most citedThe Amazon Nova Family of Models: Technical Report and Model Card

2 citations · 2 across the 11 of their papers we have counts for

collaborators

13 papers

cs.LG2026

ChorusTIC: Training-Free Multivariate Time Series Classification via Chorus In-Context Learning

Juntao Fang, Shifeng Xie, Ruichu Cai +6

Time series classification underpins applications in healthcare, sensing, and industrial monitoring. Although time series foundation models support forecasting and transferable rep…

cs.AI2026

Rethinking Normalization Placement for LLMs: Post-Norm under Curriculum Depth Growing

Sheng Ren, Yadong Wang, Naiqiang Tan +7

Pre-norm is the standard normalization placement in modern Transformers because it facilitates joint optimization of full-depth models. We ask whether this preference persists when…

cs.CL2026

WavBench: Benchmarking Reasoning, Colloquialism, and Paralinguistics for End-to-End Spoken Dialogue Models

Yangzhuo Li, Shengpeng Ji, Yifu Chen +6

With the rapid integration of advanced reasoning capabilities into spoken dialogue models, the field urgently demands benchmarks that transcend simple interactions to address real-…

cs.LG2026

Compress the Easy, Explore the Hard: Difficulty-Aware Entropy Regularization for Efficient LLM Reasoning

Qin-Wen Luo, Sheng Ren, Xiang Chen +4

Chain-of-Thought (CoT) has substantially empowered Large Language Models (LLMs) to tackle complex reasoning tasks, yet the verbose nature of explicit reasoning steps incurs prohibi…

cs.AI2026

Agent-Omit: Adaptive Context Omission for Efficient LLM Agents

Yansong Ning, Jun Fang, Naiqiang Tan +1

Managing agent context (e.g., thought and observation) during multi-turn agent-environment interactions is an emerging strategy to improve agent efficiency. However, existing studi…

cs.LG2026

Rethinking Zero-Shot Time Series Classification: From Task-specific Classifiers to In-Context Inference

Juntao Fang, Shifeng Xie, Shengbin Nie +7

The zero-shot evaluation of time series foundation models (TSFMs) for classification typically uses a frozen encoder followed by a task-specific classifier. However, this practice…

cs.AI2026

Darwinian Memory: A Training-Free Self-Regulating Memory System for GUI Agent Evolution

Hongze Mi, Yibo Feng, WenJie Lu +11

Multimodal Large Language Model (MLLM) agents facilitate Graphical User Interface (GUI) automation but struggle with long-horizon, cross-application tasks due to limited context wi…

cs.CR2026

SafeThinker: Reasoning about Risk to Deepen Safety Beyond Shallow Alignment

Xianya Fang, Xianying Luo, Yadong Wang +8

Despite the intrinsic risk-awareness of Large Language Models (LLMs), current defenses often result in shallow safety alignment, rendering models vulnerable to disguised attacks (e…

cs.AI2025

DeepTravel: An End-to-End Agentic Reinforcement Learning Framework for Autonomous Travel Planning Agents

Yansong Ning, Rui Liu, Jun Wang +6

Travel planning (TP) agent has recently worked as an emerging building block to interact with external tools/resources for travel itinerary generation, ensuring an enjoyable user e…

eess.AS2025

Phoenix-VAD: Streaming Semantic Endpoint Detection for Full-Duplex Speech Interaction

Weijie Wu, Wenhao Guan, Kaidi Wang +6

Spoken dialogue models have significantly advanced intelligent human-computer interaction, yet they lack a plug-and-play full-duplex prediction module for semantic endpoint detecti…

cs.AI2025★ 2 cited

The Amazon Nova Family of Models: Technical Report and Model Card

Amazon AGI, Aaron Langford, Aayush Shah +783

We present Amazon Nova, a new generation of state-of-the-art foundation models that deliver frontier intelligence and industry-leading price performance. Amazon Nova Pro is a highl…

cs.CL2025

Not All Thoughts are Generated Equal: Efficient LLM Reasoning via Multi-Turn Reinforcement Learning

Yansong Ning, Wei Li, Jun Fang +2

Compressing long chain-of-thought (CoT) from large language models (LLMs) is an emerging strategy to improve the reasoning efficiency of LLMs. Despite its promising benefits, exist…

cs.CL2025

DiMA: An LLM-Powered Ride-Hailing Assistant at DiDi

Yansong Ning, Shuowei Cai, Wei Li +4

On-demand ride-hailing services like DiDi, Uber, and Lyft have transformed urban transportation, offering unmatched convenience and flexibility. In this paper, we introduce DiMA, a…