Maier, Andreas; Reimann, Maximilian; Richter, Jan-Gerrit; Zverev, Ivan
Journal Article
2020Atlas hodnotenia zranitel'nosti a rizík nepriaznivých dôsledkov zmeny klímy na území hlavného mesta SR Bratislavy
Bogen, M.; Konrad, I.; Kozová, M.; Lückerath, D.; Pauditová, E.; Pecho, J.; Rehačková, T.; Streberová, E.; Šteflovičová, Miroslava; Šteflovičová, Monika
Book
2020Bayesian Optimization for Min Max Optimization
Weichert, Dorina; Kister, A.
Presentation
2020Big Data Analytics for Time-Critical Mobility Forecasting
: Vouros, G.A. (Editor); Andrienko, G. (Editor); Doulkeridis, C. (Editor); Pelekis, N. (Editor); Artikis, A. (Editor); Jousselme, A. (Editor); Ray, C. (Editor); Cordero, J M. (Editor); Scarlatti, D. (Editor)
Scientific Anthology
2020Big Data Visualization and Analytics: Future Research Challenges and Emerging Applications
Andrienko, Gennady; Andrienko, Natalia; Drucker, Steven; Fekete, Jean-Daniel; Fisher, Danyel; Idreos, Stavros; Kraska, Tim; Li, Guoliang; Ma, Kwan-Liu; Mackinlay, Jock D.; Oulasvirta, Antti; Schreck, Tobias; Schmann, Heidrun; Stonebraker, Michael; Auber, David; Bikakis, Nikos; Chrysanthis, Panos K.; Papastefanatos, George; Sharaf, Mohamed
Conference Paper
2020CASQAD - A New Dataset for Context-Aware Spatial Question Answering
Rose, J.; Lehmann, J.
Conference Paper
2020The Channel as a Traffic Sensor: Vehicle Detection and Classification Based on Radio Fingerprinting
Sliwa, B.; Piatkowski, N.; Wietfeld, C.
Journal Article
2020Characteristics of Monte Carlo Dropout in Wide Neural Networks
Sicking, Joachim; Akila, Maram; Wirtz, Tim; Houben, Sebastian; Fischer, Asja
Preprint
2020Citywide Traffic Analysis Based on the Combination of Visual and Analytic Approaches
Liu, F.; Andrienko, G.; Andrienko, N.; Chen, S.; Janssens, D.; Wets, G.; Theodoridis, Y.
Journal Article
2020Climate change impact and vulnerability analysis in the city of bratislava: Application and lessons learned
Lückerath, D.; Streberova, E.; Bogen, M.; Rome, E.; Ullrich, O.; Pauditsova, E.
Conference Paper
2020The CLIN30 Shared Task: Have-doubling in Historical Varieties of Dutch
Schraagen, Marijn; Wall, Joanna; Brito, Eduardo
Journal Article
2020A Clustering Backed Deep Learning Approach for Document Layout Analysis
Agombar, R.; Luebbering, M.; Sifa, R.
Conference Paper
2020Combining Machine Learning and Simulation to a Hybrid Modelling Approach: Current and Future Directions
Rüden, Laura von; Mayer, Sebastian; Sifa, Rafet; Bauckhage, Christian; Garcke, Jochen
Conference Paper
2020A Community Detection Based Approach for Exploring Patterns in Player Reviews
Pielka, Maren; Sifa, Rafet; Ramamurthy, Rajkumar; Ojeda, César; Bauckhage, Christian
Conference Paper
2020Context-based entity matching for big data
Tasnim, M.; Collarana, D.; Graux, D.; Vidal, M.-E.
Book Article
2020Cross-Administration Comparative Analysis of Open Fiscal Data
Musyaffa, Fathoni A.; Lehmann, Jens; Jabeen, Hajira
Conference Paper
2020Demonstration of a customizable knowledge graph visualization framework
Wiens, V.; Lohmann, S.
Conference Paper
2020DenseHMM: Learning Hidden Markov Models by Learning Dense Representations
Sicking, Joachim; Pintz, Maximilian; Akila, Maram; Wirtz, Tim
Presentation
2020Departamento de Nosotros: How machine translated corpora affects language models in MRC tasks
Khvalchik, M.; Galkin, M.
Conference Paper
2020DESICOM as Metaheuristic Search
Sifa, Rafet
Conference Paper
2020Deutsche Normungsroadmap Künstliche Intelligenz
Adler, R.; Kolomiichuk, Sergii; Hecker, Dirk; Lämmel, Philipp; Ma, Jackie; Marko, Angelina; Mock, Michael; Nagel, Tobias; Poretschkin, Maximilian; Rennoch, Axel; Röhler, Marcus; Ruf, Miriam; Schönhof, Raoul; Schneider, Martin A.; Tcholtchev, Nikolay; Ziehn, Jens; Böttinger, Konstantin; Jedlitschka, Andreas; Oala, Luis; Sperl, Philip; Wenzel, Markus; et. al.
: Wahlster, W.; Winterhalter, C.
Study
2020Discovering Object-centric Petri Nets
Aalst, W.M.P. van der; Berti, A.
Journal Article
2020A distributed approach for parsing large-scale owl datasets
Mohamed, H.; Fathalla, S.; Lehmann, J.; Jabeen, H.
Conference Paper
2020Distributed generative modelling with sub-linear communication overhead
Piatkowski, N.
Conference Paper
2020Dwelling Detection on VHR Satellite Imagery of Refugee Camps Using a Faster R-CNN
Wickert, Lorenz; Bogen, Manfred; Richter, Marvin
Conference Paper
2020Effective approximation of parametrized closure systems over transactional data streams
Trabold, Daniel; Horváth, Tamás; Wrobel, Stefan
Journal Article
2020Embedding-Based Recommendations on Scholarly Knowledge Graphs
Nayyeri, M.; Vahdati, S.; Zhou, X.; Shariat Yazdi, H.; Lehmann, J.
Conference Paper
2020Encoding Knowledge Graph Entity Aliases in Attentive Neural Network for Wikidata Entity Linking
Mulang, I.O.; Singh, K.; Vyas, A.; Shekarpour, S.; Vidal, M.-E.; Auer, S.
Conference Paper
2020Establishing a Strong Baseline for Privacy Policy Classification
Mousavi Nejad, N.; Jabat, P.; Nedelchev, R.; Scerri, S.; Graux, D.
Conference Paper
2020The European language technology landscape in 2020: Language-centric and human-centric AI for cross-cultural communication in multilingual Europe
Rehm, G.; Marheinecke, K.; Hegele, S.; Piperidis, S.; Bontcheva, K.; Haji, J.; Choukri, K.; Vasijevs, A.; Backfried, G.; Prinz, C.; Gomez-Perez, J.M.; Meertens, L.; Lukowicz, P.; Genabith, J. van; Lösch, A.; Slusallek, P.; Irgens, M.; Gatellier, P.; Köhler, J.; Bars, L. le; Anastasiou, D.; Auksorit, A.; Bel, N.; Branco, A.; Budin, G.; Daelemans, W.; Smedt, K. de; Garabik, R.; Gavriilidou, M.; Gromann, D.; Koeva, S.; Krek, S.; Krstev, C.; Linden, K.; Magnini, B.; Odijk, J.; Ogrodniczuk, M.; Rögnvaldsson, E.; Rosner, M.; Pedersen, B.S.; Skadia, I.; Tadi, M.; Tufi, D.; Varadi, T.; Vider, K.; Way, A.; Yvon, F.
Conference Paper
2020Evaluating the Impact of Knowledge Graph Context on Entity Disambiguation Models
Mulang, I.O.; Singh, K.; Prabhu, C.; Nadgeri, A.; Hoffart, J.; Lehmann, J.
Conference Paper
2020Exact local correlations in kicked chains
Gutkin, Boris; Braun, Petr; Akila, Maram; Waltner, Daniel; Guhr, Thomas
Journal Article
2020Explorations in Quantum Neural Networks with Intermediate Measurements
Franken, Lukas; Georgiev, Bogdan
Conference Paper
2020Fantastic Knowledge Graph Embeddings and how to Find the Right Space for Them
Nayyeri, M.; Xu, C.; Vahdati, S.; Vassilyeva, N.; Sallinger, E.; Yazdi, H.S.; Lehmann, J.
Conference Paper
2020Fraunhofer IAIS at FinCausal 2020, Tasks 1 & 2: Using Ensemble Methods and Sequence Tagging to Detect Causality in Financial Documents
Pielka, Maren; Ladi, Anna; Chapman, Clayton; Brito, Eduardo; Ramamurthy, Rajkumar; Mayer, Paul; Wahab, Abdul; Sifa, Rafet; Bauckhage, Christian
Conference Paper
2020Fraunhofer IAIS IoT Programming Language NEPO® in the Open Roberta® Lab
Leimbach, Thorsten; Tomala, Daria
Journal Article
2020From Imbalanced Classification to Supervised Outlier Detection Problems: Adversarially Trained Auto Encoders
Lübbering, Max; Ramamurthy, Rajkumar; Gebauer, Michael; Bell, Thiago; Sifa, Rafet; Bauckhage, Christian
Conference Paper
2020Fusing Multi-label Classification and Semantic Tagging
Kindermann, Jörg; Beckh, Katharina
Conference Paper
2020Give more data, awareness and control to individual citizens, and they will help COVID-19 containment
Nanni, Mirco; Andrienko, Gennady; Barabási, Albert-László et al.
Preprint
2020Give more data, awareness and control to individual citizens, and they will help COVID-19 containment
Nanni, Mirco; Andrienko, Gennady L.; Barabási, Albert-László; Boldrini, Chiara; Bonchi, Francesco; Cattuto, Ciro; Chiaromonte, Francesca; Comandé, Giovanni; Conti, Marco; Coté, Mark; Dignum, Frank; Dignum, Virginia; Domingo-Ferrer, Josep; Ferragina, Paolo; Giannotti, Fosca; Guidotti, Riccardo; Helbing, Dirk; Kaski, Kimmo; Kertész, János; Lehmann, Sune; Lepri, Bruno; Lukowicz, Paul; Matwin, Stan; Megías, David; Monreale, Anna; Morik, Katharina; Oliver, Nuria; Passarella, Andrea; Passerini, Andrea; Pedreschi, Dino; Pentland, Alex; Pianesi, Fabio; Pratesi, Francesca; Rinzivillo, Salvatore; Ruggieri, Salvatore; Siebes, Arno; Torra, Vicenç; Trasarti, Roberto; Hoven, Jeroen van den; Vespignani, Alessandro
Journal Article
2020Guide Me in Analysis: A Framework for Guidance Designers
Ceneda, D.; Andrienko, N.; Andrienko, G.; Gschwandtner, T.; Miksch, S.; Piccolotto, N.; Schreck, T.; Streit, M.; Suschnigg, J.; Tominski, C.
Journal Article
2020Guided Reinforcement Learning via Sequence Learning
Ramamurthy, Rajkumar; Sifa, Rafet; Lübbering, Max; Bauckhage, Christian
Conference Paper
2020Hopfield Networks for Vector Quantization
Bauckhage, Christian; Ramamurthy, Rajkumar; Sifa, Rafet
Conference Paper
2020HOPS: Probabilistic Subtree Mining for Small and Large Graphs
Welke, P.; Seiffarth, F.; Kamp, M.; Wrobel, S.
Conference Paper
2020Hybrid ensemble predictor as quality metric for German text summarization: Fraunhofer IAIS at GermEval 2020 task 3
Biesner, D.; Brito, E.; Hillebrand, L.P.; Sifa, R.
Conference Paper
2020Improving a Branch-and-Bound Approach for the Degree-Constrained Minimum Spanning Tree Problem with LKH
Thiessen, M.; Quesada, L.; Brown, K.N.
Conference Paper
2020Improving access to science for social good
Ali, M.; Vahdati, S.; Singh, S.; Dasgupta, S.; Lehmann, J.
Conference Paper
2020Incorporating Knowledge Bases into SciBERT and BioBERT pre-trained language models
Kiwan, Abdullah; Giesselbach, Sven; Rüping, Stefan
Presentation
2020Informed Machine Learning - A Taxonomy and Survey of Integrating Knowledge into Learning Systems
Rüden, Laura von; Mayer, Sebastian; Beckh, Katharina; Georgiev, Bogdan; Giesselbach, Sven; Heese, Raoul; Kirsch, Birgit; Pfrommer, Julius; Pick, Annika; Ramamurthy, Rajkumar; Walczak, Michal; Garcke, Jochen; Bauckhage, Christian; Schuecker, Jannis
Preprint
2020Innovative interventions for Parkinson's disease patients using iPrognosis games: An evaluation analysis by medical experts
Dias, S.; Ioakeimidis, I.; Dimitropoulos, K.; Grammatikopoulou, A.; Grammalidis, N.; Diniz, J.A.; Zilidou, V.; Savvidis, T.; Konstantinidis, E.; Bamidis, P.D.; Stadtschnitzer, Michael; Trivedi, D.; Klingelhoefer, L.; Bostantzopoulou, S.; Katsarou, Z.; Hadjidimitriou, S.; Charisis, V.; Hadjileontiadis, L.J.
Conference Paper
2020Innovative Parkinson's Disease Patients' Motor Skills Assessment: The i-PROGNOSIS Paradigm
Dias, Sofia B.; Grammatikopoulou, Athina; Diniz, José A.; Dimitropoulos, Kosmas; Grammalidis, Nikos; Zilidou, Vicky; Savvidis, Theodore; Konstantinidis, Evdokimos; Bamidis, Panagiotis; Jaeger, Hagen; Stadtschnitzer, Michael; Silva, Hugo; Telo, Gonçalo; Ioakeimidis, Ioannis; Ntakakis, George; Karayiannis, Fotis; Huchet, Estelle; Hoermann, Vera; Filis, Konstantinos; Theodoropoulou, Elina; Lyberopoulos, George; Kyritsis, Konstantinos; Papadopoulos, Alexandros; Delopoulos, Anastasios; Trivedi, Dhaval; Chaudhuri, K. Ray; Klingelhoefer, Lisa; Reichmann, Heinz; Bostantzopoulou, Sevasti; Katsarou, Zoe; Iakovakis, Dimitrios; Hadjidimitriou, Stelios; Charisis, Vasileios; Apostolidis, George; Hadjileontiadis, Leontios J.
Journal Article
2020Interactive Assigning of Conference Sessions with Visualization and Topic Modeling
Han, Y.; Wang, Z.; Chen, S.; Li, G.; Zhang, X.; Yuan, X.
Conference Paper
2020The International Data Spaces Information Model - An Ontology for Sovereign Exchange of Digital Content
Bader, Sebastian; Pullmann, Jaroslav; Mader, Christian; Tramp, Sebastian; Quix, Christoph; Mueller, Andreas W.; Akyürek, Haydar; Boeckmann, Matthias; Imbusch, Benedikt T.; Lipp, Johannes; Geisler, Sandra; Lange, Christoph
Conference Paper
2020Interpretable Topic Extraction and Word Embedding Learning Using Row-Stochastic DEDICOM
Hillebrand, L.; Biesner, D.; Bauckhage, C.; Sifa, R.
Conference Paper
2020Introducing Machine Learning Using Robots - Design and Integration of Simple Neural Networks and the Q-learning Algorithm in the Robot Simulation Environment of Open Roberta Lab, Accompanied by the Development, Testing, and Evaluation of Complementary Teaching Materials
Olari, Viktoriya
: Eide, Øyvind
Master Thesis
2020IOTA: Interlinking of heterogeneous multilingual open fiscal DaTA
Musyaffa, F.A.; Vidal, M.-E.; Orlandi, F.; Lehmann, J.; Jabeen, H.
Journal Article
2020IQA: Interactive query construction in semantic question answering systems
Zafar, H.; Dubey, M.; Lehmann, J.; Demidova, E.
Journal Article
2020A Knowledge Graph for Industry 4.0
Bader, Sebastian R.; Grangel-Gonzalez, Irlan; Nanjappa, Priyanka; Vidal, Maria-Esther; Maleshkova, Maria
Conference Paper
2020Künstliche Intelligenz im Krankenhaus: Potenziale und Herausforderungen - Eine Fallstudie im Bereich der Notfallversorgung
Antweiler, Dario; Beckh, Katharina; Sander, Jil; Rüping, Stefan
Study
2020Künstliche Intelligenz. Was steckt hinter der Technologie der Zukunft?
Paaß, Gerhard; Hecker, Dirk
Book
2020LDA Ensembles for Interactive Exploration and Categorization of Behaviors
Chen, Siming; Andrienko, Natalia; Andrienko, Gennady; Adilova, Linara; Barlet, Jeremie; Kindermann, Jörg; Nguyen, Phong H.; Thonnard, Oliver; Turkay, Cagatay
Journal Article
2020Learning a lightweight representation: First step towards automatic detection of multidimensional relationships between ideas
Khiat, A.
Conference Paper
2020Let the Margin SlidE± for Knowledge Graph Embeddings via a Correntropy Objective Function
Nayyeri, M.; Zhou, X.; Vahdati, S.; Izanloo, R.; Yazdi, H.S.; Lehmann, J.
Conference Paper
2020Leveraging Contextual Text Representations for Anonymizing German Financial Documents
Biesner, David; Ramamurthy, Rajkumar; Lübbering, Max; Fürst, Benedikt; Ismail, H.; Hillebrand, L.; Ladi, A.; Pielka, M.; Stenzel, R.; Khameneh, T.; Krapp, V.; Huseynov, I.; Schlums, J.; Stoll, U.; Warning, U.; Kliem, B.; Bauckhage, C.; Sifa, R.
Conference Paper
2020LIMITS: Lightweight Machine Learning for IoT Systems with Resource Limitations
Sliwa, B.; Piatkowski, N.; Wietfeld, C.
Conference Paper
2020Linking physicians to medical research results via knowledge graph embeddings and twitter
Sadeghi, A.; Lehmann, J.
Conference Paper
2020Matching biodiversity and ecology ontologies: Challenges and evaluation results
Karam, Naouel; Khiat, Abderrahmane; Algergawy, Alsayed; Sattler, Melanie; Weiland, Claus; Schmidt, Marco
Journal Article
2020Matrix- and Tensor Factorization for Game Content Recommendation
Sifa, Rafet; Yawar, Raheel; Ramamurthy, Rajkumar; Bauckhage, Christian; Kersting, Kristian
Journal Article
2020Maximal Closed Set and Half-Space Separations in Finite Closure Systems
Seiffarth, Florian; Horváth, Támas; Wrobel, Stefan
Conference Paper
2020Meta-hyperband: Hyperparameter Optimization with Meta-learning and Coarse-to-Fine
Payrosangari, S.; Sadeghi, A.; Graux, D.; Lehmann, J.
Conference Paper
2020Method and device for determining deformation of an object
Baumann, Daniel; Möller, Ronja; Vonolfen, Wolfgang; Hecker, Dirk; Bauckhage, Christian
Patent
2020MINDS: A Translator to Embed Mathematical Expressions Inside SPARQL Queries
Graux, D.; Sejdiu, G.; Stadler, C.; Napolitano, G.; Lehmann, J.
Conference Paper
2020Mining Frequent Itemsets from Transactional Data Streams with Probabilistic Error Bounds
Trabold, Daniel
: Wrobel, Stefan; Bauckhage, Christian
Dissertation
2020Motion Analysis on Depth Camera Data to Quantify Parkinson's Disease Patients' Motor Status within the Framework of I-Prognosis Personalized Game Suite
Dias, Sofia B.; Grammatikopoulou, Athina; Grammalidis, Nikos; Diniz, José A.; Savvidis, Theodore; Konstantinidis, Evdokimos; Bamidis, Panagiotis; Stadtschnitzer, Michael; Trivedi, Dhaval; Klingelhoefer, Lisa; Katsarou, Zoe; Bostantzopoulou, Sevasti; Dimitropoulos, Kosmas; Hadjileontiadis, Leontios J.
Conference Paper
2020Multi-Staged Cross-Lingual Acoustic Model Adaption for Robust Speech Recognition in Real-World Applications - A Case Study on German Oral History Interviews
Gref, Michael; Walter, Oliver; Schmidt, Christoph Andreas; Behnke, Sven; Köhler, Joachim
Conference Paper
2020NAT: Noise-Aware Training for Robust Neural Sequence Labeling
Namysl, Marcin; Behnke, Sven; Köhler, Joachim
Conference Paper
2020A neural-based model to predict the future natural gas market price through open-domain event extraction
Chau, M.T.; Esteves, D.; Lehmann, J.
Conference Paper
2020No Cloud on the Horizon: Probabilistic Gap Filling in Satellite Image Series
Fischer, Raphael; Piatkowski, Nico; Pelletier, Charlotte; Webb, Geoffrey I.; Petitjean, François; Morik, Katharina
Conference Paper
2020No one is perfect: Analysing the performance of question answering components over the DBpedia knowledge graph
Singh, K.; Lytra, I.; Radhakrishna, A.S.; Shekarpour, S.; Vidal, M.-E.; Lehmann, J.
Journal Article
2020Novelty Discovery with Kernel Minimum Enclosing Balls
Sifa, Rafet; Bauckhage, Christian
Conference Paper
2020Novelty-Guided Reinforcement Learning via Encoded Behaviors
Ramamurthy, R.; Sifa, R.; Lübbering, M.; Bauckhage, C.
Conference Paper
2020An OER Recommender System Supporting Accessibility Requirements
Elias, M.; Tavakoli, M.; Lohmann, S.; Kismihok, G.; Auer, S.
Conference Paper
2020On Learning a Control System without Continuous Feedback
Angelov, Georgi; Georgiev, Bogdan
Conference Paper
2020Ontology Design for Pharmaceutical Research Outcomes
Say, Z.; Fathalla, S.; Vahdati, S.; Lehmann, J.; Auer, S.
Conference Paper
2020Optimal Probabilistic Classification in Active Class Selection
Bunse, Mirco; Weichert, Dorina; Kister, Alexander; Morik, Katharina
Conference Paper
2020Orthogonal Compaction: Turn-Regularity, Complete Extensions, and their Common Concept
Esser, Alexander M.
Conference Paper
2020Patterns and Outliers in Temporal Point Processes
Ojeda, César; Cvejoski, Kostadin; Sifa, Rafet; Schücker, Jannis; Bauckhage, Christian
Conference Paper
2020PNEL: Pointer Network Based End-To-End Entity Linking over Knowledge Graphs
Banerjee, Debayan; Chaudhuri, Debanjan; Dubey, Mohnish; Lehmann, Jens
Conference Paper
2020Polyhedral Billiards, Eigenfunction Concentration and Almost Periodic Control
Cekic, M.; Georgiev, B.; Mukherjee, M.
Journal Article
2020Problem Solving with Hopfield Networks and Adiabatic Quantum Computing
Bauckhage, C.; Sanchez, R.; Sifa, R.
Conference Paper
2020Qualität, Konformitätsbewertung und Zertifizierung
Poretschkin, Maximilian; Loevenich, Daniel et al.
Book Article
2020Quality evaluation of open educational resources
Elias, M.; Oelen, A.; Tavakoli, M.; Kismihok, G.; Auer, S.
Conference Paper
2020Quality prediction of open educational resources a metadata-based approach
Tavakoli, M.; Elias, M.; Kismihok, G.; Auer, S.
Conference Paper
2020Quantum Machine Learning. Eine Analyse zu Kompetenz, Forschung und Anwendung
Bauckhage, Christian; Brito, Eduardo; Daase, Inga; Franken, Lukas; Georgiev, Bogdan; Hecker, Dirk; Paschke, Adrian; Piatkowski, Nico; Soddemann, Thomas; Trabold, Daniel
Study
2020R-Map: A Map metaphor for visualizing information reposting process in social media
Chen, S.; Li, S.; Chen, S.; Yuan, X.
Journal Article
2020Recurrent Point Review Models
Cvejoski, K.; Sanchez, R.J.; Georgiev, B.; Bauckhage, C.; Ojeda, C.
Conference Paper
2020Replication and Refinement of an Algorithm for Automated Drusen Segmentation on Optical Coherence Tomography
Wintergerst, M.W.M.; Gorgi Zadeh, S.; Wiens, V.; Thiele, S.; Schmitz-Valckenberg, S.; Holz, F.G.; Finger, R.P.; Schultz, T.
Journal Article
2020Resource-Constrained On-Device Learning by Dynamic Averaging
Heppe, Lukas; Kamp, Michael; Adilova, Linara; Heinrich, Danny; Piatkowski, Nico; Morik, Katharina
Conference Paper
2020Results of the ontology alignment evaluation initiative 2020
Nikooie Pour, Mina Abd; Algergawy, Alsayed; Amini, Reihaneh; Faria, Daniel; Fundulaki, Irini; Harrow, Ian; Hertling, Sven; Jiménez-Ruiz, Ernesto; Jonquet, Clement; Karam, Naouel; Khiat, Abderrahmane; Laadhar, Amir; Lambrix, Patrick; Li, Huanyu; Li, Ying; Hitzler, Pascal; Paulheim, Heiko; Pesquita, Catia; Saveta, Tzanina; Shvaiko, Pavel; Splendiani, Andrea; Thiéblin, Elodie; Trojahn, Cássia; Vataščinová, Jana; Yaman, Beyza; Zamazal, Ondrej; Zhou, Lu
Conference Paper
2020Retention Prediction in Sandbox Games with Bipartite Tensor Factorization
Sifa, Rafet; Fedell, Michael; Franklin, N.; Klabjan, D.; Ram, S.; Venugopal, A.; Demediuk, S.; Drachen, Anders
Conference Paper
2020Revisiting Neuron Coverage and its Application to Test Generation
Abrecht, Stephanie; Akila, Maram; Gannamaneni, Sujan Sai; Groh, Konrad; Heinzemann, Christian; Houben, Sebastian; Woehrle, Matthias
Conference Paper
2020Schema-agnostic SPARQL-driven faceted search benchmark generation
Stadler, C.; Bin, S.; Wenige, L.; Bühmann, L.; Lehmann, J.
Journal Article
2020SCODIS: Job advert-derived time series for high-demand skillset discovery and prediction
Sibarani, E.M.; Scerri, S.
Conference Paper
2020SDM-RDFizer: An RML Interpreter for the Efficient Creation of RDF Knowledge Graphs
Iglesias, E.; Jozashoori, S.; Chaves-Fraga, D.; Collarana, D.; Vidal, M.-E.
Conference Paper
2020Semantic Data Integration for the SMT Manufacturing Process Using SANSA Stack
Mami, M.N.; Grangel-Gonzalez, I.; Graux, D.; Elezi, E.; Lösch, F.
Conference Paper
2020Semantic Representation of Physics Research Data
Say, Aysegul; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören
Conference Paper
2020Semantics-Space-Time Cube: A Conceptual Framework for Systematic Analysis of Texts in Space and Time
Li, Jie; Chen, Siming; Chen, Wei; Andrienko, Gennady; Andrienko, Natalia
Journal Article
2020Shells within Minimum Enclosing Balls
Bauckhage, Christian; Bortz, Michael; Sifa, Rafet
Conference Paper
2020Smart Services in the Physical World: Digital Twins
Stojanovic, Ljiljana; Bader, Sebastian R.
Book Article
2020SOLIOT - Decentralized data control and interactions for IoT
Bader, Sebastian R.; Maleshkova, Maria
Journal Article
2020Spatio-temporal visual analytics: a vision for 2020s
Andrienko, Natalia; Andrienko, Gennady
Journal Article
2020Supporting Story Synthesis: Bridging the Gap between Visual Analytics and Storytelling
Chen, S.; Li, J.; Andrienko, G.; Andrienko, N.; Wang, Y.; Nguyen, P.H.; Turkay, C.
Journal Article
2020Supporting the management of humanitarian operations concerning migration movements with remote sensing
Wickert, L.; Bogen, M.; Richter, M.
Conference Paper
2020Systematic Comparison of the Influence of Different Data Preprocessing Methods on the Performance of Gait Classifications Using Machine Learning
Burdack, J.; Horst, F.; Giesselbach, S.; Hassan, I.; Daffner, S.; Schöllhorn, W.I.
Journal Article
2020Temporal Graph Analysis for Outbreak Pattern Detection in COVID-19 Contact Tracing Networks
Antweiler, Dario; Welke, Pascal
Presentation
2020Temporal Knowledge Graph Completion Based on Time Series Gaussian Embedding
Xu, Chenjin; Nayyeri, Mojtaba; Alkhoury, Fouad; Yazdi, Hamed; Lehmann, Jens
Conference Paper
2020Towards an empirical and theoretical evaluation of gradient based approaches for finding kernel minimum enclosing balls
Kondratiuk, H.; Sifa, R.
Conference Paper
2020Towards an Interoperable Ecosystem of AI and LT Platforms: A Roadmap for the Implementation of Different Levels of Interoperability
Rehm, Georg; Galanis, Dimitrios; Labropoulou, Penny; Piperidis, Stelios; Welß, Martin; Usbeck, Ricardo; Köhler, Joachim; Deligiannis, Miltos; Gkirtzou, Katerina; Fischer, Johannes; Chiarcos, Christian; Feldhus, Nils; Moreno-Schneider, Julián; Kintzel, Florian; Montiel, Elena; Doncel, Víctor Rodríguez; McCrae, John P.; Laqua, David; Theile, Irina Patricia; Dittmar, Christian; Bontcheva, Kalina; Roberts, Ian; Vasiljevs, Andrejs; Lagzdiņš, Andis
Conference Paper
2020Towards an Ontology Representing Characteristics of Inflammatory Bowel Disease
Khiat, A.; Elias, M.; Foldenauer, A.C.; Koehm, M.; Blumenstein, I.; Napolitano, G.
Conference Paper
2020Towards Complex Question Answering over Knowledge Graphs
Dubey, Mohnish
Dissertation
2020Towards integrated data control for digital twins in industry 4.0
Bader, S.R.; Maleshkova, M.
Conference Paper
2020Towards Map-Based Validation of Semantic Segmentation Masks
Rüden, Laura von; Wirtz, Tim; Hueger, Fabian; Schneider, Jan David; Bauckhage, Christian
Presentation
2020Towards the creation of a threat intelligence framework for maritime infrastructures
Pitropakis, N.; Logothetis, M.; Andrienko, G.; Stefanatos, J.; Karapistoli, E.; Lambrinoudakis, C.
Conference Paper
2020Training multimodal systems for classification with multiple objectives
Armitage, J.; Thakur, S.; Tripathi, R.; Lehmann, J.; Maleshkova, M.
Conference Paper
2020Treating dialogue quality evaluation as an anomaly detection problem
Nedelchev, R.; Lehmann, J.; Usbeck, R.
Conference Paper
2020Unveiling Relations in the Industry 4.0 Standards Landscape Based on Knowledge Graph Embeddings
Rivas, Ariam; Grangel-González, Irlán; Collarana, Diego; Lehmann, Jens; Vidal, Maria-Esther
Conference Paper
2020Using Automatic Speech Recognition in Spoken Corpus Curation
Gorisch, Jan; Gref, Michael; Schmidt, Thomas
Conference Paper
2020Using Probabilistic Soft Logic to Improve Information Extraction in the Legal Domain
Kirsch, Birgit; Giesselbach, Sven; Schmude, Timothée; Völkening, Malte; Rostalski, Frauke; Rüping, Stefan
Conference Paper
2020VASABI: Hierarchical User Profiles for Interactive Visual User Behaviour Analytics
Nguyen, P.H.; Henkin, R.; Chen, S.; Andrienko, N.; Andrienko, G.; Thonnard, O.; Turkay, C.
Journal Article
2020Verbalizing the evolution of knowledge graphs with formal concept analysis
Riveros, M.A.; Tasnim, M.; Graux, D.; Orlandi, F.; Collarana, D.
Conference Paper
2020Visual Analysis of Place Connectedness by Public Transport
Andrienko, Natalia; Andrienko, Gennady; Patterson, Fabian; Stange, Hendrik
Journal Article
2020Visual Analytics for Data Scientists
Andrienko, Natalia; Andrienko, Gennady; Fuchs, Georg; Slingsby, Aidan; Turkay, Cagatay; Wrobel, Stefan
Book
2020Visual Analytics in the Aviation and Maritime Domains
Andrienko, Gennady L.; Andrienko, Natalia V.; Fuchs, Georg; Rüping, Stefan; Cordero Garcia, Jose Manuel; Scarlatti, David; Vouros, George A.; Herranz, Ricardo; Marcos, Rodrigo
Book Article
2020VoColReg: A registry for supporting distributed ontology development using version control systems
Khiat, A.; Halilaj, L.; Hemid, A.; Lohmann, S.
Conference Paper
2020VQuAnDa: Verbalization QUestion ANswering DAtaset
Kacupaj, E.; Zafar, H.; Lehmann, J.; Maleshkova, M.
Conference Paper
2020Zertifizierung von KI-Systemen
Heesen, Jessica; Müller-Quade, Jörn; Wrobel, Stefan; Poretschkin, Maximilian
Study
2020Zertifizierung von KI-Systemen. Kompass für die Entwicklung und Anwendung vertrauenswürdiger KI-Systeme
Heesen, Jessica; Müller-Quade, Jörn; Wrobel, Stefan; Poretschkin, Maximilian
Report
2020Zukunftssichere Lösungen für maschinelles Lernen
Beck, Niklas; Martens, Claudio; Sylla, Karl-Heinz; Wegener, Dennis; Zimmermann, Alexander
Report