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Anett Hoppe

dblp:117/9808 · DBLP profile ↗
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33ranked-venue papers
8as first author
23since 2021 · last 2026
0000-0002-1452-9509ORCID · verified

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 23 · 7 first-author · 15 since 2021Artificial intelligence and machine learning · 9 · 4 first-author · 5 since 2021Human-computer interaction and ubiquitous computing · 9 · 1 first-author · 9 since 2021Applied, interdisciplinary, general and emerging computing · 7 · 1 first-author · 7 since 2021Graphics, computer vision, multimedia, augmented reality and games · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
4 papers
Information retrieval · 90% Knowledge graphs · 4% Data integration and cleaning · 4%
Human-computer interaction and pervasive computing
2 papers
Learning and educational technologies · 100%
Artificial intelligence
1 paper
Language models and text generation · 100%
Interdisciplinary, comprehensive, and emerging computing
1 paper
Computing education · 100%

Topics — the 6 heaviest of 10, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Information retrieval › information seeking
search as learning
1.832025
IWILDS'25: The 5th International Workshop on Investigating Learning During Web Search · WSDM 2025
IWILDS'22 - Third International Workshop on Investigating Learning During Web Search · SIGIR 2022
SALMM'19: First International Workshop on Search as Learning with Multimedia Information · ACM Multimedia 2019
Information retrieval
web search
1.422025
IWILDS'25: The 5th International Workshop on Investigating Learning During Web Search · WSDM 2025
IWILDS'22 - Third International Workshop on Investigating Learning During Web Search · SIGIR 2022
Computing education › online education
web-based learning
0.312025
IWILDS'25: The 5th International Workshop on Investigating Learning During Web Search · WSDM 2025
Knowledge graphs › ontology
ontology construction
0.212013
Automatic ontology-based User Profile Learning from heterogeneous Web Resources in a Big Data Context · Proc. VLDB Endow. 2013
Learning and educational technologies
multimedia learning
0.112019
SALMM'19: First International Workshop on Search as Learning with Multimedia Information · ACM Multimedia 2019
Recommender systems
user profiling
0.012013
Automatic ontology-based User Profile Learning from heterogeneous Web Resources in a Big Data Context · Proc. VLDB Endow. 2013

Methods — techniques the papers use, named apart from their topics

ontology engineering · 0.2big data processing · 0.2
YearPublicationVenuePosition
2026 From Generation to Evaluation: A Resource for Error-Categorized Question Generation from Video Transcripts
Joshua Berger, Markos Stamatakis, Anett Hoppe, Ralph Ewerth, Christian Wartena
LREC3
2025 From Formulas to Figures: How Visual Elements Impact User Interactions in Educational Videos
Wolfgang Gritz, Hewi Salih, Anett Hoppe, Ralph Ewerth
AIED (3)3
2025 Supporting Teachers Through AI-Augmented Web Search for Educational Resource Discovery
Ratan Sebastian, Anett Hoppe
AIED (1)2
2025 Enhancing the Learning Experience: Using Vision-Language Models to Generate Questions for Educational Videos
Markos Stamatakis, Joshua Berger, Christian Wartena, Ralph Ewerth, Anett Hoppe
AIED (2)5
2025 Unraveling the Impact of Visual Complexity on Search as Learning
Wolfgang Gritz, Anett Hoppe, Ralph Ewerth
ECIR (3)2
2025 IWILDS'25: The 5th International Workshop on Investigating Learning During Web Search
abstract
Web-based learning is evolving rapidly as traditional search engines are complemented by Large Language Models (LLMs) and other AI technologies. This evolution offers new opportunities, such as automated information synthesis and personalized learning experiences. However, this also presents new challenges, including the need for learners to be aware of potential biases and misinformation in AI-generated content, and to maintain focus and depth in their learning journeys.
Anett Hoppe, Ran Yu 0001, Jiqun Liu, Nilavra Bhattacharya
WSDM1
2024 Saliency Detection in Educational Videos: Analyzing the Performance of Current Models, Identifying Limitations and Advancement Directions
abstract
Identifying the regions of a learning resource that a learner pays attention to is crucial for assessing the material's impact and improving its design and related support systems. Saliency detection in videos addresses the automatic recognition of attention-drawing regions in single frames. In educational settings, the recognition of pertinent regions in a video's visual stream can enhance content accessibility and information retrieval tasks such as video segmentation, navigation, and summarization. Such advancements can pave the way for the development of advanced AI-assisted technologies that support learning with greater efficacy. However, this task becomes particularly challenging for educational videos due to the combination of unique characteristics such as text, voice, illustrations, animations, and more. To the best of our knowledge, there is currently no study that evaluates saliency detection approaches in educational videos. In this paper, we address this gap by evaluating four state-of-the-art saliency detection approaches for educational videos. We reproduce the original studies and explore the replication capabilities for general-purpose (non-educational) datasets. Then, we investigate the generalization capabilities of the models and evaluate their performance on educational videos. We conduct a comprehensive analysis to identify common failure scenarios and possible areas of improvement. Our experimental results show that educational videos remain a challenging context for generic video saliency detection models.
Evelyn Navarrete, Ralph Ewerth, Anett Hoppe
CIKM3
2024 On the Influence of Reading Sequences on Knowledge Gain During Web Search
Wolfgang Gritz, Anett Hoppe, Ralph Ewerth
ECIR (3)2
2024 An Updated Analysis of Learning Resource Metadata Usage on the Web
Ratan Sebastian, Anett Hoppe
TPDL (2)2
2024 Question Generation Capabilities of "Small" Large Language Models
Joshua Berger, Jonathan Koß, Markos Stamatakis, Anett Hoppe, Ralph Ewerth, Christian Wartena
NLDB (2)4
2024 Can Editorial Decisions Impair Journal Recommendations? Analysing the Impact of Journal Characteristics on Recommendation Systems
abstract
Recommendation services for journals help scientists choose appropriate publication venues for their research results. They often use a semantic matching process to compare e.g. an abstract against already published articles. As these services can guide a researcher’s decision, their fairness and neutrality are critical qualities. However, the impact of journal characteristics (such as the abstract length) on recommendations is understudied. In this paper, we investigate whether editorial journal characteristics can lead to biased rankings from recommendation services, i.e. if editorial choices can systematically lead to a better ranking of one’s own journal. The performed experiments show that longer abstracts or a higher number of articles per journal can boost the rank of a journal in the recommendations. We apply these insights to an active, open-source journal recommendation system. The adaptation of the algorithm leads to an increased accuracy for smaller journals.
Elias Entrup, Ralph Ewerth, Anett Hoppe
RecSys3
2023 Dropout Prediction in a Web Environment Based on Universal Design for Learning
Marvin Roski, Ratan Sebastian, Ralph Ewerth, Anett Hoppe, Andreas Nehring
AIED4
2023 Automatic Analysis of Student Drawings in Chemistry Classes
Markos Stamatakis, Wolfgang Gritz, Jos Oldag, Anett Hoppe, Sascha Schanze, Ralph Ewerth
AIED4
2023 Comparing Interface Layouts for the Presentation of Multimodal Search Results
abstract
Today’s search engines allow users to discover relevant information in different types of modalities or media, e.g., web pages, text documents, images, or videos. It is, however, a challenging task to present mixed-modality result lists in an effective and easy-to-skim form. The two most commonly used approaches are to present the modalities side-by-side, each in a separate column of the result page; or to separate the modalities into multiple tabs. However, the field lacks a structured investigation on how the column or tab layout influence the users’ perception and usage of multimodal resources in an academic search task. In this paper, we present a user study (N=50) where the participants were asked to accomplish a search task for a fictive computer science seminar at the university. We evaluate the influence of the different layouts on (1) user search behavior (e.g., time until first resource is saved) and (2) the relevance of the selected resources for the task at hand. Finally, we discuss the results and possible implications for the design of multimodal search result presentation.
Wolfgang Gritz, Christian Otto, Anett Hoppe, Georg Pardi, Yvonne Kammerer, Ralph Ewerth
CHIIR3
2023 A Comparison of Automated Journal Recommender Systems
Elias Entrup, Ralph Ewerth, Anett Hoppe
TPDL3
2022 SaL-Lightning Dataset: Search and Eye Gaze Behavior, Resource Interactions and Knowledge Gain during Web Search
abstract
The emerging research field Search as Learning (SAL) investigates how the Web facilitates learning through modern information retrieval systems. SAL research requires significant amounts of data that capture both search behavior of users and their acquired knowledge in order to obtain conclusive insights or train supervised machine learning models. However, the creation of such datasets is costly and requires interdisciplinary efforts in order to design studies and capture a wide range of features. In this paper, we address this issue and introduce an extensive dataset based on a user study, in which 114 participants were asked to learn about the formation of lightning and thunder. Participants’ knowledge states were measured before and after Web search through multiple-choice questionnaires and essay-based free recall tasks. To enable future research in SAL-related tasks we recorded a plethora of features and person-related attributes. Besides the screen recordings, visited Web pages, and detailed browsing histories, a large number of behavioral features and resource features were monitored. We underline the usefulness of the dataset by describing three, already published, use cases.
Christian Otto, Markus Rokicki, Georg Pardi, Wolfgang Gritz, Daniel Hienert, Ran Yu 0001, Johannes von Hoyer, Anett Hoppe, Stefan Dietze, Peter Holtz, Yvonne Kammerer, Ralph Ewerth
CHIIR8
2022 B!SON: A Tool for Open Access Journal Recommendation
abstract
Abstract Finding a suitable open access journal to publish scientific work is a complex task: Researchers have to navigate a constantly growing number of journals, institutional agreements with publishers, funders’ conditions and the risk of Predatory Publishers. To help with these challenges, we introduce a web-based journal recommendation system called B!SON. It is developed based on a systematic requirements analysis, built on open data, gives publisher-independent recommendations and works across domains. It suggests open access journals based on title, abstract and references provided by the user. The recommendation quality has been evaluated using a large test set of 10,000 articles. Development by two German scientific libraries ensures the longevity of the project.
Elias Entrup, Anita Eppelin, Ralph Ewerth, Josephine Hartwig, Marco Tullney, Michael Wohlgemuth, Anett Hoppe
TPDL7
2022 IWILDS'22 - Third International Workshop on Investigating Learning During Web Search
abstract
Since its inception, the World Wide Web has become a major information source, consulted for a diversity of informational tasks. With an abundance of information available online, Web search engines have been a main entry point, supporting users in finding suitable Web content for ever more complex information needs. The IWILDS workshop series invites research on complex search activities related to human learning. It provides an interdisciplinary platform for the presentation and discussion of recent research on human learning on the Web, welcoming perspectives from computer & information science, education and psychology.
Anett Hoppe, Ran Yu 0001, Jiqun Liu
SIGIR1
2021 Evaluation of Automated Image Descriptions for Visually Impaired Students
Anett Hoppe, David Morris, Ralph Ewerth
AIED (2)1
2021 Predicting Knowledge Gain During Web Search Based on Multimedia Resource Consumption
Christian Otto, Ran Yu 0001, Georg Pardi, Johannes von Hoyer, Markus Rokicki, Anett Hoppe, Peter Holtz, Yvonne Kammerer, Stefan Dietze, Ralph Ewerth
AIED (1)6
2021 IWILDS'21: Second International Workshop on Learning During Web Search
abstract
Web search is one of the most ubiquitous online activities and often used as a starting point to learn, i. e., to acquire or extend one's knowledge about certain topics or procedures. When learning by searching the Web, individuals are confronted with an unprecedented amount of information in various forms and varying quality. Thus, successful learning on the Web requires high degrees of self-regulation and should be supported by the adequate design of search, recommendation, and training tools. This creates a highly interdisciplinary research area at the intersection of information retrieval, human-computer interaction, psychology, and educational sciences. Search as Learning (SAL) research examines the relationships between querying, navigation, media consumption behavior, and the learning outcomes during Web search, how they can be measured, predicted, and supported.
Anett Hoppe, Ran Yu 0001, Irina R. Brich, Jiqun Liu
CIKM1
2021 Coreference Resolution in Research Papers from Multiple Domains
Arthur Brack, Daniel Uwe Müller, Anett Hoppe, Ralph Ewerth
ECIR (1)3
2021 Citation Recommendation for Research Papers via Knowledge Graphs
Arthur Brack, Anett Hoppe, Ralph Ewerth
TPDL2
2020 IWILDS'20: The 1st International Workshop on Investigating Learning during Web Search
abstract
Web search is one of the most ubiquitous online activities and often used for learning purposes, i.e., to extend one's knowledge or skills about certain topics or procedures. The importance of learning as an outcome of Web search has been recognized in research at the intersection of information retrieval, human-computer interaction, psychology, and educational sciences. Search as Learning (SAL) research examines relationships between querying, navigation, and reading behavior during Web search and the resulting learning outcomes, and how they can be measured, predicted, and supported. IWILDS aims to provide a platform to the interdisciplinary SAL community, with the objective to bring together interested researchers, provide room for presentation and discussion of novel research insights, and to inspire future directions of SAL research.
Anett Hoppe, Ran Yu 0001, Yvonne Kammerer, Ladislao Salmerón
CIKM1
2020 Domain-Independent Extraction of Scientific Concepts from Research Articles
abstract
We examine the novel task of domain-independent scientific concept extraction from abstracts of scholarly articles and present two contributions. First, we suggest a set of generic scientific concepts that have been identified in a systematic annotation process. This set of concepts is utilised to annotate a corpus of scientific abstracts from 10 domains of Science, Technology and Medicine at the phrasal level in a joint effort with domain experts. The resulting dataset is used in a set of benchmark experiments to (a) provide baseline performance for this task, (b) examine the transferability of concepts between domains. Second, we present a state-of-the-art deep learning baseline. Further, we propose the active learning strategy for an optimal selection of instances from among the various domains in our data. The experimental results show that (1) a substantial agreement is achievable by non-experts after consultation with domain experts, (2) the baseline system achieves a fairly high F1 score, (3) active learning enables us to nearly halve the amount of required training data.
Arthur Brack, Jennifer D'Souza 0001, Anett Hoppe, Sören Auer, Ralph Ewerth
ECIR (1)3
2020 Requirements Analysis for an Open Research Knowledge Graph
Arthur Brack, Anett Hoppe, Markus Stocker, Sören Auer, Ralph Ewerth
TPDL2
2020 The STEM-ECR Dataset: Grounding Scientific Entity References in STEM Scholarly Content to Authoritative Encyclopedic and Lexicographic Sources
abstract
We introduce the STEM (Science, Technology, Engineering, and Medicine) Dataset for Scientific Entity Extraction, Classification, and Resolution, version 1.0 (STEM-ECR v1.0). The STEM-ECR v1.0 dataset has been developed to provide a benchmark for the evaluation of scientific entity extraction, classification, and resolution tasks in a domain-independent fashion. It comprises abstracts in 10 STEM disciplines that were found to be the most prolific ones on a major publishing platform. We describe the creation of such a multidisciplinary corpus and highlight the obtained findings in terms of the following features: 1) a generic conceptual formalism for scientific entities in a multidisciplinary scientific context; 2) the feasibility of the domain-independent human annotation of scientific entities under such a generic formalism; 3) a performance benchmark obtainable for automatic extraction of multidisciplinary scientific entities using BERT-based neural models; 4) a delineated 3-step entity resolution procedure for human annotation of the scientific entities via encyclopedic entity linking and lexicographic word sense disambiguation; and 5) human evaluations of Babelfy returned encyclopedic links and lexicographic senses for our entities. Our findings cumulatively indicate that human annotation and automatic learning of multidisciplinary scientific concepts as well as their semantic disambiguation in a wide-ranging setting as STEM is reasonable.
Jennifer D'Souza 0001, Anett Hoppe, Arthur Brack, Mohamad Yaser Jaradeh, Sören Auer, Ralph Ewerth
LREC2
2019 SALMM'19: First International Workshop on Search as Learning with Multimedia Information
abstract
The First International Workshop on "Search as Learning with Multimedia Information" (SALMM) presents interdisciplinary contributions that address multimedia aspects insearch as learning scenarios. The research topic of search as learning (SAL) recently emerged in the field of information retrieval and investigates informal, web-based learning processes as they happen every day with the help of search engines. While highly active, the SAL community still shows a focus on textual documents. This conflicts with research on multimedia learning in educational psychology: Humans tend to grasp and internalize new knowledge easier and more efficiently when it is conveyed using multiple modalities. The workshop SALMM aims to bridge the gap between the communities of SAL and multimedia. Related Workshop Proceedings are available in the ACM DL at: \hrefhttps://dl.acm.org/citation.cfm?id=3347451 https://dl.acm.org/citation.cfm?id=3347451
Ralph Ewerth, Stefan Dietze, Anett Hoppe, Ran Yu 0001
ACM Multimedia3
2018 An Analytics Tool for Exploring Scientific Software and Related Publications
Anett Hoppe, Jascha Hagen, Helge Holzmann, Günter Kniesel-Wünsche, Ralph Ewerth
TPDL1
2018 TIB-arXiv: An Alternative Search Portal for the arXiv Pre-print Server
Matthias Springstein, Huu Hung Nguyen, Anett Hoppe, Ralph Ewerth
TPDL3
2013 Automatic ontology-based User Profile Learning from heterogeneous Web Resources in a Big Data Context
abstract
The Web has developed to the biggest source of information and entertainment in the world. By its size, its adaptability and flexibility, it challenged our current paradigms on information sharing in several areas. By offering everybody the opportunity to release own contents in a fast and cheap way, the Web already led to a revolution of the traditional publishing world and just now, it commences to change the perspective on advertisements. With the possibility to adapt the contents displayed on a page dynamically based on the viewer's context, campaigns launched to target rough customer groups will become an element of the past. However, this new ecosystem, that relates advertisements with the user, heavily relies on the quality of the underlying user profile. This profile has to be able to model any combination of user characteristics, the relations between its composing elements and the uncertainty that stems from the automated processing of real-world data. The work at hand describes the beginnings of a PhD project that aims to tackle those issues using a combination of data analysis, ontology engineering and processing of big data resources provided by an industrial partner. The final goal is to automatically construct and populate a profile ontology for each user identified by the system. This allows to associate these users to high-value audience segments in order to drive digital marketing.
Anett Hoppe
Proc. VLDB Endow.1
2012 (= (+ Intelligence ?) Wisdom)
Anett Hoppe, Stefan Haun, Julia Inthorn, Andreas Nürnberger, Michael Dick
IPMU (2)1
2012 Evaluating Decisions: Characteristics, Evaluation of Outcome and Serious Games
Julia Inthorn, Stefan Haun, Anett Hoppe, Andreas Nürnberger, Michael Dick
IPMU (2)3