This document discusses the definition of the Parameter Description Language (PDL). In this language parameters are described in a rigorous data model. With no loss of generality, we will represent this data model using XML. It intends to be a expressive language for self-descriptive web services exposing the semantic nature of input and output parameters, as well as all necessary complex constraints. PDL is a step forward towards true web services interoperability.
Cite
@article{arxiv.1509.08303,
title = {IVOA recommendation: Parameter Description Language Version 1.0},
author = {Carlo Maria Zwolf and Paul Harrison and Julian Garrido and Jose Enrique Ruiz and Franck Le Petit},
journal= {arXiv preprint arXiv:1509.08303},
year = {2019}
}