Titlebook: An Introduction to Duplicate Detection; Felix Naumann,Melanie Herschel Book 2010 Springer Nature Switzerland AG 2010

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CRANK

冰雹

Book 2010 duplicates, are one of the most intriguing data quality problems. The effects of such duplicates are detrimental; for instance, bank customers can obtain duplicate identities, inventory levels are monitored incorrectly, catalogs are mailed multiple times to the same household, etc. Automatically de

Insensate

原來(lái)

Das extrapyramidal-motorische System,e real-world object in the data. For instance, an individual might be represented multiple times in a customer database, a single product might be listed many times in an online catalog, and data about a single type protein might be stored in many different scientific databases.

Aspirin

Orthodontics

Problem Definition,ection in data stored in a single relation, a focus we maintain throughout this lecture. We then discuss the complexity of the problem in Section 2.2. Finally, in Section 2.3, we highlight issues and opportunities that exist when data exhibit more complex relationships than a single relation.

LURE

TOM

Longitude

Evaluating Detection Success,nd. Difficulties that prevent a benchmark data set are privacy and confidentiality concerns regarding the data. In this section, we first describe standard measures for success, in particular precision and recall. We then proceed to discuss existing data sets and data generators.