Award Data

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As a National information resource, the Internet makes available vast amounts of information to a broad range of consumers. For most users, however, only a tiny fraction of the aggregate information is significant, and the overall resource only has value if that fraction can be located reliably, quickly, and automatically. Today's tools are incapable of meeting users' needs - they are too slow and ...

This proposal describes the development and analysis of a prototype portable, optimized ray tracing application. We will take an existing ray tracer and modify it to take advantage of pipilined, vector, and massively parallel processing in a portable manner. We will then analyze the effects of these performance enhancements. The major purpose of this study is to determine when MPP architectures or ...

This proposal describes the development and analysis of a prototype scalable library for sparse matrix operations in a distributed memory environment. The library is to be object-oriented; hence, will be implemented in C++. It is designed to be portable, and therefore will adhere to the Message Passing Interface (MPI) standard, but will use P4 from Argonne National Laboratory for the prototype. Fi ...

Chemical vapor deposition (CVD) of copper for vias and interconnects is critical to manufacture of next generation high speed ULSI devices and has been extensively investigated over the last few years. Although considerable progress has been made commercialization of this technology is currently impossible due to the high cost of the source reagents. In this Phase I program Advanced Technology Mat ...

Not Available The development of advanced communication or electronic warfare systems requires high performance miniaturized microwave filters. Miniaturized high-Q evanescent (EV) is one of the most desirable filters due to its wide stopband and small size, especially for satellite down-converter applications where a few hundred EV filters are used. Currently, EV filters are made using very small ...

Object Oriented Programming (OOP) techniques are a vital part of modern software engineering. Unfortunately, on parallel computers where the need is greatest, OOP tools are lacking. We propose to address this problem by designing a parallel OOP language. Unlike other parallel OOP research efforts, we will approach parallel OOP from the viewpoint of the parallel programming environment - not the OO ...

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Not Available Force protection can greatly benefit image understanding technologies. In most battlefield scenarios, it is valuable to be able to assess the area of operation prior to deployment of troops. Video sensors deployed in the field provide valuable visual information that can be used to develop strategies prior to sending in troops. A major limitation of existing video sensors is fiel ...