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- W2189274313 abstract "Abstract Blocking, that is, the creation of logicalrecord blocks within the files to be linked, isone of the steps that have to be taken in theprocess of probabilistically linking largedatabases. This paper is aimed at comparingdifferent blocking strategies and studying theeffectiveness of a standardizing algorithmthat we have developed, which uses the samespelling for similarly sounding first syllablesof names. We linked a mortality databasewith information on 59,065 death reportswith a hospital death report database with531 records, which had correspondingentries in the larger database. Differentblocking strategies were compared withregards to processing cost and the proportionof lost true matches. The multiple stepsblocking strategy was more effective, allowingthe identification of all the true matches, atthe same time producing a total number ofpairs which was smaller than the oneobtained with the use of two different single-step strategies. Among the single-stepstrategies, the best result was achieved withthe utilization of a key produced by acombination of the soundex codes of the firstname and sex. The utilization of the algorithmthat standardizes the spelling of similarlysounding first syllables of names producedno remarkable effects, both in terms of costand reduction of the loss of true matches.Keywords: Keywords: Database. Probabilistic recordlinkage. Blocking. Epidemiology." @default.
- W2189274313 created "2016-06-24" @default.
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- W2189274313 date "2002-01-01" @default.
- W2189274313 modified "2023-09-27" @default.
- W2189274313 title "Avaliação de diferentes estratégias de blocagem no relacionamento probabilístico de" @default.
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- W2189274313 hasPublicationYear "2002" @default.
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