no code implementations • EMNLP (Eval4NLP) 2020 • Kiril Gashteovski, Rainer Gemulla, Bhushan Kotnis, Sven Hertling, Christian Meilicke
First, we investigate OPIEC triples and DBpedia facts having the same arguments by comparing the information on the OIE surface relation with the KB rela- tion.
1 code implementation • 18 Oct 2023 • Adrian Kochsiek, Rainer Gemulla
Semi-inductive link prediction (LP) in knowledge graphs (KG) is the task of predicting facts for new, previously unseen entities based on context information.
Ranked #1 on
Inductive Link Prediction
on Wikidata5M-SI
1 code implementation • 22 May 2023 • Adrian Kochsiek, Apoorv Saxena, Inderjeet Nair, Rainer Gemulla
We propose KGT5-context, a simple sequence-to-sequence model for link prediction (LP) in knowledge graphs (KG).
Ranked #2 on
Link Prediction
on Wikidata5M
2 code implementations • 11 Jul 2022 • Adrian Kochsiek, Fritz Niesel, Rainer Gemulla
Knowledge graph embedding (KGE) models are an effective and popular approach to represent and reason with multi-relational data.
Ranked #11 on
Link Prediction
on YAGO3-10
(MRR metric)
4 code implementations • 1 Jun 2022 • Alexander Renz-Wieland, Andreas Kieslinger, Robert Gericke, Rainer Gemulla, Zoi Kaoudi, Volker Markl
Parameter management is essential for distributed training of large machine learning (ML) tasks.
1 code implementation • ACL 2022 • Apoorv Saxena, Adrian Kochsiek, Rainer Gemulla
These methods have recently been applied to KG link prediction and question answering over incomplete KGs (KGQA).
Ranked #6 on
Link Prediction
on Wikidata5M
1 code implementation • Proceedings of the VLDB Endowment 2021 • Adrian Kochsiek, Rainer Gemulla
We found that the evaluation methodologies used in prior work are often not comparable and can be misleading, and that most of currently implemented training methods tend to have a negative impact on embedding quality.
Ranked #7 on
Link Prediction
on Wikidata5M
2 code implementations • 1 Apr 2021 • Alexander Renz-Wieland, Rainer Gemulla, Zoi Kaoudi, Volker Markl
Parameter servers (PSs) facilitate the implementation of distributed training for large machine learning tasks.
no code implementations • 14 Oct 2020 • Andreas Look, Simona Doneva, Melih Kandemir, Rainer Gemulla, Jan Peters
In this paper, we introduce an efficient backpropagation scheme for non-constrained implicit functions.
1 code implementation • EMNLP 2020 • Samuel Broscheit, Daniel Ruffinelli, Adrian Kochsiek, Patrick Betz, Rainer Gemulla
LibKGE ( https://github. com/uma-pi1/kge ) is an open-source PyTorch-based library for training, hyperparameter optimization, and evaluation of knowledge graph embedding models for link prediction.
1 code implementation • ACL 2020 • Samuel Broscheit, Kiril Gashteovski, Yanjie Wang, Rainer Gemulla
An evaluation in such a setup raises the question if a correct prediction is actually a new fact that was induced by reasoning over the open knowledge graph or if it can be trivially explained.
2 code implementations • ICLR 2020 • Daniel Ruffinelli, Samuel Broscheit, Rainer Gemulla
A vast number of KGE techniques for multi-relational link prediction have been proposed in the recent literature, often with state-of-the-art performance.
1 code implementation • 3 Feb 2020 • Alexander Renz-Wieland, Rainer Gemulla, Steffen Zeuch, Volker Markl
To keep up with increasing dataset sizes and model complexity, distributed training has become a necessity for large machine learning tasks.
3 code implementations • AKBC 2019 • Kiril Gashteovski, Sebastian Wanner, Sven Hertling, Samuel Broscheit, Rainer Gemulla
In this paper, we release, describe, and analyze an OIE corpus called OPIEC, which was extracted from the text of English Wikipedia.
Knowledge Base Construction
Open-Ended Question Answering
+2
no code implementations • 3 Feb 2019 • Yanjie Wang, Samuel Broscheit, Rainer Gemulla
We propose the Relational Tucker3 (RT) decomposition for multi-relational link prediction in knowledge graphs.
no code implementations • WS 2019 • Yanjie Wang, Daniel Ruffinelli, Rainer Gemulla, Samuel Broscheit, Christian Meilicke
In this paper, we explore whether recent models work well for knowledge base completion and argue that the current evaluation protocols are more suited for question answering rather than knowledge base completion.
no code implementations • WS 2018 • Jonas Pfeiffer, Samuel Broscheit, Rainer Gemulla, Mathias G{\"o}schl
In this study, we investigate learning-to-rank and query refinement approaches for information retrieval in the pharmacogenomic domain.
no code implementations • 14 Sep 2017 • Yanjie Wang, Rainer Gemulla, Hui Li
Bilinear models belong to the most basic models for this task, they are comparably efficient to train and use, and they can provide good prediction performance.
1 code implementation • EMNLP 2017 • Kiril Gashteovski, Rainer Gemulla, Luciano del Corro
The goal of Open Information Extraction (OIE) is to extract surface relations and their arguments from natural-language text in an unsupervised, domain-independent manner.
no code implementations • TACL 2014 • Lizhen Qu, Yi Zhang, Rui Wang, Lili Jiang, Rainer Gemulla, Gerhard Weikum
Extracting instances of sentiment-oriented relations from user-generated web documents is important for online marketing analysis.