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Silviu Vlad Oprea

3 accepted papers

2024

LoRA-Guard: Parameter-Efficient Guardrail Adaptation for Content Moderation of Large Language Models

EMNLP 2024main

Guardrails have emerged as an alternative to safety alignment for content moderation of large language models (LLMs). Existing model-based guardrails have not been designed for resource-constrained computational portable devices, such as mobile phones, more and more of which are running LLM-based ap…

Cited by 3SourcePDFScholar
2022

Multi-Stage Framework with Refinement Based Point Set Registration for Unsupervised Bi-Lingual Word Alignment

COLING 2022main

Cross-lingual alignment of word embeddings are important in knowledge transfer across languages, for improving machine translation and other multi-lingual applications. Current unsupervised approaches relying on learning structure-preserving transformations, using adversarial networks and refinement…

2022

Should a Chatbot be Sarcastic? Understanding User Preferences Towards Sarcasm Generation

ACL 2022long

Previous sarcasm generation research has focused on how to generate text that people perceive as sarcastic to create more human-like interactions. In this paper, we argue that we should first turn our attention to the question of when sarcasm should be generated, finding that humans consider sarcast…