Lisi Chen
18 papers · 2019–2026 · 4 venues · across top CS/AI venues
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Achievements
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πΊοΈ Taxonomy Completionist (41) π Academic Marathon Β· Sprint π Conference Polyglot Β· Bronze π Interdisciplinary Bridge Β· Gold π€ Dynamic Duo (17)
π§¬
Topic Evolution
ποΈ
Keyword Collector
(112)
π₯
Unstoppable Β· Bronze
β‘
Prolific Year Β· Productive
π
Conference Pioneer
π
Renaissance Researcher
(6)
π
Century Club Β· Bronze
Top co-authors
Research topics
Machine Learning
(14)
Core Methods
(10)
Data Science & Analytics
(7)
Deep Learning
(7)
Mathematics & Optimization
(7)
Applications
(7)
Learning Types
(7)
Optimization
(7)
Application Areas
(4)
Architectures
(4)
Artificial Intelligence
(3)
Core AI
(3)
Methods
(3)
Computer Science
(2)
Knowledge & Reasoning
(2)
Keywords
trajectory similarity
(3)
combinatorial optimization
(3)
representation learning
(2)
location-based service
(2)
data stream
(2)
prompt learning
(2)
knowledge graph embedding
(2)
graph neural network
(2)
route planning
(2)
contrastive learning
(2)
trajectory data
(2)
dynamic routing
(1)
similarity search
(1)
information retrieval
(1)
dialogue generation
(1)
reward modeling
(1)
topic modeling
(1)
trajectory analysis
(1)
attention mechanism
(1)
algorithm design
(1)
Papers
Region-Point Joint Representation for Effective Trajectory Similarity Learning
AAAI 2026
CulFiT: A Fine-grained Cultural-aware LLM Training Paradigm via Multilingual Critique Data Synthesis
ACL 2025
Disentangled and Personalized Representation Learning for Next Point-of-Interest Recommendation
IJCAI 2025
ST-TAR: An Efficient Spatio-Temporal Learning Framework for Traffic Accident Risk Forecasting
IJCAI 2025
TESTN: A Triad-Enhanced Spatio-Temporal Network for Multi-Temporal POI Relationship Inference
IJCAI 2025
V-VAE: A Variational Auto Encoding Framework Towards Fine-Grained Control over Human-Like Chat
EMNLP 2025
KGTS: Contrastive Trajectory Similarity Learning over Prompt Knowledge Graph Embedding
AAAI 2024
Heterogeneous Region Embedding with Prompt Learning
AAAI 2023
Next POI Recommendation with Dynamic Graph and Explicit Dependency
AAAI 2023
Towards Controlling the Transmission of Diseases: Continuous Exposure Discovery over Massive-Scale Moving Objects
IJCAI 2022
Parallel Subtrajectory Alignment over Massive-Scale Trajectory Data
IJCAI 2021
Towards Efficient Selection of Activity Trajectories based on Diversity and Coverage
AAAI 2021
Traffic Congestion Alleviation over Dynamic Road Networks: Continuous Optimal Route Combination for Trip Query Streams
IJCAI 2021
Pay Your Trip for Traffic Congestion: Dynamic Pricing in Traffic-Aware Road Networks
AAAI 2020
Real-Time Route Search by Locations
AAAI 2020
Towards Alleviating Traffic Congestion: Optimal Route Planning for Massive-Scale Trips
IJCAI 2020
Region-Based Message Exploration over Spatio-Temporal Data Streams
AAAI 2019
Toward Efficient Navigation of Massive-Scale Geo-Textual Streams
IJCAI 2019