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Summary of Multi-hop Question Answering Under Temporal Knowledge Editing, by Keyuan Cheng et al.


Multi-hop Question Answering under Temporal Knowledge Editing

by Keyuan Cheng, Gang Lin, Haoyang Fei, Yuxuan zhai, Lu Yu, Muhammad Asif Ali, Lijie Hu, Di Wang

First submitted to arxiv on: 30 Mar 2024

Categories

  • Main: Computation and Language (cs.CL)
  • Secondary: Artificial Intelligence (cs.AI); Machine Learning (cs.LG)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The proposed framework, TEMPLE-MQA, aims to improve multi-hop question answering under knowledge editing (KE) by addressing the limitation of existing models in dealing with questions containing explicit temporal contexts. The approach constructs a time-aware graph (TAG) and uses inference paths, structural retrieval, and joint reasoning stages to effectively discern temporal contexts within the question query. Experiments on benchmark datasets demonstrate that TEMPLE-MQA significantly outperforms baseline models. The framework also contributes a new dataset, TKEMQA, which serves as a benchmark for MQA with temporal scopes.
Low GrooveSquid.com (original content) Low Difficulty Summary
TEMPLE-MQA is a new way to answer questions that require multiple steps and involve changing information over time. This approach helps large language models understand questions that mention specific times or events. The model creates a special graph to store knowledge about editing and then uses this graph to figure out the correct answers. The results show that TEMPLE-MQA does much better than other methods. It also introduces a new dataset, TKEMQA, which will help researchers test their own models on similar tasks.

Keywords

* Artificial intelligence  * Inference  * Question answering