activity
20192025
most citedDual Learning for Semi-Supervised Natural Language Understanding

17 citations · 75 across the 25 of their papers we have counts for

collaborators
Showing cs.CLShow all

20 papers · 1 filter

cs.CL2025

AirQA: A Comprehensive QA Dataset for AI Research with Instance-Level Evaluation

Tiancheng Huang, Ruisheng Cao, Yuxin Zhang +8

The growing volume of academic papers has made it increasingly difficult for researchers to efficiently extract key information. While large language models (LLMs) based agents are…

cs.CL2025

NeuSym-RAG: Hybrid Neural Symbolic Retrieval with Multiview Structuring for PDF Question Answering

Ruisheng Cao, Hanchong Zhang, Tiancheng Huang +8

The increasing number of academic papers poses significant challenges for researchers to efficiently acquire key details. While retrieval augmented generation (RAG) shows great pro…

cs.CL2024★ 2 cited

Reducing Tool Hallucination via Reliability Alignment

Hongshen Xu, Zichen Zhu, Lei Pan +6

Large Language Models (LLMs) have expanded their capabilities beyond language generation to interact with external tools, enabling automation and real-world applications. However,…

cs.CL2024★ 7 cited

Spider 2.0: Evaluating Language Models on Real-World Enterprise Text-to-SQL Workflows

Fangyu Lei, Jixuan Chen, Yuxiao Ye +13

Real-world enterprise text-to-SQL workflows often involve complex cloud or local data across various database systems, multiple SQL queries in various dialects, and diverse operati…

cs.CL2024★ 1 cited

CoE-SQL: In-Context Learning for Multi-Turn Text-to-SQL with Chain-of-Editions

Hanchong Zhang, Ruisheng Cao, Hongshen Xu +2

Recently, Large Language Models (LLMs) have been demonstrated to possess impressive capabilities in a variety of domains and tasks. We investigate the issue of prompt design in the…

cs.CL2024

Hierarchical Multimodal Pre-training for Visually Rich Webpage Understanding

Hongshen Xu, Lu Chen, Zihan Zhao +4

The growing prevalence of visually rich documents, such as webpages and scanned/digital-born documents (images, PDFs, etc.), has led to increased interest in automatic document und…

cs.CL2024

A BiRGAT Model for Multi-intent Spoken Language Understanding with Hierarchical Semantic Frames

Hongshen Xu, Ruisheng Cao, Su Zhu +4

Previous work on spoken language understanding (SLU) mainly focuses on single-intent settings, where each input utterance merely contains one user intent. This configuration signif…

cs.CL2023★ 1 cited

ASTormer: An AST Structure-aware Transformer Decoder for Text-to-SQL

Ruisheng Cao, Hanchong Zhang, Hongshen Xu +4

Text-to-SQL aims to generate an executable SQL program given the user utterance and the corresponding database schema. To ensure the well-formedness of output SQLs, one prominent a…

cs.CL2023★ 2 cited

ACT-SQL: In-Context Learning for Text-to-SQL with Automatically-Generated Chain-of-Thought

Hanchong Zhang, Ruisheng Cao, Lu Chen +2

Recently Large Language Models (LLMs) have been proven to have strong abilities in various domains and tasks. We study the problem of prompt designing in the text-to-SQL task and a…

cs.CL2023

CSS: A Large-scale Cross-schema Chinese Text-to-SQL Medical Dataset

Hanchong Zhang, Jieyu Li, Lu Chen +5

The cross-domain text-to-SQL task aims to build a system that can parse user questions into SQL on complete unseen databases, and the single-domain text-to-SQL task evaluates the p…

cs.CL2022★ 1 cited

TIE: Topological Information Enhanced Structural Reading Comprehension on Web Pages

Zihan Zhao, Lu Chen, Ruisheng Cao +3

Recently, the structural reading comprehension (SRC) task on web pages has attracted increasing research interests. Although previous SRC work has leveraged extra information such…

cs.CL2021★ 2 cited

Few-Shot NLU with Vector Projection Distance and Abstract Triangular CRF

Su Zhu, Lu Chen, Ruisheng Cao +3

Data sparsity problem is a key challenge of Natural Language Understanding (NLU), especially for a new target domain. By training an NLU model in source domains and applying the mo…

cs.CL2021★ 9 cited

LGESQL: Line Graph Enhanced Text-to-SQL Model with Mixed Local and Non-Local Relations

Ruisheng Cao, Lu Chen, Zhi Chen +3

This work aims to tackle the challenging heterogeneous graph encoding problem in the text-to-SQL task. Previous methods are typically node-centric and merely utilize different weig…

cs.CL2021★ 3 cited

Decoupled Dialogue Modeling and Semantic Parsing for Multi-Turn Text-to-SQL

Zhi Chen, Lu Chen, Hanqi Li +4

Recently, Text-to-SQL for multi-turn dialogue has attracted great interest. Here, the user input of the current turn is parsed into the corresponding SQL query of the appropriate d…

cs.CL2021★ 1 cited

ShadowGNN: Graph Projection Neural Network for Text-to-SQL Parser

Zhi Chen, Lu Chen, Yanbin Zhao +4

Given a database schema, Text-to-SQL aims to translate a natural language question into the corresponding SQL query. Under the setup of cross-domain, traditional semantic parsing m…

cs.CL2020★ 11 cited

Vector Projection Network for Few-shot Slot Tagging in Natural Language Understanding

Su Zhu, Ruisheng Cao, Lu Chen +1

Few-shot slot tagging becomes appealing for rapid domain transfer and adaptation, motivated by the tremendous development of conversational dialogue systems. In this paper, we prop…

cs.CL2020★ 4 cited

Unsupervised Dual Paraphrasing for Two-stage Semantic Parsing

Ruisheng Cao, Su Zhu, Chenyu Yang +5

One daunting problem for semantic parsing is the scarcity of annotation. Aiming to reduce nontrivial human labor, we propose a two-stage semantic parsing framework, where the first…

cs.CL2020★ 1 cited

Jointly Encoding Word Confusion Network and Dialogue Context with BERT for Spoken Language Understanding

Chen Liu, Su Zhu, Zijian Zhao +3

Spoken Language Understanding (SLU) converts hypotheses from automatic speech recognizer (ASR) into structured semantic representations. ASR recognition errors can severely degener…

cs.CL2020★ 17 cited

Dual Learning for Semi-Supervised Natural Language Understanding

Su Zhu, Ruisheng Cao, Kai Yu

Natural language understanding (NLU) converts sentences into structured semantic forms. The paucity of annotated training samples is still a fundamental challenge of NLU. To solve…

cs.CL2019★ 2 cited

Semantic Parsing with Dual Learning

Ruisheng Cao, Su Zhu, Chen Liu +2

Semantic parsing converts natural language queries into structured logical forms. The paucity of annotated training samples is a fundamental challenge in this field. In this work,…