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Scalability of a distributed neural information retrieval system

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3 Author(s)
M. Weeks ; Dept. of Comput. Sci., York Univ., UK ; V. J. Hodge ; J. Austin

Summary form only given. AURA (Advanced Uncertain Reasoning Architecture) is a generic family of techniques and implementations intended for high-speed approximate search and match operations on large unstructured datasets. AURA technology is fast, economical, and offers unique advantages for finding near-matches not available with other methods. AURA is based upon a high-performance binary neural network called a correlation matrix memory (CMM). Typically, several CMM elements are used in combination to solve soft or fuzzy pattern-matching problems. AURA takes large volumes of data and constructs a special type of compressed index. AURA finds exact and near-matches between indexed records and a given query, where the query itself may have omissions and errors. The degree of nearness required during matching can be varied through thresholding techniques. The PCI-based PRESENCE (Parallel Structured Neural Computing Engine) card is a hardware-accelerator architecture for the core CMM computations needed in AURA-based applications. The card is designed for use in low-cost workstations and incorporates 128 MByte of low-cost DRAM for CMM storage. To investigate the scalability of the distributed AURA system, we implement a word-to-document index of an AURA-based information retrieval system, called MinerTaur, over a distributed PRESENCE CMM.

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High Performance Distributed Computing, 2002. HPDC-11 2002. Proceedings. 11th IEEE International Symposium on

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