Enhancing Conversational Search: Large Language Model-Aided Informative Query Rewriting (2023.findings-emnlp)
Copied to clipboard
| Challenge: | Existing approaches to rewrite context-dependent queries lack sufficient information for optimal retrieval performance. |
| Approach: | They propose to use large language models (LLMs) as query rewriters to generate informative queries through well-designed instructions. |
| Outcome: | The proposed approach improves performance on the QReCC dataset compared to human rewrites . |
Similar Papers
Query Rewriting in Retrieval-Augmented Large Language Models (2023.emnlp-main)
Copied to clipboard
| Challenge: | Existing studies focus on adapting either the retriever or the reader, but this approach is more focused on adaptation of the query itself. |
| Approach: | They propose a new framework for retrieval-augmented Large Language Models . they propose rewrite-retrieve-read instead of retrieve-then-read . |
| Outcome: | The proposed framework improves performance on downstream tasks, open-domain QA and multiple-choice QA. |
CHIQ: Contextual History Enhancement for Improving Query Rewriting in Conversational Search (2024.emnlp-main)
Copied to clipboard
| Challenge: | Recent advances in task-solving capabilities of Large Language Models (LLMs) have motivated researchers to integrate these models into existing conversational search systems. |
| Approach: | They propose a method that leverages the capabilities of large language models to resolve ambiguities in conversation history before query rewriting. |
| Outcome: | The proposed method leads to state-of-the-art results across most settings compared with closed-source LLMs. |
Explicit Query Rewriting for Conversational Dense Retrieval (2022.emnlp-main)
Copied to clipboard
| Challenge: | In a conversational search scenario, a query might be context-dependent because some words are referred to previous expressions or omitted. |
| Approach: | They propose a model that performs query rewriting and context modelling in a unified framework by highlighting relevant terms in the query context. |
| Outcome: | The proposed model outperforms baseline models in terms of quality of query rewriting and quality of contextualized query embedding. |
ICR: Iterative Clarification and Rewriting for Conversational Search (2025.emnlp-main)
Copied to clipboard
| Challenge: | Conversational Query Rewriting (CQR) is a key step in conversational question answering . it aims to rewrite vague queries into de-contextualized queries, thereby promoting conversational search. |
| Approach: | They propose an iterative rewriting scheme that pivots on clarification questions . they propose to rewrite queries into de-contextualized queries to promote conversational search . |
| Outcome: | The proposed framework improves retrieval performance on two popular datasets. |
ChatRetriever: Adapting Large Language Models for Generalized and Robust Conversational Dense Retrieval (2024.emnlp-main)
Copied to clipboard
| Challenge: | a conversational search system requires accurate interpretation of user intent from complex multi-turn contexts. |
| Approach: | They propose a dual-learning approach that adapts LLMs for retrieval via contrastive learning while enhancing the complex session understanding through masked instruction tuning. |
| Outcome: | The proposed approach outperforms existing retrieval methods on five conversational search benchmarks. |
Search-Oriented Conversational Query Editing (2023.findings-acl)
Copied to clipboard
| Challenge: | Existing CQR models are not learned toward improving the downstream search performance . existing models generate the rewrite token-by-token from scratch . |
| Approach: | They propose a text editing-based CQR model tailored for conversational search . they propose rewrite tokens are selected from the dialogue in a non-autoregressive fashion . |
| Outcome: | The proposed model outperforms state-of-the-art models on three conversational search benchmarks while having low rewriting latency. |
ConvGQR: Generative Query Reformulation for Conversational Search (2023.acl-long)
Copied to clipboard
| Challenge: | Existing methods to determine a good search query from the whole conversation context are expensive and often lead to sub-optimal results. |
| Approach: | They propose a framework to reformulate conversational queries based on generative pre-trained language models (PLMs) they propose generative knowledge infusion mechanism to optimize query reformulation and retrieval. |
| Outcome: | Extensive experiments on four conversational search datasets demonstrate the effectiveness of ConvGQR. |
Corpus-Steered Query Expansion with Large Language Models (2024.eacl-short)
Copied to clipboard
| Challenge: | Recent studies show query expansions generate hypothetical documents that answer queries as expansions. |
| Approach: | They propose a corpus-steered query expansion to promote incorporation of knowledge embedded within the corpus. |
| Outcome: | et al. analyzed corpus-based Query Expansion (CSQE) using LLMs to generate hypothetical documents that answer the query. |
Automatic Input Rewriting Improves Translation with Large Language Models (2025.naacl-long)
Copied to clipboard
| Challenge: | LLMs can rewrite inputs but in machine translation, they are primarily used to re-write outputs via post-editing. |
| Approach: | They propose to use LLMs to rewrite inputs automatically to improve machine translation (MT) they propose to simplify inputs and use quality estimation to assess translatability. |
| Outcome: | The proposed methods can be improved by using quality estimation to assess translatability. |
CO3: Low-resource Contrastive Co-training for Generative Conversational Query Rewrite (2024.lrec-main)
Copied to clipboard
| Challenge: | Recent advances in conversational IR systems have seen a resurgent interest in conversation . generative query rewrite generates reconstructed query based on the conversation history . |
| Approach: | They propose to use unlabeled data to make further improvements using contrastive co-training paradigm. |
| Outcome: | The proposed model is robust to noise and language style shift under few-shot and zero-shot scenarios. |