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In this paper, we give an overview of the HDF5 technology suite and some of its applications. We discuss the HDF5 data model, the HDF5 software architecture and some of its performance enhancing capabilities.
Next Generation Sequencing technologies are limited by the lack of standard bioinformatics infrastructures that can reduce data storage, increase data processing performance, and integrate diverse information. HDF technologies address these requirements and have a long history of use in data-intensive science communities. They include general data file… (More)
Fifteen years ago, The HDF Group set out to re-invent the HDF format and software suite to address two conflicting challenges. The first was to enable exceptionally scalable, extensible storage and access for every kind of scientific and engineering data. The second was to facilitate access to data stored in the HDF long into the future. This challenge… (More)
Many problems for beginning programming students relate to program comprehension, that is, the ability to conceptualize the abstraction of a given algorithm with the flow of the program code. PS was developed to aid in this conceptualization process by providing the student a means to observe program execution via simulation. Program functions built into PS… (More)
Executive Summary S ociety has been greatly impacted by the massive amounts of data that are now available for use. Immense streams of data are routinely collected across science, medicine, education, government, industry, social media, and entertainment. Yet our ability to efficiently and effectively use these " big data " sets is hampered by our… (More)
Almost without exception, when we consider uses of computers in education we think about ways in which computers can help us do a better job of teaching those subjects we have been teaching. Seymour Papert takes a completely different approach to the use of computers in education. He purposes that the availability of low-cost computing in our culture should… (More)
separate program to read the file without recourse to the HDF API. To verify this, two independent tools based solely on the map files were developed and tested.
The volume, complexity, variability and accessibility of geospatial of digital geospatial data pose formidable challenges for the National Archives. Scientific and engineering communities faces many of the same challenges in managing large, complex digital data collections. This study examines gridded and vector geospatial data through the prism of… (More)