Cover image

Important, but Not Direct: When Time-Series Attribution Misstates Model Dependencies

TL;DR for operators A forecasting dashboard can correctly report that an earlier observation influenced a prediction and still give the wrong impression about how that influence enters the model. Amadeo Tunyi’s paper, The Failures of Marginal Influence-Based Attribution Methods for Global Time Series Explanations, argues that familiar scalar attribution methods cannot in general recover the model’s direct temporal dependency structure.1 Marginal methods can assign importance to an earlier variable whose influence is entirely mediated through a later, autocorrelated observation. Gradient methods can report sensitivity that exists only outside the support of the data the model actually sees. ...

August 19, 2026 · 8 min · Zelina
Cover image

One Explanation Is a Single Point of Failure: RashomonLLM Turns Explanations Into Predictive Feedback

TL;DR for operators Should an explanation merely describe a model decision, or should it help the system make a better next prediction? The paper tests the second possibility: explanations guide prediction, and prediction errors become feedback for revising the reasoning used next.1 The strongest evidence comes from the KuaiLive component tests. The full system reached 0.771 accuracy, versus 0.650 for one-shot prediction without explanation and 0.711 for an iterative variant given matched-length but uninformative placebo explanations. The result does not show that generating more natural-language text inherently improves a model; it shows that, within this design, removing authentic explanatory content or replacing it with placebo text materially reduces performance. :contentReference[oaicite:0]{index=0} ...

August 15, 2026 · 7 min · Zelina
Cover image

Flag First, Explain Later: Where AI Financial Audits Still Need Human Judgment

TL;DR for operators An audit team has more financial statements than it can investigate deeply, so the first operational question is which files deserve attention and what an auditor should inspect once one is flagged. This system is much stronger at the first task than the second. Its strongest reported regression configuration, SVR M17, has an average of 0.83 among the twenty highest-ranked statements when measured against the paper’s proxy-positive criterion. The best explanation method, EiForest, reaches only 0.24 average F1 in the seven-company explanation evaluation. ...

August 13, 2026 · 7 min · Zelina
Cover image

Ten Clusters, One Dominant Signal: Rethinking Learner Archetypes in Edtech

TL;DR for operators When an education platform decides what a student should revise next, it can rely on one broad estimate of performance or build a detailed profile from every question response. The richer approach appears more precise, but this study finds that most of its predictive value is already captured by the simpler score. ...

August 9, 2026 · 6 min · Zelina
Cover image

Passing Tests Is Not an Audit Trail

TL;DR for operators When a coding agent changes a production-bound function after a failed test, a reviewer should be able to determine which failure caused each changed region to exist. Final code, passing tests, logs, and commits may show that the program works now, but they can lose the construction history needed to explain individual repairs. ...

August 7, 2026 · 8 min · Zelina
Cover image

Right Answer, Wrong Evidence: A Deployment Gate for Grid-Diagnosis LLMs

TL;DR for operators A grid operator may see topology, live measurements, and an incident narrative all point to the same diagnosis. The decision is not only whether the answer is correct, but whether the model relied on evidence that the diagnostic task permits it to use. In the study, shortcut incident text produced a mean signed utility effect of +0.062 even though its preregistered engineering importance was zero. The model therefore became more accurate by using evidence that should not have determined the answer. Accuracy and a plausible explanation cannot reveal that divergence on their own. ...

August 7, 2026 · 7 min · Zelina
Cover image

Search the Graph, Not the Model: RSF-GLLM Separates Traversal from Generation

TL;DR for operators An enterprise assistant may need to reach an answer through an internal identifier or intermediary record that shares almost no wording with the user’s question. Semantic similarity can recognize a plausible final answer while suppressing the unremarkable bridge entity needed to reach it. Larger retrieved neighborhoods do not solve this automatically; they can expose more valid paths while adding more convincing distractions. ...

July 27, 2026 · 10 min · Zelina
Cover image

Say Less: A Child-Speech Screener Designed to Stop Before Diagnosis

TL;DR for operators The paper presents a narrowly scoped screening pipeline for detecting common Polish sibilant substitutions in children.1 It does not attempt to transcribe unrestricted speech, diagnose a speech sound disorder, or replace a speech-language pathologist. That restraint is not an apology. It is the architecture. The system works by preserving non-canonical pronunciations as explicit tokens, aligning them against a known prompted pronunciation, converting the difference into a structured error description, and allowing a caregiver-facing assistant to speak only through clinician-reviewable templates. ...

July 15, 2026 · 19 min · Zelina
Cover image

Pick the Mistake Before You Pick the Metric

TL;DR for operators A clustering score is not a neutral verdict. It is a policy for deciding which mistakes count. Pasi Fränti’s review of external clustering measures separates that policy into three choices: how predicted clusters are matched to reference clusters, how similarity is scored, and how results are normalized.1 Those choices determine whether the metric rewards getting many individual records right, getting each cluster right regardless of size, or locating the correct cluster structure. ...

July 14, 2026 · 15 min · Zelina
Cover image

The Model Is Not the Medical System

TL;DR for operators Health AI does not fail only because the model is weak. It fails because the model learned the wrong context, explained the wrong thing, protected the wrong boundary, retrieved the wrong evidence, or performed beautifully in the one language where the evaluation happened to be convenient. Two recent arXiv papers make that point from opposite ends of the same operational chain. One builds an explainable, privacy-aware framework for detecting career-related depression and anxiety among university students, using structured student data, facial-behavior features, multimodal fusion, label smoothing, federated learning, and attribution methods.1 The other builds MMed-Bench-IR, a multilingual medical information retrieval benchmark designed to test cross-lingual medical alignment, concept discrimination, and evidence retrieval across six languages and three tasks.2 ...

June 27, 2026 · 17 min · Zelina