collaborators

9 papers

cs.AI2026

MMShopBench: A Real-Log Benchmark for Multimodal, Multi-Turn Shopping Agents

Zeying Hao, Hao Guo, Mengtao Xu +5

Online shoppers increasingly turn to AI shopping assistants, using images and multi-turn dialogue to express and refine product needs that are difficult to articulate in text alone…

cs.CL2026

SkillChain: Closing the Loop on Skill Evolution for Image-Based E-Commerce AI Assistants

Yimin Hu, Mengtao Xu, Hao Guo +3

Image-based AI assistants are now deployed at production scale on e-commerce platforms, where a single uploaded image can trigger fundamentally different user intents: product sear…

cs.AI2026

Procedural Knowledge Is Not Low-Rank: Why LoRA Fails to Internalize Multi-Step Procedures

Simon Dennis, Kevin Shabahang, Hao Guo +1

Parameter-efficient fine-tuning methods like LoRA have become the default for adapting large language models, succeeding across instruction following, style transfer, and factual a…

cs.AI2026

When Mean CE Fails: Median CE Can Better Track Language Model Quality

Hao Guo, Simon Dennis, Rivaan Patil +1

Mean cross-entropy is the standard validation metric for language models, but it can fail to track model quality during training. We examine this in two common scenarios. First, in…

cs.AI2026

Beyond Inference-Only Deployment: Comparing Weight-Based Consolidation Against Cascading Compaction

Simon Dennis, Kevin Shabahang, Hao Guo +1

Major LLM platforms deploy models in an inference-only configuration: the model serves requests but never updates per-user weights. Users must repeatedly re-teach preferences, corr…

cs.AI2026

Compiling Agentic Workflows into LLM Weights: Near-Frontier Quality at Two Orders of Magnitude Less Cost

Simon Dennis, Rivaan Patil, Kevin Shabahang +1

Agent orchestration frameworks have proliferated, collectively exceeding 290,000 GitHub stars across LangGraph, CrewAI, Google ADK, OpenAI Agents SDK, Semantic Kernel, Strands, and…