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Titlebook: Data Cleaning; Venkatesh Ganti,Anish Das Sarma Book 2013 Springer Nature Switzerland AG 2013

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發(fā)表于 2025-3-21 18:41:43 | 只看該作者 |倒序瀏覽 |閱讀模式
書目名稱Data Cleaning
編輯Venkatesh Ganti,Anish Das Sarma
視頻videohttp://file.papertrans.cn/263/262749/262749.mp4
叢書名稱Synthesis Lectures on Data Management
圖書封面Titlebook: Data Cleaning;  Venkatesh Ganti,Anish Das Sarma Book 2013 Springer Nature Switzerland AG 2013
描述Data warehouses consolidate various activities of a business and often form the backbone for generating reports that support important business decisions. Errors in data tend to creep in for a variety of reasons. Some of these reasons include errors during input data collection and errors while merging data collected independently across different databases. These errors in data warehouses often result in erroneous upstream reports, and could impact business decisions negatively. Therefore, one of the critical challenges while maintaining large data warehouses is that of ensuring the quality of data in the data warehouse remains high. The process of maintaining high data quality is commonly referred to as data cleaning. In this book, we first discuss the goals of data cleaning. Often, the goals of data cleaning are not well defined and could mean different solutions in different scenarios. Toward clarifying these goals, we abstract out a common set of data cleaning tasks that often need to be addressed. This abstraction allows us to develop solutions for these common data cleaning tasks. We then discuss a few popular approaches for developing such solutions. In particular, we focus
出版日期Book 2013
版次1
doihttps://doi.org/10.1007/978-3-031-01897-8
isbn_softcover978-3-031-00769-9
isbn_ebook978-3-031-01897-8Series ISSN 2153-5418 Series E-ISSN 2153-5426
issn_series 2153-5418
copyrightSpringer Nature Switzerland AG 2013
The information of publication is updating

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Olaf Pollmann,Szilárd PodruzsikIn this chapter, we discuss the support that needs to be provided by a generic data cleaning platform for the task of .. As motivated in Chapter 1, the goal of deduplication is to combine records that represent the same real-world entity.
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Similarity Functions,A common requirement in several critical data cleaning operations is to measure the closeness between pairs of records. . (or, .) between atomic values constituting a record form the backbone of measuring closeness between records.
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Task: Deduplication,In this chapter, we discuss the support that needs to be provided by a generic data cleaning platform for the task of .. As motivated in Chapter 1, the goal of deduplication is to combine records that represent the same real-world entity.
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Climate Change, Agriculture and Societyso have become the defacto standard for supporting data analysis tasks generating reports indicating the health of the business operations. These reports are often critical to track performance as well as to make informed decisions on several issues confronting a business. The reporting functionalit
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Climate Change, Agriculture and Society and deployment of effective solutions for data cleaning. These approaches differ primarily in the flexibility and the effort required from the developer implementing the data cleaning solution. The more flexible approaches often require the developer to implement significant parts of the solution,
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https://doi.org/10.1007/978-3-319-40590-2es. However, one of the crucial predicates often is to measure closeness in terms of textual context between records. This similarity is often quantified by a textual similarity function which compares the content of the two records. There are a variety of common similarity functions as discussed in
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