<|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: the data used in our study was acquired from the dataset of global historical sample of 30 cities in the lincoln institute of land policy's atlas of urban expansion (available at the institutes website: http://www.lincolninst.edu/subcenters/atlas-urban-expansion/, accessed january 7, 2014).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>