44 citations · 197 across the 15 of their papers we have counts for
15 papers
Don't Shoot The Breeze: Topic Continuity Model Using Nonlinear Naive Bayes With Attention
Shu-Ting Pi, Pradeep Bagavan, Yejia Li +2
Utilizing Large Language Models (LLM) as chatbots in diverse business scenarios often presents the challenge of maintaining topic continuity. Abrupt shifts in topics can lead to po…
REIC: RAG-Enhanced Intent Classification at Scale
Ziji Zhang, Michael Yang, Zhiyu Chen +6
Accurate intent classification is critical for efficient routing in customer service, ensuring customers are connected with the most suitable agents while reducing handling times a…
Uncovering Customer Issues through Topological Natural Language Analysis
Shu-Ting Pi, Sidarth Srinivasan, Yuying Zhu +2
E-commerce companies deal with a high volume of customer service requests daily. While a simple annotation system is often used to summarize the topics of customer contacts, thorou…
Universal Model in Online Customer Service
Shu-Ting Pi, Cheng-Ping Hsieh, Qun Liu +1
Building machine learning models can be a time-consuming process that often takes several months to implement in typical business scenarios. To ensure consistent model performance…
Teacher-Student Learning on Complexity in Intelligent Routing
Shu-Ting Pi, Michael Yang, Yuying Zhu +1
Customer service is often the most time-consuming aspect for e-commerce websites, with each contact typically taking 10-15 minutes. Effectively routing customers to appropriate age…
Contact Complexity in Customer Service
Shu-Ting Pi, Michael Yang, Qun Liu
Customers who reach out for customer service support may face a range of issues that vary in complexity. Routing high-complexity contacts to junior agents can lead to multiple tran…
Pressure-induced Frustration of Magnetic Coupling in Elemental Europium
Shu-Ting Pi, Sergey Y. Savrasov, Warren E. Pickett
Applying linear response and the magnetic force theorem in correlated density functional theory, the inter-sublattice exchange constants of antiferromagnetic Eu are calculated and…
Atomic-layer-resolved composition and electronic structure of the cuprate BiSrCaCuO from soft x-ray standing-wave photoemission
Cheng-Tai Kuo, Shih-Chieh Lin, Giuseppina Conti +16
A major remaining challenge in the superconducting cuprates is the unambiguous differentiation of the composition and electronic structure of the CuO layers and those of the in…
High Surface Conductivity of Fermi Arc Electrons in Weyl semimetals
Giacomo Resta, Shu-Ting Pi, Xiangang Wan +1
Weyl semimetals (WSMs), a new type of topological condensed matter, are currently attracting great interest due to their unusual electronic states and intriguing transport properti…
Possibility of Realizing Quantum Spin Hall Effect at Room Temperature in Stanene/Al2O3(0001)
Hui Wang, S. T. Pi, J. Kim +3
Two-dimensional quantum spin Hall (QSH) insulators with reasonably wide band gaps are imperative for the development of various innovative technologies. Through systematic density…
Searching for Large-gap Quantum Spin Hall Insulators: Boron-Nitride/(Pb, Sn)/α-Al2O3 Sandwich Structures
Hui Wang, D. Lu, J. Kim +3
Topological insulators hold great potential for efficient information processing and storage. Using density functional theory calculations, we predict that a honeycomb lead monolay…
New class of 3D topological insulator in double perovskite
Shu-Ting Pi, Hui Wang, Jeongwoo Kim +3
We predict a new class of three-dimensional topological insulators (TIs) in which the spin-orbit coupling (SOC) can more effectively generate a large band gap at point. The ban…
Manipulating Z2 and Chern topological phases in a single material using periodically driving fields
Shu-Ting Pi, Sergey Savrasov
and Chern topological phases such as newly discovered quantum spin Hall and original quantum Hall states hardly both co--exist in a single material due to their contradicto…
Anisotropic Multipolar Exchange Interactions in Systems with Strong Spin-Orbit Coupling
Shu-Ting Pi, Ravindra Nanguneri, Sergey Savrasov
We introduce a theoretical framework for computaions of anisotropic multipolar exchange interactions found in many spin--orbit coupled magnetic systems and propose a method to extr…
Calculation of Multipolar Exchange Interactions in Spin-Orbital Coupled Systems
Shu-Ting Pi, Ravindra Nanguneri, Sergey Savrasov
A new method of computing multipolar exchange interaction in spin-orbit coupled systems is developed using multipolar tensor expansion of the density matrix in LDA+U electronic str…