collaborators

5 papers

cs.CL2026

Exploring Fine-Tuning for In-Context Retrieval and Efficient KV-Caching in Long-Context Language Models

Francesco Maria Molfese, Momchil Hardalov, Rexhina Blloshmi +2

With context windows of millions of tokens, Long-Context Language Models (LCLMs) can encode entire document collections, offering a strong alternative to conventional retrieval-aug…

cs.CL2025

RAGferee: Building Contextual Reward Models for Retrieval-Augmented Generation

Andrei C. Coman, Ionut-Teodor Sorodoc, Leonardo F. R. Ribeiro +3

Existing Reward Models (RMs), typically trained on general preference data, struggle in Retrieval Augmented Generation (RAG) settings, which require judging responses for faithfuln…

cs.CL2025

GaRAGe: A Benchmark with Grounding Annotations for RAG Evaluation

Ionut-Teodor Sorodoc, Leonardo F. R. Ribeiro, Rexhina Blloshmi +2

We present GaRAGe, a large RAG benchmark with human-curated long-form answers and annotations of each grounding passage, allowing a fine-grained evaluation of whether LLMs can iden…

cs.LG2025

Learning to Reason Over Time: Timeline Self-Reflection for Improved Temporal Reasoning in Language Models

Adrián Bazaga, Rexhina Blloshmi, Bill Byrne +1

Large Language Models (LLMs) have emerged as powerful tools for generating coherent text, understanding context, and performing reasoning tasks. However, they struggle with tempora…

cs.AI2025

The Amazon Nova Family of Models: Technical Report and Model Card

Amazon AGI, Aaron Langford, Aayush Shah +783

We present Amazon Nova, a new generation of state-of-the-art foundation models that deliver frontier intelligence and industry-leading price performance. Amazon Nova Pro is a highl…