12 citations · 31 across the 18 of their papers we have counts for
18 papers
How to Build Robust FAQ Chatbot with Controllable Question Generator?
Yan Pan, Mingyang Ma, Bernhard Pflugfelder +1
Many unanswerable adversarial questions fool the question-answer (QA) system with some plausible answers. Building a robust, frequently asked questions (FAQ) chatbot needs a large…
End-to-End Annotator Bias Approximation on Crowdsourced Single-Label Sentiment Analysis
Gerhard Johann Hagerer, David Szabo, Andreas Koch +5
Sentiment analysis is often a crowdsourcing task prone to subjective labels given by many annotators. It is not yet fully understood how the annotation bias of each annotator can b…
A Case Study and Qualitative Analysis of Simple Cross-Lingual Opinion Mining
Gerhard Johann Hagerer, Wing Sheung Leung, Qiaoxi Liu +2
User-generated content from social media is produced in many languages, making it technically challenging to compare the discussed themes from one domain across different cultures…
An Analysis of Programming Course Evaluations Before and After the Introduction of an Autograder
Gerhard Johann Hagerer, Laura Lahesoo, Miriam Anschütz +2
Commonly, introductory programming courses in higher education institutions have hundreds of participating students eager to learn to program. The manual effort for reviewing the s…
SocialVisTUM: An Interactive Visualization Toolkit for Correlated Neural Topic Models on Social Media Opinion Mining
Gerhard Johann Hagerer, Martin Kirchhoff, Hannah Danner +5
Recent research in opinion mining proposed word embedding-based topic modeling methods that provide superior coherence compared to traditional topic modeling. In this paper, we dem…
Introducing an Abusive Language Classification Framework for Telegram to Investigate the German Hater Community
Maximilian Wich, Adrian Gorniak, Tobias Eder +3
Since traditional social media platforms continue to ban actors spreading hate speech or other forms of abusive languages (a process known as deplatforming), these actors migrate t…
Classification of Consumer Belief Statements From Social Media
Gerhard Johann Hagerer, Wenbin Le, Hannah Danner +1
Social media offer plenty of information to perform market research in order to meet the requirements of customers. One way how this research is conducted is that a domain expert g…
GraphTMT: Unsupervised Graph-based Topic Modeling from Video Transcripts
Lukas Stappen, Jason Thies, Gerhard Hagerer +2
To unfold the tremendous amount of multimedia data uploaded daily to social media platforms, effective topic modeling techniques are needed. Existing work tends to apply topic mode…
Contributive Social Capital Extraction From Different Types of Online Data Sources
Sebastian Schams, Georg Groh
It is a recurring problem of online communication that the properties of unknown people are hard to assess. This may lead to various issues such as the spread of `fake news' from u…
Sequence Labeling: A Practical Approach
Adnan Akhundov, Dietrich Trautmann, Georg Groh
We take a practical approach to solving sequence labeling problem assuming unavailability of domain expertise and scarcity of informational and computational resources. To this end…
Estimating the Dissemination of Social and Mobile Search in Categories of Information Needs Using Websites as Proxies
Christoph Fuchs, Akash Nayyar, Ruth Nussbaumer +1
With the increasing popularity of social means to satisfy information needs using Social Media (e.g., Social Media Question Asking, SMQA) or Social Information Retrieval approaches…
Mobile Homophily and Social Location Prediction
Halgurt Bapierre, Chakajkla Jesdabodi, Georg Groh
The mobility behavior of human beings is predictable to a varying degree e.g. depending on the traits of their personality such as the trait extraversion - introversion: the mobili…
Reaching Consensus Among Mobile Agents: A Distributed Protocol for the Detection of Social Situations
Daniel Raumer, Christoph Fuchs, Georg Groh
Physical social encounters are governed by a set of socio-psychological behavioral rules with a high degree of uniform validity. Past research has shown how these rules or the resu…
Designing Sound Collaboratively - Perceptually Motivated Audio Synthesis
Niklas Klügel, Timo Becker, Georg Groh
In this contribution, we will discuss a prototype that allows a group of users to design sound collaboratively in real time using a multi-touch tabletop. We make use of a machine l…
An evaluation of keyword extraction from online communication for the characterisation of social relations
Jan Hauffa, Tobias Lichtenberg, Georg Groh
The set of interpersonal relationships on a social network service or a similar online community is usually highly heterogenous. The concept of tie strength captures only one aspec…
Spatio-Temporal Small Worlds for Decentralized Information Retrieval in Social Networking
Georg Groh, Florian Straub, Benjamin Koster
We discuss foundations and options for alternative, agent-based information retrieval (IR) approaches in Social Networking, especially Decentralized and Mobile Social Networking sc…
Interest-Based vs. Social Person-Recommenders in Social Networking Platforms
Georg Groh, Michele Brocco, Andreas Kleemann
Social network based approaches to person recommendations are compared to interest based approaches with the help of an empirical study on a large German social networking platform…
Space and Time as a Primary Classification Criterion for Information Retrieval in Distributed Social Networking
Georg Groh, Florian Straub, Andreas Donaubauer +1
We discuss in a compact way how the implicit relations between spatiotemporal relatedness of information items, spatiotemporal relatedness of users, social relatedness of users and…