1 code implementation • 15 Dec 2023 • Björn Engelmann, Timo Breuer, Jana Isabelle Friese, Philipp Schaer, Norbert Fuhr
The proposed query generation methods build upon recent Large Language Model (LLM) approaches and consider the user's context throughout the simulation of a search session.
no code implementations • 29 Nov 2023 • Fabian Haak, Philipp Schaer
We use $Q_{bias}$ to evaluate different approaches to fine-tuning transformer-based language models with the goal of producing models capable of biasing text with left and right political stance.
no code implementations • 31 Oct 2023 • Philipp Schaer, Johann Schaible, Leyla Jael Garcia Castro
Academic Search is a timeless challenge that the field of Information Retrieval has been dealing with for many years.
1 code implementation • 18 Oct 2023 • Björn Engelmann, Timo Breuer, Philipp Schaer
Our multi-perspective evaluation scheme reveals new insights about query strategies, the impact of modalities, and different user types in simulated WTR search sessions.
1 code implementation • 11 Oct 2023 • Timo Breuer, Norbert Fuhr, Philipp Schaer
Our setup is entirely open, and we share the code to reproduce the experiments.
1 code implementation • 11 Oct 2023 • Philipp Schaer, Svetlana Myshkina, Jüri Keller
The German Information Retrieval community is located in two different sub-fields: Information and computer science.
no code implementations • 5 Oct 2023 • Philipp Schaer, Johann Schaible, Leyla Jael Castro
Meta-evaluation studies of system performances in controlled offline evaluation campaigns, like TREC and CLEF, show a need for innovation in evaluating IR-systems.
no code implementations • 21 Aug 2023 • Jüri Keller, Timo Breuer, Philipp Schaer
As a result, we quantify the persistence of the submitted runs and see great potential in this evaluation method.
no code implementations • 7 Jul 2023 • Björn Engelmann, Fabian Haak, Christin Katharina Kreutz, Narjes Nikzad Khasmakhi, Philipp Schaer
Text simplification is the task of rephrasing a text to better cater to the abilities of a specific target reader group.
1 code implementation • 28 May 2023 • Narjes Nikzad Khasmakhi, Meysam Asgari-Chenaghlu, Nabiha Asghar, Philipp Schaer, Dietlind Zühlke
Conversational generative vision models (CGVMs) like Visual ChatGPT (Wu et al., 2023) have recently emerged from the synthesis of computer vision and natural language processing techniques.
1 code implementation • 23 Feb 2023 • Jüri Keller, Meik Bittkowski, Philipp Schaer
The results indicate that claim detection can be used to identify statements in press briefings.
no code implementations • 24 Oct 2022 • Timo Breuer, Narges Tavakolpoursaleh, Johann Schaible, Daniel Hienert, Philipp Schaer, Leyla Jael Castro
Involving users in early phases of software development has become a common strategy as it enables developers to consider user needs from the beginning.
1 code implementation • 18 Jul 2022 • Timo Breuer, Jüri Keller, Philipp Schaer
Additionally, we curate a dataset with run files derived from experiments with different instantiations of PRIMAD components and annotate these with the corresponding metadata.
1 code implementation • 10 Mar 2022 • Timo Breuer, Melanie Pest, Philipp Schaer
In this work, we analyze a pseudo-relevance retrieval method based on the results of web search engines.
1 code implementation • 10 Mar 2022 • Philipp Schaer, Timo Breuer, Leyla Jael Castro, Benjamin Wolff, Johann Schaible, Narges Tavakolpoursaleh
The evaluation of results and a meta-analysis of the different tasks and submission types complement this overview.
1 code implementation • 19 Jan 2022 • Timo Breuer, Norbert Fuhr, Philipp Schaer
System-oriented IR evaluations are limited to rather abstract understandings of real user behavior.
1 code implementation • 19 Jan 2022 • Timo Breuer, Nicola Ferro, Maria Maistro, Philipp Schaer
In this work we introduce repro_eval - a tool for reactive reproducibility studies of system-oriented information retrieval (IR) experiments.
1 code implementation • 26 Oct 2020 • Timo Breuer, Nicola Ferro, Norbert Fuhr, Maria Maistro, Tetsuya Sakai, Philipp Schaer, Ian Soboroff
Replicability and reproducibility of experimental results are primary concerns in all the areas of science and IR is not an exception.
no code implementations • 2 Jan 2020 • André Calero Valdez, Lena Adam, Dennis Assenmacher, Laura Burbach, Malte Bonart, Lena Frischlich, Philipp Schaer
The digitization of the world has also led to a digitization of communication processes.
no code implementations • 2 Dec 2019 • Malte Bonart, Anastasiia Samokhina, Gernot Heisenberg, Philipp Schaer
This study introduces a framework to systematically examine and automatically analyze the varieties in different query suggestions for person names offered by major search engines.
no code implementations • 20 Dec 2018 • Malte Bonart, Philipp Schaer
For each search term and for both the search results and query auto-completions we study the stability of the rankings over time.
2 code implementations • 17 Apr 2018 • Mandy Neumann, Christopher Michels, Philipp Schaer, Ralf Schenkel
Maintaining literature databases and online bibliographies is a core responsibility of metadata aggregators such as digital libraries.
Digital Libraries
no code implementations • 21 Mar 2016 • Lisa Posch, Philipp Schaer, Arnim Bleier, Markus Strohmaier
This paper presents a system which creates and visualizes probabilistic semantic links between concepts in a thesaurus and classes in a classification system.
no code implementations • 24 Jul 2015 • Lisa Posch, Arnim Bleier, Philipp Schaer, Markus Strohmaier
In this paper, we present the Polylingual Labeled Topic Model, a model which combines the characteristics of the existing Polylingual Topic Model and Labeled LDA.