attribute-extraction chinese deep-learning deepke document-level few-shot information-extraction instructie kg knowledge-graph knowprompt lightner low-resource multi-modal named-entity-recognition ner nlp prompt pytorch relation-extraction

benchmark chinese data-augmentation data-augumentation dataset efficient emnlp few-shot information-extraction kg knowledge-graph knowprompt long-tail low-resource lrebench prompt re relation-extraction self-training