Ronay Ak

1. NV-Retriever: Improving text embedding models with effective hard-negative mining
   2024/07/22 by Gabriel de Souza Pereira Moreira, Moreira, Gabriel de Souza P., Radek Osmulski +9 · 40 citations
   Computer Science · #Advanced Graph Neural Networks #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Information Retrieval (cs.IR) #Text and Document Classification Technologies #Topic Modeling
2. Detection and Segmentation of Manufacturing Defects with Convolutional\n Neural Networks and Transfer Learning
   2018/08/07 by Max Ferguson, Ronay Ak, Ferguson, Max +5 · 3 citations
   Engineering · #Advanced X-ray and CT Imaging #Computer Vision and Pattern Recognition (cs.CV) #FOS: Computer and information sciences #Industrial Vision Systems and Defect Detection #Welding Techniques and Residual Stresses
3. Enhancing Q&A Text Retrieval with Ranking Models: Benchmarking, fine-tuning and deploying Rerankers for RAG
   2024/09/12 by Gabriel de Souza Pereira Moreira, Moreira, Gabriel de Souza P., Ronay Ak +9 · 10 citations
   Computer Science · #Computation and Language (cs.CL) #Expert finding and Q&A systems #FOS: Computer and information sciences #Information Retrieval (cs.IR) #Information Retrieval and Search Behavior #Machine Learning (cs.LG)
4. Llama Nemoretriever Colembed: Top-Performing Text-Image Retrieval Model
   2025/07/07 by Mengyao Xu, Gabriel Moreira, Xu, Mengyao +13 · 9 citations
   Computer Science · #Multimodal Machine Learning Applications #Image Retrieval and Classification Techniques #Advanced Image and Video Retrieval Techniques
5. MIRACL-VISION: A Large, multilingual, visual document retrieval benchmark
   2025/05/16 by Radek Osmulski, Gabriel de Souza Pereira Moreira, Osmulski, Radek +9 · 4 citations
   Computer Science · #Multimodal Machine Learning Applications #Image Retrieval and Classification Techniques #Advanced Image and Video Retrieval Techniques
6. Transformers with multi-modal features and post-fusion context for e-commerce session-based recommendation
   2021/07/11 by Gabriel de Souza Pereira Moreira, Moreira, Gabriel de Souza P., Sara Rabhi +7 · 1 citation
   Computer Science · #Recommender Systems and Techniques #Topic Modeling #Sentiment Analysis and Opinion Mining
7. Omni-Embed-Nemotron: A Unified Multimodal Retrieval Model for Text, Image, Audio, and Video
   2025/10/03 by Mengyao Xu, Wenfei Zhou, Xu, Mengyao +15 · 1 citation
   Computer Science · #Advanced Image and Video Retrieval Techniques #Computation and Language (cs.CL) #FOS: Computer and information sciences #Multimodal Machine Learning Applications #Video Analysis and Summarization