activity
20202026
most citedChiMed-GPT: A Chinese Medical Large Language Model with Full Training Regime and Better Alignment to Human Preferences

10 citations · 20 across the 22 of their papers we have counts for

collaborators

25 papers

cs.CL2026

WPG-MoE: Weak-Prior-Guided Dense Mixture-of-Experts for User-Level Social Media Depression Detection

Xian Li, Yuanhe Tian, Yang Yang +2

Online social media posts provide scalable signals for early depression screening, and recent studies mainly improve pre-classification evidence through risk-post selection, sympto…

cs.CR2026

HIDBench: Benchmarking Large Language Models for Host-Based Intrusion Detection

Danyu Sun, Jinghuai Zhang, Yuan Tian +1

Recent benchmark efforts have advanced the evaluation of large language models (LLMs) in cybersecurity, including tasks such as penetration testing and vulnerability identification…

cs.SI2026

SURGE: An Event-Centric Social Media Sentiment Time Series Benchmark with Interaction Structure

Chen Su, Pengsen Cheng, Yuanhe Tian +1

Public events on social media generate large volumes of discussion whose collective dynamics carry direct value for opinion forecasting and crisis response. Capturing how these dyn…

cs.CL2026

Fine-grained Verbal Attack Detection via a Hierarchical Divide-and-Conquer Framework

Quan Zheng, Yuanhe Tian, Ming Wang +1

In the digital era, effective identification and analysis of verbal attacks are essential for maintaining online civility and ensuring social security. However, existing research i…

cs.CL2026

Explainable Multimodal Aspect-Based Sentiment Analysis with Dependency-guided Large Language Model

Zhongzheng Wang, Yuanhe Tian, Hongzhi Wang +1

Multimodal aspect-based sentiment analysis (MABSA) aims to identify aspect-level sentiments by jointly modeling textual and visual information, which is essential for fine-grained…

cs.CL2025

Chain-of-thought Reviewing and Correction for Time Series Question Answering

Chen Su, Yuanhe Tian, Yan Song

With the advancement of large language models (LLMs), diverse time series analysis tasks are reformulated as time series question answering (TSQA) through a unified natural languag…

cs.LG2025

MoE Pathfinder: Trajectory-driven Expert Pruning

Xican Yang, Yuanhe Tian, Yan Song

Mixture-of-experts (MoE) architectures used in large language models (LLMs) achieve state-of-the-art performance across diverse tasks yet face practical challenges such as deployme…

cs.CL2025

Frustratingly Easy Task-aware Pruning for Large Language Models

Yuanhe Tian, Junjie Liu, Xican Yang +2

Pruning provides a practical solution to reduce the resources required to run large language models (LLMs) to benefit from their effective capabilities as well as control their cos…

cs.CL2025

Text Reinforcement for Multimodal Time Series Forecasting

Chen Su, Yuanhe Tian, Yan Song +1

Recent studies in time series forecasting (TSF) use multimodal inputs, such as text and historical time series data, to predict future values. These studies mainly focus on develop…

cs.CL2025

ChiMed 2.0: Advancing Chinese Medical Dataset in Facilitating Large Language Modeling

Yuanhe Tian, Junjie Liu, Zhizhou Kou +2

Building high-quality data resources is crucial for advancing artificial intelligence research and applications in specific domains, particularly in the Chinese medical domain. Exi…

cs.CL2025

Evaluation of Coding Schemes for Transformer-based Gene Sequence Modeling

Chenlei Gong, Yuanhe Tian, Lei Mao +1

Currently, many studies view DNA sequences as a special type of language and utilize Transformers to model them. These studies use fixed-length k-mer segmentation and BPE subword t…

cs.CL2025

Fusing Large Language Models with Temporal Transformers for Time Series Forecasting

Chen Su, Yuanhe Tian, Qinyu Liu +2

Recently, large language models (LLMs) have demonstrated powerful capabilities in performing various tasks and thus are applied by recent studies to time series forecasting (TSF) t…

cs.CL2025

Balanced Training Data Augmentation for Aspect-Based Sentiment Analysis

Junjie Liu, Yuanhe Tian, Yan Song

Aspect-based sentiment analysis (ABSA) is a crucial fine-grained task in social media scenarios to identify the sentiment polarity of specific aspect terms in a sentence. Although…

cs.CV2025

Computed Tomography Visual Question Answering with Cross-modal Feature Graphing

Yuanhe Tian, Chen Su, Junwen Duan +1

Visual question answering (VQA) in medical imaging aims to support clinical diagnosis by automatically interpreting complex imaging data in response to natural language queries. Ex…

cs.CV2025

Recurrent Visual Feature Extraction and Stereo Attentions for CT Report Generation

Yuanhe Tian, Lei Mao, Yan Song

Generating reports for computed tomography (CT) images is a challenging task, while similar to existing studies for medical image report generation, yet has its unique characterist…

cs.CL2025

Large Language Models Enhanced by Plug and Play Syntactic Knowledge for Aspect-based Sentiment Analysis

Yuanhe Tian, Xu Li, Wei Wang +3

Aspect-based sentiment analysis (ABSA) generally requires a deep understanding of the contextual information, including the words associated with the aspect terms and their syntact…

cs.CL2025

Representation Decomposition for Learning Similarity and Contrastness Across Modalities for Affective Computing

Yuanhe Tian, Pengsen Cheng, Guoqing Jin +2

Multi-modal affective computing aims to automatically recognize and interpret human attitudes from diverse data sources such as images and text, thereby enhancing human-computer in…

cs.CL2025

Detoxification of Large Language Models through Output-layer Fusion with a Calibration Model

Yuanhe Tian, Mingjie Deng, Guoqing Jin +1

Existing approaches for Large language model (LLM) detoxification generally rely on training on large-scale non-toxic or human-annotated preference data, designing prompts to instr…

cs.LG2025

DNAZEN: Enhanced Gene Sequence Representations via Mixed Granularities of Coding Units

Lei Mao, Yuanhe Tian, Yan Song

Genome modeling conventionally treats gene sequence as a language, reflecting its structured motifs and long-range dependencies analogous to linguistic units and organization princ…

cs.CL2025

Multimodal Conditioned Diffusive Time Series Forecasting

Chen Su, Yuanhe Tian, Yan Song

Diffusion models achieve remarkable success in processing images and text, and have been extended to special domains such as time series forecasting (TSF). Existing diffusion-based…

cs.CL2023★ 10 cited

ChiMed-GPT: A Chinese Medical Large Language Model with Full Training Regime and Better Alignment to Human Preferences

Yuanhe Tian, Ruyi Gan, Yan Song +2

Recently, the increasing demand for superior medical services has highlighted the discrepancies in the medical infrastructure. With big data, especially texts, forming the foundati…

cs.CL2020★ 2 cited

Supertagging Combinatory Categorial Grammar with Attentive Graph Convolutional Networks

Yuanhe Tian, Yan Song, Fei Xia

Supertagging is conventionally regarded as an important task for combinatory categorial grammar (CCG) parsing, where effective modeling of contextual information is highly importan…

cs.CL2020★ 5 cited

Improving Named Entity Recognition with Attentive Ensemble of Syntactic Information

Yuyang Nie, Yuanhe Tian, Yan Song +2

Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the…

cs.CL2020★ 3 cited

Named Entity Recognition for Social Media Texts with Semantic Augmentation

Yuyang Nie, Yuanhe Tian, Xiang Wan +2

Existing approaches for named entity recognition suffer from data sparsity problems when conducted on short and informal texts, especially user-generated social media content. Sema…