activity
20192026
most citedSOLOIST: Building Task Bots at Scale with Transfer Learning and Machine Teaching

100 citations · 366 across the 25 of their papers we have counts for

collaborators

26 papers

cs.IR2026

LLM-based User-Product Relevance Evaluation for Dynamic Product Advertising

Wen Zhang, Xiao Bai, Hsiang-wei Chao +9

Dynamic Product Advertising (DPA) retrieval systems are a core component of modern e-commerce advertising; however, their evaluation remains challenging. Conventional offline engag…

cs.IR2026

CAMIE: Co-Engagement-Aware Multimodal Item Embeddings for Snap Dynamic Product Ads Retrieval

Xiaodong Liu, Siman Wang, Congfei Zhang +9

Item-to-item (I2I) retrieval is a core primitive in large-scale recommendation and advertising systems. In production Snap Dynamic Product Ads (DPA), I2I retrieval faces two challe…

cs.IR2026

SetMIR: Multi-Interest Retrieval as Set Prediction

Xiaodong Liu, Congfei Zhang, Hsiang-wei Chao +13

Embedding-based retrieval is at the core of industrial recommender systems, but a single user embedding is often too limited to capture a user's diverse interests. Multi-interest r…

cs.IR2026

SMART: LLM-Augmented Hybrid Retrieval for Dynamic Product Ads

Congfei Zhang, Jingxiao Ma, Xiaodong Liu +14

Dynamic Product Ads (DPA) require retrieving relevant items from multi-million product catalogs, balancing two competing objectives: retargeting (re-surfacing known interests) and…

cs.IR2026

EGR: Embedding-Native Generative Retrieval with a Shared LLM

Xiaodong Liu, Congfei Zhang, Hsiang-wei Chao +13

Generative retrieval is increasingly popular in large-scale recommendation and advertising systems, yet current methods introduce practical complications. Semantic-ID methods rely…

cs.CL2026

KnowAct-GUIClaw: Know Deeply, Act Perfectly, Personal GUI Assistant with Self-Evolving Memory and Skill

Yunxin Li, Jinchao Li, Shibo Su +7

OpenClaw has emerged as a leading agent framework for complex task automation, yet it faces insufficient cross-platform GUI interaction support and a well-built self-evolution mech…

cs.AI2026

WindowsWorld: A Process-Centric Benchmark of Autonomous GUI Agents in Professional Cross-Application Environments

Jinchao Li, Yunxin Li, Chenrui Zhao +3

While GUI agents have shown impressive capabilities in common computer-use tasks such as OSWorld, current benchmarks mainly focus on isolated and single-application tasks. This ove…

cs.IR2026

Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices

Clark Mingxuan Ju, Tong Zhao, Leonardo Neves +15

Effective item identifiers (IDs) are an important component for recommender systems (RecSys) in practice, and are commonly adopted in many use cases such as retrieval and ranking.…

cs.SD2025

UniMoE-Audio: Unified Speech and Music Generation with Dynamic-Capacity MoE

Zhenyu Liu, Yunxin Li, Xuanyu Zhang +13

Recent advances in unified multimodal models indicate a clear trend towards comprehensive content generation. However, the auditory domain remains a significant challenge, with mus…

cs.CL2023★ 6 cited

emotion2vec: Self-Supervised Pre-Training for Speech Emotion Representation

Ziyang Ma, Zhisheng Zheng, Jiaxin Ye +4

We propose emotion2vec, a universal speech emotion representation model. emotion2vec is pre-trained on open-source unlabeled emotion data through self-supervised online distillatio…

cs.CL2023

Resprompt: Residual Connection Prompting Advances Multi-Step Reasoning in Large Language Models

Song Jiang, Zahra Shakeri, Aaron Chan +8

Chain-of-thought (CoT) prompting, which offers step-by-step problem-solving rationales, has impressively unlocked the reasoning potential of large language models (LLMs). Yet, the…

cs.SD2022★ 1 cited

Spoofing-Aware Speaker Verification by Multi-Level Fusion

Haibin Wu, Lingwei Meng, Jiawen Kang +5

Recently, many novel techniques have been introduced to deal with spoofing attacks, and achieve promising countermeasure (CM) performances. However, these works only take the stand…

cs.CL2021★ 29 cited

ValueNet: A New Dataset for Human Value Driven Dialogue System

Liang Qiu, Yizhou Zhao, Jinchao Li +4

Building a socially intelligent agent involves many challenges, one of which is to teach the agent to speak guided by its value like a human. However, value-driven chatbots are sti…

cs.CL2021★ 2 cited

SYNERGY: Building Task Bots at Scale Using Symbolic Knowledge and Machine Teaching

Baolin Peng, Chunyuan Li, Zhu Zhang +3

In this paper we explore the use of symbolic knowledge and machine teaching to reduce human data labeling efforts in building neural task bots. We propose SYNERGY, a hybrid learnin…

cs.IR2021★ 12 cited

Domain-Specific Pretraining for Vertical Search: Case Study on Biomedical Literature

Yu Wang, Jinchao Li, Tristan Naumann +12

Information overload is a prevalent challenge in many high-value domains. A prominent case in point is the explosion of the biomedical literature on COVID-19, which swelled to hund…

cs.CL2020★ 7 cited

RADDLE: An Evaluation Benchmark and Analysis Platform for Robust Task-oriented Dialog Systems

Baolin Peng, Chunyuan Li, Zhu Zhang +3

For task-oriented dialog systems to be maximally useful, it must be able to process conversations in a way that is (1) generalizable with a small number of training examples for ne…

cs.CL2020★ 37 cited

Overview of the Ninth Dialog System Technology Challenge: DSTC9

Chulaka Gunasekara, Seokhwan Kim, Luis Fernando D'Haro +36

This paper introduces the Ninth Dialog System Technology Challenge (DSTC-9). This edition of the DSTC focuses on applying end-to-end dialog technologies for four distinct tasks in…

cs.AI2020★ 15 cited

Robust Conversational AI with Grounded Text Generation

Jianfeng Gao, Baolin Peng, Chunyuan Li +4

This article presents a hybrid approach based on a Grounded Text Generation (GTG) model to building robust task bots at scale. GTG is a hybrid model which uses a large-scale Transf…

cs.CL2020★ 6 cited

Is Your Goal-Oriented Dialog Model Performing Really Well? Empirical Analysis of System-wise Evaluation

Ryuichi Takanobu, Qi Zhu, Jinchao Li +3

There is a growing interest in developing goal-oriented dialog systems which serve users in accomplishing complex tasks through multi-turn conversations. Although many methods are…

cs.CL2020★ 100 cited

SOLOIST: Building Task Bots at Scale with Transfer Learning and Machine Teaching

Baolin Peng, Chunyuan Li, Jinchao Li +3

We present a new method SOLOIST that uses transfer learning and machine teaching to build task bots at scale. We parameterize classical modular task-oriented dialog systems using a…

cs.CL2020★ 8 cited

Conversation Learner -- A Machine Teaching Tool for Building Dialog Managers for Task-Oriented Dialog Systems

Swadheen Shukla, Lars Liden, Shahin Shayandeh +6

Traditionally, industry solutions for building a task-oriented dialog system have relied on helping dialog authors define rule-based dialog managers, represented as dialog flows. W…

cs.AI2020★ 12 cited

Guided Dialog Policy Learning without Adversarial Learning in the Loop

Ziming Li, Sungjin Lee, Baolin Peng +5

Reinforcement Learning (RL) methods have emerged as a popular choice for training an efficient and effective dialogue policy. However, these methods suffer from sparse and unstable…

cs.CL2020★ 31 cited

Few-shot Natural Language Generation for Task-Oriented Dialog

Baolin Peng, Chenguang Zhu, Chunyuan Li +4

As a crucial component in task-oriented dialog systems, the Natural Language Generation (NLG) module converts a dialog act represented in a semantic form into a response in natural…

cs.CL2020★ 15 cited

ConvLab-2: An Open-Source Toolkit for Building, Evaluating, and Diagnosing Dialogue Systems

Qi Zhu, Zheng Zhang, Yan Fang +7

We present ConvLab-2, an open-source toolkit that enables researchers to build task-oriented dialogue systems with state-of-the-art models, perform an end-to-end evaluation, and di…