P
PaperPicks
Conferences
Researchers
Sponsors ♥
Hao Zhang
72 papers at tracked venues · 40 at CORE A* · active 2024–2026
DBLP profile ↗
ORCID search ↗
Venues
ACL
×15
IROS
×8
EMNLP
×6
NeurIPS
×5
ICLR
×4
ICRA
×4
MICCAI
×4
CVPR
×3
ICML
×3
AAAI
×2
ACM MM
×2
ICDE
×2
AAMAS
×1
CCS
×1
CHES
×1
CHI
×1
ECCV
×1
ICCV
×1
ICDM
×1
ICSME
×1
ISSRE
×1
InterSpeech
×1
NAACL
×1
UbiComp/ISWC
×1
WACV
×1
WWW
×1
Frequent coauthors
Zhijiang Guo
×4
Chenglin Li
×3
Wenrui Dai
×3
Junni Zou
×3
Hongkai Xiong
×3
Shuyang Zhang
×2
Xiuyuan Hu
×2
Xiaonan Wang
×2
Yefeng Liu
×2
Chenyu Zhu
×2
Longyue Wang
×2
Weihua Luo
×2
Papers
Adaptive Prompt Optimization for Open-Ended Tasks: Uncertainty Preference as a Secondary Signal
BibTeX ⧉
ACL 2026
·
Shuyang Zhang
,
Zhixuan Liu
,
Zhichen Dong
,
Hao Zhang
,
Chaochao Lu
,
Chao Yang
Arctic-Text2SQL-R1: Simple Rewards, Strong Reasoning in Text-to-SQL
BibTeX ⧉
ACL 2026
·
Zhewei Yao
,
Guoheng Sun
,
Lukasz Borchmann
,
Zheyu Shen
,
Minghang Deng
,
Bohan Zhai
,
Hao Zhang
,
Ang Li
,
Yuxiong He
Beyond Output Confidence: Epistemic-Aware Hallucination Detection with Answer-Level Signals
BibTeX ⧉
ACL 2026
·
Jieran Li
,
Xiuyuan Hu
,
Yang Zhao
,
Dongbiao Sun
,
Hao Zhang
CycleChemist: A Dual-Pronged Machine Learning Framework for Organic Photovoltaic Discovery
BibTeX ⧉
AAAI 2026
·
Hou Hei Lam
,
Jiangjie Qiu
,
Xiuyuan Hu
,
Wentao Li
,
Fankun Zeng
,
Siwei Fu
,
Hao Zhang
,
Xiaonan Wang
DetectRL-X: Towards Reliable Multilingual and Real-World LLM-Generated Text Detection
BibTeX ⧉
ACL 2026
·
Junchao Wu
,
Yefeng Liu
,
Chenyu Zhu
,
Hao Zhang
,
Zeyu Wu
,
Tianqi Shi
,
Yichao Du
,
Longyue Wang
,
Weihua Luo
,
Jinsong Su
,
Derek F. Wong
Drifting with Intent: Generative Interest Trajectories for Multimodal Web Recommendation
BibTeX ⧉
WWW 2026
·
Weilin Zhou
,
Hao Zhang
,
Guangxin Wu
EvoHyper: Evolving Hypergraph Topologies for Unified Collaboration in Multi-Agent Communication
BibTeX ⧉
ACL 2026
·
Heng Zhang
,
Yihao Zhong
,
Lubin Gan
,
Zhihe Chen
,
Jiajun Wu
,
Yuling Shi
,
Xiaodong Gu
,
Hao Zhang
,
Haochen You
,
Jin Huang
HyperAdaLoRA: Accelerating LoRA Rank Allocation During Training via Hypernetworks without Sacrificing Performance
BibTeX ⧉
ACL 2026
·
Hao Zhang
,
Zhenjia Li
,
Yifan Gao
,
Xi Xiao
,
Heng Zhang
,
Shuyang Zhang
,
Xiaoxincc
,
Bo Huang
,
Yuhang Wu
,
Tianyang Wang
,
Hao Xu
PDTrim: Targeted Pruning for Prefill-Decode Disaggregation in Inference
BibTeX ⧉
ACL 2026
·
Hao Zhang
,
Mengsi Lyu
,
Zhuo Chen
,
Yulong Ao
,
Yonghua Lin
REG4Rec: Reasoning-Enhanced Generative Model for Large-Scale Recommendation Systems
BibTeX ⧉
ICDE 2026
·
Haibo Xing
,
Hao Deng
,
Yucheng Mao
,
Lingyu Mu
,
Jinxin Hu
,
Yi Xu
,
Hao Zhang
,
Jiahao Wang
,
Shizhun Wang
,
Yu Zhang
,
Xiaoyi Zeng
,
Jing Zhang
SPRITE: From Static Mockups to Engine-Ready GameUI
BibTeX ⧉
CHI 2026
·
Yunshu Bai
,
Ruihao Li
,
Hao Zhang
,
Chien Her Lim
,
Ming Yan
,
Mengtian Li
SQLVec: SQL-Based Vector Similarity Search
BibTeX ⧉
ICDE 2026
·
Zhequn Zhang
,
Yuanyuan Zhu
,
Hao Zhang
,
Jeffrey Xu Yu
Tiny Scales, Great Challenges: The Limits of Multimodal LLMs in Scale Recognition
BibTeX ⧉
ACL 2026
·
Jihang Jin
,
Ronghao Chen
,
Hao Zhang
,
Ziyan Liu
,
Huacan Wang
,
Qi Ye
,
Jingping Liu
Tree-CoT-RT: An Explainable Multi-Path Tree-Guided Chain-of-Thought and Reinforcement Learning Framework for Aspect Sentiment Quad Prediction
BibTeX ⧉
ACL 2026
·
Hao Zhang
,
Jiahao Wang
,
Zhenke Duan
,
Xin Yin
,
Haichuan Hu
,
Hualong Chen
,
Yi Su
,
Congqing He
,
Yike Tan
,
Yu-N Cheah
TrimTokenator: Towards Adaptive Visual Token Pruning for Large Multimodal Models
BibTeX ⧉
ACL 2026
·
Hao Zhang
,
Mengsi Lyu
,
Chenrui He
,
Yulong Ao
,
Yonghua Lin
A Convolutional Block Attention Module and Multi-band Fusion Network for Embedded AR-SSVEP BCI Systems
BibTeX ⧉
UbiComp/ISWC 2025
·
Hao Zhang
,
Ying Sun
,
Qiaoyi Wang
,
Kang Ma
,
Shuailei Zhang
,
Feiyang Zhang
,
Chun Hu
,
Dezhi Zheng
A Multi-modal Deep Learning Framework for Head and Neck Tumor Segmentation and Survival Prediction
BibTeX ⧉
MICCAI 2025
·
Fuyou Mao
,
Yanfeng Jiang
,
Yanbing Jiang
,
Xinyuan Zheng
,
Naye Ji
,
Hao Zhang
,
Yan Tang
Alleviating Hallucinations in Large Language Models through Multi-Model Contrastive Decoding and Dynamic Hallucination Detection
BibTeX ⧉
NeurIPS 2025
·
Chenyu Zhu
,
Yefeng Liu
,
Hao Zhang
,
Aowen Wang
,
Yangxue
,
Guanhua Chen
,
Longyue Wang
,
Weihua Luo
,
Kaifu Zhang
Camouflaged Object Tracking: A Benchmark
BibTeX ⧉
ACM MM 2025
·
Xiaoyu Guo
,
Pengzhi Zhong
,
Hao Zhang
,
Defeng Huang
,
Huikai Shao
,
Qijun Zhao
,
Shuiwang Li
CtrlA: Adaptive Retrieval-Augmented Generation via Inherent Control
BibTeX ⧉
ACL 2025
·
Huanshuo Liu
,
Hao Zhang
,
Zhijiang Guo
,
Jing Wang
,
Kuicai Dong
,
Xiangyang Li
,
Yi Quan Lee
,
Cong Zhang
,
Yong Liu
Depth Estimation Based on 3D Gaussian Splatting Siamese Defocus
BibTeX ⧉
ICRA 2025
·
Jinchang Zhang
,
Ningning Xu
,
Hao Zhang
,
Guoyu Lu
FedSMU: Communication-Efficient and Generalization-Enhanced Federated Learning through Symbolic Model Updates
BibTeX ⧉
ICML 2025
·
Xinyi Lu
,
Hao Zhang
,
Chenglin Li
,
Weijia Lu
,
Zhifei Yang
,
Wenrui Dai
,
Xiaodong Zhang
,
Xiaofeng Ma
,
Can Zhang
,
Junni Zou
,
Hongkai Xiong
Frame-Voyager: Learning to Query Frames for Video Large Language Models
BibTeX ⧉
ICLR 2025
·
Sicheng Yu
,
Chengkai Jin
,
Huanyu Wang
,
Zhenghao Chen
,
Sheng Jin
,
Zhongrong Zuo
,
Xiaolei Xu
,
Zhenbang Sun
,
Bingni Zhang
,
Jiawei Wu
,
Hao Zhang
,
Qianru Sun
FreeSim: Toward Free-viewpoint Camera Simulation in Driving Scenes
BibTeX ⧉
CVPR 2025
·
Lue Fan
,
Hao Zhang
,
Qitai Wang
,
Hongsheng Li
,
Zhaoxiang Zhang
Geometry and Force-Informed Robotic Assembly with Small Relative Initial Deviations for Circular Electrical Connectors
BibTeX ⧉
ICRA 2025
·
Zhenyu Wang
,
Xiangfei Li
,
Huan Zhao
,
Lingjun Shao
,
Hao Zhang
,
Han Ding
HEATS: A Hierarchical Framework for Efficient Autonomous Target Search with Mobile Manipulators
BibTeX ⧉
IROS 2025
·
Hao Zhang
,
Yifei Wang
,
Weifan Zhang
,
Yu Wang
,
Haoyao Chen
HeightMapNet: Explicit Height Modeling for End-to-End HD Map Learning
BibTeX ⧉
WACV 2025
·
Wenzhao Qiu
,
Shanmin Pang
,
Hao Zhang
,
Jianwu Fang
,
Jianru Xue
Imore: Implicit Program-Guided Reasoning for Human Motion QA
BibTeX ⧉
ICCV 2025
·
Chen Li
,
Chinthani Sugandhika
,
Ee Yeo Keat
,
Eric P. Xing
,
Hao Zhang
,
Hong Yang
,
Deepu Rajan
,
Basura Fernando
Knowledge-Enhanced Complementary Information Fusion with Temporal Heterogeneous Graph Learning for Disease Prediction
BibTeX ⧉
MICCAI 2025
·
Zongbao Yang
,
Shihuan He
,
Zhichen Chen
,
Hao Zhang
,
Ruxin Wang
LBI-FL: Low-Bit Integerized Federated Learning with Temporally Dynamic Bit-Width Allocation
BibTeX ⧉
ICML 2025
·
Li Ding
,
Hao Zhang
,
Wenrui Dai
,
Chenglin Li
,
Weijia Lu
,
Zhifei Yang
,
Xiaodong Zhang
,
Xiaofeng Ma
,
Junni Zou
,
Hongkai Xiong
Long-form Hallucination Detection with Self-elicitation
BibTeX ⧉
ACL 2025
·
Zihang Liu
,
Jiawei Guo
,
Hao Zhang
,
Hongyang Chen
,
Jiajun Bu
,
Haishuai Wang
MTA-VPS: A Large-scale Benchmark for Video-Based Person Search
BibTeX ⧉
CVPR 2025
·
Ding Qi
,
Shuguang Dou
,
Jian Liu
,
Huaixuan Cao
,
Hao Zhang
,
Dongsheng Jiang
,
Cairong Zhao
MatryoshkaKV: Adaptive KV Compression via Trainable Orthogonal Projection
BibTeX ⧉
ICLR 2025
·
Bokai Lin
,
Zihao Zeng
,
Zipeng Xiao
,
Siqi Kou
,
TianQi Hou
,
Xiaofeng Gao
,
Hao Zhang
,
Zhijie Deng
MoPFormer: Motion-Primitive Transformer for Wearable-Sensor Activity Recognition
BibTeX ⧉
NeurIPS 2025
·
Hao Zhang
,
Zhan Zhuang
,
Xuehao Wang
,
Xiaodong Yang
,
Yu Zhang
Multiscale Graph and Multi-step Cross-Frame Mamba for Myocarditis Lesion Segmentation
BibTeX ⧉
MICCAI 2025
·
Chengjin Yu
,
Hao Zhang
,
Yuanting Yan
,
Dong Zhang
,
Sangyin Lv
,
Cailing Pu
Non-Overlap-Aware Egocentric Pose Estimation for Collaborative Perception in Connected Autonomy
BibTeX ⧉
IROS 2025
·
Hong Huang
,
Dongkuan Xu
,
Hao Zhang
,
Peng Gao
Palmbench: a comprehensive Benchmark of Compressed Large Language Models on Mobile Platforms
BibTeX ⧉
ICLR 2025
·
Yilong Li
,
Jingyu Liu
,
Hao Zhang
,
M. Badri Narayanan
,
Utkarsh Sharma
,
Shuai Zhang
,
Yijing Zeng
,
Jayaram Raghuram
,
Suman Banerjee
RINA: Rapid Introspective Neural Adaptation for Out-of-Distribution Payload Configurations on Quadruped Robots
BibTeX ⧉
ICRA 2025
·
Oscar Youngquist
,
Hao Zhang
Reversal of Thought: Enhancing Large Language Models with Preference-Guided Reverse Reasoning Warm-up
BibTeX ⧉
ACL 2025
·
Jiahao Yuan
,
Dehui Du
,
Hao Zhang
,
Zixiang Di
,
Usman Naseem
Reverse Modeling in Large Language Models
BibTeX ⧉
NAACL 2025
·
Sicheng Yu
,
Yuanchen Xu
,
Cunxiao Du
,
Yanying Zhou
,
Minghui Qiu
,
Qianru Sun
,
Hao Zhang
,
Jiawei Wu
Reviving Discarded Vulnerabilities: Exploiting Previously Unexploitable Linux Kernel Bugs Through Control Metadata Fields
BibTeX ⧉
CCS 2025
·
Hao Zhang
,
Jian Liu
,
Jie Lu
,
Shaomin Chen
,
Tianshuo Han
,
Bolun Zhang
,
Xiaorui Gong
Scalable Trajectory-User Linking with Dual-Stream Representation Networks
BibTeX ⧉
AAAI 2025
·
Hao Zhang
,
Wei Chen
,
Xingyu Zhao
,
Jianpeng Qi
,
Guiyuan Jiang
,
Yanwei Yu
Sensitivity-LoRA : Low-Load Sensitivity-Based Fine-Tuning for Large Language Models
BibTeX ⧉
EMNLP 2025
·
Hao Zhang
,
Bo Huang
,
Zhenjia Li
,
Xi Xiao
,
Hui Yi Leong
,
Zumeng Zhang
,
Xinwei Long
,
Tianyang Wang
,
Hao Xu
Spatial-Temporal Graph Contrastive Learning with Decreasing Masks for Traffic Flow Forecasting
BibTeX ⧉
IROS 2025
·
Bin Ren
,
Yongfa Zhang
,
Yamin Wen
,
Haocheng Luo
,
Hao Zhang
,
Chunhong He
Sugar-Coated Poison: Benign Generation Unlocks Jailbreaking
BibTeX ⧉
EMNLP 2025
·
Yuhang Wu
,
Yu-Jie Xiong
,
Hao Zhang
,
Jia-Chen Zhang
,
Zheng Zhou
Transferable Direct Prompt Injection via Activation-Guided MCMC Sampling
BibTeX ⧉
EMNLP 2025
·
Minghui Li
,
Hao Zhang
,
Yechao Zhang
,
Wei Wan
,
Shengshan Hu
,
Pei Xiaobing
,
Jing Wang
UAV-DETR: Efficient End-to-End Object Detection for Unmanned Aerial Vehicle Imagery
BibTeX ⧉
IROS 2025
·
Huaxiang Zhang
,
Hao Zhang
,
Kai Liu
,
Zhongxue Gan
,
Guo-Niu Zhu
A Highly-efficient Lattice-based Post-Quantum Cryptography Processor for IoT Applications
BibTeX ⧉
CHES 2024
·
Zewen Ye
,
Ruibing Song
,
Hao Zhang
,
Donglong Chen
,
Ray Chak-Chung Cheung
,
Kejie Huang
Accurate and Efficient Loop Closure Detection With Deep Binary Image Descriptor and Augmented Point Cloud Registration
BibTeX ⧉
IROS 2024
·
Jialiang Wang
,
Zhi Gao
,
Zhipeng Lin
,
Zhiyu Zhou
,
Xiaonan Wang
,
Jianhua Cheng
,
Hao Zhang
,
Xinyi Liu
,
Ben M. Chen
Chain-of-Table: Evolving Tables in the Reasoning Chain for Table Understanding
BibTeX ⧉
ICLR 2024
·
Zilong Wang
,
Hao Zhang
,
Chun-Liang Li
,
Julian Martin Eisenschlos
,
Vincent Perot
,
Zifeng Wang
,
Lesly Miculicich
,
Yasuhisa Fujii
,
Jingbo Shang
,
Chen-Yu Lee
,
Tomas Pfister
DVD: Dynamic Contrastive Decoding for Knowledge Amplification in Multi-Document Question Answering
BibTeX ⧉
EMNLP 2024
·
Jing Jin
,
Houfeng Wang
,
Hao Zhang
,
Xiaoguang Li
,
Zhijiang Guo
Effective Unit Test Generation for Android Apps
BibTeX ⧉
ICSME 2024
·
Guojun Ma
,
Yu Pei
,
Liushan Chen
,
Chenqing Gan
,
Hao Zhang
,
Hao Liang
,
Tian Zhang
Efficient Detection of LLM-generated Texts with a Bayesian Surrogate Model
BibTeX ⧉
ACL 2024
·
Yibo Miao
,
Hongcheng Gao
,
Hao Zhang
,
Zhijie Deng
Hierarchical Multiple Instance Learning for COPD Grading with Relatively Specific Similarity
BibTeX ⧉
MICCAI 2024
·
Hao Zhang
,
Mingyue Zhao
,
Mingzhu Liu
,
Jiejun Luo
,
Yu Guan
,
Jin Zhang
,
Yi Xia
,
Di Zhang
,
Xiuxiu Zhou
,
Li Fan
,
Shiyuan Liu
,
S. Kevin Zhou
Improving Generalization in Federated Learning with Model-Data Mutual Information Regularization: A Posterior Inference Approach
BibTeX ⧉
NeurIPS 2024
·
Hao Zhang
,
Chenglin Li
,
Nuowen Kan
,
Ziyang Zheng
,
Wenrui Dai
,
Junni Zou
,
Hongkai Xiong
InferCept: Efficient Intercept Support for Augmented Large Language Model Inference
BibTeX ⧉
ICML 2024
·
Reyna Abhyankar
,
Zijian He
,
Vikranth Srivatsa
,
Hao Zhang
,
Yiying Zhang
LMDX: Language Model-based Document Information Extraction and Localization
BibTeX ⧉
ACL 2024
·
Vincent Perot
,
Kai Kang
,
Florian Luisier
,
Guolong Su
,
Xiaoyu Sun
,
Ramya Sree Boppana
,
Zilong Wang
,
Zifeng Wang
,
Jiaqi Mu
,
Hao Zhang
,
Chen-Yu Lee
,
Nan Hua
LONG²RAG: Evaluating Long-Context & Long-Form Retrieval-Augmented Generation with Key Point Recall
BibTeX ⧉
EMNLP 2024
·
Zehan Qi
,
Rongwu Xu
,
Zhijiang Guo
,
Cunxiang Wang
,
Hao Zhang
,
Wei Xu
Learning for Dynamic Subteaming and Voluntary Waiting in Heterogeneous Multi-Robot Collaborative Scheduling
BibTeX ⧉
ICRA 2024
·
Williard Joshua Jose
,
Hao Zhang
MC-indexing: Effective Long Document Retrieval via Multi-view Content-aware Indexing
BibTeX ⧉
EMNLP 2024
·
Kuicai Dong
,
Derrick-Goh-Xin Deik
,
Yi Lee
,
Hao Zhang
,
Xiangyang Li
,
Cong Zhang
,
Yong Liu
MR-Ben: A Meta-Reasoning Benchmark for Evaluating System-2 Thinking in LLMs
BibTeX ⧉
NeurIPS 2024
·
Zhongshen Zeng
,
Yinhong Liu
,
Yingjia Wan
,
Jingyao Li
,
Pengguang Chen
,
Jianbo Dai
,
Yuxuan Yao
,
Rongwu Xu
,
Zehan Qi
,
Wanru Zhao
,
Linling Shen
,
Jianqiao Lu
,
Haochen Tan
,
Yukang Chen
,
Hao Zhang
,
Zhan Shi
,
Bailin Wang
,
Zhijiang Guo
,
Jiaya Jia
Minimizing Negative Side Effects in Cooperative Multi-Agent Systems using Distributed Coordination
BibTeX ⧉
AAMAS 2024
·
Moumita Choudhury
,
Sandhya Saisubramanian
,
Hao Zhang
,
Shlomo Zilberstein
Neural Network Augmented Kalman Filter for Robust Acoustic Howling Suppression
BibTeX ⧉
InterSpeech 2024
·
Yixuan Zhang
,
Hao Zhang
,
Meng Yu
,
Dong Yu
Reducing Unfairness in Distributed Community Detection
BibTeX ⧉
ICDM 2024
·
Hao Zhang
,
Malith Jayaweera
,
Bin Ren
,
Yanzhi Wang
,
Sucheta Soundarajan
Scale-invariant Optimal Sampling for Rare-events Data and Sparse Models
BibTeX ⧉
NeurIPS 2024
·
Jing Wang
,
HaiYing Wang
,
Hao Zhang
Segmented Safety Docking Control for Mobile Self-Reconfigurable Robots
BibTeX ⧉
IROS 2024
·
Zhi Zheng
,
Tao Jiang
,
Senqi Tan
,
Hao Zhang
,
Jianchuan Ye
SiCP: Simultaneous Individual and Cooperative Perception for 3D Object Detection in Connected and Automated Vehicles
BibTeX ⧉
IROS 2024
·
Deyuan Qu
,
Qi Chen
,
Tianyu Bai
,
Hongsheng Lu
,
Heng Fan
,
Hao Zhang
,
Song Fu
,
Qing Yang
TRICKY 2024 Challenge on Monocular Depth from Images of Specular and Transparent Surfaces
BibTeX ⧉
ECCV 2024
·
Pierluigi Zama Ramirez
,
Alex Costanzino
,
Fabio Tosi
,
Matteo Poggi
,
Luigi Di Stefano
,
Jean-Baptiste Weibel
,
Dominik Bauer
,
Doris Antensteiner
,
Markus Vincze
,
Jiaqi Li
,
Yachuan Huang
,
Junrui Zhang
,
Yiran Wang
,
Jinghong Zheng
,
Liao Shen
,
Zhiguo Cao
,
Ziyang Song
,
Zerong Wang
,
Ruijie Zhu
,
Hao Zhang
,
Rui Li
,
Jiang Wu
,
Xian Li
,
Yu Zhu
,
Jinqiu Sun
,
Yanning Zhang
,
Pihai Sun
,
Yuanqi Yao
,
Wenbo Zhao
,
Kui Jiang
,
Junjun Jiang
,
Mykola Lavreniuk
,
Pengzhi Li
,
Jui-Lin Wang
Tracking Control with Uncertainty Smoothing Estimation under Aggressive Maneuvers of Aerial Vehicles
BibTeX ⧉
IROS 2024
·
Hao Zhang
,
Tao Jiang
,
Jianchuan Ye
,
Senqi Tan
,
Zhi Zheng
Training Overhead Ratio: A Practical Reliability Metric for Large Language Model Training Systems
BibTeX ⧉
ISSRE 2024
·
Ning Lu
,
Qian Xie
,
Hao Zhang
,
Wenyi Fang
,
Yang Zheng
,
Zheng Hu
,
Jiantao Ma
Transferable Adversarial Facial Images for Privacy Protection
BibTeX ⧉
ACM MM 2024
·
Minghui Li
,
Jiangxiong Wang
,
Hao Zhang
,
Ziqi Zhou
,
Shengshan Hu
,
Xiaobing Pei
Uncovering what, why and How: A Comprehensive Benchmark for Causation Understanding of Video Anomaly
BibTeX ⧉
CVPR 2024
·
Hang Du
,
Sicheng Zhang
,
Binzhu Xie
,
Guoshun Nan
,
Jiayang Zhang
,
Junrui Xu
,
Hangyu Liu
,
Sicong Leng
,
Jiangming Liu
,
Hehe Fan
,
Dajiu Huang
,
Jing Feng
,
Linli Chen
,
Can Zhang
,
Xuhuan Li
,
Hao Zhang
,
Jianhang Chen
,
Qimei Cui
,
Xiaofeng Tao