textual entity requirements textual entity A textual entity that expresses the requirements necessary to use a resource, e.g. software. From Qi et al. BMC Bioinformatics. 2014; 15: 11. (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897912/): • Operating systems: Platform independent • Programming language: Matlab, R, Python • Other requirements: None • License: GNU GPL v3 • Any restrictions to use by non-academics: None PERSON: Bill Baumgartner requirements textual entity