Text-to-SQL Task-oriented Dialogue Ontology Construction
Renato Vukovic, Carel van Niekerk, Michael Heck, Benjamin Ruppik, Hsien-Chin Lin, Shutong Feng, Nurul Lubis, Milica Gasic

TL;DR
This paper presents TeQoDO, a method enabling large language models to autonomously construct task-oriented dialogue ontologies from scratch, improving scalability and performance without manual labeling.
Contribution
TeQoDO leverages LLMs' SQL capabilities and modular TOD concepts to automate ontology construction, outperforming transfer learning and scaling to larger datasets.
Findings
TeQoDO outperforms transfer learning approaches.
Constructed ontologies are competitive in dialogue state tracking.
Scales effectively to large datasets like Wikipedia and arXiv.
Abstract
Large language models (LLMs) are widely used as general-purpose knowledge sources, but they rely on parametric knowledge, limiting explainability and trustworthiness. In task-oriented dialogue (TOD) systems, this separation is explicit, using an external database structured by an explicit ontology to ensure explainability and controllability. However, building such ontologies requires manual labels or supervised training. We introduce TeQoDO: a Text-to-SQL task-oriented Dialogue Ontology construction method. Here, an LLM autonomously builds a TOD ontology from scratch using only its inherent SQL programming capabilities combined with concepts from modular TOD systems provided in the prompt. We show that TeQoDO outperforms transfer learning approaches, and its constructed ontology is competitive on a downstream dialogue state tracking task. Ablation studies demonstrate the key role of…
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Taxonomy
TopicsService-Oriented Architecture and Web Services · Advanced Computational Techniques and Applications
