Author

Edgar Chávez

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Preprint Oct 2026

SOLO: Certified-Recall Metric Similarity Search with Scan-Only Sampled Inverted Lists

In every fast nearest-neighbor index, recall is measured, never predicted: each operating point is tuned by serving it against ground truth. SOLO is an index whose recall is computed from the index itself, before any query is served. SOLO is an inverted file whose vocabulary is a random sample of the database. Each obj...

Edgar Chávez · 0 citations

Preprint Aug 2026

misi: a Metric Inverted Sample Index

Misi is presented, an inverted index for approximate nearest-neighbor search over general metric spaces whose vocabulary is a random sample of the database, of size proportional to $n, whose design's strengths are structural and structural.

Edgar Chávez · 1 citation

Open access 2026

Quantifying Conceptual Brittleness: An Evaluation of Large Language Models on Biographical and Occupational Inference

Large language models (LLMs) have demonstrated remarkable capabilities across diverse tasks, yet their ability to maintain stable inference under linguistically varied inputs remains poorly understood. We introduce the concept of conceptual brittleness, defined as the failure of an LLM to sustain inference performance...

Antonio de Jesús García-Chávez, Everardo Gutiérrez-López, D. Flores et al. · IEEE Access · 0 citations