<|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: all relevant data can be freely accessed using the sources and urls described in the methods section of the manuscript. these sources include the american physical society (aps), the dblp computer science bibliography (dblp), pubmed, the computer science research paper search engine (cora), and arxiv. data from thompson reuter's web of science can be obtained by contacting julian herciu (julian.herciu@thomsonreuters.com).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>