Publications (34)
Superior thermal conductivity of poly (ethylene oxide) for solid-state electrolytes: a molecular dynamics study
Han Meng, Xiaoxiang Yu, Hao Feng +2
Solid-state lithium-ion batteries (SSLIBs) are considered to be the new generation of devices for energy storage due to better performance and safety. Poly (ethylene oxide) (PEO) b…
Towards Semantic-based Agent Communication Networks: Vision, Technologies, and Challenges
Ping Zhang, Rui Meng, Xiaodong Xu +24
The International Telecommunication Union (ITU) identifies "Artificial Intelligence (AI) and Communication" as one of six key usage scenarios for 6G. Agentic AI, characterized by i…
DIP: Dynamic In-Context Planner For Diffusion Language Models
Yang Li, Han Meng, Chenan Wang +1
Diffusion language models (DLMs) have shown strong potential for general natural language tasks with in-context examples. However, due to the bidirectional attention mechanism, DLM…
IFDID: Information Filter upon Diversity-Improved Decoding for Diversity-Faithfulness Tradeoff in NLG
Han Meng, Xiaosong He, Zexing Chen +1
Some Natural Language Generation (NLG) tasks require both faithfulness and diversity. The decoding strategy is intensively related to the quality of the generated text. Strategies…
Evolving Intelligent Complex Systems via Intellicise Networks: Architecture, Technologies, and Pathways
Ping Zhang, Rui Meng, Xiaodong Xu +23
Future engineering infrastructures are evolving into large-scale, open, heterogeneous, and wirelessly interconnected complex systems. These systems present significant challenges i…
Thermal conductivity of molybdenum disulfide nanotube from molecular dynamics simulations
Han Meng, Dengke Ma, Xiaoxiang Yu +3
Single layer molybdenum disulfide (SLMoS2), a semiconductor possesses intrinsic bandgap and high electron mobility, has attracted great attention due to its unique electronic, opti…
The unexpected thermal conductivity from graphene disk, carbon nanocone to carbon nanotube
Dengke Ma, Han Meng, Xiaoman Wang +2
Graphene and single-wall carbon nanotube (SWCNT) have attracted great attention because of their ultra-high thermal conductivity. However, there are few works exploring the relatio…
Designing Computational Tools for Exploring Causal Relationships in Qualitative Data
Han Meng, Qiuyuan Lyu, Peinuan Qin +4
Exploring causal relationships for qualitative data analysis in HCI and social science research enables the understanding of user needs and theory building. However, current comput…
Empowering Social Service with AI: Insights from a Participatory Design Study with Practitioners
Yugin Tan, Kai Xin Soh, Renwen Zhang +4
In social service, administrative burdens and decision-making challenges often hinder practitioners from performing effective casework. Generative AI (GenAI) offers significant pot…
Nano-Cross-Junction Effect on Phonon Transport in Silicon-Nanowire-Cages
Dengke Ma, Hongru Ding, Han Meng +4
Wave effects of phonons can give rise to controllability of heat conduction beyond that by particle scattering at surfaces and interfaces. In this work, we propose a new class of 3…
From Standard English to Singlish: A Retrieval-Augmented Approach for Code-Switched Creole Generation in Large Language Models
Foong Ming Lai, Yujin Tan, Han Meng +1
Code-switching in contact varieties like Singaporean English (Singlish) challenges natural language generation due to limited parallel data and rapid lexical evolution. We propose…
Higher-Order-Phonon Scattering Governs Targeted Control of Heat Conduction in Bulk Boron Arsenide
Tianhao Li, Yangjun Qin, Dongkai Pan +3
Conventional approaches for modulating thermal conductivity usually rely on structural modifications and therefore cannot achieve reversible in situ regulation. Targeted phonon exc…
Knudsen-Controlled Switching of Thermal Conductivity Response by Targeted Phonon Excitation
Shixian Liu, Tianhao Li, Fei Yin +4
Targeted phonon excitation offers a route to dynamically control heat conduction, yet no general principle predicts whether a spectrally selective nonequilibrium phonon population…
Thermal conductivity of one-dimensional carbon-boron nitride van der Waals heterostructure: A molecular dynamics study
Han Meng, Shigeo Maruyama, Rong Xiang +1
Investigating thermal transport in van der Waals heterostructure is of scientific interest and practical importance for their applications in a broad range. In this work, thermal c…
Population Aware Diffusion for Time Series Generation
Yang Li, Han Meng, Zhenyu Bi +2
Diffusion models have shown promising ability in generating high-quality time series (TS) data. Despite the initial success, existing works mostly focus on the authenticity of data…
Multi-faceted Graph Attention Network for Radar Target Recognition in Heterogeneous Radar Network
Han Meng, Yuexing Peng, Wei Xiang +2
Radar target recognition (RTR), as a key technology of intelligent radar systems, has been well investigated. Accurate RTR at low signal-to-noise ratios (SNRs) still remains an ope…
What is Stigma Attributed to? A Theory-Grounded, Expert-Annotated Interview Corpus for Demystifying Mental-Health Stigma
Han Meng, Yancan Chen, Yunan Li +4
Mental-health stigma remains a pervasive social problem that hampers treatment-seeking and recovery. Existing resources for training neural models to finely classify such stigma ar…
CCCL: Node-Spanning GPU Collectives with CXL Memory Pooling
Dong Xu, Han Meng, Xinyu Chen +11
Large language models (LLMs) training or inference across multiple nodes introduces significant pressure on GPU memory and interconnect bandwidth. The Compute Express Link (CXL) sh…
SUSY QCD corrections to W production in polarized hadronic collisions
Han Meng, Ma Wen-Gan, Han Liang +1
We present the calculation of the supersymmetric QCD correction to production process in polarized proton-antiproton collisions at the TeV energy region. We find that the co…
Large Language Models in Medical Term Classification and Unexpected Misalignment Between Response and Reasoning
Xiaodan Zhang, Sandeep Vemulapalli, Nabasmita Talukdar +11
This study assesses the ability of state-of-the-art large language models (LLMs) including GPT-3.5, GPT-4, Falcon, and LLaMA 2 to identify patients with mild cognitive impairment (…
Pair production of charged Higgs bosons in gluon-gluon collisions
Jiang Yi, Han Liang, Ma Wen-Gan +2
We studied the pair production rate of charged Higgs bosons via gluon-gluon collisions in the general two-Higgs-doublet model. The analysis of its production are made with possible…
The Dark Side of AI Companionship: A Taxonomy of Harmful Algorithmic Behaviors in Human-AI Relationships
Renwen Zhang, Han Li, Han Meng +3
As conversational AI systems increasingly permeate the socio-emotional realms of human life, they bring both benefits and risks to individuals and society. Despite extensive resear…
ConvScale: Conversational Interviews for Scale-Aligned Measurement
Peinuan Qin, Jingzhu Chen, Yitian Yang +3
Conversational interviews are commonly used to complement structured surveys by eliciting rich and contextualized responses, which are typically analyzed qualitatively. However, th…
Probing flavor changing interactions in photon-photon collisions
Jiang Yi, Zhou Mian-Lai, Ma Wen-Gan +3
We examine the subprocess at electron-positron colliders in the two-Higgs-doublet model with flavor-changing scalar couplings, where all the one-loop co…
Statistically Accurate and Robust Generative Prediction of Rock Discontinuities with A Tabular Foundation Model
Han Meng, Gang Mei, Hong Tian +2
Rock discontinuities critically govern the mechanical behavior and stability of rock masses. Their internal distributions remain largely unobservable and are typically inferred fro…
Exploring the Human-LLM Synergy in Advancing Theory-driven Qualitative Analysis
Han Meng, Yitian Yang, Wayne Fu +3
Qualitative coding is a demanding yet crucial research method in the field of Human-Computer Interaction (HCI). While recent studies have shown the capability of large language mod…
Dato: A Task-Based Programming Model for Dataflow Accelerators
Shihan Fang, Hongzheng Chen, Niansong Zhang +4
Recent deep learning workloads increasingly push computational demand beyond what current memory systems can sustain, with many kernels stalling on data movement rather than comput…
How Does van der Waals Confinement Enhance Phonon Transport?
Xiaoxiang Yu, Dengke Ma, Chengcheng Deng +6
The van der Waals (vdW) interactions exist in reality universally and play an important role in physics. Here, we show the study on the mechanism of vdW interactions on phonon tran…
Spatio-Temporal-Frequency Graph Attention Convolutional Network for Aircraft Recognition Based on Heterogeneous Radar Network
Han Meng, Yuexing Peng, Wenbo Wang +3
This paper proposes a knowledge-and-data-driven graph neural network-based collaboration learning model for reliable aircraft recognition in a heterogeneous radar network. The airc…
Generalized two-temperature model for coupled phonons
Meng An, Qichen Song, Xiaoxiang Yu +6
The design of graphene-based composite with high thermal conductivity requires a comprehensive understanding of phonon coupling in graphene. We extended the two-temperature model t…
SUSY charged Higgs boson pair production via gluon-gluon collisions
Jiang Yi, Ma Wen-gan, Han Liang +2
The production of charged Higgs boson pairs from gluon-gluon fusion is studied in the minimal supersymmetric model(MSSM) at proton-proton colliders. We find that the contribution o…
ChunkFlow: Communication-Aware Chunked Prefetching for Layerwise Offloading in Distributed Diffusion Transformer Inference
Han Meng, Danny Willow Liu, Dong Li
Layerwise offloading reduces the GPU memory footprint of large diffusion transformer (DiT) inference by prefetching upcoming layers from host memory, but its effectiveness hinges o…
Deconstructing Depression Stigma: Integrating AI-driven Data Collection and Analysis with Causal Knowledge Graphs
Han Meng, Renwen Zhang, Ganyi Wang +4
Mental-illness stigma is a persistent social problem, hampering both treatment-seeking and recovery. Accordingly, there is a pressing need to understand it more clearly, but analyz…
ALATDYN: a set of Anharmonic LATtice DYNamics codes to compute thermodynamic and thermal transport properties of crystalline solids
Keivan Esfarjani, Harold Stokes, Safoura Nayeb Sadeghi +6
We introduce a lattice dynamics package which calculates elastic, thermodynamic and thermal transport properties of crystalline materials from data on their force and potential ene…