Data Exploration Using Example-Based Methods


Data Exploration Using Example-Based Methods
By 作者:Matteo Lissandrini (Author), Davide Mottin (Author), Themis Palpanas (Author)
pages 页数: 166 pages
ISBN-10 : 1681734575
ISBN-13 : 9781681734576
Dimensions : 7.52 x 0.44 x 9.25 inches
Publisher Finelybook 出版社 : Morgan & Claypool Publisher Finelybook 出版社s (November 27, 2018)
Language 语言: : English
The Book Description robot was collected from Amazon and arranged by Finelybook
Data usually comes in a plethora of formats and dimensions, rendering the information extraction and exploration processes challenging. Thus, being able to perform exploratory analyses of the data with the intent of having an immediate glimpse of some of the data properties is becoming crucial. Exploratory analyses should be simple enough to avoid complicated declarative languages (such as SQL) and mechanisms, while at the same time retaining the flexibility and expressiveness of such languages. Recently, we have witnessed a rediscovery of the so-called example-based methods, in which the user, or analyst, circumvents query languages By 作者:using examples as input. An example is a representative of the intended results or, in other words, an item from the result set. Example-based methods exploit inherent characteristics of the data to infer the results that the user has in mind but may not be able to (easily) express. They can be useful in cases where a user is looking for information in an unfamiliar dataset, when they are performing a particularly challenging task like finding duplicate items, or when they are simply exploring the data. In this book, we present an excursus over the main methods for exploratory analysis, with a particular focus on example-based methods. We show how different data types require different techniques and present algorithms that are specifically designed for relational, textual, and graph data. The book also presents the challenges and new frontiers of machine learning in online settings that have recently attracted the attention of the database community. The book concludes with a vision for further research and applications in this area.


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