Search Results for author: Christian Otto

Found 8 papers, 2 papers with code

Predicting Knowledge Gain for MOOC Video Consumption

1 code implementation13 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.

Feature Importance Retrieval

Predicting Knowledge Gain during Web Search based on Multimedia Resource Consumption

no code implementations11 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.

Feature Importance

Understanding, Categorizing and Predicting Semantic Image-Text Relations

no code implementations20 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.

Image Captioning Information Retrieval +2

"Is this an example image?" -- Predicting the Relative Abstractness Level of Image and Text

no code implementations23 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.

Retrieval

Recommending Scientific Videos based on Metadata Enrichment using Linked Open Data

no code implementations19 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

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