temporal modeling
30 articles about temporal modeling in AI news
New AI Model Decomposes User Behavior into Multiple Spatiotemporal States
Researchers propose ADS-POI, which represents users with multiple parallel latent sub-states evolving at different spatiotemporal scales. This outperforms state-of-the-art on Foursquare and Gowalla benchmarks, offering more robust next-POI recommendations.
IAT: Instance-As-Token Compression for Historical User Sequence Modeling
Researchers propose Instance-As-Token (IAT), which compresses all features of each historical interaction into a unified embedding token, then applies standard sequence modeling. This approach outperforms state-of-the-art methods and has been deployed in e-commerce advertising, shopping mall marketing, and live-streaming e-commerce with substantial business metric improvements.
New Research Proposes Stage-Wise Framework for Modeling Evolving User Interests in Recommendation Systems
arXiv paper introduces a unified neural framework that models both long-term preferences and short-term, stage-wise interest evolution for time-sensitive recommendations. Outperforms baselines on real-world datasets by capturing temporal dynamics more effectively.
Annealed Co-Generation: A New AI Framework Tackles Scientific Complexity Through Pairwise Modeling
Researchers propose Annealed Co-Generation, a novel AI framework that simplifies multivariate generation in scientific applications by modeling variables in pairs rather than jointly. The approach reduces computational burden and data imbalance while maintaining coherence across complex systems.
GeoAI Framework Outperforms Benchmarks in Modeling Urban Traffic Flow
A new GeoAI hybrid framework combining MGWR, Random Forest, and ST-GCN models achieves 23-62% better accuracy in predicting multimodal urban traffic flows. The research highlights land use mix as the strongest predictor for vehicle traffic, with implications for urban planning and logistics.
TME-PSR: A New Sequential Recommendation Model Unifies Time
Researchers propose TME-PSR, a model integrating personalized time patterns, multi-interest modeling, and explanation alignment for sequential recommendations. It shows improved accuracy and explanation quality with lower computational cost in experiments.
PRAGMA: Revolut's Foundation Model for Banking Event Sequences
A new research paper introduces PRAGMA, a family of foundation models designed specifically for multi-source banking event sequences. The model uses masked modeling on a large corpus of financial records to create general-purpose embeddings that achieve strong performance on downstream tasks like fraud detection with minimal fine-tuning.
SLSREC: A New Self-Supervised Model for Disentangling Long- and Short-Term User Interests in Recommendations
A new arXiv preprint introduces SLSREC, a self-supervised model that disentangles long-term user preferences from short-term intentions using contrastive learning and adaptive fusion. It outperforms state-of-the-art models on three benchmark datasets, addressing a core challenge in dynamic user modeling.
Meta's V-JEPA 2.1 Achieves +20% Robotic Grasp Success with Dense Feature Learning from 1M+ Hours of Video
Meta researchers released V-JEPA 2.1, a video self-supervised learning model that learns dense spatial-temporal features from over 1 million hours of video. The approach improves robotic grasp success by ~20% over previous methods by forcing the model to understand precise object positions and movements.
FCUCR: A Federated Continual Framework for Learning Evolving User Preferences
Researchers propose FCUCR, a federated learning framework for recommendation systems that combats 'temporal forgetting' and enhances personalization without centralizing user data. This addresses a core challenge in building private, adaptive AI for customer-centric services.
Amazon's T-REX: A Transformer Architecture for Next-Basket Grocery Recommendations
Amazon researchers propose T-REX, a transformer-based model for grocery basket recommendations. It addresses unique challenges like repetitive purchases and sparse patterns through category-level modeling and causal masking, showing significant improvements in offline/online tests.
EpisTwin: A Neuro-Symbolic Framework for Personal AI Using Knowledge Graphs
Researchers propose EpisTwin, a neuro-symbolic architecture that builds a Personal Knowledge Graph from fragmented user data to enable complex, verifiable reasoning. It addresses limitations of standard RAG by capturing semantic topology and temporal dependencies.
TimeGS: How Computer Graphics Techniques Are Revolutionizing Time Series Forecasting
Researchers have introduced TimeGS, a novel AI framework that treats time series forecasting as a 2D rendering problem. By adapting Gaussian splatting techniques from computer graphics, the approach achieves state-of-the-art performance while maintaining temporal continuity.
Brain-OF: The First Unified AI Model That Reads Multiple Brain Signals Simultaneously
Researchers have developed Brain-OF, the first omnifunctional foundation model that jointly processes fMRI, EEG, and MEG brain signals. This unified approach overcomes previous single-modality limitations by integrating complementary spatiotemporal data through innovative architecture and pretraining techniques.
Beyond CGI: How Physics-Consistent 4D AI Will Transform Luxury Product Visualization
Phys4D's physics-consistent 4D modeling pipeline solves the 'uncanny valley' of AI-generated product videos, enabling hyper-realistic, physically plausible digital twins for luxury goods. This enables scalable, high-fidelity content creation for marketing, virtual try-on, and digital archives.
Talkie: Vintage LLM Trained on 260B Pre-1931 English Tokens
Talkie is a new 'vintage language model' trained on 260 billion tokens of historical English text from before 1931, developed by a team including Alec Radford, co-author of the original GPT paper. It offers a unique linguistic artifact for NLP research.
New MoE Framework Tames User Interest Shifts in Long-Sequence Recommendations
Researchers propose MoS, a model-agnostic MoE approach that handles long user sequences by detecting session hopping – where user interests shift across sessions. The theme-aware routing mechanism filters irrelevant sessions, while multi-scale fusion captures global and local patterns. Results show SOTA on benchmarks with fewer FLOPs than alternatives.
AI-Powered PS4 Emulator 'Spine' Runs Bloodborne Locally on PC
A developer has released Spine, a PS4 emulator that uses AI techniques to run Bloodborne fully on PC. This represents a major step forward in console emulation, previously considered years away.
RecNextEval: A New Open-Source Framework for Realistic Recommendation
A new reference implementation, RecNextEval, addresses widespread validity concerns in recommender system evaluation. It enforces a time-window data split to prevent data leakage and better simulate production environments, promoting more reliable model development.
U.K. Retail Loyalty Enters AI Era as M&S
Marks & Spencer, Tesco, and Boots are implementing AI to analyze customer data and deliver hyper-personalized rewards and offers within their loyalty programs. This marks a strategic shift from one-size-fits-all schemes to predictive, individualized engagement to boost retention and spending.
ContextSim: A New LLM Framework for Context-Aware Recommender System Simulation
A new arXiv preprint introduces ContextSim, a framework that uses LLM agents to simulate users interacting with recommender systems within realistic daily scenarios (time, location, needs). Experiments show it generates more human-aligned interactions and that RS parameters optimized with it yield improved real-world engagement.
New Research: How Online Marketplaces Can Use Demand Allocation to Control Seller Inventory
Researchers propose a model where a marketplace platform, by controlling the timing and predictability of order allocation to sellers, can influence their safety-stock inventory and their choice to use platform fulfillment services. This identifies demand allocation as a key operational lever for digital marketplaces.
Coupang Eats Secures Patent for Budget-Based Food Recommendation System
Coupang Eats has been granted a patent for a food recommendation engine that factors in a user's defined budget. This system aims to provide more relevant suggestions than basic price filters by integrating budget as a core ranking signal. It represents a strategic move to enhance user experience and conversion in the competitive delivery market.
Google Open-Sources TimesFM: A 100B-Point Time Series Foundation Model for Zero-Shot Forecasting
Google has open-sourced TimesFM, a foundation model for time series forecasting trained on 100 billion real-world time points. It requires no dataset-specific training and can generate predictions instantly for domains like traffic, weather, and demand.
EVNextTrade: Learning-to-Rank Models for EV Charging Node Recommendation in Energy Trading
New research proposes EVNextTrade, a learning-to-rank framework for recommending optimal charging nodes for peer-to-peer EV energy trading. Using gradient-boosted models on urban mobility data, it addresses uncertainty in matching energy providers and consumers. LightGBM achieved near-perfect early-ranking performance (NDCG@1: 0.9795).
MMM4Rec: A New Multi-Modal Mamba Model for Faster, More Transferable Sequential Recommendations
Researchers propose MMM4Rec, a novel sequential recommendation framework using State Space Duality for efficient multi-modal learning. It claims 10x faster fine-tuning convergence and improved accuracy by dynamically prioritizing key visual/textual information over user interaction sequences.
Microsoft's VibeVoice Family Processes 60-Minute Audio in Single Pass, Eliminates Chunking for ASR & TTS
Microsoft open-sourced VibeVoice, a family of speech AI models that processes up to 60 minutes of audio without chunking. It delivers structured transcriptions with speaker diarization and generates 90-minute multi-speaker speech in one pass.
HyenaRec: A Polynomial-Based Architecture for Fast, Scalable Sequential Recommendation
Researchers propose HyenaRec, a novel sequential recommender using Legendre polynomial kernels and gated convolutions. It achieves better accuracy than attention-based models while training up to 6x faster, especially on long user histories. This addresses a critical efficiency bottleneck in next-item prediction.
LSA: A New Transformer Model for Dynamic Aspect-Based Recommendation
Researchers propose LSA, a Long-Short-term Aspect Interest Transformer, to model the dynamic nature of user preferences in aspect-based recommender systems. It improves prediction accuracy by 2.55% on average by weighting aspects from both recent and long-term behavior.
Morgan Stanley Predicts 10x Compute Spike to Double AI Intelligence, Highlights 18 GW Energy Crisis
Morgan Stanley forecasts a massive AI leap from a 10x increase in training compute, but warns of an 18-gigawatt U.S. power shortfall by 2028. The report claims GPT-5.4 matches human experts with 83% on GDPVal.