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Building a Semantic Search Engine and Open-Status Classifier over the ResearchMath-14k Dataset

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In this tutorial, we work with the amphora/ResearchMath-14k dataset, a collection of research-level mathematics problems mined from arXiv. We load the dataset, inspect its structure, and explore how the problems are distributed across mathematical fields and open-status categories. We then move beyond basic analysis by extracting field-specific keywords, generating semantic embeddings, visualizing the problem landscape, clustering related problems, and building a simple search engine over the dataset. Also, we train a classifier to predict problem status from embeddings […]

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Models finding software vulnerabilities is not the primary source of cybersecurity risk

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I have tried and failed to write a longer post since 2024, so here goes a short one with less detail. Discourse has primarily focused on models’ ability to develop new exploits against important software from scratch. That capability is impressive, but the tech industry has been dealing with people regularly finding 0-day exploits for important pieces of software for more than twenty years. Having to patch these vulnerabilities at a 10xed or even 100xed cadence for a […]

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PATH to boost AI training and career opportunities for industry-aligned jobs

PATH to boost AI training and career opportunities for industry-aligned jobs

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MIT, in collaboration with Georgia State University and a growing network of educational institutions, has announced expanded work under PATH (Pathways for AI Training and Hiring) — a multiyear initiative designed to scale effective, affordable, industry-aligned AI training for entry-level and current workers, with a particular focus on transforming community colleges into engines powering an AI-enabled workforce for the nation.  “In the era of AI, economic opportunity and mobility will increasingly depend on whether people can develop practical, […]

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Elon Musk tries again to escape FTC audits of X data handling

Elon Musk tries again to escape FTC audits of X data handling

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Critics hope to keep Elon Musk from escaping a strict data-privacy order imposed by the Federal Trade Commission (FTC) shortly before he took over Twitter. The FTC order placed restrictions on X’s data use for 20 years, while requiring regular independent audits and granting the agency authority to request documents as needed to ensure compliance. The FTC’s action came after Twitter voluntarily disclosed that between May 2013 and September 2019, a coding error accidentally allowed phone numbers and […]

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Meet Fiona and Abby

Meet Fiona and Abby

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Fiona Abby Since it’s coming up to their “gotcha” anniversaries I would like to introduce you to Fiona (top) and Abby (below). After we lost our beloved Minpin, we kept an eye out for other Miniature Pinschers available for adoption, and Joanne spotted Fiona at Beyond Rescue. When we met her in person she was very anxious, but once she rolled over for belly rubs I knew she had to come home with us. It turned out she […]

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Cable lobby warns of chaos if FCC doesn't relax ban on foreign routers

Cable lobby warns of chaos if FCC doesn’t relax ban on foreign routers

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The cable industry’s primary lobby group is seeking a waiver of the Federal Communications Commission ban on foreign routers, warning of potential chaos if cable Internet service providers can’t change some of the components in routers they offer to home broadband users. In March, the FCC added all consumer-grade routers made at least partly outside the US to its Covered List, which imposes restrictions on devices deemed to pose an unacceptable risk to national security. The change affected […]

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Bumblebees can spontaneously solve problems, study finds

Bumblebees can spontaneously solve problems, study finds

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Despite having tiny brains, bumblebees have demonstrated a remarkable ability to socially learn how to use tools, solve simple puzzles, and cooperate to achieve a goal. It seems they can also solve object-manipulation tasks without any previous training, according to a new paper published in the journal Science. According to the authors, it’s the first time this kind of spontaneous problem-solving has been demonstrated in an insect. In 2024, Olli Loukola of the University of Finland co-authored a […]

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TailLoR: Protecting Principal Components in Parameter-Efficient Continual Learning

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Parameter-efficient finetuning methods based on spectral decomposition have enabled progress in Continual Learning. In this paper we introduce TailLoR, which utilizes the singular bases U and V of the pre-trained weights as a fixed reference frame to learn a low-rank update applied to the singular value matrix. A soft spectral penalty discourages updates aligned with dominant singular directions, reducing interference while routing fine-grained adaptation into the highly flexible, long-tail spectral coordinates.

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Observation Space Design For Long Horizon Task

Observation Space Design For Long Horizon Task

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I’ve been working on a web-based RL Playground using Three.js on the frontend and Gymnasium + PyBullet + PPO (Stable-Baselines3) on the backend. So far I have successfully trained: • Navigation to a target • Coin finding • Coin collection The latest model can navigate toward a coin and perform the collect action when within range. For my FYP, the expectation is not necessarily many separate agents, but rather an agent capable of executing a longer sequence of […]

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