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Taxonomy completion via implicit concept insertion

Abstract:
High quality taxonomies play a critical role in various domains such as e-commerce, web search and ontology engineering. While there has been extensive work on expanding taxonomies from externally mined data, there has been less attention paid to enriching taxonomies by exploiting existing concepts and structure within the taxonomy. In this work, we show the usefulness of this kind of enrichment, and explore its viability with a new taxonomy completion system ICON (Implicit CONcept Insertion). ICON generates new concepts by identifying implicit concepts based on the existing concept structure, generating names for such concepts and inserting them in appropriate positions within the taxonomy. ICON integrates techniques from entity retrieval, text summary, and subsumption prediction; this modular architecture offers high flexibility while achieving state-of-the-art performance. We have evaluated ICON on two e-commerce taxonomies, and the results show that it offers significant advantages over strong baselines including recent taxonomy completion models and the large language model, ChatGPT.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1145/3589334.3645584

Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Computer Science
Oxford college:
St Cross College
Role:
Author
ORCID:
0000-0002-4615-5636


Publisher:
Association for Computing Machinery
Journal:
Proceedings of the ACM on Web Conference 2024 More from this journal
Pages:
2159–2169
Publication date:
2024-05-13
Acceptance date:
2024-01-23
Event title:
The Web Conference (WWW 2024)
Event location:
Singapore
Event website:
https://www2024.thewebconf.org/
Event start date:
2024-05-13
Event end date:
2024-05-17
DOI:
ISBN:
9798400701719


Language:
English
Pubs id:
1622186
Local pid:
pubs:1622186
Deposit date:
2024-02-21
ARK identifier:

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