3 papers
cs.CR2026
When Models Know but Can't Linearly Say: Relational Encoding Limits Linear Vulnerability Classification in Code LLMs
Rui Melo, Andre Catarino, Claudia Mamede +2
Large language models can detect vulnerable code, yet the form of vulnerability encoding in their representations remains unclear. We analyze 8 code models spanning 6.7B-15B parame…
cs.LG2025
Evaluating Privacy-Utility Tradeoffs in Synthetic Smart Grid Data
Andre Catarino, Rui Melo, Rui Abreu +1
The widespread adoption of dynamic Time-of-Use (dToU) electricity tariffs requires accurately identifying households that would benefit from such pricing structures. However, the u…
cs.SE2025
Are Sparse Autoencoders Useful for Java Function Bug Detection?
Rui Melo, Claudia Mamede, Andre Catarino +2
Software vulnerabilities such as buffer overflows and SQL injections are a major source of security breaches. Traditional methods for vulnerability detection remain essential but a…