Table 1.

Best method results for homelessness query expansion

Method	P@10	P@50	AUPRC (95% CI)
Lexical association (λ = 0.6, context size = 30)	0.80	0.48	0.83 (0.70–0.95)
word2vec (homelessness, context size = 5)	1.00	0.80	0.90 (0.84–0.96)
word2vec (homelessness, context size = 15)	1.00	0.82	0.94 (0.89–0.98)