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Recent advancements in large language models (LLMs) have significantly improved performance on the Text-to-SQL task. However, prior approaches typically rely on static, pre-processed database information provided at inference time, which…

计算与语言 · 计算机科学 2025-06-23 Wenxuan Xie , Yaxun Dai , Wenhao Jiang

Retrieving relevant contexts from a large corpus is a crucial step for tasks such as open-domain question answering and fact checking. Although neural retrieval outperforms traditional methods like tf-idf and BM25, its performance degrades…

计算与语言 · 计算机科学 2021-01-05 Jean Maillard , Vladimir Karpukhin , Fabio Petroni , Wen-tau Yih , Barlas Oğuz , Veselin Stoyanov , Gargi Ghosh

This work introduces RARE (Retrieval-Augmented Reasoning Enhancement), a versatile extension to the mutual reasoning framework (rStar), aimed at enhancing reasoning accuracy and factual integrity across large language models (LLMs) for…

计算与语言 · 计算机科学 2025-06-03 Hieu Tran , Zonghai Yao , Junda Wang , Yifan Zhang , Zhichao Yang , Hong Yu

Dense Retrieval (DR) models have proven to be effective for Document Retrieval and Information Grounding tasks. Usually, these models are trained and optimized for improving the relevance of top-ranked documents for a given query. Previous…

信息检索 · 计算机科学 2025-08-12 Stefano Campese , Alessandro Moschitti , Ivano Lauriola

Considering the multimodal signals of search items is beneficial for retrieval effectiveness. Especially in web table retrieval (WTR) experiments, accounting for multimodal properties of tables boosts effectiveness. However, it still…

信息检索 · 计算机科学 2023-10-19 Björn Engelmann , Timo Breuer , Philipp Schaer

Translating natural language utterances to executable queries is a helpful technique in making the vast amount of data stored in relational databases accessible to a wider range of non-tech-savvy end users. Prior work in this area has…

计算与语言 · 计算机科学 2020-10-21 Karthik Radhakrishnan , Arvind Srikantan , Xi Victoria Lin

Open Relation Extraction (OpenRE) seeks to identify and extract novel relational facts between named entities from unlabeled data without pre-defined relation schemas. Traditional OpenRE methods typically assume that the unlabeled data…

计算与语言 · 计算机科学 2025-05-30 Qing Wang , Yuepei Li , Qiao Qiao , Kang Zhou , Qi Li

Retrieval-augmented generation (RAG) has become a cornerstone of contemporary NLP, enhancing large language models (LLMs) by allowing them to access richer factual contexts through in-context retrieval. While effective in monolingual…

计算与语言 · 计算机科学 2026-03-31 Leonardo Ranaldi , Barry Haddow , Alexandra Birch

Key information extraction from document images is of paramount importance in office automation. Conventional template matching based approaches fail to generalize well to document images of unseen templates, and are not robust against text…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Hongbin Sun , Zhanghui Kuang , Xiaoyu Yue , Chenhao Lin , Wayne Zhang

Text preprocessing is an essential step in text mining. Removing words that can negatively impact the quality of prediction algorithms or are not informative enough is a crucial storage-saving technique in text indexing and results in…

信息检索 · 计算机科学 2020-12-07 Farah Alshanik , Amy Apon , Alexander Herzog , Ilya Safro , Justin Sybrandt

Mutual exclusion (ME) is one of the most commonly used techniques to handle conflicts in concurrent systems. Traditionally, mutual exclusion algorithms have been designed under the assumption that a process does not fail while…

分布式、并行与集群计算 · 计算机科学 2020-08-04 Sahil Dhoked , Neeraj Mittal

High Recall Retrieval (HRR), such as eDiscovery and medical systematic review, is a search problem that optimizes the cost of retrieving most relevant documents in a given collection. Iterative approaches, such as iterative relevance…

信息检索 · 计算机科学 2024-05-08 Eugene Yang

Recently, there have been significant advances in neural methods for tackling knowledge-intensive tasks such as open domain question answering (QA). These advances are fueled by combining large pre-trained language models with learnable…

计算与语言 · 计算机科学 2021-04-21 Hengxin Fun , Sunil Gandhi , Sujith Ravi

Table-to-text generation aims at automatically generating natural text to help people to conveniently obtain the important information in tables. Although neural models for table-to-text have achieved remarkable progress, some problems…

计算与语言 · 计算机科学 2021-03-31 Liang Li , Can Ma , Yinliang Yue , Linjun Shou , Dayong Hu

Recent advancements in language models (LMs) have notably enhanced their ability to reason with tabular data, primarily through program-aided mechanisms that manipulate and analyze tables. However, these methods often require the entire…

Natural language to SQL translation (Text-to-SQL) is one of the long-standing problems that has recently benefited from advances in Large Language Models (LLMs). While most academic Text-to-SQL benchmarks request schema description as a…

计算与语言 · 计算机科学 2026-01-13 Rajpreet Singh , Novak Boškov , Lawrence Drabeck , Aditya Gudal , Manzoor A. Khan

Retrieval-augmented generation (RAG) methods encounter difficulties when addressing complex questions like multi-hop queries. While iterative retrieval methods improve performance by gathering additional information, current approaches…

We introduce the THOR (Transformer Heuristics for On-Demand Retrieval) Module, designed and implemented by eSapiens, a secure, scalable engine that transforms natural-language questions into verified, read-only SQL analytics for enterprise…

数据库 · 计算机科学 2025-07-18 Isaac Shi , Zeyuan Li , Fan Liu , Wenli Wang , Lewei He , Yang Yang , Tianyu Shi

Large Language Models (LLMs) have demonstrated exceptional abilities in comprehending and generating text, motivating numerous researchers to utilize them for Information Extraction (IE) purposes, including Relation Extraction (RE).…

计算与语言 · 计算机科学 2024-07-29 Lilong Xue , Dan Zhang , Yuxiao Dong , Jie Tang

Open Information Extraction (OpenIE) aims to extract relational tuples from open-domain sentences. Traditional rule-based or statistical models have been developed based on syntactic structures of sentences, identified by syntactic parsers.…

计算与语言 · 计算机科学 2022-12-06 Kuicai Dong , Aixin Sun , Jung-Jae Kim , Xiaoli Li