sentences:  The workflow management system may also include an extensible interface so that external software applications can be integrated and provide support for wide area workflows that provide faster response times and improved productivity.The concept of workflow is closely related to several fields in operations research and other areas that study the nature of work, either quantitatively or qualitatively, such as artificial intelligence (in particular, the sub-discipline of AI planning) and ethnography.The term "workflow" is more commonly used in particular industries, such as in printing or professional domains such as clinical laboratories, where it may have particular specialized meanings.