data science
data science on Beyond Market Intelligence: a running collection of 209 stories we have gathered and hand-picked because they are worth your time. Every post here touches on data science in some way — the news, the analysis, the deep dives, and the occasional surprise find. Acme AI is the next-generation, AI-powered spreadsheet platform built to replace Excel and redefine how analysts, data scientists, and enterprise teams work with data. New stories are added to this page as we find them, so check back if you want to keep up with what is happening around data science, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything Beyond Market Intelligence is covering right now.

Parse the Folder, Not Just the PDFs: The Relational Tables RAG Needs on a Case File
Traditional Retrieval-Augmented Generation (RAG) often focuses on parsing individual PDFs, but a more effective approach prioritizes understanding the relational structure *within* a case file folder. Our latest Enterprise Document Intelligence report, Vol. 1 #14D, reveals that the most valuable data for RAG isn't found in retrieval questions, but in identifying and leveraging the core relational tables. This allows for a future-focused approach, empowering users to anticipate case demands *before* even opening a file.

Bug Detection Blind Spots in AI Coding Harnesses (GStack and Beyond)
Recent debugging experiments across AI coding harnesses, including GStack, reveal a surprising truth: AI models often struggle less with code complexity than with incomplete information. Analyzing 28 distinct debugging scenarios, our research demonstrates a consistent pattern of blind spots arising from missing context. This highlights a critical area for improvement in AI development. To understand the broader implications for data accessibility, explore "Parse the Folder, Not Just the PDFs," which details the relational table needs for robust RAG systems.

Multi-Document RAG: A Folder of Unrelated PDFs Is One Long Document with a Nested Outline
Traditional Retrieval-Augmented Generation (RAG) struggles with disparate document sets. Our latest approach, detailed in Enterprise Document Intelligence [Vol.1 #14B], overcomes this by treating a folder of unrelated PDFs as a single, cohesive document—complete with a nested outline. This innovative technique bypasses the need for shared fields and indexing, delivering a summary line per file alongside a unique table of contents. Retrieval routes now extend down two levels, offering unprecedented access to information.

Building a Proper Backend for My LangGraph AI Agent
Moving beyond demo agents, building a robust backend for your LangGraph AI agent is crucial for handling real-world data, like booking information. This post details the practical steps to transform a prototype into a reliable system capable of persistent storage and retrieval. We'll explore key architectural considerations and best practices for ensuring data integrity and scalability. For broader insights into building AI safety systems at scale, consider “Presentation: SafeChat,” which details DoorDash’s approach to content moderation.

Running Codex as a Headless Agent
Codex, the powerful AI model, can now extend far beyond interactive assistance. This post explores running Codex as a headless agent—transforming it into a programmable automation component for sophisticated workflows. By decoupling Codex from a user interface, you unlock its potential for building custom AI-powered tools and integrations. Discover how this approach empowers developers to automate tasks and build more intelligent systems. For a broader perspective on intelligent automation, see "5 Real-World Use Cases for AI Agents Transforming Industries."

Retrieve One Row from a Table, Not the Whole Table: Row-Level Chunks for RAG
Traditional Retrieval-Augmented Generation (RAG) often retrieves entire documents, which can be inefficient and noisy. Enterprise Document Intelligence, Vol. 1 #7sexies, explores a more targeted approach: row-level chunks. Specifically, when working with tables, each row—including its column headers—becomes a distinct retrieval unit. This focused strategy ensures you deliver precisely the information users request, eliminating extraneous data. Discover how this technique can transform your RAG performance; consider "How to Build a Career in AI" for broader insights into optimizing your AI workflows.

Estimating from No Data: Deriving a Continuous Score from Categories
Facing a data scarcity challenge? "Estimating from No Data: Deriving a Continuous Score from Categories" explores a compelling solution: leveraging low-capacity networks to generate fine-grained scores even when training data is limited to categorical labels. This walkthrough unpacks the underlying mathematics, offering a practical approach to unlock valuable insights from seemingly incomplete datasets. It’s a future-focused technique for data professionals seeking to maximize utility from available information. For context on the broader AI data landscape, see "AI data startup Micro1 reaches $500M gross run rate."

How Benders Decomposition Works, Part II: Feasibility Cuts
Benders Decomposition, Part II delves into feasibility cuts, a crucial optimization technique. This post explores Farkas' lemma and its application to Benders decomposition, specifically demonstrating how to learn from infeasibility within complex problems like the capacitated facility location problem. By strategically incorporating feasibility cuts, we refine the master problem and accelerate convergence. For those interested in structuring data for efficient analysis, consider "The Types of Dimensions in a Star Schema" for a deeper dive into dimensional modeling concepts.

The Types of Dimensions in a Star Schema, and How to Use Them
Dimensional modeling hinges on understanding dimensions—one of its two core object types. But dimensions aren't monolithic; they encompass several distinct varieties, each serving a specific purpose in structuring data for analysis. This post explores these types, detailing how to effectively leverage them within a star schema to unlock deeper insights. We’ll clarify their roles in providing context and enabling powerful data exploration. For a related perspective on optimizing data retrieval, see "Retrieve One Row from a Table, Not the Whole Table: Row-Level Chunks for RAG."

The LLM Judge That Kept Agreeing With Itself
A recent production incident revealed a surprising challenge: an LLM tasked with judging the output of other models exhibited a tendency to consistently agree with itself, regardless of the actual quality. This experience underscored the critical need for robust evaluation strategies when deploying AI systems to assess AI. We learned valuable lessons about the pitfalls of relying solely on model-generated judgments and the importance of incorporating human oversight. For further insights into AI agent deployment, explore "NanoClaw comes to Slack."

How to Build a Career in AI: 3 Distinct Pathways
Embarking on an AI career can feel overwhelming, but the path isn't monolithic. We’ve outlined three distinct pathways – each requiring a unique skillset and offering varied opportunities. Discover how to align your existing experience with roles in AI development, research, or application. This guide clarifies the necessary skills for each orientation, providing a clear roadmap to navigate this rapidly evolving field. For deeper insights into the tools shaping AI’s future, explore our article on "Top 10 Open-Source Benchmarks for AI Coding Agents in 2026."

How to Fine-Tune an LLM: An End-to-End Guide
Ready to move beyond pre-trained LLMs and unlock their full potential? Our comprehensive guide, "How to Fine-Tune an LLM: An End-to-End Guide," provides a practical, hands-on approach to tailoring these powerful models for real-world applications. Explore the process, from data preparation to evaluation, and discover how fine-tuning can dramatically improve performance on specific tasks. For a deeper dive into the complexities of LLM evaluation, see our article, "The LLM Judge That Kept Agreeing With Itself," and empower your data journey.

Making the Knowledge Layer a Graph You Actually Traverse
Traditional knowledge layers often falter when retrieval quality hinges on precise question phrasing. We're shifting that paradigm. Our approach reimagines the knowledge layer as a traversable graph, ensuring consistent results regardless of query wording. This involves rebuilding with graph traversal on every query, incorporating bitemporal edges for nuanced context, and employing a two-threshold entity resolution process.

How to Scale an Integration Pipeline Without Breaking Correctness
Scaling data integration pipelines presents a critical challenge for growing organizations. This post details a production account of how we successfully scaled an enterprise integration pipeline from 500 to 8,000 events per second – a significant increase – while steadfastly upholding two crucial correctness guarantees. Throughput gains were never achieved at the expense of data integrity. Explore the strategies and considerations for maintaining accuracy and reliability as your data volumes surge.

Understanding Anti-AI Public Opinion
Public perception of AI is shifting, and understanding the growing anti-AI sentiment is crucial. People readily accept tradeoffs when they perceive clear value, but a lack of perceived benefit can quickly erode trust. This post explores the factors driving this resistance, examining how to build solutions that resonate with user needs and address concerns. Discover how aligning AI capabilities with tangible outcomes can foster broader acceptance—a perspective mirrored in our analysis of RAG pipeline efficiency, as detailed in "Kimi K3’s 1M Token Context Window vs.

Kimi K3’s 1M Token Context Window vs. RAG: Cost, Latency and Answer Quality
A controlled comparison reveals compelling insights: Kimi K3’s 1M token context window consistently outperforms a top-5 Retrieval-Augmented Generation (RAG) pipeline across key metrics. We rigorously tested both approaches on 12 questions, maintaining identical system prompts and model parameters. Our blind grading assessed correctness, completeness, and grounding, demonstrating that direct prompting with Kimi K3 delivers superior answer quality while often reducing both cost and latency. Explore the full analysis in our latest post, and for a related exploration of AI-powered problem-solving, see our article, "Jigsaw Jeeves."

Jigsaw Jeeves: Building a Puzzle Assistant using Computer Vision
Delve into the fascinating world of computer vision with "Jigsaw Jeeves," a project that transforms the seemingly simple task of solving jigsaw puzzles into an AI-powered experience. This article provides a conceptual overview and practical walkthrough of building a puzzle assistant using Python. Discover how computer vision techniques can be leveraged to identify, match, and ultimately solve puzzles—a compelling demonstration of AI's potential. For those new to applying machine learning concepts, consider "how can I learn Machine Learning for Astronomical use?" for foundational insights.

AI isn’t close to curing cancer. This startup says it knows what it will take.
The pursuit of AI-driven medical breakthroughs often overstates near-term possibilities. While a cure for cancer remains distant, a new startup is focusing on a fundamental truth: it’s the data, stupid. Their approach prioritizes meticulous data curation and intelligent modeling—a pragmatic strategy for unlocking insights hidden within complex biological datasets. This emphasis on foundational data practices represents a crucial shift, mirroring the innovative techniques explored in our recent piece, "Trained an diffusion model that runs on 264KB of RAM."

Building Enterprise Agent Systems that People can Trust, Verify and Improve
Successfully deploying AI agents within enterprises demands a focus beyond initial promise. Our latest article, "Building Enterprise Agent Systems that People can Trust, Verify and Improve," outlines five critical principles distilled from experience building a system for a $100M+ company. These principles ensure agent reliability and usability in production environments. We rank these principles by impact, offering practical guidance for avoiding common pitfalls.

Graph Engineering Isn’t About More Connections — It’s About Which Ones Get Used
Conventional wisdom suggests more connections improve multi-agent performance, but our recent research reveals a surprising truth: it’s not about quantity, it’s about relevance. A rigorous experiment demonstrated that beyond a certain point, increased network density actually *decreases* the fraction of edges utilized, creating a disconnect between configured and behavioral connectivity. This highlights a critical shift in graph engineering – prioritizing impactful relationships over sheer volume. Explore this paradigm shift further in "Building Enterprise Agent Systems that People can Trust, Verify and Improve."

Ten Is Not a Hundred
AI hallucination detection has a surprising vulnerability: the number ten. Recent research reveals that even sophisticated detectors consistently fail to flag "ten" as an error when it’s presented as "hundred." This seemingly minor detail highlights a critical flaw in current evaluation methods, underscoring the need for more robust testing strategies. Explore this unexpected pitfall and its implications for AI reliability. For deeper insights into building trustworthy AI agents, consider "Building Enterprise Agent Systems that People can Trust, Verify and Improve."

From Prototype to Production: The Architecture Behind Secure & Governed AI Agents
Moving AI agents from prototype to production demands a robust architecture prioritizing security and governance. Our latest post, "From Prototype to Production: The Architecture Behind Secure & Governed AI Agents," details the essential layers required for enterprise readiness. We explore how to build responsible AI, ensuring data integrity and compliance. Discover practical strategies for mitigating risk and maximizing value as AI adoption scales.

Three Generations of Autoscaling — And Why Agentic Traffic Breaks All of Them
For two decades, autoscaling has been a cornerstone of cloud infrastructure. However, the rise of agentic traffic—autonomous agents dynamically generating requests—is exposing fundamental limitations in these established approaches. This post explores three generations of autoscaling and definitively demonstrates how agentic traffic renders them ineffective. Discover a new paradigm for capacity planning, one built to address the evolving demands of the AI era. For further insight into related infrastructure investments, see "Nvidia investing $1.5B in SoftBank data center developer behind OpenAI project."

How to Perform Effective Project Management with AI
Software engineers, reclaim your time and elevate your project management. This post explores how Large Language Models (LLMs) can transform your workflow, moving beyond traditional spreadsheet limitations. Discover actionable strategies to leverage AI for task prioritization, progress tracking, and risk mitigation—ultimately boosting productivity and reducing burnout. We'll examine practical applications and demonstrate how to integrate AI tools seamlessly into your existing processes. For a deeper dive into the complexities of autonomous agents and capacity planning, see our related article, "Three Generations of Autoscaling."