activity
20202026
most citedHybrid Spatio-Temporal Graph Convolutional Network: Improving Traffic Prediction with Navigation Data

112 citations · 123 across the 21 of their papers we have counts for

collaborators

23 papers

cs.CV2026

Urbex: Agentic Spatial Grounding for City-Scale 3D Scenes

Yu Wang, Rui Dai, Wei Chen +5

City-scale 3D grounding is commonly formulated as candidate ranking, which requires precomputed instance proposals and becomes inefficient in large outdoor scenes. We propose Urbex…

cs.LG2026

IntBMoE: Integrating Block-Level Conditioning into Expert Composition for Full-Participation Mixture-of-Experts

Ran Cheng, Longfei Xu, Zheng Liu +2

Mixture-of-Experts (MoE) scales capacity, but existing designs cannot set three quantities independently. For a single token, participation is how many experts contribute knowledge…

cs.AI2026

Customizable and Jointly Optimized Route Planning: A Deep Architecture Enabling Differentiable Shortest-Path Search

Rui Zhao, Chao Chen, Longfei Xu +4

With the widespread use of online navigation and ride-hailing services, achieving optimal route planning for diverse user preferences has recently attracted increasing attention. C…

cs.IR2026

IntHQ: Task-Interactive Hierarchical Query on Dual-Stream Representations for Generative Recommendation

Junjie Sun, Longfei Xu, Huimin Yan +3

Multi-task learning over heterogeneous data is fundamental to modern recommendation, while generative models are emerging as the backbone of next-generation recommenders. However,…

cs.CL2026

TransitLM: A Large-Scale Dataset and Benchmark for Map-Free Transit Route Generation

Hanyu Guo, Jiedong Yang, Chao Chen +3

Public transit route planning traditionally depends on structured map infrastructure and complex routing engines, and no existing dataset supports training models to bypass this de…

cs.IR2026

IntRR: A Framework for Integrating SID Redistribution and Length Reduction

Zesheng Wang, Longfei Xu, Weidong Deng +3

Generative Recommendation (GR) has emerged as a transformative paradigm that reformulates the traditional cascade ranking system into a sequence-to-item generation task, facilitate…

cs.CV2026

Q-Hawkeye: Reliable Visual Policy Optimization for Image Quality Assessment

Wulin Xie, Rui Dai, Ruidong Ding +4

Image Quality Assessment (IQA) predicts perceptual quality scores consistent with human judgments. Recent RL-based IQA methods built on MLLMs focus on generating visual quality des…

cs.IR2026

IntTravel: A Real-World Dataset and Generative Framework for Integrated Multi-Task Travel Recommendation

Huimin Yan, Longfei Xu, Junjie Sun +4

Next Point of Interest (POI) recommendation is essential for modern mobility and location-based services. To provide a smooth user experience, models must understand several compon…

cs.CV2026

Code2World: A GUI World Model via Renderable Code Generation

Yuhao Zheng, Li'an Zhong, Yi Wang +6

Autonomous GUI agents interact with environments by perceiving interfaces and executing actions. As a virtual sandbox, the GUI World model empowers agents with human-like foresight…

cs.RO2026

GenMRP: A Generative Multi-Route Planning Framework for Efficient and Personalized Real-Time Industrial Navigation

Chengzhang Wang, Chao Chen, Jun Tao +6

Existing industrial-scale navigation applications contend with massive road networks, typically employing two main categories of approaches for route planning. The first relies on…

cs.AI2026

MobilityBench: A Benchmark for Evaluating Route-Planning Agents in Real-World Mobility Scenarios

Zhiheng Song, Jingshuai Zhang, Chuan Qin +6

Route-planning agents powered by large language models (LLMs) have emerged as a promising paradigm for supporting everyday human mobility through natural language interaction and t…

cs.IR2026

SCASRec: A Self-Correcting and Auto-Stopping Model for Generative Route List Recommendation

Chao Chen, Longfei Xu, Daohan Su +5

Route recommendation systems commonly adopt a multi-stage pipeline involving fine-ranking and re-ranking to produce high-quality ordered recommendations. However, this paradigm fac…

cs.CV2026

Urban Socio-Semantic Segmentation with Vision-Language Reasoning

Yu Wang, Yi Wang, Rui Dai +4

As hubs of human activity, urban surfaces consist of a wealth of semantic entities. Segmenting these various entities from satellite imagery is crucial for a range of downstream ap…

cs.IR2025

IntSR: An Integrated Generative Framework for Search and Recommendation

Huimin Yan, Longfei Xu, Junjie Sun +6

Generative recommendation has emerged as a promising paradigm, demonstrating remarkable results in both academic benchmarks and industrial applications. However, existing systems p…

cs.IR2025

Towards Full Candidate Interaction: A Comprehensive Comparison Network for Better Route Recommendation

Hanyu Guo, Chao Chen, Longfei Xu +3

We argue that the decision-making essence of route recommendation is comparative judgment: users choose a route because it is better than alternatives in specific aspects. The deci…

cs.LG2025

Effective Probabilistic Time Series Forecasting with Fourier Adaptive Noise-Separated Diffusion

Xinyan Wang, Rui Dai, Kaikui Liu +1

We propose the Fourier Adaptive Lite Diffusion Architecture (FALDA), a novel probabilistic framework for time series forecasting. First, we introduce the Diffusion Model for Residu…

cs.IR2024

DSFNet: Learning Disentangled Scenario Factorization for Multi-Scenario Route Ranking

Jiahao Yu, Yihai Duan, Longfei Xu +6

Multi-scenario route ranking (MSRR) is crucial in many industrial mapping systems. However, the industrial community mainly adopts interactive interfaces to encourage users to sele…

cs.IR2022

KAST: Knowledge Aware Adaptive Session Multi-Topic Network for Click-Through Rate Prediction

Dike Sun, Kai Liu, ShengKai Yang

Capturing the evolving trends of user interest is important for both recommendation systems and advertising systems, and user behavior sequences have been successfully used in Clic…

cs.IR2021

A General Framework for Debiasing in CTR Prediction

Wenjie Chu, Shen Li, Chao Chen +3

Most of the existing methods for debaising in click-through rate (CTR) prediction depend on an oversimplified assumption, i.e., the click probability is the product of observation…

cs.AI2021★ 2 cited

R4: A Framework for Route Representation and Route Recommendation

Ran Cheng, Chao Chen, Longfei Xu +5

Route recommendation is significant in navigation service. Two major challenges for route recommendation are route representation and user representation. Different from items that…

cs.IR2021★ 4 cited

Denoising User-aware Memory Network for Recommendation

Zhi Bian, Shaojun Zhou, Hao Fu +6

For better user satisfaction and business effectiveness, more and more attention has been paid to the sequence-based recommendation system, which is used to infer the evolution of…

cs.CL2020★ 5 cited

LRC-BERT: Latent-representation Contrastive Knowledge Distillation for Natural Language Understanding

Hao Fu, Shaojun Zhou, Qihong Yang +4

The pre-training models such as BERT have achieved great results in various natural language processing problems. However, a large number of parameters need significant amounts of…

cs.LG2020★ 112 cited

Hybrid Spatio-Temporal Graph Convolutional Network: Improving Traffic Prediction with Navigation Data

Rui Dai, Shenkun Xu, Qian Gu +2

Traffic forecasting has recently attracted increasing interest due to the popularity of online navigation services, ridesharing and smart city projects. Owing to the non-stationary…