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Interrogation index file comparison 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-017/30
출원번호 US-0538377 (1995-10-03)
발명자 / 주소
  • Kelley Edward E. (Wappingers Falls NY) Paleveda John F. (Pleasant Valley NY)
출원인 / 주소
  • International Business Machines Corporation (Armonk NY 02)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

A method of comparing files takes three passes through data tables in memory to generate tables containing pointers to matches and mismatches by employing a method of keyword-index translation in which a keyword is taken from a first data table in a first pass and used as the index in loading an ind

대표청구항

A method of comparing in a data processing system a first file of data and a second file of data in only one pass through each of said first and second files, each of said first and second files comprising a set of records, each record including a key, comprising the steps of: initializing and loadi

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  6. Walker,Jay S.; Van Luchene,Andrew S.; Tedesco,Daniel E.; Mik,Magdalena; Jorasch,James A., Method and apparatus for defining routing of customers between merchants.
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  8. Walker,Jay S.; Van Luchene,Andrew S.; Mik,Magdalena; Alderucci,Dean P., Method and apparatus for determining a progressive discount for a customer based on the frequency of the customer's transactions.
  9. Tedesco, Daniel E.; Jorasch, James A.; Lech, Robert R., Method and apparatus for dynamically managing vending machine inventory prices.
  10. Tedesco, Daniel E.; Jorasch, James A.; Lech, Robert R., Method and apparatus for dynamically managing vending machine inventory prices.
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  12. Walker, Jay S.; Van Luchene, Andrew S.; Rogers, Joshua D., Method and apparatus for maintaining a customer database using license plate scanning.
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  14. Walker,Jay S.; Van Luchene,Andrew S.; Fincham,Magdalena M., Method and apparatus for product display.
  15. Walker, Jay S.; Tedesco, Daniel E.; Jorasch, James A.; Lech, Robert R.; Alderucci, Dean P., Method and apparatus for vending a combination of products.
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  23. Walker, Jay. S; Tedesco, Daniel E.; Mik, Magdalena, Pre-sale data broadcast system and method.
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