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The Mathematics Search Engine
Mathematics News & Resources
4Mathematics is a specialist search engine for Mathematics. Discover the latest math news and mathematical content. Part of the 4SEARCH network of topic specific search engines.
Latest Articles
I ran OCR in the browser so receipt images never leave the device
7+ min ago (989+ words) Every receipt scanner I looked at uploaded the image to a server to read it. That makes sense technically. It made no sense to me otherwise. A year of receipts is a fairly complete picture of a person. Which pharmacy…...
The AI-created tool finished 'successfully.' But it was off by about 200,000 yen｜AIOfficeLab
7+ hour, 8+ min ago (1239+ words) Even though it was off by about 200,000 yen, the tool finished 'successfully' The problem wasn't that the tool didn't work. The problem was that it was able to finish successfully even though it was wrong. Since I started building business…...
I created a tool that makes you pause and think about LLM responses｜Kohbunboku
7+ hour, 8+ min ago (1043+ words) When using LLMs like ChatGPT, you sometimes get responses that are very natural and persuasive. They are well-structured as text, and the explanations are logical. As a result, you might find yourself thinking, "I see. That makes sense." and almost…...
The Residual Class Problem: Why a Face Shape Classifier Keeps Answering Oval
26+ min ago (446+ words) If you build a classifier with a fixed set of labels, one of those labels usually ends up doing a job nobody assigned it: catching everything that fails to match the others. Face shape detection is a clean, low-stakes example…...
gpuc: A single-user GPU queue that doesn't require sudo — LessWrong
24+ min ago (21+ words) I need to queue work on various GPUs to run experiments, and I want to do that as cheaply as possible: …...
Compare Custom Metrics Dashboard Backends Across CloudWatch Grafana Cloud and PostHog
1+ hour, 6+ min ago (717+ words) Use a small custom metrics dashboard backend when incident reconstruction depends on application-defined delivery stages, then compare it with CloudWatch, Grafana Cloud, and PostHog before committing. The deciding constraint is evidence: a dashboard can show that game notifications failed after…...
Building an ETL Pipeline with Python, Docker, and PostgreSQL (And Debugging the Real Errors)
57+ min ago (576+ words) Most ETL tutorials show a perfect, frictionless flow. The reality? My pipeline turned into a festival of KeyError's, outdated schemas, and API payload typos. In this article, I will walk you through a complete Extrac -> transform -> Load pipeline using Python,…...
AI Is Everywhere. Should You Use It for Health Advice? | Newswise
2+ hour, 16+ min ago (47+ words) The following expert commentary can be used by journalists and media organizations in their own publications and news coverage. Please attribute all quotes to Xiaoqian Jiang, PhD, chair of the Department of Health Data Science and Artificial Intelligence at McWilliams…...
When Correct Memories Become Wrong Decisions: Building Context-Aware Manufacturing Memory with Hindsight
1+ hour, 21+ min ago (787+ words) By Team ThinkMates — Amrutha K, Kammar Akshay, Rashmika K Sealer-02 is a heat-sealing machine on a packaging line. For months it ran Film-A from supplier PackCo under recipe R10, and the fix for any Weak Seal defect was reliable: Increase Temperature…...
Your Vector Search Knows “Bank” Is Related to “Bank.” It Doesn’t Know Which Bank You Mean.
1+ hour, 12+ min ago (403+ words) Vector search is very good at similarity. Similarity is not always the same thing as meaning. That distinction starts becoming expensive when retrieval feeds an LLM. They share the same word. A similarity system has every reason to place them near…...