6 papers
SymStep: Symbolic Step Verification for Logical Reasoning
Aida Usmanova, Rui Gao, Dilshod Azizov +2
Chain-of-thought (CoT) prompting can fail severely on constraint-dense logical reasoning tasks, where unverified errors accumulate silently across steps. We introduce SymStep: an L…
From Variance to Invariance: Qualitative Content Analysis for Narrative Graph Annotation
Junbo Huang, Max Weinig, Ulrich Fritsche +1
Narratives in news discourse play a critical role in shaping public understanding of economic events, such as inflation. Annotating and evaluating these narratives in a structured…
Automating SPARQL Query Translations between DBpedia and Wikidata
Malte Christian Bartels, Debayan Banerjee, Ricardo Usbeck
This paper investigates whether state-of-the-art Large Language Models (LLMs) can automatically translate SPARQL between popular Knowledge Graph (KG) schemas. We focus on translati…
DISCIE -- Discriminative Closed Information Extraction
Cedric Möller, Ricardo Usbeck
This paper introduces a novel method for closed information extraction. The method employs a discriminative approach that incorporates type and entity-specific information to impro…
Analyzing the Influence of Knowledge Graph Information on Relation Extraction
Cedric Möller, Ricardo Usbeck
We examine the impact of incorporating knowledge graph information on the performance of relation extraction models across a range of datasets. Our hypothesis is that the positions…
Ontology-Guided, Hybrid Prompt Learning for Generalization in Knowledge Graph Question Answering
Longquan Jiang, Junbo Huang, Cedric Möller +1
Most existing Knowledge Graph Question Answering (KGQA) approaches are designed for a specific KG, such as Wikidata, DBpedia or Freebase. Due to the heterogeneity of the underlying…