chatbot 2 machine-learning 2 efficiency 1 model-training 1 question-answer-retrieval 1 rag-systems 1 semantic-search 1 sentence-embeddings 1 transformer-models 1 word-embeddings 1 word2vec 1 cross-encoder 1 dense-retrieval 1 query-generation 1 clip 1 gpt4 1 gpt4o 1 image-encoder 1 llama3 1 llava 1 multimodal 1 phi-3-mini 1 vicuna 1 video-chatbot 1 video-conversation 1 video-encoder 1 vision-language 1 vision-language-pretraining 1 information-retrieval 1 neural-ranking 1 ranking 1 audio-retrieval 1 contrastive-learning 1 qbv 1 vocal-imitation 1 conversational-ai 1 dialogue 1 multi-domain 1 multi-modal 1 artificial-intelligence 1 convolutional-neural-networks 1 deep-learning 1 natural-language-processing 1 natural-language-understanding 1 recurrent-neural-networks 1 ai-applications 1 ai-architecture 1 bert 1 bert-embeddings 1 bert-fine-tuning 1 bert-model 1 contrastive-loss 1 embedding-models 1