Team

Andreas Lommatzsch

Dr.-Ing.
Andreas LommatzschTelefon - Andreas Lommatzsch +49 30 - 314-74071
E-Mail - Andreas Lommatzsch E-Mail
 

Forschungsschwerpunkte

Verteilte Systeme, Agenten, SOA
Ensemble Learning, Bagging, Stacking, Boosting
Maschinelles Lernen, Klassifikation, Neuronale Netze
Semantische Informationsverarbeitung, Graph-basierte Modelle

Aktuelle Projektbeteiligung

EPEN
Learning Semantic Recommenders
PIA
SemanticMovie
SemanticSearch

Lehrveranstaltungen

SE - Advances in Semantic Search
IV - Semantic Search

Publikationen

2016

Towards reproducibility in recommender-systems research
Joeran Beel, Corinna Breitinger, Stefan Langer, Andreas Lommatzsch, Bela Gipp
In: User Modeling and User-Adapted Interaction (UMAI); 2016

Benchmarking News Recommendations: The CLEF NewsREEL Use Case
Frank Hopfgartner,Torben Brodt, Jonas Seiler, Benjamin Kille, Andreas Lommatzsch, Martha Larson, Roberto Turrin, Andras Sereny
In: SIGIR Forum; 2016

Get on with it! - Recommender system industry challenges move towards real-world, online evaluation
Andreas Lommatzsch, Jonas Seiler, and Daniel Kohlsdorf
In: Presentation @ ECIR2016 Industry Day, Padua, Italy, March 23rd, 2016; 2016

Topic Tracking in News Streams using Latent Factor Models
Jens Meiners, Andreas Lommatzsch
In: 16th International Conference on Innovations for Community Services, Vienna, Austria; 2016

An Advanced Press Review System Combining Deep News Analysis and Machine Learning Algorithms
Danuta Ploch, Andreas Lommatzsch, Florian Schultze
In: Proc.of the 54th Annual Meeting of the Association for Computational Linguistics; 2016

Development of a News Recommender System based on Apache Flink
Alexandru Ciobanu, Andreas Lommatzsch
In: Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

Recommender Ensembles for News Articles based on Most-Popular Strategies
Andreas Lommatzsch, Niels Johannes, Jens Meiners, Lea Helmers, Jaschar Domann
In: Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

Development and Evaluation of a Scalable News Recommender System
Patrick Probst, Andreas Lommatzsch
In: In Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

Clicks Pattern Analysis for Online News Recommendation Systems
Jing Yuan, Andreas Lommatzsch, Benjamin Kille
In: In Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

Real-time News Recommendations using Apache Spark
Jaschar Domann, Jens Meiners, Lea Helmers, Andreas Lommatzsch
In: In Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

CLEF NewsREEL 2016: Comparing Multi-dimensional Offline and Online Evaluation of News Recommender Systems
Benjamin Kille, Andreas Lommatzsch, Frank Hopfgartner, Martha Larson, Jonas Seiler, Davide Malagoli, Andras Sereny, Torben Brodt
In: In Working Notes of CLEF 2016, Evora, Portugal, September 5-8, 2016, CEUR Workshop Proceedings Vol-1609; 2016

Overview of NewsREEL'16: Multi-dimensional Evaluation of Real-Time Stream-Recommendation Algorithms
Benjamin Kille, Andreas Lommatzsch, Gebrekirstos Gebremeskel, Frank Hopfgartner, Martha Larson, Jonas Seiler, Davide Malagoli, Andras Sereny, Torben Brodt, Arjen de Vries
In: 7th Intl. Conf. of the CLEF Assosiation, 2016, Evora, France, September 5-8, 2016; 2016

Topical Semantic Recommendations for Auteur Films
Christian Rakow, Andreas Lommatzsch, and Till Plumbaum
In: RecSys '16, September 15-19, 2016, Boston, MA, USA; 2016

Idomaar: A Framework for Multi-dimensional Benchmarking of Recommender Algorithms
Mario Scriminaci, Andreas Lommatzsch, Benjamin Kille, Frank Hopfgartner, Martha Larson, Davide Malagoli, Andras Sereny
In: RecSys 2016 - 10th ACM Conference on Recommender Systems, Boston, MA, USA, 15th-19th September 2016; 2016

Algorithms Aside: Recommendation as the Lens of Life
Tamas Motajcsek, Jean-Yves Le Moine, Paolo Cremonesi, Kristaps Dobrajs, Frank Hopfgartner, Franca Garzotto, Ayşe Göker, Daniel Kohlsdorf, Andrew Demetriou, Martha Larson, Andreas Lommatzsch, Davide Malagoli, Ngoc Nguyen Thuy, Jasminko Novak, et al.
In: RecSys 2016 - 10th ACM Conference on Recommender Systems, Boston, MA, USA, 15th-19th September 2016; 2016

Topical Video-On-Demand Recommendations based on Event Detection
Tobias Dörsch, Andreas Lommatzsch, Christian Rakow
In: LWDA conference 2016 - Lernen, Wissen, Daten, Analysen (LWDA), Potsdam, Germany, September 12-14, 2016; 2016

An Interactive e-Government Question Answering System
Malte Schwarzer, Jonas Düver, Danuta Ploch, Andreas Lommatzsch
In: LWDA 2016 conference - Lernen, Wissen, Daten, Analysen (LWDA), Potsdam, Germany, September 12-14, 2016; 2016

Applying Topic Model in Context-Aware TV Programs Recommendation
Jing Yuan, Andreas Lommatzsch, Mu Mu
In: The Conference Lernen, Wissen, Daten, Analysen (LWDA) , Track Knowledge Discovery, Data Mining and Machine Learning (KDML), 12-14 Sept. Potsdam, Germany 2016; 2016

The News Recommendation Evaluation Lab - Online evaluation of recommender systems
Andreas Lommatzsch
In: Presentation @ 6th RecSys:NL Meetup (2016/09/28); 2016

Contextual Factors Involvement for Score Modeling under LambdaRank in Recommender Systems
Jing Yuan, Andreas Lommatzsch, Sahin Albayrak
In: Workshop Women in Machine Learning (WiML), in conjunction with Neural Information Processing Systems (NIPS) , 4th-5th December, 2016; 2016

2015

Real-time Recommendations for User-Item Streams
Andreas Lommatzsch, Sahin Albayrak
In: Proc. of the 30th ACM/SIGAPP Symposium On Applied Computing, Salamanca, Spain (SAC 2015); 2015

Personalized Information Access Using Semantic Knowledge
Till Plumbaum, Andreas Lommatzsch
In: Smart Information Systems - Computational Intelligence for Real-Life Applications, Springer; 2015; 2015

Optimizing and Evaluating Stream-based News Recommendation Algorithms
Andreas Lommatzsch, Sebastian Werner
In: Proc. of the Sixth International Conference of the CLEF Association, CLEF'15, Toulouse, France, 8-11. Sept.; 2015

Stream-Based Recommendations: Online and Offline Evaluation as a Service
Benjamin Kille, Andreas Lommatzsch, Roberto Turrin, Andras Sereny, Martha Larson, Torben Brodt, Jonas Seiler, Frank Hopfgartner
2015

Context-aware LDA: Balancing Relevance and Diversity in TV Content Recommenders
Jing Yuan, Fikret Sivrikaya, Frank Hopfgartner, Andreas Lommatzsch, Mu Mu
In: Workshop RecsysTV, in conjunction with RecSys 2015, 19th Sept. Vienna, Austria; 2015

Development and Evaluation of a Highly Scalable News Recommender System
Ilya Verbitskiy, Patrick Probst, Andreas Lommatzsch
In: Working Notes of CLEF 2015 - Conference and Labs of the Evaluation forum, Toulouse, France, September 8-11, 2015; 2015

Predicting GEMS Based on PDA-Assessed Gestural Motion Data
Melanie Irrgang, Hauke Egermann, Esra Acar Celik, Andreas Lommatzsch
In: 11th International Symposium on Computer Music Multidisciplinary Research (CMMR), Plymouth, UK , 16-19 June 2015.; 2015

Overview of CLEF NewsREEL 2015: News Recommendation Evaluation Lab
Benjamin Kille, Andreas Lommatzsch, Roberto Turrin, Andras Sereny, Martha Larson, Torben Brodt, Jonas Seiler, Frank Hopfgartner
In: Working Notes for the CLEF 2015 Conference; 2015

Sentiment Analysis with Machine Learning Algorithms on German News Articles
Florian Bütow, Florian Schultze, Leopold Strauch, Danuta Ploch, Andreas Lommatzsch
2015

2014

Real-Time News Recommendations using Context-aware Ensembles
Andreas Lommatzsch, Sahin Albayrak
In: ECIR 2014, Amsterdam; 2014

Comparative Evaluation of Recommendation Systems for Digital Media
Domonkos Tikk, Roberto Turrin, Martha Larson, David Zibriczky, Davide Malagoli, Alan Said, Andreas Lommatzsch, Sandor Szeely
2014

News Visualization based on Semantic Knowledge
Sebastian Arnold, Damian Burke, Tobias Dörsch, Bernd Loeber, Andreas Lommatzsch
In: ISWC 2014 - International Semantic Web Conference, October 19-23, 2014, Riva del Garda, Trentino, Italy; 2014

Benchmarking News Recommendations in a Living Lab
Frank Hopfgartner, Benjamin Kille, Andreas Lommatzsch, Till Plumbaum, Torben Brodt, Tobias Heintz
In: CLEF'14: Proceedings of the 5th International Conference of the CLEF Initiative; 2014

Overview of CLEF NEWSREEL 2014: News Recommendations Evaluation Labs
Benjamin Kille, Torben Brodt, Tobias Heintz, Frank Hopfgartner, Andreas Lommatzsch, Jonas Seiler
In: CLEF 2014 Evaluation Labs and Workshop; 2014

Optimizing and Evaluating Stream-based News Recommendation Algorithms
Sebastian Werner, Andreas Lommatzsch
In: CLEF 2014; 2014

An analysis of the 2014 RecSys Challenge
Daniele Loiacono, Andreas Lommatzsch, and Roberto Turrin
In: Proceedings of the 2014 Recommender Systems Challenge; 2014

An Extended Data Model Format for Composite Recommendation
Alan Said, Babak Loni, Roberto Turrin, Andreas Lommatzsch
In: Proceedings of the 8th RecSys conference 2014; 2014

2013

Learning Hybrid Recommender Models for Heterogeneous Semantic Data
Andreas Lommatzsch, Benjamin Kille, Sahin Albayrak
In: ACM SAC'13, March 18-22, 2013, Coimbra, Portugal; 2013

A Framework for Learning and Analyzing Hybrid Recommenders based on Heterogeneous Semantic Data
Andreas Lommatzsch, Benjamin Kille, and Sahin Albayrak
In: OAIR 2013, Lisbon, Portugal; 2013

An Adaptive Hybrid Movie Recommender based on Semantic Data
Andreas Lommatzsch, Benjamin Kille, Jae-Won Kim, and Sahin Albayrak
In: OAIR 2013, Lisbon, Portugal; 2013

An Agent-based Movie Recommender System Combining the Results Computed based on Heterogeneous Semantic Datasets
Andreas Lommatzsch, Benjamin Kille, and Sahin Albayrak
In: I2CS, Hagen, Germany; 2013

International News Recommender Systems Workshop and Challenge (NRS)
Jon Atle Gulla, Kevin C. Almeroth, Mozhgan Tavakolifard, Frank Hopfgartner, Till Plumbaum, Benjamin Kille, Andreas Lommatzsch, Torben Brodt, Arthur Bucko, Tobias Heintz
In: ACM RecSys: Proceedings of the Sventh ACM Conference on Recommender Systems; 2013

Workshop and Challenge on News Recommender Systems
Mozhgan Tavakolifard, Jon Atle Gulla, Kevin C. Almeroth, Frank Hopfgartner, Benjamin Kille, Till Plumbaum, Andreas Lommatzsch, Torben Brodt, Arthur Bucko, Tobias Heintz
In: RecSys'13: Proceedings of the ACM Conference Series on Recommender Systems, pages 481-482. ACM; 2013

2012

SERUM: Collecting Semantic User Behavior for Improved News Recommendations
Till Plumbaum,Andreas Lommatzsch,Ernesto De Luca, Sahin Albayrak
In: Advances in User Modeling; 2012

Correlating Perception-Oriented Aspects in User-Centric Recommender System Evaluation
Alan Said, Brijnesh Johannes Jain, Andreas Lommatzsch, Sahin Albayrak
In: Proceedings of the Fourth Information Interaction in Context Symposium (IIiX'12); 2012

2011

An Architecture for Smart Semantic Recommender Applications
Andreas Lommatzsch, Till Plumbaum, Sahin Albayrak
In: 11th International Conference on Innovative Internet Community Systems, Berlin; 2011

SERUM: Collecting Semantic User Behavior for Improved News Recommendations
Till Plumbaum, Andreas Lommatzsch, Ernesto William De Luca, Sahin Albayrak
In: UMAP 2011, Poster and Demo Session; 2011; 2011

Pattern Recognition and Classification for Multivariate Time Series
Stephan Spiegel, Julia Gaebler, Andreas Lommatzsch, Ernesto De Luca, Sahin Albayrak
In: KDD-2011: Proceeding of ACM International Workshop on Knowledge Discovery from Sensor Data (SensorKDD-2011), San Diego, CA, USA; 2011

Whitepaper Semantic Engine
Andreas Lommatzsch, Jérôme Kunegis, Torsten Schmidt, Stefan Marx
In: DAI-Labor, TU-Berlin; 2011

Performance Measures for Multi-Graded Relevance
Christian Scheel, Andreas Lommatzsch, Sahin Albayrak
In: 2nd Workshop on Semantic Personalized Information Management: Retrieval and Recommendation, Bonn, Germany, October 24, 2011; 2011

A linked dataverse knows better: Boosting recommendation quality using semantic knowledge
Andreas Lommatzsch, Till Plumbaum, and Sahin Albayrak
In: 5th International Conference on Advances in Semantic Processing, Lisbon, Portugal, November 20-25, 2011; 2011

2010

Spectral Analysis of Signed Graphs for Clustering, Prediction and Visualization
Jérôme Kunegis, Stephan Schmidt, Andreas Lommatzsch, Jürgen Lerner, Ernesto W. De Luca, Sahin Albayrak
In: Proc. SIAM Int. Conf. on Data Mining; 2010

Einsatz von intelligenten Agenten-Ensembles im Produktentstehungsprozess: Automatisches Zuordnen von Bauteilen zu Montagezonen bei der Prototypenmontage
Andreas Lommatzsch, Till Plumbaum, Christian Sauer, Sahin Albayrak
In: VDI Verlag GmbH; 2010

Named Entity Disambiguation for German News Articles
Andreas Lommatzsch, Danuta Ploch, Ernesto William De Luca, Sahin Albayrak
In: LWA 2010 Kassel, Workshop IR; 2010

Adaptive Music News Recommendations based on Large Semantic Datasets
Till Plumbaum, Andreas Lommatzsch, Stefan Rudnitzki, Ernesto William De Luca, Holger Düwiger, Sahin Albayrak
In: WOMRAD 2010 - Workshop on Music Recommendation and Discovery, colocated with ACM RecSys 2010; 2010

2009

The Slashdot Zoo: Mining a Social Network with Negative Edges
Jérôme Kunegis, Andreas Lommatzsch, Christian Bauckhage
In: 18th International World Wide Web Conference; 2009

Learning Spectral Graph Transformations for Link Prediction
Jérôme Kunegis, Andreas Lommatzsch
In: 26th International Conference on Machine Learning; 2009

From Community towards Enterprise - a taxonomy-based search for experts
Gerald Eichler, Andreas Lommatzsch, Thomas Strecker, Danuta Ploch, Conny Strecker, Robert Wetzker
In: In Christian Erfurth, Gerald Eichler, Volkmar Schau (Eds.), Proceeding of the 9th International Conference on Innovative Internet Community Systems I2CS 2009, June 15 - 17, 2009, Jena, Germany; 2009

Profile-based Recommendation of and by Domain Experts supporting web 2.0 Community Paradigms
Gerald Eichler, Andreas Lommatzsch
In: Barcelona; 2009

Eine offene Architektur für die agentenbasierte, adaptive, personalisierte Informationsfilterung
Andreas Lommatzsch
In: Berlin, Techn. Univ., Diss., 2009; 2009

2008

Feed Distillation Using AdaBoost and Topic Maps
Wai-Lung Lee, Andreas Lommatzsch, Christian Scheel
In: The Sixteenth Text REtrieval Conference (TREC 2007); 2008

On the Scalability of Graph Kernels Applied to Collaborative Recommenders
Jérôme Kunegis, Andreas Lommatzsch, Şahin Albayrak, Christian Bauckhage
In: 18th European Conference on Artificial Intelligence (ECAI 2008), Workshop on Recommender Systems; 2008

Alternative Similarity Functions for Graph Kernels
Jérôme Kunegis, Andreas Lommatzsch, Christian Bauckhage
In: 19th International Conference on Pattern Recognition (ICPR 2008); 2008

2007

Agent Technology for Personalized Information Filtering: The PIA-System
Sahin Albayrak, Stefan Wollny, Andreas Lommatzsch, Dragan Milosevic
In: Scalable Computing: Practice and Experience (SCPE), 2007; 2007

Using Multi-Agent Systems for Learning optimal Policies for complex Problems
Andreas Lommatzsch, Sahin Albayrak
In: ACM Southeast 2007 Conference, Winston-Salem, North Carolina, USA, 2007.; 2007

A Multi-Agent Framework for Personalized Information Filtering
Andreas Lommatzsch, Martin Mehlitz, Jérôme Kunegis
In: German E-Science Conference 2007; 2007

Efficient Query Delegation by Detecting Redundant Retrieval Strategies
Christian Scheel, Nicolas Neubauer, Andreas Lommatzsch, Klaus Obermayer, Sahin Albayrak
In: SIGIR 2007 Workshop: Learning to Rank for Information Retrieval; 2007

Agent Technology for Personalized Information Filtering: The PIA System
Sahin Albayrak, Stefan Wollny, Andreas Lommatzsch, Dragan Milosevic
In: Scientific International Journal for Parallel and Distributed Computing (SCPE), Volume 8, Number 1, pp. 29-40, 2007.; 2007

Assessing the Value of Unrated Items in Collaborative Filtering
Jérôme Kunegis, Andreas Lommatzsch, Martin Mehlitz
In: Proceedings of the 2nd International Conference on Digital Information Management; 2007

2006

Ein gradualisiertes Communitymodell zur Bildung wissenschaftlicher Gemeinschaften
Michael Hahne, Corinna Jung, Jérôme Kunegis, Andreas Lommatzsch, André Paus
In: GITO Verlag; 2006

2005

Agent Technology for Personalized Information Filtering: The PIA-System
Sahin Albayrak, Stefan Wollny, Nicolas Varone, Andreas Lommatzsch, Dragan Milosevic
In: The 20th ACM Symposium on Applied Computing, Agents, Interactions, Mobility, and Systems (AIMS) track, Santa Fe, New Mexico, USA, pp. 54-59, 2005.; 2005