activity
20132025
most citedEffective and Scalable Clustering on Massive Attributed Graphs

23 citations · 171 across the 35 of their papers we have counts for

collaborators

38 papers

hep-ex2025

Measurement of transverse polarization of and hyperons inside jets in collisions at GeV

STAR Collaboration, B. E. Aboona, J. Adam +363

A surprisingly large transverse polarization of hyperons in unpolarized hadron-nucleon/nucleus collisions has been observed for 50 years, and the origin of this polarization re…

nucl-ex2025★ 2 cited

Measurement of Kaon Directed Flow in Au+Au Collisions in the High Baryon Density Region

STAR Collaboration, B. E. Aboona, J. Adam +360

Rapidity-odd directed flow measurements are presented for and in AuAu collisions at = 3.0, 3.2, 3.5, and 3.9 GeV with the STAR exp…

nucl-ex2023★ 1 cited

Measurement of flow coefficients in high-multiplicity +Au, +Au and HeAu collisions at =200 GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +350

Flow coefficients ( and ) are measured in high-multiplicity +Au, +Au, and HeAu collisions at a center-of-mass energy of = 200 G…

nucl-ex2023★ 19 cited

Production of Protons and Light Nuclei in Au+Au Collisions at = 3 GeV with the STAR Detector

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +349

We report the systematic measurement of protons and light nuclei production in Au+Au collisions at = 3 GeV by the STAR experiment at the Relativistic Heavy…

cs.RO2023★ 1 cited

Seeing-Eye Quadruped Navigation with Force Responsive Locomotion Control

David DeFazio, Eisuke Hirota, Shiqi Zhang

Seeing-eye robots are very useful tools for guiding visually impaired people, potentially producing a huge societal impact given the low availability and high cost of real guide do…

cs.RO2023

ORLA*: Mobile Manipulator-Based Object Rearrangement with Lazy A Star

Kai Gao, Zhaxizhuoma, Yan Ding +2

Effectively performing object rearrangement is an essential skill for mobile manipulators, e.g., setting up a dinner table or organizing a desk. A key challenge in such problems is…

astro-ph.HE2023

Comparing recent PTA results on the nanohertz stochastic gravitational wave background

The International Pulsar Timing Array Collaboration, G. Agazie, J. Antoniadis +242

The Australian, Chinese, European, Indian, and North American pulsar timing array (PTA) collaborations recently reported, at varying levels, evidence for the presence of a nanohert…

nucl-ex2023

Jet-hadron correlations with respect to the event plane in = 200 GeV Au+Au collisions in STAR

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +348

Angular distributions of charged particles relative to jet axes are studied in = 200 GeV Au+Au collisions as a function of the jet orientation with respect…

cs.SI2023★ 22 cited

Capacity Constrained Influence Maximization in Social Networks

Shiqi Zhang, Yiqian Huang, Jiachen Sun +3

Influence maximization (IM) aims to identify a small number of influential individuals to maximize the information spread and finds applications in various fields. It was first int…

cs.DS2023

Efficient Approximation Algorithms for Spanning Centrality

Shiqi Zhang, Renchi Yang, Jing Tang +2

Given a graph , the spanning centrality (SC) of an edge measures the importance of for to be connected. In practice, SC has seen extensive applic…

cs.SI2022★ 13 cited

Measuring Friendship Closeness: A Perspective of Social Identity Theory

Shiqi Zhang, Jiachen Sun, Wenqing Lin +2

Measuring the closeness of friendships is an important problem that finds numerous applications in practice. For example, online gaming platforms often host friendship-enhancing ev…

stat.ML2022

RMFGP: Rotated Multi-fidelity Gaussian process with Dimension Reduction for High-dimensional Uncertainty Quantification

Jiahao Zhang, Shiqi Zhang, Guang Lin

Multi-fidelity modelling arises in many situations in computational science and engineering world. It enables accurate inference even when only a small set of accurate data is avai…

stat.ML2022★ 6 cited

MultiAuto-DeepONet: A Multi-resolution Autoencoder DeepONet for Nonlinear Dimension Reduction, Uncertainty Quantification and Operator Learning of Forward and Inverse Stochastic Problems

Jiahao Zhang, Shiqi Zhang, Guang Lin

A new data-driven method for operator learning of stochastic differential equations(SDE) is proposed in this paper. The central goal is to solve forward and inverse stochastic prob…

stat.ML2022★ 1 cited

PAGP: A physics-assisted Gaussian process framework with active learning for forward and inverse problems of partial differential equations

Jiahao Zhang, Shiqi Zhang, Guang Lin

In this work, a Gaussian process regression(GPR) model incorporated with given physical information in partial differential equations(PDEs) is developed: physics-assisted Gaussian…

cs.RO2022

Reasoning with Scene Graphs for Robot Planning under Partial Observability

Saeid Amiri, Kishan Chandan, Shiqi Zhang

Robot planning in partially observable domains is difficult, because a robot needs to estimate the current state and plan actions at the same time. When the domain includes many ob…

math.NA2022★ 6 cited

DeepONet-Grid-UQ: A Trustworthy Deep Operator Framework for Predicting the Power Grid's Post-Fault Trajectories

Christian Moya, Shiqi Zhang, Meng Yue +1

This paper proposes a new data-driven method for the reliable prediction of power system post-fault trajectories. The proposed method is based on the fundamentally new concept of D…

cs.SI2021★ 11 cited

Effective and Efficient PageRank-based Positioning for Graph Visualization

Shiqi Zhang, Renchi Yang, Xiaokui Xiao +2

Graph visualization is a vital component in many real-world applications (e.g., social network analysis, web mining, and bioinformatics) that enables users to unearth crucial insig…

nucl-ex2021★ 13 cited

Evidence of Mass Ordering of Charm and Bottom Quark Energy Loss in Au+Au Collisions at RHIC

STAR Collaboration, M. S. Abdallah, B. E. Aboona +359

Partons traversing the strongly interacting medium produced in heavy-ion collisions are expected to lose energy depending on their color charge and mass. We measure the nuclear mod…

cs.RO2021

Learning Quadruped Locomotion Policies using Logical Rules

David DeFazio, Yohei Hayamizu, Shiqi Zhang

Quadruped animals are capable of exhibiting a diverse range of locomotion gaits. While progress has been made in demonstrating such gaits on robots, current methods rely on motion…

cs.SI2021★ 23 cited

Effective and Scalable Clustering on Massive Attributed Graphs

Renchi Yang, Jieming Shi, Yin Yang +3

Given a graph G where each node is associated with a set of attributes, and a parameter k specifying the number of output clusters, k-attributed graph clustering (k-AGC) groups nod…

cs.AI2020

Adaptive Dialog Policy Learning with Hindsight and User Modeling

Yan Cao, Keting Lu, Xiaoping Chen +1

Reinforcement learning methods have been used to compute dialog policies from language-based interaction experiences. Efficiency is of particular importance in dialog policy learni…

cs.AI2020★ 2 cited

Learning and Reasoning for Robot Dialog and Navigation Tasks

Keting Lu, Shiqi Zhang, Peter Stone +1

Reinforcement learning and probabilistic reasoning algorithms aim at learning from interaction experiences and reasoning with probabilistic contextual knowledge respectively. In th…

cs.LG2020★ 3 cited

AutoEG: Automated Experience Grafting for Off-Policy Deep Reinforcement Learning

Keting Lu, Shiqi Zhang, Xiaoping Chen

Deep reinforcement learning (RL) algorithms frequently require prohibitive interaction experience to ensure the quality of learned policies. The limitation is partly because the ag…

cs.RO2020

Guiding Robot Exploration in Reinforcement Learning via Automated Planning

Yohei Hayamizu, Saeid Amiri, Kishan Chandan +2

Reinforcement learning (RL) enables an agent to learn from trial-and-error experiences toward achieving long-term goals; automated planning aims to compute plans for accomplishing…