1 code implementation • COLING 2022 • Alexander Bondarenko, Magdalena Wolska, Stefan Heindorf, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo, Benno Stein, Pavel Braslavski, Matthias Hagen, Martin Potthast
At least 5% of questions submitted to search engines ask about cause-effect relationships in some way.
1 code implementation • 5 Nov 2023 • Lukas Blübaum, Stefan Heindorf
We introduce an Actor-Critic-based agent which learns to search through the graph to answer causal questions.
no code implementations • 12 Jan 2023 • Leonie Nora Sieger, Stefan Heindorf, Yasir Mahmood, Lukas Blübaum, Axel-Cyrille Ngonga Ngomo
Knowledge bases are widely used for information management, enabling high-impact applications such as web search, question answering, and natural language processing.
1 code implementation • 8 Nov 2021 • Stefan Heindorf, Lukas Blübaum, Nick Düsterhus, Till Werner, Varun Nandkumar Golani, Caglar Demir, Axel-Cyrille Ngonga Ngomo
We contribute a novel initialization method for the initial population: starting from positive examples, we perform biased random walks and translate them to description logic concepts.