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A specialized computer architecture for text retrieval

Published: 01 August 1978 Publication History

Abstract

This paper describes a specialized computer architecture for text retrieval that provides a wide range of query capabilities, without the use of indexes of the material retrieved. A distributed approach is employed, with direct search processors. Each search processor is closely associated with one or more disk drives that store the data to be searched and each consists of a comparator for matching query terms, logic elements to combine query terms, a disk controller and a control minicomputer.
The key element of the architecture is the comparator, which can store over 64.000 characters of query terms and compare all of these terms simultaneously with data arriving from a disk continuously at more than one million bytes per second. Exact match, partical match, numeric comparison and context limitation are among the capabilities provided. The comparator is implemented as three similar universal finite-state automata, with special features to facilitate text retrieval and reduce hardware costs.
A breadboard version of the system with one searcher is operational and has undergone detailed evaluation. A prototype system with two searchers is being implemented and will be placed into regularly scheduled use.

References

[1]
COLTS II: CRW On-Line Text Search User's Manual. Chase, Rosen and Wallace, Inc., Alexandria, Va., 1976.
[2]
Operator's Manual for GESCAN. General Electric Company, Apollo Systems, Space Division, Daytona Beach, Florida, 1970.
[3]
Bullen, R. H., Jr. and Millen, J. K. Microtext - The Design of a Micro programmed Finite State Search Machine for Full-Text Retrieval. AFIPS Conference Proceedings, Fall Joint Computer Conference, 1972, pp. 479-488.
[4]
Kadonaga, R. S., Associative File Processor Systems and Programmer's Manual. Operating Systems, Inc., Woodland Hills, Calif., 1978.
[5]
Gries, D. Compiler Construction for Digital Computers. Wiley, New York, 1971.
[6]
Roberts, D.C. (ed.) A Computer System for Text Retrieval: Design Concept Development. Central Intelligence Agency, Washington, D.C., 1977, Report No. RD-77-10011.

Cited By

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  • (2005)Verso: A database machine based on nested relationsNested Relations and Complex Objects in Databases10.1007/3-540-51171-7_19(27-49)Online publication date: 2-Jun-2005
  • (1993)String matching on IDP: a string matching algorithm for vector processors and its implementationProceedings of 1993 IEEE International Conference on Computer Design ICCD'9310.1109/ICCD.1993.393345(394-401)Online publication date: 1993
  • (1990)HYTREM-A Hybrid Text-Retrieval Machine for Large DatabasesIEEE Transactions on Computers10.1109/12.4628539:1(111-123)Online publication date: 1-Jan-1990
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cover image ACM Conferences
CAW '78: Proceedings of the fourth workshop on Computer architecture for non-numeric processing
August 1978
131 pages
ISBN:9781450374330
DOI:10.1145/800128
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 August 1978

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Cited By

View all
  • (2005)Verso: A database machine based on nested relationsNested Relations and Complex Objects in Databases10.1007/3-540-51171-7_19(27-49)Online publication date: 2-Jun-2005
  • (1993)String matching on IDP: a string matching algorithm for vector processors and its implementationProceedings of 1993 IEEE International Conference on Computer Design ICCD'9310.1109/ICCD.1993.393345(394-401)Online publication date: 1993
  • (1990)HYTREM-A Hybrid Text-Retrieval Machine for Large DatabasesIEEE Transactions on Computers10.1109/12.4628539:1(111-123)Online publication date: 1-Jan-1990
  • (1990)Specialized Parallel Architectures for Textual DatabasesAdvances in Computers Volume 3010.1016/S0065-2458(08)60297-1(1-37)Online publication date: 1990
  • (1988)The utah retrieval system architectureUser-Oriented Content-Based Text and Image Handling10.5555/3170668.3170698(1010-1019)Online publication date: 21-Mar-1988
  • (1986)A new string search hardware architecture for VLSIProceedings of the 13th annual international symposium on Computer architecture10.5555/17407.17359(20-27)Online publication date: 1-Jun-1986
  • (1986)A new string search hardware architecture for VLSIACM SIGARCH Computer Architecture News10.1145/17356.1735914:2(20-27)Online publication date: 1-May-1986
  • (1986) ALTEP — A cellular processor for high-speed pattern matchingNew Generation Computing10.1007/BF030374054:3(225-244)Online publication date: 1-Sep-1986
  • (1985)The design of a hardware recognizer for utilization in scanning operationsProceedings of the 1985 ACM thirteenth annual conference on Computer Science10.1145/320599.320660(112-119)Online publication date: 1-Mar-1985
  • (1985)Performance of hash files in a microcomputer based parallel file systemProceedings of the 1985 ACM annual conference on The range of computing : mid-80's perspective: mid-80's perspective10.1145/320435.320448(29-34)Online publication date: 1-Oct-1985
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