Lawformer: A pre-trained language model for Chinese legal long documents.

Chaojun Xiao Xueyu Hu Zhiyuan Liu Cunchao Tu Maosong Sun

Published in: AI Open (2021)

Keyphrases

language model
pre trained
document retrieval
ad hoc information retrieval
information retrieval
query terms
document ranking
vector space model
language modeling
n gram

retrieval model
query expansion
probabilistic model
relevance model
document collections
query specific
speech recognition
document length
relevant documents
pseudo feedback

word clouds
training data
test collection
retrieved documents
word segmentation
multiword
training examples
information retrieval systems
smoothing methods
retrieval effectiveness

language modeling framework
pseudo relevance feedback
retrieval systems
document clustering
inter document similarities
term frequency
text documents
statistical machine translation
translation model