A Graphical Data Flow Language for Retrieval, Analysis, and Visualization of a Scientific Database
نویسندگان
چکیده
We describe the design, functionality, and implementation of a data ow query language (DFQL), that graphically represents a query as a directed acyclic data ow graph. The language is well suited for application domains such as scientiic databases, where data analysis and visualization need to be tightly coupled with data retrieval, and the relationships between the entities are ill-deened. Being a functional language, unlike most visual query languages that are declarative, DFQL provides the ability to combine data retrieval, analysis, and visualization, intuitively in a single query. We have implemented this language in a system being used in a long term data-intensive pavement research project.
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عنوان ژورنال:
- J. Vis. Lang. Comput.
دوره 7 شماره
صفحات -
تاریخ انتشار 1996