@inbook {shi2010modeling,
	title = {Modeling variable dependencies between characters in Chinese information retrieval},
	booktitle = {Information Retrieval Technology},
	year = {2010},
	pages = {539{\textendash}551},
	publisher = {Springer},
	organization = {Springer},
	author = {Shi, Lixin and Jian-Yun Nie}
}
