The invention relates to the technical field of
natural language processing, and provides a large
language model event extraction method fusing
label reconstruction and a multi-dimensional
instruction set, which comprises the following steps of: 1, reconstructing a
label; 2, constructing a multi-dimensional
instruction set; constructing two different multi-dimensional instruction sets for the multi-dimensional instruction
library by adopting a multi-dimensional layered alternate
combination strategy through a second-level instruction architecture and a third-level instruction architecture; 3, fine adjustment of the model; taking the reconstructed document-level event text and the event
record sequences in two different formats as input and output of
fine tuning respectively, and performing
fine tuning on an LLaMA-3. 2-1B model by using a multi-dimensional
instruction set and adopting a LoRA technology; 4, event extraction; and extracting events by using a
large model for fusing
label reconstruction and multi-dimensional instruction set
fine tuning. According to the method, the
data labeling cost is reduced through label reconstruction, the semantic analysis capability of a large
language model on financial field events is enhanced by utilizing a multi-dimensional hierarchical instruction set, and the financial field event extraction performance is improved.