Philipp Schaer

According to our database, Philipp Schaer authored at least 81 papers between 2010 and 2024.

Collaborative distances:

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

2024

Context-Driven Interactive Query Simulations Based on Generative Large Language Models.

Björn Engelmann, Timo Breuer, Jana Isabelle Friese, Philipp Schaer, Norbert Fuhr

Proceedings of the Advances in Information Retrieval, 2024

2023

Report on the Dagstuhl Seminar on Frontiers of Information Access Experimentation for Research and Education.

Christine Bauer, Ben Carterette, Nicola Ferro, Norbert Fuhr, Joeran Beel, Timo Breuer, Charles L. A. Clarke, Anita Crescenzi, Gianluca Demartini, Giorgio Maria Di Nunzio, Laura Dietz, Guglielmo Faggioli, Bruce Ferwerda, Maik Fröbe, Matthias Hagen, Allan Hanbury, Claudia Hauff, Dietmar Jannach, Noriko Kando, Evangelos Kanoulas, Bart P. Knijnenburg, Udo Kruschwitz, Meijie Li, Maria Maistro, Lien Michiels, Andrea Papenmeier, Martin Potthast, Paolo Rosso, Alan Said, Philipp Schaer, Christin Seifert, Damiano Spina, Benno Stein, Nava Tintarev, Julián Urbano, Henning Wachsmuth, Martijn C. Willemsen, Justin Zobel

SIGIR Forum, June, 2023

An in-depth investigation on the behavior of measures to quantify reproducibility.

Maria Maistro, Timo Breuer, Philipp Schaer, Nicola Ferro

Inf. Process. Manag., May, 2023

Q_bias - A Dataset on Media Bias in Search Queries and Query Suggestions.

Fabian Haak, Philipp Schaer

CoRR, 2023

Validating Synthetic Usage Data in Living Lab Environments.

Timo Breuer, Norbert Fuhr, Philipp Schaer

CoRR, 2023

ConvGenVisMo: Evaluation of Conversational Generative Vision Models.

Narjes Nikzad-Khasmakhi, Meysam Asgari-Chenaghlu, Nabiha Asghar, Philipp Schaer, Dietlind Zühlke

CoRR, 2023

Qbias - A Dataset on Media Bias in Search Queries and Query Suggestions.

Fabian Haak, Philipp Schaer

Proceedings of the 15th ACM Web Science Conference 2023, 2023

Preliminary Results of a Scientometric Analysis of the German Information Retrieval Community 2020-2023.

Philipp Schaer, Svetlana Myshkina, Jüri Keller

Proceedings of the Lernen, 2023

Capturing Stability of Information Needs in Digital Libraries.

Christin Katharina Kreutz, Philipp Schaer, Ralf Schenkel

Proceedings of the ACM/IEEE Joint Conference on Digital Libraries, 2023

Evaluating Digital Library Search Systems by Using Formal Process Modelling.

Christin Katharina Kreutz, Martin Blum, Philipp Schaer, Ralf Schenkel, Benjamin Weyers

Proceedings of the ACM/IEEE Joint Conference on Digital Libraries, 2023

Bibliometric Data Fusion for Biomedical Information Retrieval.

Timo Breuer, Christin Katharina Kreutz, Philipp Schaer, Dirk Tunger

Proceedings of the ACM/IEEE Joint Conference on Digital Libraries, 2023

Evaluating Temporal Persistence Using Replicability Measures.

Jüri Keller, Timo Breuer, Philipp Schaer

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), 2023

Text Simplification of Scientific Texts for Non-Expert Readers.

Björn Engelmann, Fabian Haak, Christin Katharina Kreutz, Narjes Nikzad-Khasmakhi, Philipp Schaer

Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), 2023

Simulating Users in Interactive Web Table Retrieval.

Björn Engelmann, Timo Breuer, Philipp Schaer

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, 2023

Automated Statement Extraction from Press Briefings.

Jüri Keller, Meik Bittkowski, Philipp Schaer

Proceedings of the Datenbanksysteme für Business, 2023

Reliable Rules for Relation Extraction in a Multimodal Setting.

Björn Engelmann, Philipp Schaer

Proceedings of the Datenbanksysteme für Business, 2023

2022

Relevance assessments, bibliometrics, and altmetrics: a quantitative study on PubMed and arXiv.

Timo Breuer, Philipp Schaer, Dirk Tunger

Scientometrics, 2022

Online Information Retrieval Evaluation using the STELLA Framework.

Timo Breuer, Narges Tavakolpoursaleh, Johann Schaible, Daniel Hienert, Philipp Schaer, Leyla Jael Castro

CoRR, 2022

Auditing Search Query Suggestion Bias Through Recursive Algorithm Interrogation.

Fabian Haak, Philipp Schaer

Proceedings of the WebSci '22: 14th ACM Web Science Conference 2022, Barcelona, Spain, June 26, 2022

ir_metadata: An Extensible Metadata Schema for IR Experiments.

Timo Breuer, Jüri Keller, Philipp Schaer

Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Validating Simulations of User Query Variants.

Timo Breuer, Norbert Fuhr, Philipp Schaer

Proceedings of the Advances in Information Retrieval, 2022

2021

Erratum zu: Editorial.

Philipp Schaer, Klaus Berberich, Theo Härder

Datenbank-Spektrum, 2021

IRCologne at TREC 2021 News Track Relation-based re-ranking for background linking.

Björn Engelmann, Philipp Schaer

Proceedings of the Thirtieth Text REtrieval Conference, 2021

A Living Lab Architecture for Reproducible Shared Task Experimentation.

Timo Breuer, Philipp Schaer

Proceedings of the Information between Data and Knowledge: Information Science and its Neighbors from Data Science to Digital Humanities, 2021

Living Lab Evaluation for Life and Social Sciences Search Platforms - LiLAS at CLEF 2021.

Philipp Schaer, Johann Schaible, Leyla Jael Castro

Proceedings of the Advances in Information Retrieval, 2021

repro_eval: A Python Interface to Reproducibility Measures of System-Oriented IR Experiments.

Timo Breuer, Nicola Ferro, Maria Maistro, Philipp Schaer

Proceedings of the Advances in Information Retrieval, 2021

Overview of LiLAS 2021 - Living Labs for Academic Search.

Philipp Schaer, Timo Breuer, Leyla Jael Castro, Benjamin Wolff, Johann Schaible, Narges Tavakolpoursaleh

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2021

Overview of LiLAS 2021 - Living Labs for Academic Search (Extended Overview).

Philipp Schaer, Timo Breuer, Leyla Jael Castro, Benjamin Wolff, Johann Schaible, Narges Tavakolpoursaleh

Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to, 2021

Evaluating Elements of Web-Based Data Enrichment for Pseudo-relevance Feedback Retrieval.

Timo Breuer, Melanie Pest, Philipp Schaer

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2021

Perception-Aware Bias Detection for Query Suggestions.

Fabian Haak, Philipp Schaer

Proceedings of the Advances in Bias and Fairness in Information Retrieval, 2021

2020

An investigation of biases in web search engine query suggestions.

Malte Bonart, Anastasiia Samokhina, Gernot Heisenberg, Philipp Schaer

Online Inf. Rev., 2020

Evaluation Infrastructures for Academic Shared Tasks.

Johann Schaible, Timo Breuer, Narges Tavakolpoursaleh, Bernd Müller, Benjamin Wolff, Philipp Schaer

Datenbank-Spektrum, 2020

Editorial.

Philipp Schaer, Klaus Berberich, Theo Härder

Datenbank-Spektrum, 2020

How to Measure the Reproducibility of System-oriented IR Experiments.

Timo Breuer, Nicola Ferro, Norbert Fuhr, Maria Maistro, Tetsuya Sakai, Philipp Schaer, Ian Soboroff

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, 2020

Living Labs for Academic Search at CLEF 2020.

Philipp Schaer, Johann Schaible, Bernd Müller

Proceedings of the Advances in Information Retrieval, 2020

Overview of LiLAS 2020 - Living Labs for Academic Search Workshop Lab (extended abstract).

Philipp Schaer, Johann Schaible, Leyla Jael García Castro

Proceedings of the Working Notes of CLEF 2020, 2020

Overview of LiLAS 2020 - Living Labs for Academic Search.

Philipp Schaer, Johann Schaible, Leyla Jael García Castro

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2020

Conference Indexing in Digital Libraries: A Ranking Model and Case Study on dblp.

Christopher Michels, Mandy Neumann, Philipp Schaer, Ralf Schenkel

Proceedings of the 10th International Workshop on Bibliometric-enhanced Information Retrieval co-located with 42nd European Conference on Information Retrieval, 2020

Relations Between Relevance Assessments, Bibliometrics and Altmetrics.

Timo Breuer, Philipp Schaer, Dirk Tunger

Proceedings of the 10th International Workshop on Bibliometric-enhanced Information Retrieval co-located with 42nd European Conference on Information Retrieval, 2020

2019

STELLA: Towards a Framework for the Reproducibility of Online Search Experiments.

Timo Breuer, Philipp Schaer, Narges Tavakolpoursaleh, Johann Schaible, Benjamin Wolff, Bernd Müller

Proceedings of the Open-Source IR Replicability Challenge co-located with 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Dockerizing Automatic Routing Runs for The Open-Source IR Replicability Challenge (OSIRRC 2019).

Timo Breuer, Philipp Schaer

Proceedings of the Open-Source IR Replicability Challenge co-located with 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Information Extraction for Semi-structured Email Corpora.

Hendrik Adam, Philipp Schaer

Proceedings of the Conference on "Lernen, Wissen, Daten, Analysen", Berlin, Germany, September 30, 2019

Computational Methods in Professional Communication.

André Calero Valdez, Lena Adam, Dennis Assenmacher, Laura Burbach, Malte Bonart, Lena Frischlich, Philipp Schaer

Proceedings of the IEEE International Professional Communication Conference, 2019

Replicability and Reproducibility of Automatic Routing Runs.

Timo Breuer, Philipp Schaer

Proceedings of the Working Notes of CLEF 2019, 2019

2018

Intertemporal Connections Between Query Suggestions and Search Engine Results for Politics Related Queries.

Malte Bonart, Philipp Schaer

CoRR, 2018

Towards an IR Test Collection for the German National Library.

Johanna Munkelt, Philipp Schaer, Klaus Lepsky

Proceedings of the Conference "Lernen, Wissen, Daten, Analysen", 2018

Prioritizing and Scheduling Conferences for Metadata Harvesting in dblp.

Mandy Neumann, Christopher Michels, Philipp Schaer, Ralf Schenkel

Proceedings of the 18th ACM/IEEE on Joint Conference on Digital Libraries, 2018

2017

Living Labs - An Ethical Challenge for Researchers and Platform Providers.

Philipp Schaer

CoRR, 2017

IR-Cologne at TREC 2017 OpenSearch Track: Rerunning Popularity Ranking Experiments in a Living Lab.

Narges Tavakolpoursaleh, Mandy Neumann, Philipp Schaer

Proceedings of The Twenty-Sixth Text REtrieval Conference, 2017

Overview of TREC OpenSearch 2017.

Rolf Jagerman, Krisztian Balog, Philipp Schaer, Johann Schaible, Narges Tavakolpoursaleh, Maarten de Rijke

Proceedings of The Twenty-Sixth Text REtrieval Conference, 2017

Enriching Existing Test Collections with OXPath.

Philipp Schaer, Mandy Neumann

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2017

2016

A System for Probabilistic Linking of Thesauri and Classification Systems.

Lisa Posch, Philipp Schaer, Arnim Bleier, Markus Strohmaier

Künstliche Intell., 2016

Popularity Ranking for Scientific Literature Using the Characteristic Scores and Scale Method.

Philipp Schaer, Narges Tavakolpoursaleh

Proceedings of The Twenty-Fifth Text REtrieval Conference, 2016

Ideas for a Standard LL4IR Extension - Living Labs from a System Operator's Perspective.

Philipp Schaer, Narges Tavakolpoursaleh

Proceedings of the Working Notes of CLEF 2016, 2016

How Relevant is the Long Tail? - A Relevance Assessment Study on Million Short.

Philipp Schaer, Philipp Mayr, Sebastian Sünkler, Dirk Lewandowski

Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2016

2015

The Polylingual Labeled Topic Model.

Lisa Posch, Arnim Bleier, Philipp Schaer, Markus Strohmaier

Proceedings of the KI 2015: Advances in Artificial Intelligence, 2015

Query Expansion for Survey Question Retrieval in the Social Sciences.

Nadine Dulisch, Andreas Oskar Kempf, Philipp Schaer

Proceedings of the Research and Advanced Technology for Digital Libraries, 2015

Historical Clicks for Product Search: GESIS at CLEF LL4IR 2015.

Philipp Schaer, Narges Tavakolpoursaleh

Proceedings of the Working Notes of CLEF 2015, 2015

2014

Editorial for the Bibliometric-enhanced Information Retrieval Workshop at ECIR 2014.

Philipp Mayr, Philipp Schaer, Andrea Scharnhorst, Peter Mutschke

CoRR, 2014

Bibliometric-Enhanced Information Retrieval.

Philipp Mayr, Andrea Scharnhorst, Birger Larsen, Philipp Schaer, Peter Mutschke

Proceedings of the Advances in Information Retrieval, 2014

On the Connection Between Citation-based and Topical Relevance Ranking: Results of a Pretest using iSearch.

Zeljko Carevic, Philipp Schaer

Proceedings of the First Workshop on Bibliometric-enhanced Information Retrieval co-located with 36th European Conference on Information Retrieval (ECIR 2014), 2014

2013

Der Nutzen informetrischer Analysen und nicht-textueller Dokumentattribute für das Information Retrieval in digitalen Bibliotheken.

Philipp Schaer

PhD thesis, 2013

Performing Informetric Analysis on Information Retrieval Test Collections: Preliminary Experiments in the Physics Domain.

Tamara Heck, Philipp Schaer

CoRR, 2013

A framework for specific term recommendation systems.

Thomas Lüke, Philipp Schaer, Philipp Mayr

Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

An OAI-PMH-based Web Service for the Generation of Co-Author Networks.

Philipp Schaer, Thomas Lüke, Philipp Mayr, Peter Mutschke

Proceedings of the Informationswissenschaft zwischen virtueller Infrastruktur und materiellen Lebenswelten. Proceedings des 13. Internationalen Symposiums für Informationswissenschaft, 2013

2012

Building Custom Term Suggestion Web Services with OAI-Harvested Open Data

Philipp Schaer, Thomas Lüke, Wilko van Hoek

CoRR, 2012

Extending Term Suggestion with Author Names.

Philipp Schaer, Philipp Mayr, Thomas Lüke

Proceedings of the Theory and Practice of Digital Libraries, 2012

Improving Retrieval Results with Discipline-Specific Query Expansion.

Thomas Lüke, Philipp Schaer, Philipp Mayr

Proceedings of the Theory and Practice of Digital Libraries, 2012

Integrating Interactive Visualizations in the Search Process of Digital Libraries and IR Systems.

Daniel Hienert, Frank Sawitzki, Philipp Schaer, Philipp Mayr

Proceedings of the Advances in Information Retrieval, 2012

Dealing with Sparse Document and Topic Representations: Lab Report for CHiC 2012.

Philipp Schaer, Daniel Hienert, Frank Sawitzki, Andias Wira-Alam, Thomas Lüke

Proceedings of the CLEF 2012 Evaluation Labs and Workshop, 2012

Better than Their Reputation? On the Reliability of Relevance Assessments with Students.

Philipp Schaer

Proceedings of the Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics, 2012

2011

Science models as value-added services for scholarly information systems.

Peter Mutschke, Philipp Mayr, Philipp Schaer, York Sure

Scientometrics, 2011

Using Lotkaian Informetrics for Ranking in Digital Libraries

Philipp Schaer

CoRR, 2011

A Science Model Driven Retrieval Prototype

Philipp Mayr, Philipp Schaer, Peter Mutschke

CoRR, 2011

Vizgr: Linking Data in Visualizations.

Daniel Hienert, Benjamin Zapilko, Philipp Schaer, Brigitte Mathiak

Proceedings of the Web Information Systems and Technologies - 7th International Conference, 2011

Vizgr - Combining Data on a Visual Level.

Daniel Hienert, Benjamin Zapilko, Philipp Schaer, Brigitte Mathiak

Proceedings of the WEBIST 2011, 2011

Applying Science Models for Search.

Philipp Mayr, Peter Mutschke, Vivien Petras, Philipp Schaer, York Sure

Proceedings of the Information und Wissen: global, 2011

A Novel Combined Term Suggestion Service for Domain-Specific Digital Libraries.

Daniel Hienert, Philipp Schaer, Johann Schaible, Philipp Mayr

Proceedings of the Research and Advanced Technology for Digital Libraries, 2011

Web-based multi-view visualizations for aggregated statistics.

Daniel Hienert, Benjamin Zapilko, Philipp Schaer, Brigitte Mathiak

Proceedings of the 5th International Workshop on Web APIs and Service Mashups, 2011

2010

Implications of Inter-Rater Agreement on a Student Information Retrieval Evaluation.

Philipp Schaer, Philipp Mayr, Peter Mutschke

Proceedings of the LWA 2010, 2010

Demonstrating a service-enhanced retrieval system.

Philipp Schaer, Philipp Mayr, Peter Mutschke

Proceedings of the Navigating Streams in an Information Ecosystem, 2010