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Introductionn describes how data matching fits into the larger process of data integration, data pre-processing and link analysis, and explains the differences between data matching, schema matching and data fusion. Section 1.3 provides a brief history of data matching, starting from the earliest developments o表脸 发表于 2025-3-27 09:10:14
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Indexingtion complexity. Clearly this approach is not feasible for today’s large databases that contain many millions or even billions of records. Not only would the number of record pair comparisons be huge, the number of possible matches compared to the number of non-matches would also be very small, becaGrievance 发表于 2025-3-27 18:12:15
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Classificationcted in the comparison step, if a pair or group of records corresponds to a match or a non-match. Matching records are assumed to refer to the same real-world entity, while non-matching records are assumed to refer to different entities. A variety of classification techniques have been developed for音乐戏剧 发表于 2025-3-28 02:46:31
Evaluation of Matching Quality and Complexitye measured as how many of the matched record pairs correspond to true matches (i.e. refer to the same entity) and how many of the known true matching record pairs have been detected and classified as matches. Also of importance is the performance of a data matching system with regard to how much timBrochure 发表于 2025-3-28 09:48:40
Privacy Aspects of Data Matchingbe of great concern, especially when databases are matched across different organisations. In many countries, privacy legislation limits the use and exchange of personal information. Matching data between different organisations, for example a private hospital and a government health department, mig优雅 发表于 2025-3-28 12:51:20
Further Topics and Research Directions to integrate, share and match data from disparate sources, the basic approach of matching two static databases with well defined attributes in batch mode is becoming increasingly inadequate to solve today’s real-world data matching challenges. This chapter covers several areas that can be of intere