Andreas Lommatzsch

Dr.-Ing. Andreas Lommatzsch
CC AIM - Artificial Intelligence and Machine Learning
+49 (0)30 314 -74071
...
Office: TEL 1310

Publications

2024

12th International Workshop on News Recommendation and Analytics (INRA24)

Authors: Benjamin Kille, Andreas Lommatzsch, Celina Treuillier, Vandana Yadav, Özlem Özgöbek
2024

Special issue on News Personalization and Analytics (pp. 921-1085)

Authors: Benjamin Kille, Andreas Lommatzsch, Jürgen Ziegler, Özlem Özgöbek
2024

Enhancing Data Accessibility: Integrating Speech-Based Interfaces with Large Language Models for Intuitive Database Queries

Authors: Abdullah Kiwan, Andreas Lommatzsch, Sahin Albayrak
2024

Opinerium: Subjective Question Generation using Large Language Models

Authors: Pedram Babakhani, Andreas Lommatzsch, Torben Brodt, Doreen Sacker, Fikret Sivrikaya, Sahin Albayrak
2024

Report on the 11th International Workshop on News Recommendation and Analytics (INRA 2023) at ACM RecSys 2023

Authors: Benjamin Kille, Andreas Lommatzsch, Özlem Özgöbek, Peng Liu, Simen Eide
2024
2023

News Images in MediaEval 2022

Authors: Benjamin Kille, Andreas Lommatzsch, Özlem Özgöbek, Mehdi Elahi, Duc-Tien Dang-Nguyen
2023

The 11th International Workshop on News Recommendation and Analytics 2023

Authors: Benjamin Kille, Andreas Lommatzsch, Özlem Özgöbek, Peng Liu, Lemei Zhang, Simen Eide
2023

The Eleventh International Workshop on News Recommendation and Analytics (INRA2023)

Authors: Benjamin Kille, Andreas Lommatzsch, Özlem Özgöbek, Peng Liu, Simen Eide, Lemei Zhang
2023

Combining Information Retrieval and Large Language Models for a Chatbot that Generates Reliable, Natural-style Answers

Authors: Andreas Lommatzsch, Brandon Llanque, Vinay Srinath Rosenberg, Syed Ali Murad Tahir, Hristo Dimitrov Boyadzhiev, Maurice Walny
2023
2022

Guiding Users by Dynamically Generating Questions in a Chatbot System

Authors: Jannis Pilgrim, Jakob Kemmler, Moritz Wassmer, Silvio Echsle, Andreas Lommatzsch
2022

The 10th International Workshop on News Recommendation and Analytics (INRA 2022)

Authors: Özlem Özgöbek, Andreas Lommatzsch, Benjamin Kille, Peng Liu, Jon Atle Gulla, Edward C. Malthouse
2022

NewsImages: Addressing the Depiction Gap with an Online News Dataset for Text-Image Rematching

Authors: Andreas Lommatzsch, Benjamin Kille, Özlem Özgöbek, Mingliang Liang, Yuxiao Zhou, Jelena Tesic, Cláudio Bartolomeu, David Semedo, Lidia Pivovarova, Martha Larson
2022
2021

Methods for Text-Image-Rematching using Pair-wise Similarity and Canonical Similarity Analysis

Authors: Kani Abdul, Kiran Kiran, Max Rudat, Alexandros Vasileiou, Andreas Lommatzsch
2021

News Images in MediaEval 2021

Authors: Benjamin Kille, Andreas Lommatzsch, Özlem Özgöbek, Mehdi Elahi, Duc-Tien Dang-Nguyen
2021

9th International Workshop on News Recommendation and Analytics

Authors: Özlem Özgöbek, Andreas Lommatzsch, Benjamin Kille, Peng Liu, Zhixin Pu, Jon Atle Gulla
2021

Image-Text Rematching for News Items using Optimized Embeddings and CNNs in MediaEval NewsImages 2021

Authors: Tom Sühr, Ajay Madhavanr, Nasim Jamshidi Avanaki, René Berk, Andreas Lommatzsch
2021
2020

When algorithm selection meets Bi-linear Learning to Rank: accuracy and inference time trade off with candidates expansion

Authors: Christian Geißler, Weijia Shao, Andreas Lommatzsch, Jing Yuan, Jain Brijnesh
2020

Are You Human – Adapting and Evaluating the Bot Interaction Patterns Towards the UserExpectation

Authors: Andreas Lommatzsch, Danuta Ploch, Benjamin Kille
2020
2019

7th International Workshop on News Recommendation and Analytics (INRA 2019)

Authors: Özlem Özgöbek, Benjamin Kille, Jon Atle Gulla, Andreas Lommatzsch
2019

Defining a Meaningful Baseline for News Recommender Systems

Authors: Benjamin Kille, Andreas Lommatzsch
2019

An Information Retrieval-based Approach for Building Intuitive Chatbots for Large Knowledge Bases

Authors: Andreas Lommatzsch, Jonas Katins
2019

A Framework for Analyzing News Images and Building Multimedia-based Recommenders

Authors: Andreas Lommatzsch, Benjamin Kille, Kevin Styp-Rekowski, Max Karl, Jan Pommering
2019

Continuous Evaluation of Large-scale Information Access Systems: A Case for Living Labs

Authors: Frank Hopfgartner, Krisztian Balog, Andreas Lommatzsch, Liadh Kelly, Benjamin Kille, Anne Schuth, Martha Larson
2019
2018

Defining Contextual Factors for News Consumption

Authors: Benjamin Kille, Özlem Özgöbek, Andreas Lommatzsch
2018

A Next Generation Chatbot-Framework for the Public Administration

Author: Andreas Lommatzsch
2018

Normalization of Timeseries for Improving Recommendations

Authors: Alexandru Ciobanu, Asmaa Haja, Andreas Lommatzsch
2018

Predicting the Interest in News based On Image Annotations

Authors: Alexandru Ciobanu, Andreas Lommatzsch, Benjamin Kille
2018

Baseline Algorithms for Predicting the Interest in News based on Multimedia-Data

Authors: Andreas Lommatzsch, Benjamin Kille
2018

MediaEval 2018 – Overview on NewsREEL Multimedia

Authors: Andreas Lommatzsch, Benjamin Kille, Frank Hopfgartner, Leif Ramming
2018
2017

A Stream-based Resource for Multi-Dimensional Evaluation of Recommender Algorithms

Authors: Benjamin Kille, Andreas Lommatzsch, Frank Hopfgartner, Martha Larson, Arjen P. de Vries
2017

Incorporating Context and Trends in News Recommender Systems

Authors: Andreas Lommatzsch, Benjamin Kille, Sahin Albayrak
2017

A System for Online News Recommendations in Real-Time with Apache Mahout

Authors: Paul Beck, Manuel Blaser, Adrian Michalke, Andreas Lommatzsch
2017

CLEF 2017 NewsREEL Overview: A Stream-based Recommender Task for Evaluation and Education

Authors: Andreas Lommatzsch, Benjamin Kille, Frank Hopfgartner, Martha Larson, Özlem Özgöbek, Torben Brodt, Jonas Seiler
2017

CLEF NewsREEL 2017: Comparing Multi-dimensional Offline and Online Evaluation of News Recommender Systems

Authors: Benjamin Kille, Andreas Lommatzsch, Frank Hopfgartner, Martha Larson, Torben Brodt
2017

A Highly Available Real-time News Recommender based on Apache Spark

Authors: Jaschar Domann, Andreas Lommatzsch
2017

Entwicklung eines Systems zur Verwaltung und Online-Evaluation von Point-Of-Interest Empfehlungsalgorithmen

Authors: Jan Marco Jänicke, Benjamin Kille, Andreas Lommatzsch
2017

Towards the Automatic Sentiment Analysis of German News and Forum Documents

Authors: Andreas Lommatzsch, Florian Bütow, Danuta Ploch, Sahin Albayrak
2017

Countering Contextual Bias in TV Watching Behavior: Introducing Social Trend as External Contextual Factor in TV Recommenders

Authors: Felix Lorenz, Jing Yuan, Andreas Lommatzsch, Mu Mu, Nicholas Race, Frank Hopfgartner, Sahin Albayrak
2017
2016

CLEF NewsREEL 2016: Comparing Multi-dimensional Offline and Online Evaluation of News Recommender Systems

Authors: Benjamin Kille, Andreas Lommatzsch, Frank Hopfgartner, Martha Larson, Jonas Seiler, Davide Malagoli, Andras Sereny, Torben Brodt
2016

Real-time News Recommendations using Apache Spark

Authors: Jaschar Domann, Jens Meiners, Lea Helmers, Andreas Lommatzsch
2016

Development of a News Recommender System based on Apache Flink

Authors: Alexandru Ciobanu, Andreas Lommatzsch
2016

Clicks Pattern Analysis for Online News Recommendation Systems

Authors: Jing Yuan, Andreas Lommatzsch, Benjamin Kille
2016

Development and Evaluation of a Scalable News Recommender System

Authors: Patrick Probst, Andreas Lommatzsch
2016

Topical Semantic Recommendations for Auteur Films

Authors: Christian Rakow, Andreas Lommatzsch, Till Plumbaum
2016

Overview of NewsREEL’16: Multi-dimensional Evaluation of Real-Time Stream-Recommendation Algorithms

Authors: Benjamin Kille, Andreas Lommatzsch, Gebrekirstos Gebremeskel, Frank Hopfgartner, Martha Larson, Jonas Seiler, Davide Malagoli, Andras Sereny, Torben Brodt, Arjen de Vries
2016

Applying Topic Model in Context-Aware TV Programs Recommendation

Authors: Jing Yuan, Andreas Lommatzsch, Mu Mu
2016

Idomaar: A Framework for Multi-dimensional Benchmarking of Recommender Algorithms

Authors: Mario Scriminaci, Andreas Lommatzsch, Benjamin Kille, Frank Hopfgartner, Martha Larson, Davide Malagoli, Andras Sereny
2016

Topical Video-On-Demand Recommendations based on Event Detection

Authors: Tobias Dörsch, Andreas Lommatzsch, Christian Rakow
2016

Algorithms Aside: Recommendation as the Lens of Life

Authors: Tamas Motajcsek, Jean-Yves Le Moine, Paolo Cremonesi, Kristaps Dobrajs, Frank Hopfgartner, Franca Garzotto, Ay?e Göker, Daniel Kohlsdorf, Andrew Demetriou, Martha Larson, Andreas Lommatzsch, Davide Malagoli, Ngoc Nguyen Thuy, Jasminko Novak
2016

An Interactive e-Government Question Answering System

Authors: Malte Schwarzer, Jonas Düver, Danuta Ploch, Andreas Lommatzsch
2016

The News Recommendation Evaluation Lab – Online evaluation of recommender systems

Author: Andreas Lommatzsch
2016

Contextual Factors Involvement for Score Modeling under LambdaRank in Recommender Systems

Authors: Jing Yuan, Andreas Lommatzsch, Sahin Albayrak
2016

Recommender Ensembles for News Articles based on Most-Popular Strategies

Authors: Andreas Lommatzsch, Niels Johannes, Jens Meiners, Lea Helmers, Jaschar Domann
2016

An Advanced Press Review System Combining Deep News Analysis and Machine Learning Algorithms

Authors: Danuta Ploch, Andreas Lommatzsch, Florian Schultze
2016

Topic Tracking in News Streams using Latent Factor Models

Authors: Jens Meiners, Andreas Lommatzsch
2016

Get on with it! – Recommender system industry challenges move towards real-world, online evaluation

Authors: Andreas Lommatzsch, Jonas Seiler, Daniel Kohlsdorf
2016

Benchmarking News Recommendations: The CLEF NewsREEL Use Case

Authors: Frank Hopfgartner, Torben Brodt, Jonas Seiler, Benjamin Kille, Andreas Lommatzsch, Martha Larson, Roberto Turrin, Andras Sereny
2016

Towards reproducibility in recommender-systems research

Authors: Joeran Beel, Corinna Breitinger, Stefan Langer, Andreas Lommatzsch, Bela Gipp
2016
2015

Context-aware LDA: Balancing Relevance and Diversity in TV Content Recommenders

Authors: Jing Yuan, Fikret Sivrikaya, Frank Hopfgartner, Andreas Lommatzsch, Mu Mu
2015

Real-time Recommendations for User-Item Streams

Authors: Andreas Lommatzsch, Sahin Albayrak
2015

Optimizing and Evaluating Stream-based News Recommendation Algorithms

Authors: Andreas Lommatzsch, Sebastian Werner
2015

Stream-Based Recommendations: Online and Offline Evaluation as a Service

Authors: Benjamin Kille, Andreas Lommatzsch, Roberto Turrin, Andras Sereny, Martha Larson, Torben Brodt, Jonas Seiler, Frank Hopfgartner
2015

Personalized Information Access Using Semantic Knowledge

Authors: Till Plumbaum, Andreas Lommatzsch
2015

Development and Evaluation of a Highly Scalable News Recommender System

Authors: Ilya Verbitskiy, Patrick Probst, Andreas Lommatzsch
2015

Predicting GEMS Based on PDA-Assessed Gestural Motion Data

Authors: Melanie Irrgang, Hauke Egermann, Esra Acar Celik, Andreas Lommatzsch
2015

Overview of CLEF NewsREEL 2015: News Recommendation Evaluation Lab

Authors: Benjamin Kille, Andreas Lommatzsch, Roberto Turrin, Andras Sereny, Martha Larson, Torben Brodt, Jonas Seiler, Frank Hopfgartner
2015

Sentiment Analysis with Machine Learning Algorithms on German News Articles

Authors: Florian Bütow, Florian Schultze, Leopold Strauch, Danuta Ploch, Andreas Lommatzsch
2015

News Recommendation in Real-Time

Authors: Benjamin Kille, Andreas Lommatzsch, Torben Brodt
2015
2014

An Extended Data Model Format for Composite Recommendation

Authors: Alan Said, Babak Loni, Roberto Turrin, Andreas Lommatzsch
2014

An analysis of the 2014 RecSys Challenge

Authors: Daniele Loiacono, Andreas Lommatzsch, Roberto Turrin
2014

Optimizing and Evaluating Stream-based News Recommendation Algorithms

Authors: Sebastian Werner, Andreas Lommatzsch
2014

Overview of CLEF NEWSREEL 2014: News Recommendations Evaluation Labs

Authors: Benjamin Kille, Torben Brodt, Tobias Heintz, Frank Hopfgartner, Andreas Lommatzsch, Jonas Seiler
2014

Benchmarking News Recommendations in a Living Lab

Authors: Frank Hopfgartner, Benjamin Kille, Andreas Lommatzsch, Till Plumbaum, Torben Brodt, Tobias Heintz
2014

News Visualization based on Semantic Knowledge

Authors: Sebastian Arnold, Damian Burke, Tobias Dörsch, Bernd Loeber, Andreas Lommatzsch
2014

Comparative Evaluation of Recommendation Systems for Digital Media

Authors: Domonkos Tikk, Roberto Turrin, Martha Larson, David Zibriczky, Davide Malagoli, Alan Said, Andreas Lommatzsch, Sandor Szeely
2014

Real-Time News Recommendations using Context-aware Ensembles

Authors: Andreas Lommatzsch, Sahin Albayrak
2014
2013

An Adaptive Hybrid Movie Recommender based on Semantic Data

Authors: Andreas Lommatzsch, Benjamin Kille, Jae Won Kim, Sahin Albayrak
2013

A Framework for Learning and Analyzing Hybrid Recommenders based on Heterogeneous Semantic Data

Authors: Andreas Lommatzsch, Benjamin Kille, Sahin Albayrak
2013

Learning Hybrid Recommender Models for Heterogeneous Semantic Data

Authors: Andreas Lommatzsch, Benjamin Kille, Sahin Albayrak
2013

An Agent-based Movie Recommender System Combining the Results Computed based on Heterogeneous Semantic Datasets

Authors: Andreas Lommatzsch, Benjamin Kille, Sahin Albayrak
2013

Workshop and Challenge on News Recommender Systems

Authors: Mozhgan Tavakolifard, Jon Atle Gulla, Kevin C. Almeroth, Frank Hopfgartner, Benjamin Kille, Till Plumbaum, Andreas Lommatzsch, Torben Brodt, Arthur Bucko, Tobias Heintz
2013

International News Recommender Systems Workshop and Challenge (NRS)

Authors: Jon Atle Gulla, Kevin C. Almeroth, Mozhgan Tavakolifard, Frank Hopfgartner, Till Plumbaum, Benjamin Kille, Andreas Lommatzsch, Torben Brodt, Arthur Bucko, Tobias Heintz
2013
2012

Correlating Perception-Oriented Aspects in User-Centric Recommender System Evaluation

Authors: Alan Said, Brijnesh Jain, Andreas Lommatzsch, Sahin Albayrak
2012

SERUM: Collecting Semantic User Behavior for Improved News Recommendations

Authors: Till Plumbaum, Andreas Lommatzsch, Ernesto William De Luca, Sahin Albayrak
2012
2011

A linked dataverse knows better: Boosting recommendation quality using semantic knowledge

Authors: Andreas Lommatzsch, Till Plumbaum, Sahin Albayrak
2011

Performance Measures for Multi-Graded Relevance

Authors: Christian Scheel, Andreas Lommatzsch, Sahin Albayrak
2011

Pattern Recognition and Classification for Multivariate Time Series

Authors: Stephan Spiegel, Julia Gäbler, Andreas Lommatzsch, Ernesto William De Luca, Sahin Albayrak
2011

Whitepaper Semantic Engine

Authors: Andreas Lommatzsch, Jérôme Kunegis, Torsten Schmidt, Stefan Marx
2011

An Architecture for Smart Semantic Recommender Applications

Authors: Andreas Lommatzsch, Till Plumbaum, Sahin Albayrak
2011

SERUM: Collecting Semantic User Behavior for Improved News Recommendations

Authors: Till Plumbaum, Andreas Lommatzsch, Ernesto William De Luca, Sahin Albayrak
2011
2010

Einsatz von intelligenten Agenten-Ensembles im Produktentstehungsprozess: Automatisches Zuordnen von Bauteilen zu Montagezonen bei der Prototypenmontage

Authors: Andreas Lommatzsch, Till Plumbaum, Christian Sauer, Sahin Albayrak
2010

Spectral Analysis of Signed Graphs for Clustering, Prediction and Visualization

Authors: Jérôme Kunegis, Stephan Schmidt, Andreas Lommatzsch, Jürgen Lerner, Ernesto William De Luca, Sahin Albayrak
2010

Named Entity Disambiguation for German News Articles

Authors: Andreas Lommatzsch, Danuta Ploch, Ernesto William De Luca, Sahin Albayrak
2010

Adaptive Music News Recommendations based on Large Semantic Datasets

Authors: Till Plumbaum, Andreas Lommatzsch, Stefan Rudnitzki, Ernesto William De Luca, Holger Düwiger, Sahin Albayrak
2010
2009

Eine offene Architektur für die agentenbasierte, adaptive, personalisierte Informationsfilterung

Author: Andreas Lommatzsch
2009

Profile-based Recommendation of and by Domain Experts supporting web 2.0 Community Paradigms

Authors: Gerald Eichler, Andreas Lommatzsch
2009

From Community towards Enterprise – a taxonomy-based search for experts

Authors: Gerald Eichler, Andreas Lommatzsch, Thomas Strecker, Danuta Ploch, Conny Strecker, Robert Wetzker
2009

Learning Spectral Graph Transformations for Link Prediction

Authors: Jérôme Kunegis, Andreas Lommatzsch
2009

The Slashdot Zoo: Mining a Social Network with Negative Edges

Authors: Jérôme Kunegis, Andreas Lommatzsch, Christian Bauckhage
2009
2008

Alternative Similarity Functions for Graph Kernels

Authors: Jérôme Kunegis, Andreas Lommatzsch, Christian Bauckhage
2008

On the Scalability of Graph Kernels Applied to Collaborative Recommenders

Authors: Jérôme Kunegis, Andreas Lommatzsch, Sahin Albayrak, Christian Bauckhage
2008

Feed Distillation Using AdaBoost and Topic Maps

Authors: Wai-Lung Lee, Andreas Lommatzsch, Christian Scheel
2008
2007

Efficient Query Delegation by Detecting Redundant Retrieval Strategies

Authors: Christian Scheel, Nicolas Neubauer, Andreas Lommatzsch, Klaus Obermayer, Sahin Albayrak
2007

Using Multi-Agent Systems for Learning optimal Policies for complex Problems

Authors: Andreas Lommatzsch, Sahin Albayrak
2007

Assessing the Value of Unrated Items in Collaborative Filtering

Authors: Jérôme Kunegis, Andreas Lommatzsch, Martin Mehlitz
2007

Agent Technology for Personalized Information Filtering: The PIA System

Authors: Sahin Albayrak, Stefan Wollny, Andreas Lommatzsch, Dragan Milosevic
2007

A Multi-Agent Framework for Personalized Information Filtering

Authors: Andreas Lommatzsch, Martin Mehlitz, Jérôme Kunegis
2007

Agent Technology for Personalized Information Filtering: The PIA-System

Authors: Sahin Albayrak, Stefan Wollny, Andreas Lommatzsch, Dragan Milosevic
2007
2006

Ein gradualisiertes Communitymodell zur Bildung wissenschaftlicher Gemeinschaften

Authors: Michael Hahne, Corinna Jung, Jérôme Kunegis, Andreas Lommatzsch, André Paus
2006
2005

Agent Technology for Personalized Information Filtering: The PIA-System

Authors: Sahin Albayrak, Stefan Wollny, Nicolas Varone, Andreas Lommatzsch, Dragan Milosevic
2005
All DAI Publications