Amazon’s AI-powered Alexa+ gets new personality options
Users will be able to choose from Alexa styles like Brief, Chill, or Sweet, Amazon says.
Sarah Perez
59 views
All Articles
Articles
Adobe Firefly’s video editor can now automatically create a first draft from footage
Adobe Firefly is getting a new feature called Quick Cut that uses AI to edit footage to create a first draft of the final video …
Ivan Mehta
57 views
Khosla’s Keith Rabois backs Comp, which wants to bolster HR teams with AI
The HR tech startup, which currently operates in Brazil, has raised a $17.25 million Series A.
Marina Temkin
58 views
IAPO: Information-Aware Policy Optimization for Token-Efficient Reasoning
arXiv:2602.19049v1 Announce Type: new Abstract: Large language models increasingly rely on long chains of thought to improve accuracy, yet such gains come with substantial inference-time …
Yinhan He, Yaochen Zhu, Mingjia Shi, Wendy Zheng, Lin Su, Xiaoqing Wang, Qi Guo, Jundong Li
21 views
Do LLMs and VLMs Share Neurons for Inference? Evidence and Mechanisms of Cross-Modal Transfer
arXiv:2602.19058v1 Announce Type: new Abstract: Large vision-language models (LVLMs) have rapidly advanced across various domains, yet they still lag behind strong text-only large language models …
Chenhang Cui, An Zhang, Yuxin Chen, Gelei Deng, Jingnan Zheng, Zhenkai Liang, Xiang Wang, Tat-Seng Chua
19 views
TriTopic: Tri-Modal Graph-Based Topic Modeling with Iterative Refinement and Archetypes
arXiv:2602.19079v1 Announce Type: new Abstract: Topic modeling extracts latent themes from large text collections, but leading approaches like BERTopic face critical limitations: stochastic instability, loss …
Roman Egger
20 views
Value Entanglement: Conflation Between Different Kinds of Good In (Some) Large Language Models
arXiv:2602.19101v1 Announce Type: new Abstract: Value alignment of Large Language Models (LLMs) requires us to empirically measure these models' actual, acquired representation of value. Among …
Seong Hah Cho, Junyi Li, Anna Leshinskaya
21 views
Astra: Activation-Space Tail-Eigenvector Low-Rank Adaptation of Large Language Models
arXiv:2602.19111v1 Announce Type: new Abstract: Parameter-Efficient Fine-Tuning (PEFT) methods, especially LoRA, are widely used for adapting pre-trained models to downstream tasks due to their computational …
Kainan Liu, Yong Zhang, Ning Cheng, Yun Zhu, Yanmeng Wang, Shaojun Wang, Jing Xiao
26 views
How Do LLMs Encode Scientific Quality? An Empirical Study Using Monosemantic Features from Sparse Autoencoders
arXiv:2602.19115v1 Announce Type: new Abstract: In recent years, there has been a growing use of generative AI, and large language models (LLMs) in particular, to …
Michael McCoubrey, Angelo Salatino, Francesco Osborne, Enrico Motta
49 views
AgenticRAGTracer: A Hop-Aware Benchmark for Diagnosing Multi-Step Retrieval Reasoning in Agentic RAG
arXiv:2602.19127v1 Announce Type: new Abstract: With the rapid advancement of agent-based methods in recent years, Agentic RAG has undoubtedly become an important research direction. Multi-hop …
Qijie You, Wenkai Yu, Wentao Zhang
28 views
A Dataset for Named Entity Recognition and Relation Extraction from Art-historical Image Descriptions
arXiv:2602.19133v1 Announce Type: new Abstract: This paper introduces FRAME (Fine-grained Recognition of Art-historical Metadata and Entities), a manually annotated dataset of art-historical image descriptions for …
Stefanie Schneider, Miriam G\"oldl, Julian Stalter, Ricarda Vollmer
49 views
Facet-Level Persona Control by Trait-Activated Routing with Contrastive SAE for Role-Playing LLMs
arXiv:2602.19157v1 Announce Type: new Abstract: Personality control in Role-Playing Agents (RPAs) is commonly achieved via training-free methods that inject persona descriptions and memory through prompts …
Wenqiu Tang, Zhen Wan, Takahiro Komamizu, Ichiro Ide
20 views