SPAGHETTI: Open-Domain Question Answering from Heterogeneous Data Sources with Retrieval and Semantic Parsing
Heidi Zhang, Sina Semnani, Farhad Ghassemi, Jialiang Xu, Shicheng Liu, Monica Lam
Abstract
We introduce SPAGHETTI: Semantic Parsing Augmented Generation for Hybrid English information from Text Tables and Infoboxes, a hybrid question-answering (QA) pipeline that utilizes information from heterogeneous knowledge sources, including knowledge base, text, tables, and infoboxes. Our LLM-augmented approach achieves state-of-the-art performance on the Compmix dataset, the most comprehensive heterogeneous open-domain QA dataset, with 56.5% exact match (EM) rate. More importantly, manual analysis on a sample of the dataset suggests that SPAGHETTI is more than 90% accurate, indicating that EM is no longer suitable for assessing the capabilities of QA systems today.- Anthology ID:
- 2024.findings-acl.96
- Volume:
- Findings of the Association for Computational Linguistics ACL 2024
- Month:
- August
- Year:
- 2024
- Address:
- Bangkok, Thailand and virtual meeting
- Editors:
- Lun-Wei Ku, Andre Martins, Vivek Srikumar
- Venue:
- Findings
- SIG:
- Publisher:
- Association for Computational Linguistics
- Note:
- Pages:
- 1663–1678
- Language:
- URL:
- https://aclanthology.org/2024.findings-acl.96
- DOI:
- Cite (ACL):
- Heidi Zhang, Sina Semnani, Farhad Ghassemi, Jialiang Xu, Shicheng Liu, and Monica Lam. 2024. SPAGHETTI: Open-Domain Question Answering from Heterogeneous Data Sources with Retrieval and Semantic Parsing. In Findings of the Association for Computational Linguistics ACL 2024, pages 1663–1678, Bangkok, Thailand and virtual meeting. Association for Computational Linguistics.
- Cite (Informal):
- SPAGHETTI: Open-Domain Question Answering from Heterogeneous Data Sources with Retrieval and Semantic Parsing (Zhang et al., Findings 2024)
- PDF:
- https://preview.aclanthology.org/nschneid-patch-4/2024.findings-acl.96.pdf