Loops On Retrieval Augmented Generation (LoRAG)
Ayush Thakur, Rashmi Vashisth
TL;DR
LoRAG introduces an iterative loop framework for retrieval-augmented text generation to improve coherence and relevance. It combines a generative model, a retrieval mechanism, and a dynamic loop module, formalized via a loop equation and a reinforcement learning objective. Empirical evaluation on the OpenOrca dataset shows LoRAG surpassing state-of-the-art baselines on BLEU, ROUGE, and perplexity, with qualitative results highlighting richer contextual coherence. The work underscores the promise of iterative loops to mitigate common generation challenges and points to future directions in attention and scalability.
Abstract
This paper presents Loops On Retrieval Augmented Generation (LoRAG), a new framework designed to enhance the quality of retrieval-augmented text generation through the incorporation of an iterative loop mechanism. The architecture integrates a generative model, a retrieval mechanism, and a dynamic loop module, allowing for iterative refinement of the generated text through interactions with relevant information retrieved from the input context. Experimental evaluations on benchmark datasets demonstrate that LoRAG surpasses existing state-of-the-art models in terms of BLEU score, ROUGE score, and perplexity, showcasing its effectiveness in achieving both coherence and relevance in generated text. The qualitative assessment further illustrates LoRAG's capability to produce contextually rich and coherent outputs. This research contributes valuable insights into the potential of iterative loops in mitigating challenges in text generation, positioning LoRAG as a promising advancement in the field.
