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基于FPGA的信息检索技术实现研究
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2009-06-16
王涛
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本文首先讨论了基于关键词的信息检索的基本原理，然后介绍了一种基于FPGA的硬件哈
希算法来加速信息检索过程中的关键词计数工作，最后比较了硬件实现和软件实现完成关键词计数工作所需的时间，结果表明在检索速度方面FPGA技术优于软件实现。
关键词：现场可编程门阵列；信息检索；哈希
Abstract：This paper firstly discusses the basic principle of the keywords based information retrieval, and then introduces a hardware hashing algorithm based on FPGA (Field Programmable Gate Arrays) to accelerate the keywords counting operation in an information retrieval process. Finally it presents the comparison of the time cost to complete the keywords counting operation by the means of hardware and software implementation. The result shows that FPGA performs better than the software implementation at the aspect of retrieval speed.
Key words：FPGA；information retrieval；Hashing
希算法来加速信息检索过程中的关键词计数工作，最后比较了硬件实现和软件实现完成关键词计数工作所需的时间，结果表明在检索速度方面FPGA技术优于软件实现。
关键词：现场可编程门阵列；信息检索；哈希
Abstract：This paper firstly discusses the basic principle of the keywords based information retrieval, and then introduces a hardware hashing algorithm based on FPGA (Field Programmable Gate Arrays) to accelerate the keywords counting operation in an information retrieval process. Finally it presents the comparison of the time cost to complete the keywords counting operation by the means of hardware and software implementation. The result shows that FPGA performs better than the software implementation at the aspect of retrieval speed.
Key words：FPGA；information retrieval；Hashing
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