<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: data used to construct the inhomogenous causal network model proposed are available within the paper. the four citation networks used for data are as follows: stanford large network dataset (cit-hepph, cit-hepth); http://arnetminer.org/citation; http://pnas.org.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>