Entity Span
Entity span identification, a crucial subtask within named entity recognition (NER), focuses on accurately locating and classifying named entities within text. Current research emphasizes improving the efficiency and accuracy of entity span detection, particularly in low-resource settings (few-shot learning) and across diverse data types (e.g., multimodal data, clinical notes, financial texts). This involves developing novel architectures, such as question-answering based models and those leveraging large language models (LLMs) and knowledge graphs, to address challenges like imbalanced datasets and the need for robust entity representations. Advances in entity span identification have significant implications for various NLP applications, including information extraction, question answering, and summarization, by enabling more precise and comprehensive understanding of textual data.