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相关论文: Graphix-T5: Mixing Pre-Trained Transformers with G…

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Structured data, prevalent in tables, databases, and knowledge graphs, poses a significant challenge in its representation. With the advent of large language models (LLMs), there has been a shift towards linearization-based methods, which…

计算与语言 · 计算机科学 2024-04-04 Yutong Shao , Ndapa Nakashole

This paper presents the development process of a natural language to SQL model using the T5 model as the basis. The models, developed in August 2022 for an online transaction processing system and a data warehouse, have a 73\% and 84\%…

Data visualization (DV) is the fundamental and premise tool to improve the efficiency in conveying the insights behind the big data, which has been widely accepted in existing data-driven world. Task automation in DV, such as converting…

计算与语言 · 计算机科学 2025-05-28 Zhuoyue Wan , Yuanfeng Song , Shuaimin Li , Chen Jason Zhang , Raymond Chi-Wing Wong

Conventional text-to-SQL parsers are not good at synthesizing complex SQL queries that involve multiple tables or columns, due to the challenges inherent in identifying the correct schema items and performing accurate alignment between…

计算与语言 · 计算机科学 2024-03-18 Yangjun Wu , Han Wang

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

计算与语言 · 计算机科学 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

Exploring the generalization of a text-to-SQL parser is essential for a system to automatically adapt the real-world databases. Previous works provided investigations focusing on lexical diversity, including the influence of the synonym and…

人工智能 · 计算机科学 2023-01-24 Jieyu Li , Lu Chen , Ruisheng Cao , Su Zhu , Hongshen Xu , Zhi Chen , Hanchong Zhang , Kai Yu

Large scale pretrained models have revolutionized Natural Language Processing (NLP) and Computer Vision (CV), showcasing remarkable cross domain generalization abilities. However, in graph learning, models are typically trained on…

计算与语言 · 计算机科学 2025-10-03 Ruyue Liu , Rong Yin , Xiangzhen Bo , Xiaoshuai Hao , Yong Liu , Jinwen Zhong , Can Ma , Weiping Wang

Text-to-text transformers have shown remarkable success in the task of multi-task transfer learning, especially in natural language processing (NLP). However, while there have been several attempts to train transformers on different…

计算与语言 · 计算机科学 2022-09-22 Adebayo Oshingbesan , Courage Ekoh , Germann Atakpa , Yonah Byaruagaba

Generating accurate SQL from users' natural language questions (text-to-SQL) remains a long-standing challenge due to the complexities involved in user question understanding, database schema comprehension, and SQL generation. Traditional…

计算与语言 · 计算机科学 2025-11-25 Zijin Hong , Zheng Yuan , Qinggang Zhang , Hao Chen , Junnan Dong , Feiran Huang , Xiao Huang

Text-to-SQL is a subtask in semantic parsing that has seen rapid progress with the evolution of Large Language Models (LLMs). However, LLMs face challenges due to hallucination issues and a lack of domain-specific database knowledge(such as…

计算与语言 · 计算机科学 2025-02-26 Xingyu Ma , Xin Tian , Lingxiang Wu , Xuepeng Wang , Xueming Tang , Jinqiao Wang

Predicting linearized Abstract Meaning Representation (AMR) graphs using pre-trained sequence-to-sequence Transformer models has recently led to large improvements on AMR parsing benchmarks. These parsers are simple and avoid explicit…

计算与语言 · 计算机科学 2021-11-01 Jiawei Zhou , Tahira Naseem , Ramón Fernandez Astudillo , Young-Suk Lee , Radu Florian , Salim Roukos

The transformer-based pre-trained language models have been tremendously successful in most of the conventional NLP tasks. But they often struggle in those tasks where numerical understanding is required. Some possible reasons can be the…

计算与语言 · 计算机科学 2021-09-13 Kuntal Kumar Pal , Chitta Baral

Graph-matching metrics such as Smatch are the de facto standard for evaluating neural semantic parsers, yet they capture surface overlap rather than logical equivalence. We reassess evaluation by pairing graph-matching with automated…

计算与语言 · 计算机科学 2025-10-14 Hayate Funakura , Hyunsoo Kim , Koji Mineshima

We argue that Transformers are essentially graph-to-graph models, with sequences just being a special case. Attention weights are functionally equivalent to graph edges. Our Graph-to-Graph Transformer architecture makes this ability…

计算与语言 · 计算机科学 2023-10-30 James Henderson , Alireza Mohammadshahi , Andrei C. Coman , Lesly Miculicich

Graph-structured data plays a vital role in numerous domains, such as social networks, citation networks, commonsense reasoning graphs and knowledge graphs. While graph neural networks have been employed for graph processing, recent…

计算与语言 · 计算机科学 2026-05-19 Wooyoung Kim , Byungyoon Park , Wooju Kim

Graphs are able to model interconnected entities in many online services, supporting a wide range of applications on the Web. This raises an important question: How can we train a graph foundational model on multiple source domains and…

计算与语言 · 计算机科学 2025-04-15 Xingtong Yu , Zechuan Gong , Chang Zhou , Yuan Fang , Hui Zhang

Graph-to-text (G2T) generation and text-to-graph (T2G) triple extraction are two essential tasks for constructing and applying knowledge graphs. Existing unsupervised approaches turn out to be suitable candidates for jointly learning the…

计算与语言 · 计算机科学 2022-09-23 Yi Xu , Luoyi Fu , Zhouhan Lin , Jiexing Qi , Xinbing Wang

Text-to-SQL systems facilitate smooth interaction with databases by translating natural language queries into Structured Query Language (SQL), bridging the gap between non-technical users and complex database management systems. This survey…

人工智能 · 计算机科学 2025-01-24 Aditi Singh , Akash Shetty , Abul Ehtesham , Saket Kumar , Tala Talaei Khoei

Text-to-SQL aims to translate natural language queries into SQL statements, which is practical as it enables anyone to easily retrieve the desired information from databases. Recently, many existing approaches tackle this problem with Large…

Knowledge graphs use nodes, relationships, and properties to represent arbitrarily complex data. When stored in a graph database, the Cypher query language enables efficient modeling and querying of knowledge graphs. However, using Cypher…

机器学习 · 计算机科学 2024-12-16 Makbule Gulcin Ozsoy , Leila Messallem , Jon Besga , Gianandrea Minneci