Luciano Maldonado https://luciano665.github.io/ Recent content on Luciano Maldonado Hugo en-US Fri, 25 Sep 2026 00:00:00 +0000 A Deep-Learning Approach for ECG-Based Cryptographic Key Generation https://luciano665.github.io/publications/ecg-key-generation/ Sun, 01 Jun 2025 00:00:00 +0000 https://luciano665.github.io/publications/ecg-key-generation/ Learning person-specific 256-bit keys from ECG signals with attention to consistency, separation, and statistical randomness. Agentic Support https://luciano665.github.io/projects/agentic-support/ Sun, 01 Jun 2025 00:00:00 +0000 https://luciano665.github.io/projects/agentic-support/ A support workflow combining retrieval, tool use, and a ReAct agent with inspectable execution traces. PrivDrift: Auditing User-Secret Leakage Under Topic Drift in Active LLM Conversations https://luciano665.github.io/publications/privdrift/ Fri, 25 Sep 2026 00:00:00 +0000 https://luciano665.github.io/publications/privdrift/ A benchmark for testing whether user-disclosed secrets remain recoverable after a conversation moves to unrelated topics. Codebase RAG https://luciano665.github.io/projects/codebase-rag/ Fri, 01 Nov 2024 00:00:00 +0000 https://luciano665.github.io/projects/codebase-rag/ Natural-language exploration of code repositories using syntax-aware parsing and vector retrieval. LLM Sycophancy and Conformal Risk Control https://luciano665.github.io/publications/conformal-sycophancy/ Wed, 01 Apr 2026 00:00:00 +0000 https://luciano665.github.io/publications/conformal-sycophancy/ Studying harmful agreement in language models and uncertainty thresholds designed to reduce sycophantic responses. LLM Evaluation https://luciano665.github.io/projects/llm-evaluation/ Sat, 01 Feb 2025 00:00:00 +0000 https://luciano665.github.io/projects/llm-evaluation/ A structured application for comparing model responses with similarity metrics and an LLM judge. Sycophancy in Medical Vision-Language Models https://luciano665.github.io/publications/medical-vlm-sycophancy/ Fri, 11 Sep 2026 00:00:00 +0000 https://luciano665.github.io/publications/medical-vlm-sycophancy/ Separating failures to perceive a medical image from agreement with a user’s spatially false premise. PixelAlchemy https://luciano665.github.io/projects/pixelalchemy/ Sun, 01 Dec 2024 00:00:00 +0000 https://luciano665.github.io/projects/pixelalchemy/ A text-to-image application connecting a web interface to generative models on serverless GPUs.