1 code implementation • 13 Dec 2022 • Christian Otto, Markos Stamatakis, Anett Hoppe, Ralph Ewerth
Informal learning on the Web using search engines as well as more structured learning on MOOC platforms have become very popular in recent years.
1 code implementation • Findings (NAACL) 2022 • Gullal S. Cheema, Sherzod Hakimov, Abdul Sittar, Eric Müller-Budack, Christian Otto, Ralph Ewerth
In recent years, the problem of misinformation on the web has become widespread across languages, countries, and various social media platforms.
no code implementations • 7 Jan 2022 • Christian Otto, Markus Rokicki, Georg Pardi, Wolfgang Gritz, Daniel Hienert, Ran Yu, Johannes von Hoyer, Anett Hoppe, Stefan Dietze, Peter Holtz, Yvonne Kammerer, Ralph Ewerth
The emerging research field Search as Learning investigates how the Web facilitates learning through modern information retrieval systems.
no code implementations • 11 Jun 2021 • Christian Otto, Ran Yu, Georg Pardi, Johannes von Hoyer, Markus Rokicki, Anett Hoppe, Peter Holtz, Yvonne Kammerer, Stefan Dietze, Ralph Ewerth
Related work in this field, also called search as learning, has focused on behavioral or text resource features to predict learning outcome and knowledge gain.
no code implementations • 25 Nov 2019 • Hang Zhou, Christian Otto, Ralph Ewerth
Effective learning with audiovisual content depends on many factors.
no code implementations • 20 Jun 2019 • Christian Otto, Matthias Springstein, Avishek Anand, Ralph Ewerth
Two modalities are often used to convey information in a complementary and beneficial manner, e. g., in online news, videos, educational resources, or scientific publications.
no code implementations • 23 Jan 2019 • Christian Otto, Sebastian Holzki, Ralph Ewerth
In this paper, we present an approach to predict the (cross-modal) relative abstractness level of a given image-text pair, that is whether the image is an abstraction of the text or vice versa.
no code implementations • 19 Jun 2018 • Justyna Medrek, Christian Otto, Ralph Ewerth
The amount of available videos in the Web has significantly increased not only for entertainment etc., but also to convey educational or scientific information in an effective way.
Optical Character Recognition Optical Character Recognition (OCR) +2