Get Free Ebook Text Mining: Predictive Methods for Analyzing Unstructured Information, by Sholom M. Weiss, Nitin Indurkhya, Tong Zhang, Fred Damerau
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Text Mining: Predictive Methods for Analyzing Unstructured Information, by Sholom M. Weiss, Nitin Indurkhya, Tong Zhang, Fred Damerau
Get Free Ebook Text Mining: Predictive Methods for Analyzing Unstructured Information, by Sholom M. Weiss, Nitin Indurkhya, Tong Zhang, Fred Damerau
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Data mining is a mature technology. The prediction problem, looking for predictive patterns in data, has been widely studied. Strong me- ods are available to the practitioner. These methods process structured numerical information, where uniform measurements are taken over a sample of data. Text is often described as unstructured information. So, it would seem, text and numerical data are different, requiring different methods. Or are they? In our view, a prediction problem can be solved by the same methods, whether the data are structured - merical measurements or unstructured text. Text and documents can be transformed into measured values, such as the presence or absence of words, and the same methods that have proven successful for pred- tive data mining can be applied to text. Yet, there are key differences. Evaluation techniques must be adapted to the chronological order of publication and to alternative measures of error. Because the data are documents, more specialized analytical methods may be preferred for text. Moreover, the methods must be modi?ed to accommodate very high dimensions: tens of thousands of words and documents. Still, the central themes are similar.
- Sales Rank: #3297782 in Books
- Published on: 2009-12-28
- Original language: English
- Number of items: 1
- Dimensions: 9.00" h x .57" w x 6.00" l, .79 pounds
- Binding: Paperback
- 237 pages
From the Back Cover
One consequence of the pervasive use of computers is that most documents originate in digital form. Text mining―the process of searching, retrieving, and analyzing unstructured, natural-language text―is concerned with how to exploit the textual data embedded in these documents.
Text Mining presents a comprehensive introduction and overview of the field, integrating related topics (such as artificial intelligence and knowledge discovery and data mining) and providing practical advice on how readers can use text-mining methods to analyze their own data. Emphasizing predictive methods, the book unifies all key areas in text mining: preprocessing, text categorization, information search and retrieval, clustering of documents, and information extraction. In addition, it identifies emerging directions for those looking to do research in the area. Some background in data mining is beneficial, but not essential.
Topics and features:
* Presents a comprehensive and easy-to-read introduction to text mining
* Explores the application and utility of the methods, as well as the optimal techniques for specific scenarios
* Provides several descriptive case studies that take readers from problem description to system deployment in the real world
* Uses methods that rely on basic statistical techniques, thus allowing for relevance to all languages (not just English)
* Includes access to downloadable software (runs on any computer), as well as useful chapter-ending historical and bibliographical remarks, a detailed bibliography, and subject and author indexes
This authoritative and highly accessible text, written by a team of authorities on text mining, develops the foundation concepts, principles, and methods needed to expand beyond structured, numeric data to automated mining of text samples. Researchers, computer scientists, and advanced undergraduates and graduates with work and interests in data mining, machine learning, databases, and computational linguistics will find the work an essential resource.
Most helpful customer reviews
0 of 0 people found the following review helpful.
This writing in this book is very often amazingly obtuse ...
By dfc37
This writing in this book is very often amazingly obtuse, just as you'd expect from a Springer publication. In addition, some of the content is estranged from how things are done with the libraries I am aware of; for example, neither R's tm nor Python's NLTK nor any other widely available text mining software I know of induce decision rules from text as described in this volume. On the other hand it is (perhaps mercifully) short and can at least give the reader a high-level impression of how things go in this field.
21 of 28 people found the following review helpful.
it is 200 pages thick
By Zhefu Zhang
The authors (4 guys) tried to cover all IR big words as much as they can, and ended up with the 221 pages book. Let's take one example, inverted index takes 1.5 pages: It says inverted index is a table with the key-pair. The key is all the keywords scanned from the source, and the value is the document and word position (key in that document), period. IMHO, it is apparent facts that inverted index is like this way. But in practical world algorithm, it is much more complicated than a table, for example, how to incremental fill the index, how to sync between multiple backup copy, how to blabla. And even THAT google paper is more useful than it on this area. People may argue it is a comprehensive introduction book, well, then try Gerald's classic book. The whole impression is like I am reading a C++ programming book which spends 10 pages talking K&R's from Bell, how long they had been there, etc ...
I spent about 1 hr scanning the whole book without much left on my brain . Considering the price 69 bucks, I have to give it 0 on performance/price.
13 of 17 people found the following review helpful.
An excellent introduction
By Kindle Customer
I found the book informative and timely. The book describes the algorithms with psuedocode, and this made it possible for me to apply the algorithms to a legacy structure using another language within a few days of finishing the book.
The book's software (available from their website) requires XML formatted documents for input.
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