Alexander Löser

According to our database, Alexander Löser authored at least 79 papers between 2003 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

medBERT.de: A comprehensive German BERT model for the medical domain.

Keno K. Bressem, Jens-Michalis Papaioannou, Paul Grundmann, Florian Borchert, Lisa C. Adams, Leonhard Liu, Felix Busch, Lina Xu, Jan P. Loyen, Stefan Markus Niehues, Moritz Augustin, Lennart Grosser, Marcus R. Makowski, Hugo J. W. L. Aerts, Alexander Löser

Expert Syst. Appl., March, 2024

LongHealth: A Question Answering Benchmark with Long Clinical Documents.

Lisa Adams, Felix Busch, Tianyu Han, Jean-Baptiste Excoffier, Matthieu Ortala, Alexander Löser, Hugo J. W. L. Aerts, Jakob Nikolas Kather, Daniel Truhn, Keno K. Bressem

CoRR, 2024

Boosting Long-Tail Data Classification with Sparse Prototypical Networks.

Alexei Figueroa, Jens-Michalis Papaioannou, Conor Fallon, Alexandra Bekiaridou, Keno K. Bressem, Stavros Zanos, Felix Gers, Wolfgang Nejdl, Alexander Löser

Proceedings of the Machine Learning and Knowledge Discovery in Databases. Research Track, 2024

DDxGym: Online Transformer Policies in a Knowledge Graph Based Natural Language Environment.

Benjamin Winter, Alexei Gustavo Figueroa Rosero, Alexander Löser, Felix Alexander Gers, Nancy Katerina Figueroa Rosero, Ralf Krestel

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

Data Drift in Clinical Outcome Prediction from Admission Notes.

Paul Grundmann, Jens-Michalis Papaioannou, Tom Oberhauser, Thomas Steffek, Amy Siu, Wolfgang Nejdl, Alexander Löser

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

Revisiting Clinical Outcome Prediction for MIMIC-IV.

Tom Roehr, Alexei Figueroa, Jens-Michalis Papaioannou, Conor Fallon, Keno K. Bressem, Wolfgang Nejdl, Alexander Löser

Proceedings of the 6th Clinical Natural Language Processing Workshop, 2024

2023

From symmetry to asymmetry: Generalizing TSP approximations by parametrization.

Lukas Behrendt, Katrin Casel, Tobias Friedrich, J. A. Gregor Lagodzinski, Alexander Löser, Marcus Wilhelm

J. Comput. Syst. Sci., 2023

MedAlpaca - An Open-Source Collection of Medical Conversational AI Models and Training Data.

Tianyu Han, Lisa C. Adams, Jens-Michalis Papaioannou, Paul Grundmann, Tom Oberhauser, Alexander Löser, Daniel Truhn, Keno K. Bressem

CoRR, 2023

2022

KIMERA: Injecting Domain Knowledge into Vacant Transformer Heads.

Benjamin Winter, Alexei Figueroa Rosero, Alexander Löser, Felix Alexander Gers, Amy Siu

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Cross-Lingual Knowledge Transfer for Clinical Phenotyping.

Jens-Michalis Papaioannou, Paul Grundmann, Betty van Aken, Athanasios Samaras, Ilias Kyparissidis, George Giannakoulas, Felix A. Gers, Alexander Löser

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

This Patient Looks Like That Patient: Prototypical Networks for Interpretable Diagnosis Prediction from Clinical Text.

Betty van Aken, Jens-Michalis Papaioannou, Marcel Ganesh Naik, Georgios Eleftheriadis, Wolfgang Nejdl, Felix A. Gers, Alexander Löser

Proceedings of the 2nd Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 12th International Joint Conference on Natural Language Processing, 2022

Attention Networks for Augmenting Clinical Text with Support Sets for Diagnosis Prediction.

Paul Grundmann, Tom Oberhauser, Felix A. Gers, Alexander Löser

Proceedings of the 29th International Conference on Computational Linguistics, 2022

2021

What Do You See in this Patient? Behavioral Testing of Clinical NLP Models.

Betty van Aken, Sebastian Herrmann, Alexander Löser

CoRR, 2021

Self-supervised Answer Retrieval on Clinical Notes.

Paul Grundmann, Sebastian Arnold, Alexander Löser

CoRR, 2021

Automatic Clustering in Hyrise.

Alexander Löser

CoRR, 2021

Aspect-Based Passage Retrieval with Contextualized Discourse Vectors.

Jens-Michalis Papaioannou, Manuel Mayrdorfer, Sebastian Arnold, Felix A. Gers, Klemens Budde, Alexander Löser

Proceedings of the Advances in Information Retrieval, 2021

Clinical Outcome Prediction from Admission Notes using Self-Supervised Knowledge Integration.

Betty van Aken, Jens-Michalis Papaioannou, Manuel Mayrdorfer, Klemens Budde, Felix A. Gers, Alexander Löser

Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, 2021

Learned What-If Cost Models for Autonomous Clustering.

Daniel Lindner, Alexander Löser, Jan Kossmann

Proceedings of the New Trends in Database and Information Systems, 2021

2020

VisBERT: Hidden-State Visualizations for Transformers.

Betty van Aken, Benjamin Winter, Alexander Löser, Felix A. Gers

Proceedings of the Companion of The 2020 Web Conference 2020, 2020

Learning Contextualized Document Representations for Healthcare Answer Retrieval.

Sebastian Arnold, Betty van Aken, Paul Grundmann, Felix A. Gers, Alexander Löser

Proceedings of the WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020, 2020

Is Language Modeling Enough? Evaluating Effective Embedding Combinations.

Rudolf Schneider, Tom Oberhauser, Paul Grundmann, Felix A. Gers, Alexander Löser, Steffen Staab

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Discovering Biased News Articles Leveraging Multiple Human Annotations.

Konstantina Lazaridou, Alexander Löser, Maria Mestre, Felix Naumann

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

TrainX - Named Entity Linking with Active Sampling and Bi-Encoders.

Tom Oberhauser, Tim Bischoff, Karl Brendel, Maluna Menke, Tobias Klatt, Amy Siu, Felix Alexander Gers, Alexander Löser

Proceedings of the 28th International Conference on Computational Linguistics, 2020

2019

SECTOR: A Neural Model for Coherent Topic Segmentation and Classification.

Sebastian Arnold, Rudolf Schneider, Philippe Cudré-Mauroux, Felix A. Gers, Alexander Löser

Trans. Assoc. Comput. Linguistics, 2019

How Does BERT Answer Questions?: A Layer-Wise Analysis of Transformer Representations.

Betty van Aken, Benjamin Winter, Alexander Löser, Felix A. Gers

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, 2019

IDEL: In-Database Neural Entity Linking.

Torsten Kilias, Alexander Löser, Felix A. Gers, Ying Zhang, Richard Koopmanschap, Martin L. Kersten

Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2019

2018

Crowd-Labeling Fashion Reviews with Quality Control.

Iurii Chernushenko, Felix A. Gers, Alexander Löser, Alessandro Checco

CoRR, 2018

IDEL: In-Database Entity Linking with Neural Embeddings.

Torsten Kilias, Alexander Löser, Felix A. Gers, Richard Koopmanschap, Ying Zhang, Martin L. Kersten

CoRR, 2018

Smart-MD: Neural Paragraph Retrieval of Medical Topics.

Rudolf Schneider, Sebastian Arnold, Tom Oberhauser, Tobias Klatt, Thomas Steffek, Alexander Löser

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

Challenges for Toxic Comment Classification: An In-Depth Error Analysis.

Betty van Aken, Julian Risch, Ralf Krestel, Alexander Löser

Proceedings of the 2nd Workshop on Abusive Language Online, 2018

2017

FashionBrain Project: A Vision for Understanding Europe's Fashion Data Universe.

Alessandro Checco, Gianluca Demartini, Alexander Löser, Ines Arous, Mourad Khayati, Matthias Dantone, Richard Koopmanschap, Svetlin Stalinlov, Martin L. Kersten, Ying Zhang

CoRR, 2017

Analysing Errors of Open Information Extraction Systems.

Rudolf Schneider, Tom Oberhauser, Tobias Klatt, Felix A. Gers, Alexander Löser

CoRR, 2017

RelVis: Benchmarking OpenIE Systems.

Rudolf Schneider, Tom Oberhauser, Tobias Klatt, Felix A. Gers, Alexander Löser

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to, 2017

2016

Robust Named Entity Recognition in Idiosyncratic Domains.

Sebastian Arnold, Felix A. Gers, Torsten Kilias, Alexander Löser

CoRR, 2016

Interactive Relation Extraction in Main Memory Database Systems.

Rudolf Schneider, Cordula Guder, Torsten Kilias, Alexander Löser, Jens Graupmann, Oleksandr Kozachuk

Proceedings of the COLING 2016, 2016

TASTY: Interactive Entity Linking As-You-Type.

Sebastian Arnold, Robert Dziuba, Alexander Löser

Proceedings of the COLING 2016, 2016

2015

INDREX: In-database relation extraction.

Torsten Kilias, Alexander Löser, Periklis Andritsos

Inf. Syst., 2015

Preismodelle für Datenmarktplätze.

Florian Stahl, Alexander Löser, Gottfried Vossen

Inform. Spektrum, 2015

Resolving Common Analytical Tasks in Text Databases.

Sebastian Arnold, Alexander Löser, Torsten Kilias

Proceedings of the ACM Eighteenth International Workshop on Data Warehousing and OLAP, 2015

2014

A Marketplace for Web Scale Analytics and Text Annotation Services.

Johannes Kirschnick, Torsten Kilias, Holmer Hemsen, Alexander Löser, Peter Adolphs, Heiko Ehrig, Holger Düwiger

Proceedings of the COLING 2014, 2014

2013

Beyond search: Retrieving complete tuples from a text-database.

Alexander Löser, Christoph Nagel, Stephan Pieper, Christoph Boden

Inf. Syst. Frontiers, 2013

Effective Selectional Restrictions for Unsupervised Relation Extraction.

Alan Akbik, Larysa Visengeriyeva, Johannes Kirschnick, Alexander Löser

Proceedings of the Sixth International Joint Conference on Natural Language Processing, 2013

Information Marketplaces for Big Data Analytics.

Alexander Löser

Proceedings of the Actes des 9èmes journées francophones sur les Entrepôts de Données et l'Analyse en ligne, 2013

INDREX: in-database distributional relation extraction.

Torsten Kilias, Alexander Löser, Periklis Andritsos

Proceedings of the sixteenth international workshop on Data warehousing and OLAP, 2013

2012

Fact-Aware Document Retrieval for Information Extraction.

Christoph Boden, Alexander Löser, Christoph Nagel, Stephan Pieper

Datenbank-Spektrum, 2012

KrakeN: N-ary Facts in Open Information Extraction.

Alan Akbik, Alexander Löser

Proceedings of the Joint Workshop on Automatic Knowledge Base Construction and Web-scale Knowledge Extraction, 2012

Unsupervised Discovery of Relations and Discriminative Extraction Patterns.

Alan Akbik, Larysa Visengeriyeva, Priska Herger, Holmer Hemsen, Alexander Löser

Proceedings of the COLING 2012, 2012

Pricing Approaches for Data Markets.

Alexander Muschalle, Florian Stahl, Alexander Löser, Gottfried Vossen

Proceedings of the Enabling Real-Time Business Intelligence - 6th International Workshop, 2012

2011

FactCrawl: A Fact Retrieval Framework for Full-Text Indices.

Christoph Boden, Alexander Löser, Christoph Nagel, Stephan Pieper

Proceedings of the 14th International Workshop on the Web and Databases 2011, 2011

Classification algorithms for relation prediction.

Christoph Boden, Thomas Hafele, Alexander Löser

Proceedings of the Workshops Proceedings of the 27th International Conference on Data Engineering, 2011

Self-supervised web search for any-k complete tuples.

Alexander Löser, Christoph Nagel, Stephan Pieper, Christoph Boden

Proceedings of the 2nd International Workshop on Business intelligencE and the WEB, 2011

The GoOLAP Fact Retrieval Framework.

Alexander Löser, Sebastian Arnold, Tillmann Fiehn

Proceedings of the Business Intelligence - First European Summer School, 2011

2010

Detecting Near-Duplicate Relations in User Generated Forum Content.

Klemens Muthmann, Alexander Löser

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2010 Workshops, 2010

Augmenting Tables by Self-supervised Web Search.

Alexander Löser, Christoph Nagel, Stephan Pieper

Proceedings of the Enabling Real-Time Business Intelligence - 4th International Workshop, 2010

2009

Beyond Search: Web-Scale Business Analytics.

Alexander Löser

Proceedings of the Web Information Systems Engineering, 2009

Near-duplicate detection for web-forums.

Klemens Muthmann, Wojciech M. Barczynski, Falk Brauer, Alexander Löser

Proceedings of the International Database Engineering and Applications Symposium (IDEAS 2009), 2009

Ad-Hoc Queries over Document Collections - A Case Study.

Alexander Löser, Steffen Lutter, Patrick Düssel, Volker Markl

Proceedings of the Enabling Real-Time Business Intelligence - Third International Workshop, 2009

2008

Web 2.0 Business Analytics.

Alexander Löser, Gregor Hackenbroich, Hong Hai Do, Henrike Berthold

Datenbank-Spektrum, 2008

Robust recognition of complex entities in text exploiting enterprise data and NLP-techniques.

Falk Brauer, Marcus Schramm, Wojciech M. Barczynski, Alexander Löser, Hong Hai Do

Proceedings of the Third IEEE International Conference on Digital Information Management (ICDIM), 2008

What's the Intention Behind Your Query? A few Observations From a Large Developer Community.

Alexander Löser, Wojciech M. Barczynski, Falk Brauer

Proceedings of the 1st IRSW2008 International Workshop on Identity and Reference on the Semantic Web, 2008

08391 Group Summary - Mining for Social Serendipity.

Alexandre Passant, Ian Mulvany, Peter Mika, Nicolas Maisonneuve, Alexander Löser, Ciro Cattuto, Christian Bizer, Christian Bauckhage, Harith Alani

Proceedings of the Social Web Communities, 21.09. - 26.09.2008, 2008

Mapping enterprise entities to text segments.

Falk Brauer, Alexander Löser, Hong Hai Do

Proceedings of the Second Ph.D. Workshop in CIKM, 2008

Situational Business Intelligence.

Alexander Löser, Fabian Hueske, Volker Markl

Proceedings of the Business Intelligence for the Real-Time Enterprise, 2008

2007

Semantic social overlay networks.

Alexander Löser, Steffen Staab, Christoph Tempich

IEEE J. Sel. Areas Commun., 2007

Navigating the intranet with high precision.

Huaiyu Zhu, Sriram Raghavan, Shivakumar Vaithyanathan, Alexander Löser

Proceedings of the 16th International Conference on World Wide Web, 2007

A Concept for Flexible Event-Driven Invocation of Distributed Service Compositions.

Karen Walzer, Jürgen Anke, Alexander Löser, Huaigu Wu

Proceedings of the 27th International Conference on Distributed Computing Systems Workshops (ICDCS 2007 Workshops), 2007

Temporal constraints for rule-based event processing.

Karen Walzer, Alexander Schill, Alexander Löser

Proceedings of the First Ph.D. Workshop in CIKM, 2007

2006

Challenges and Trends in Information Management.

Karin Kailing, Alexander Löser, Volker Markl

Datenbank-Spektrum, 2006

How to model Semantic Peer-to-Peer Overlays?

Christoph Schmitz, Alexander Löser

Proceedings of the 36. Jahrestagung der Gesellschaft für Informatik, 2006

2005

Adaptive Overlays in Peer-to-Peer Netzwerken.

Alexander Löser

PhD thesis, 2005

On Ranking Peers in Semantic Overlay Networks.

Alexander Löser, Christoph Tempich

Proceedings of the WM 2005: Professional Knowledge Management - Experiences and Visions, Contributions to the 3rd Conference Professional Knowledge Management, 2005

Searching Dynamic Communities with Personal Indexes.

Alexander Löser, Christoph Tempich, Bastian Quilitz, Wolf-Tilo Balke, Steffen Staab, Wolfgang Nejdl

Proceedings of the Semantic Web - ISWC 2005, 4th International Semantic Web Conference, 2005

Community Based Ranking in Peer-to-Peer Networks.

Christoph Tempich, Alexander Löser, Jörg Heizmann

Proceedings of the On the Move to Meaningful Internet Systems 2005: CoopIS, 2005

Semantic Methods for P2P Query Routing.

Alexander Löser, Steffen Staab, Christoph Tempich

Proceedings of the Multiagent System Technologies, Third German Conference, 2005

2004

Super-peer-based routing strategies for RDF-based peer-to-peer networks.

Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario T. Schlosser, Ingo Brunkhorst, Alexander Löser

J. Web Semant., 2004

Taxonomy-Based Routing Overlays in P2P Networks.

Alexander Löser, Kai Schubert, Frederik Zimmer

Proceedings of the 8th International Database Engineering and Applications Symposium (IDEAS 2004), 2004

2003

Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks.

Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario T. Schlosser, Ingo Brunkhorst, Alexander Löser

Proceedings of the Twelfth International World Wide Web Conference, 2003

Semantic Overlay Clusters within Super-Peer Networks.

Alexander Löser, Felix Naumann, Wolf Siberski, Wolfgang Nejdl, Uwe Thaden

Proceedings of the Databases, 2003

Information Integration in Schema-Based Peer-To-Peer Networks.

Alexander Löser, Wolf Siberski, Martin Wolpers, Wolfgang Nejdl

Proceedings of the Advanced Information Systems Engineering, 15th International Conference, 2003