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Jia Chen

25 accepted papers

2025

Adapting Precomputed Features for Efficient Graph Condensation

ICML 2025poster

Graph Neural Networks (GNNs) face significant computational challenges when handling large-scale graphs. To address this, Graph Condensation (GC) methods aim to compress large graphs into smaller, synthetic ones that are more manageable for GNN training. Recently, trajectory matching methods have sh…

2025

BLADE: Enhancing Black-Box Large Language Models with Small Domain-Specific Models

AAAI 2025technical

Large Language Models (LLMs) like ChatGPT and GPT-4 are versatile and capable of addressing open-domain question-answering(QA) tasks effectively. However, general LLMs, which are developed on open-domain data, may lack the domain-specific knowledge essential for tasks in vertical domains, such as l…

2025

DELTA: Pre-Train a Discriminative Encoder for Legal Case Retrieval via Structural Word Alignment

AAAI 2025technical

Recent research demonstrates the effectiveness of using pre-trained language models for legal case retrieval. Most of the existing works focus on improving the representation ability for the contextualized embedding of the [CLS] token and calculate relevance using textual semantic similarity. Howeve…

2025

Dialect-SQL: An Adaptive Framework for Bridging the Dialect Gap in Text-to-SQL

EMNLP 2025

Text-to-SQL is the task of translating natural language questions into SQL queries based on relational databases. Different databases implement their own SQL dialects, leading to variations in syntax. As a result, SQL queries designed for one database may not execute properly in another, creating a

2025

ExpertGenQA: Open-ended QA generation in Specialized Domains

EMNLP 2025

Generating high-quality question–answer (QA) pairs for specialized technical domains is essential for advancing knowledge comprehension, yet remains challenging. Existing methods often yield generic or shallow questions that fail to reflect the depth and structure of expert-written examples. We prop

2025

Gen-SQL: Efficient Text-to-SQL By Bridging Natural Language Question And Database Schema With Pseudo-Schema

COLING 2025main

With the prevalence of Large Language Models (LLMs), recent studies have shifted paradigms and leveraged LLMs to tackle the challenging task of Text-to-SQL. Because of the complexity of real world databases, previous works adopt the retrieve-then-generate framework to retrieve relevant database sche…

2025

Multi-Label Node Classification with Label Influence Propagation

ICLR 2025poster

Graphs are a complex and versatile data structure used across various domains, with possibly multi-label nodes playing a particularly crucial role. Examples include proteins in PPI networks with multiple functions and users in social or e-commerce networks exhibiting diverse interests. Tackling mu…

Cited by 0SourcePDFScholar
2025

Pet-NODE Modeling: Embedding Priors and Time-Series Features into Neural ODE

IROS 2025

Accurate modeling of dynamic systems is essential for robotics, enhancing system perception and control performance. This work tackles causal modeling challenges for mobile robots under complex uncertainties, including internal model inaccuracies and external environmental disturbances. Unlike first

Cited by 0SourceScholar
2025

SelfRACG: Enabling LLMs to Self-Express and Retrieve for Code Generation

EMNLP 2025

Existing retrieval-augmented code generation (RACG) methods typically use an external retrieval module to fetch semantically similar code snippets used for generating subsequent fragments. However, even for consecutive code fragments, the content often diverges due to logical progression, resulting

2025

U2AD: A UAV-Assisted Autonomous Driving Framework for Enhancing Vehicle Risk Perception and Decision-Making Capabilities

ICASSP 2025accepted

With the rapid development of intelligent transportation systems, autonomous driving (AD) is gradually becoming the primary mode of transportation for the future. However, safety still remains the critical challenge for the widespread adoption of automated vehicles. The ego vehicle is subject to sig…

Cited by 0SourceScholar
2024

Adversarial Attacks on Parts of Speech: An Empirical Study in Text-to-Image Generation

EMNLP 2024finding

Recent studies show that text-to-image (T2I) models are vulnerable to adversarial attacks, especially with noun perturbations in text prompts. In this study, we investigate the impact of adversarial attacks on different POS tags within text prompts on the images generated by T2I models. We create a…

2024

Consistency Training with Learnable Data Augmentation for Graph Anomaly Detection with Limited Supervision

ICLR 2024spotlight

Graph Anomaly Detection (GAD) has surfaced as a significant field of research, predominantly due to its substantial influence in production environments. Although existing approaches for node anomaly detection have shown effectiveness, they have yet to fully address two major challenges: operating i…

2024

Partitioning Message Passing for Graph Fraud Detection

ICLR 2024poster

Label imbalance and homophily-heterophily mixture are the fundamental problems encountered when applying Graph Neural Networks (GNNs) to Graph Fraud Detection (GFD) tasks. Existing GNN-based GFD models are designed to augment graph structure to accommodate the inductive bias of GNNs towards homophil…

Cited by 30SourcePDFScholar
2024

SGM: A Dataset for 3D Garment Reconstruction from Single Hand-Drawn Sketch

ICASSP 2024accepted

High-fidelity garment reconstruction is essential for various applications such as garment design and virtual try-on. While image-based reconstruction methods have made significant progress with deep generative models, generating 3D models from hand-drawn sketches to meet design intentions remains c…

Cited by 0SourceScholar
2024

Wikiformer: Pre-training with Structured Information of Wikipedia for Ad-Hoc Retrieval

AAAI 2024technical

With the development of deep learning and natural language processing techniques, pre-trained language models have been widely used to solve information retrieval (IR) problems. Benefiting from the pre-training and fine-tuning paradigm, these models achieve state-of-the-art performance. In previous…

2022

3CROSSNet: Cross-Level Cross-Scale Cross-Attention Network for Point Cloud Representation

RA-L 2022

Self-attention mechanism recently achieves impressive advancement in Natural Language Processing (NLP) and Image Processing domains. Its permutation invariance property makes it ideally suitable for point cloud processing. Inspired by this remarkable success, we propose an end-to-end architecture, d

Cited by 38SourceScholar
2021

A Triplet Appearance Parsing Network for Person Re-Identification

ICASSP 2021accepted

As one of the specific vision tasks, person re-identification has become a prevalent research topic in the field of multimedia and computer vision. However, existing feature extraction methods, originating from the quality of the bounding boxes which could cause the inhomogeneity and incoherence of…

Cited by 0SourceScholar
2020

Towards Playing Full MOBA Games with Deep Reinforcement Learning

NeurIPS 2020poster

MOBA games, e.g., Honor of Kings, League of Legends, and Dota 2, pose grand challenges to AI systems such as multi-agent, enormous state-action space, complex action control, etc. Developing AI for playing MOBA games has raised much attention accordingly. However, existing work falls short in handli…

2018

Dpca: Dimensionality Reduction for Discriminative Analytics of Multiple Large-Scale Datasets

ICASSP 2018accepted

Principal component analysis (PCA) has well-documented merits for data extraction and dimensionality reduction. PCA deals with a single dataset at a time, and it is challenged when it comes to analyzing multiple datasets. Yet in certain setups, one wishes to extract the most significant information…

Cited by 0SourceScholar
2017

Synchronization for multi-perspective videos in the wild

ICASSP 2017accepted

In the era of social media, a large number of user-generated videos are uploaded to the Internet every day, capturing events all over the world. Reconstructing the event truth based on information mined from these videos has been an emerging challenging task. Temporal alignment of videos “in the wil…

Cited by 0SourceScholar