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Machine Learning

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Judge a Transaction by the Company It Keeps — Somya Rai & MD Sharique, EXL

Judge a Transaction by the Company It Keeps — Somya Rai & MD Sharique, EXL

EXL developed an advanced fraud detection system that augments XGBoost with Graph Neural Network (GNN) embeddings. Traditional tabular models struggle to capture fraud signals residing in transaction neighborhoods. The system's innovative design includes meticulous sampling strategies, disjoint monthly graph construction for leakage control, and a GraphSAGE architecture that aggregates mean, max, and standard deviation of neighbor features to detect subtle fraud patterns. Emphasizing explainability for regulatory compliance and analyst trust, it also features a highly optimized serving architecture achieving 3ms P99 latency, pivoting to edge prediction to reduce cache footprint from 60GB to 2-3GB. This led to a 27-33% relative lift in true positive rates and a projected $65 million incremental fraud capture.

From 15% to 90% GPU Utilization: Fix the Data Pipeline, Not the Model

From 15% to 90% GPU Utilization: Fix the Data Pipeline, Not the Model

Tarun Sunkaraneni from Amazon AGI shows how a multimodal SFT pipeline that spent about 85% of its time waiting on data was brought to roughly 90% GPU utilization. He walks through concurrency with asyncio and Ray actors, prefetching, zero-copy transfer via Ray's object store, and a network-card bottleneck that appears only at scale, and argues that the hardest part of training throughput is often keeping GPUs fed rather than optimizing the model.

Small Models, Big Results: Training a Finance Agent for Under $500 — Charles Dickens, Snorkel AI

Small Models, Big Results: Training a Finance Agent for Under $500 — Charles Dickens, Snorkel AI

Snorkel AI and UC Berkeley's Sky Computing Lab show that a 4B Qwen3 model, trained with reinforcement learning for under $500 using the rLLM framework, beats its 235B sibling on expert-validated financial question answering built from SEC 10-K filings. The talk covers the FinQA dataset construction and verification, common failure modes of frontier models, transfer to multi-table and general tool-use tasks, and ablations showing that simple data and binary rewards outperform more elaborate setups, since the real bottleneck is disciplined tool use rather than reasoning depth.

Artificial Intelligence

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Why AI Could Turn Small Law Firms Into Billion-Dollar Businesses

Why AI Could Turn Small Law Firms Into Billion-Dollar Businesses

Eve CEO Jay Madheswaran joins a16z's Alex Rampell to explain how AI is automating plaintiff law end to end, expanding access to legal representation by making previously uneconomical cases viable, and why the economics point toward outcome-based pricing, agent-to-agent negotiation, and a fundamentally different law firm structure.

Why Everyone Is About To Have Their Own Database

Why Everyone Is About To Have Their Own Database

Paul Copplestone, CEO of Supabase, explains how the open-source Postgres platform grew to 13 million users and nearly 50 million databases by becoming the default backend for agents and a new class of non-engineer builders. He covers the shift from dashboard to API to code-first products, personal databases that individuals own, scaling Postgres to billions of databases, and designing tools so agents can recover from errors on their own.

AI exposes a major web security flaw, plus a new kind of voice model

AI exposes a major web security flaw, plus a new kind of voice model

This week's panel examines a critical PHP vulnerability that AI tools are surfacing faster than organizations can patch, a voice model from Block that listens and speaks simultaneously, and a cultural riddle benchmark that exposes how evaluation rewards guessing over admitting uncertainty. The episode closes with an IBM TechXchange report on streaming data architecture for AI agents.

Technology

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Why Founders Are Betting Big on Factories, Mines, and Energy

Why Founders Are Betting Big on Factories, Mines, and Energy

Erin Price-Wright and Connor Love unpack the AD50 and the rebuilding of America's industrial base, covering how defense demand is financing manufacturing capacity for commercial markets, how AI is reshaping factory economics, how a new generation of founders applies lessons from SpaceX, Tesla, Anduril, and Palantir to mining, energy, and manufacturing, and why private capital is now willing to fund physical infrastructure before government demand is guaranteed.

Mark Cuban’s Plan to Make Healthcare Affordable

Mark Cuban’s Plan to Make Healthcare Affordable

Mark Cuban and Julie Yoo discuss how transparency, direct contracting, and AI could reshape healthcare economics, from Cost Plus Drugs and modular pod manufacturing to personalized medicine, the future of physicians, and advice for founders who want to use AI to learn rather than to stop thinking.

Exploits Now Beat Patches: Open Source Security in the AI Era - Patrick Smyth, Chainguard

Exploits Now Beat Patches: Open Source Security in the AI Era - Patrick Smyth, Chainguard

Patrick Smyth of Chainguard examines how frontier AI has compressed the time between vulnerability disclosure and exploitation, leaving 30-day remediation cycles obsolete. The talk covers AI-assisted attacks, waves of supply chain malware, four attack surfaces spanning malware, known CVEs, zero days, and side doors like CI/CD, developer laptops, and agent skills, and practical defenses including cooldown periods, faster CVE remediation, and signing artifacts with SLSA and Sigstore.


Recent Post

How Forward Deployed Engineering is done at Factory — Eno Reyes

How Forward Deployed Engineering is done at Factory — Eno Reyes

Eno Reyes discusses Factory's unique approach to Forward Deployed Engineering, positioning FDEs as the "tip of the spear" for product feedback rather than professional services. He introduces the "software factory" concept, an AI-driven, automated pipeline from signal to deploy, enabled by Droid—a model-independent, air-gappable agent harness. Reyes emphasizes "agent readiness" through robust validation loops as key to achieving autonomy, citing successes like migrating massive codebases. He frames the FDE's role as a balancing act, demonstrating the future of autonomous engineering without alienating customers, akin to Disney's Epcot analogy.

AI tools for Forward Deployed Engineering — Vasuman Moza, Varick Agents

AI tools for Forward Deployed Engineering — Vasuman Moza, Varick Agents

Varick Agents tackles the enterprise AI adoption challenge by deploying Forward Deployed Engineers (FDEs) who map, re-engineer, and automate complex workflows directly on top of existing systems, avoiding costly migrations. The company develops specialized internal AI tooling, including 'Engagement' and 'Workflow' agents, and employs custom model training with RL environments to overcome frontier model limitations in context extraction and clarity, enabling department-wide AI transformation.

How Forward Deployed Engineering is done at Cognition — Jia Wu

How Forward Deployed Engineering is done at Cognition — Jia Wu

Cognition's deployed engineering team focuses on measuring customer outcomes, not just token usage, achieving significant productivity gains with their AI agent, Devin. This involves understanding deep business problems, strategically applying Devin's capabilities, and feeding insights back to product development, fundamentally reshaping the role of a deployed engineer.

How Forward Deployed Engineering is done at Ramp — Leo Mehr

How Forward Deployed Engineering is done at Ramp — Leo Mehr

Leo Mehr, Director of Engineering at Ramp, outlines two critical principles for Forward Deployed Engineering (FDE): "Always Be Scoping" to ensure the delivery of the right product by deeply understanding customer needs and context, and "Scale with Tokens" by strategically integrating AI agents into FDE workflows. He highlights Ramp's success in automating request intake and spec generation using AI, emphasizing the need for both human judgment and AI-driven efficiency to thrive in the future.

The Dirty Secret of Forward Deployed Engineering — Natalie Meurer, Sierra

The Dirty Secret of Forward Deployed Engineering — Natalie Meurer, Sierra

Natalie Meurer discusses the "dirty secret" of Forward Deployed Engineering (FDE), arguing that its definition has broadened so much it has lost specific meaning, yet remains critical in the age of AI. She traces its evolution at Palantir from pure DevOps to data integration, custom solutions, and enablement, highlighting customer accountability as its enduring core. Meurer contends that as AI makes code cheap, the focus shifts to integrating data, understanding customers, and achieving outcomes—making agent engineering a direct descendant of FDE under a new name, especially evident in the move towards outcome-based pricing models.

How Forward Deployed Engineering is done at Decagon — Sunny Rekhi

How Forward Deployed Engineering is done at Decagon — Sunny Rekhi

Sunny Rekhi, CTO of Forward Deployed Engineering at Decagon, explains how his company builds and scales AI customer service agents. He delves into the dual nature of forward-deployed work – agent configuration and product development driven by customer asks – and how this role blends with core product engineering. The discussion covers critical strategies for scaling from 50 to 500 employees, emphasizing restraint, early success definition, industry specialization, and the ethos of turning custom solutions into self-serve, reusable product features.

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