Python Text Mining

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Text Analytics with Python

Author : Dipanjan Sarkar
Publisher : Apress
Page : 397 pages
File Size : 54,8 Mb
Release : 2016-11-30
Category : Computers
ISBN : 9781484223888

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Text Analytics with Python by Dipanjan Sarkar Pdf

Derive useful insights from your data using Python. You will learn both basic and advanced concepts, including text and language syntax, structure, and semantics. You will focus on algorithms and techniques, such as text classification, clustering, topic modeling, and text summarization. Text Analytics with Python teaches you the techniques related to natural language processing and text analytics, and you will gain the skills to know which technique is best suited to solve a particular problem. You will look at each technique and algorithm with both a bird's eye view to understand how it can be used as well as with a microscopic view to understand the mathematical concepts and to implement them to solve your own problems. What You Will Learn: Understand the major concepts and techniques of natural language processing (NLP) and text analytics, including syntax and structure Build a text classification system to categorize news articles, analyze app or game reviews using topic modeling and text summarization, and cluster popular movie synopses and analyze the sentiment of movie reviews Implement Python and popular open source libraries in NLP and text analytics, such as the natural language toolkit (nltk), gensim, scikit-learn, spaCy and Pattern Who This Book Is For : IT professionals, analysts, developers, linguistic experts, data scientists, and anyone with a keen interest in linguistics, analytics, and generating insights from textual data

Text Analytics with Python

Author : Dipanjan Sarkar
Publisher : Apress
Page : 688 pages
File Size : 46,5 Mb
Release : 2019-05-21
Category : Computers
ISBN : 9781484243541

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Text Analytics with Python by Dipanjan Sarkar Pdf

Leverage Natural Language Processing (NLP) in Python and learn how to set up your own robust environment for performing text analytics. This second edition has gone through a major revamp and introduces several significant changes and new topics based on the recent trends in NLP. You’ll see how to use the latest state-of-the-art frameworks in NLP, coupled with machine learning and deep learning models for supervised sentiment analysis powered by Python to solve actual case studies. Start by reviewing Python for NLP fundamentals on strings and text data and move on to engineering representation methods for text data, including both traditional statistical models and newer deep learning-based embedding models. Improved techniques and new methods around parsing and processing text are discussed as well. Text summarization and topic models have been overhauled so the book showcases how to build, tune, and interpret topic models in the context of an interest dataset on NIPS conference papers. Additionally, the book covers text similarity techniques with a real-world example of movie recommenders, along with sentiment analysis using supervised and unsupervised techniques. There is also a chapter dedicated to semantic analysis where you’ll see how to build your own named entity recognition (NER) system from scratch. While the overall structure of the book remains the same, the entire code base, modules, and chapters has been updated to the latest Python 3.x release. What You'll Learn • Understand NLP and text syntax, semantics and structure• Discover text cleaning and feature engineering• Review text classification and text clustering • Assess text summarization and topic models• Study deep learning for NLP Who This Book Is For IT professionals, data analysts, developers, linguistic experts, data scientists and engineers and basically anyone with a keen interest in linguistics, analytics and generating insights from textual data.

Applied Text Analysis with Python

Author : Benjamin Bengfort,Rebecca Bilbro,Tony Ojeda
Publisher : "O'Reilly Media, Inc."
Page : 332 pages
File Size : 42,5 Mb
Release : 2018-06-11
Category : Computers
ISBN : 9781491962992

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Applied Text Analysis with Python by Benjamin Bengfort,Rebecca Bilbro,Tony Ojeda Pdf

From news and speeches to informal chatter on social media, natural language is one of the richest and most underutilized sources of data. Not only does it come in a constant stream, always changing and adapting in context; it also contains information that is not conveyed by traditional data sources. The key to unlocking natural language is through the creative application of text analytics. This practical book presents a data scientist’s approach to building language-aware products with applied machine learning. You’ll learn robust, repeatable, and scalable techniques for text analysis with Python, including contextual and linguistic feature engineering, vectorization, classification, topic modeling, entity resolution, graph analysis, and visual steering. By the end of the book, you’ll be equipped with practical methods to solve any number of complex real-world problems. Preprocess and vectorize text into high-dimensional feature representations Perform document classification and topic modeling Steer the model selection process with visual diagnostics Extract key phrases, named entities, and graph structures to reason about data in text Build a dialog framework to enable chatbots and language-driven interaction Use Spark to scale processing power and neural networks to scale model complexity

Blueprints for Text Analytics Using Python

Author : Jens Albrecht,Sidharth Ramachandran,Christian Winkler
Publisher : "O'Reilly Media, Inc."
Page : 504 pages
File Size : 45,5 Mb
Release : 2020-12-04
Category : Computers
ISBN : 9781492074038

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Blueprints for Text Analytics Using Python by Jens Albrecht,Sidharth Ramachandran,Christian Winkler Pdf

Turning text into valuable information is essential for businesses looking to gain a competitive advantage. With recent improvements in natural language processing (NLP), users now have many options for solving complex challenges. But it's not always clear which NLP tools or libraries would work for a business's needs, or which techniques you should use and in what order. This practical book provides data scientists and developers with blueprints for best practice solutions to common tasks in text analytics and natural language processing. Authors Jens Albrecht, Sidharth Ramachandran, and Christian Winkler provide real-world case studies and detailed code examples in Python to help you get started quickly. Extract data from APIs and web pages Prepare textual data for statistical analysis and machine learning Use machine learning for classification, topic modeling, and summarization Explain AI models and classification results Explore and visualize semantic similarities with word embeddings Identify customer sentiment in product reviews Create a knowledge graph based on named entities and their relations

Natural Language Processing with Python

Author : Steven Bird,Ewan Klein,Edward Loper
Publisher : "O'Reilly Media, Inc."
Page : 506 pages
File Size : 44,5 Mb
Release : 2009-06-12
Category : Computers
ISBN : 9780596555719

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Natural Language Processing with Python by Steven Bird,Ewan Klein,Edward Loper Pdf

This book offers a highly accessible introduction to natural language processing, the field that supports a variety of language technologies, from predictive text and email filtering to automatic summarization and translation. With it, you'll learn how to write Python programs that work with large collections of unstructured text. You'll access richly annotated datasets using a comprehensive range of linguistic data structures, and you'll understand the main algorithms for analyzing the content and structure of written communication. Packed with examples and exercises, Natural Language Processing with Python will help you: Extract information from unstructured text, either to guess the topic or identify "named entities" Analyze linguistic structure in text, including parsing and semantic analysis Access popular linguistic databases, including WordNet and treebanks Integrate techniques drawn from fields as diverse as linguistics and artificial intelligence This book will help you gain practical skills in natural language processing using the Python programming language and the Natural Language Toolkit (NLTK) open source library. If you're interested in developing web applications, analyzing multilingual news sources, or documenting endangered languages -- or if you're simply curious to have a programmer's perspective on how human language works -- you'll find Natural Language Processing with Python both fascinating and immensely useful.

Text Processing in Python

Author : David Mertz
Publisher : Addison-Wesley Professional
Page : 544 pages
File Size : 51,5 Mb
Release : 2003
Category : Computers
ISBN : 0321112547

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Text Processing in Python by David Mertz Pdf

bull; Demonstrates how Python is the perfect language for text-processing functions. bull; Provides practical pointers and tips that emphasize efficient, flexible, and maintainable approaches to text-processing challenges. bull; Helps programmers develop solutions for dealing with the increasing amounts of data with which we are all inundated.

Text Mining with R

Author : Julia Silge,David Robinson
Publisher : "O'Reilly Media, Inc."
Page : 193 pages
File Size : 55,8 Mb
Release : 2017-06-12
Category : Computers
ISBN : 9781491981627

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Text Mining with R by Julia Silge,David Robinson Pdf

Chapter 7. Case Study : Comparing Twitter Archives; Getting the Data and Distribution of Tweets; Word Frequencies; Comparing Word Usage; Changes in Word Use; Favorites and Retweets; Summary; Chapter 8. Case Study : Mining NASA Metadata; How Data Is Organized at NASA; Wrangling and Tidying the Data; Some Initial Simple Exploration; Word Co-ocurrences and Correlations; Networks of Description and Title Words; Networks of Keywords; Calculating tf-idf for the Description Fields; What Is tf-idf for the Description Field Words?; Connecting Description Fields to Keywords; Topic Modeling.

Mastering Social Media Mining with Python

Author : Marco Bonzanini
Publisher : Packt Publishing Ltd
Page : 333 pages
File Size : 50,7 Mb
Release : 2016-07-29
Category : Computers
ISBN : 9781783552023

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Mastering Social Media Mining with Python by Marco Bonzanini Pdf

Acquire and analyze data from all corners of the social web with Python About This Book Make sense of highly unstructured social media data with the help of the insightful use cases provided in this guide Use this easy-to-follow, step-by-step guide to apply analytics to complicated and messy social data This is your one-stop solution to fetching, storing, analyzing, and visualizing social media data Who This Book Is For This book is for intermediate Python developers who want to engage with the use of public APIs to collect data from social media platforms and perform statistical analysis in order to produce useful insights from data. The book assumes a basic understanding of the Python Standard Library and provides practical examples to guide you toward the creation of your data analysis project based on social data. What You Will Learn Interact with a social media platform via their public API with Python Store social data in a convenient format for data analysis Slice and dice social data using Python tools for data science Apply text analytics techniques to understand what people are talking about on social media Apply advanced statistical and analytical techniques to produce useful insights from data Build beautiful visualizations with web technologies to explore data and present data products In Detail Your social media is filled with a wealth of hidden data – unlock it with the power of Python. Transform your understanding of your clients and customers when you use Python to solve the problems of understanding consumer behavior and turning raw data into actionable customer insights. This book will help you acquire and analyze data from leading social media sites. It will show you how to employ scientific Python tools to mine popular social websites such as Facebook, Twitter, Quora, and more. Explore the Python libraries used for social media mining, and get the tips, tricks, and insider insight you need to make the most of them. Discover how to develop data mining tools that use a social media API, and how to create your own data analysis projects using Python for clear insight from your social data. Style and approach This practical, hands-on guide will help you learn everything you need to perform data mining for social media. Throughout the book, we take an example-oriented approach to use Python for data analysis and provide useful tips and tricks that you can use in day-to-day tasks.

Learning Data Mining with Python

Author : Robert Layton
Publisher : Packt Publishing Ltd
Page : 344 pages
File Size : 41,5 Mb
Release : 2015-07-29
Category : Computers
ISBN : 9781784391201

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Learning Data Mining with Python by Robert Layton Pdf

The next step in the information age is to gain insights from the deluge of data coming our way. Data mining provides a way of finding this insight, and Python is one of the most popular languages for data mining, providing both power and flexibility in analysis. This book teaches you to design and develop data mining applications using a variety of datasets, starting with basic classification and affinity analysis. Next, we move on to more complex data types including text, images, and graphs. In every chapter, we create models that solve real-world problems. There is a rich and varied set of libraries available in Python for data mining. This book covers a large number, including the IPython Notebook, pandas, scikit-learn and NLTK. Each chapter of this book introduces you to new algorithms and techniques. By the end of the book, you will gain a large insight into using Python for data mining, with a good knowledge and understanding of the algorithms and implementations.

Python Text Mining

Author : Alexandra George
Publisher : Unknown
Page : 0 pages
File Size : 54,8 Mb
Release : 2022
Category : Computer games
ISBN : 938989879X

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Python Text Mining by Alexandra George Pdf

Python Text Mining' includes a number of application cases, demonstrations, and approaches that will help you deepen your understanding of feature extraction from data sets. --

Text Analysis with Python: A Research Oriented Guide

Author : Mamta Mittal,Gopi Battineni,Bhimavarapu Usharani,Lalit Mohan Goyal
Publisher : Bentham Science Publishers
Page : 268 pages
File Size : 41,8 Mb
Release : 2022-08-12
Category : Computers
ISBN : 9789815049619

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Text Analysis with Python: A Research Oriented Guide by Mamta Mittal,Gopi Battineni,Bhimavarapu Usharani,Lalit Mohan Goyal Pdf

Text Analysis with Python: A Research-Oriented Guide is a quick and comprehensive reference on text mining using python code. The main objective of the book is to equip the reader with the knowledge to apply various machine learning and deep learning techniques to text data. The book is organized into eight chapters which present the topic in a structured and progressive way. Key Features · Introduces the reader to Python programming and data processing · Introduces the reader to the preliminaries of natural language processing (NLP) · Covers data analysis and visualization using predefined python libraries and datasets · Teaches how to write text mining programs in Python · Includes text classification and clustering techniques · Informs the reader about different types of neural networks for text analysis · Includes advanced analytical techniques such as fuzzy logic and deep learning techniques · Explains concepts in a simplified and structured way that is ideal for learners · Includes References for further reading Text Analysis with Python: A Research-Oriented Guide is an ideal guide for students in data science and computer science courses, and for researchers and analysts who want to work on artificial intelligence projects that require the application of text mining and NLP techniques.

Text Mining and Visualization

Author : Markus Hofmann,Andrew Chisholm
Publisher : CRC Press
Page : 337 pages
File Size : 55,6 Mb
Release : 2016-01-05
Category : Business & Economics
ISBN : 9781482237580

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Text Mining and Visualization by Markus Hofmann,Andrew Chisholm Pdf

Text Mining and Visualization: Case Studies Using Open-Source Tools provides an introduction to text mining using some of the most popular and powerful open-source tools: KNIME, RapidMiner, Weka, R, and Python. The contributors-all highly experienced with text mining and open-source software-explain how text data are gathered and processed from a w

Concepts of Text Mining

Author : GÖKHAN SİLAHTAROĞLU
Publisher : Unknown
Page : 128 pages
File Size : 53,8 Mb
Release : 2019-09-07
Category : Electronic
ISBN : 1691590630

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Concepts of Text Mining by GÖKHAN SİLAHTAROĞLU Pdf

This book presents the concepts, implementation of text mining with real life examples implemented using Python libraries.You will find ideas how to use texts for extracting valuable and applicable information. The book is designed for academicians, students, researchers and those who are working as data scientist in sector.The book not only defines but also gives Python examples of Information Retrieval, Information Extraction, Concept Extraction, Classification, Clustering, Sentiment Analysis, Topic Extraction, Text Summarization, Web Mining. In the book you will also find a practical example how to use Genetic Algorithms, Naive Bayes and Artificial Neural Networks for text mining.Table of ContentsForewordAbout the AuthorAcknowledgementsCHAPTER I Concepts of Text Mining1)HISTORY of TEXT MINING2)DEFINITION of TEXT MINING3)COMPONENTS of TEXT MINING4. PRACTICAL APPLICATIONS of TEXT MININGCHAPTER II Text Mining Algorithms and Examples1)INFORMATION RETRIEVAL(i) Similarity:(ii) Vectorization:(iii) Calculating Term Weighting and Frequency(iv) Measuring the quality of IR2)INFORMATION EXTRACTION(i) Lexical Analysis(ii) Tokenization(iii) Filtering: Stop-words(iv) Lemmatization(v) Bag of Words(vi) N-Gram(vii) Tagging/Annotation, XML3)BASIC TASKS FOR TEXT MINING(i)Text Categorization(ii)Data Mining Techniques: Link And Association Analysis, Visualization, And Predictive Analytics(iii)Pattern Recognition(iv)Text Clustering And Word Clouding(v)Natural Language Processing (NLP) (vi) Sentiment Analysis4)AUTOMATIC DOCUMENT SUMMARIZATION(i)Extraction-based summarization(ii) Abstraction-based summarization(iii) Aided SummarizationCHAPTER III Text Mining With Python1) STARTING A TEXT MINIG IMPLEMENTATION2) PYTHON ENVIRONMENT3) Examples with Python

Hands-On Python Natural Language Processing

Author : Aman Kedia,Mayank Rasu
Publisher : Packt Publishing Ltd
Page : 304 pages
File Size : 53,5 Mb
Release : 2020-06-26
Category : Computers
ISBN : 9781838982584

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Hands-On Python Natural Language Processing by Aman Kedia,Mayank Rasu Pdf

Get well-versed with traditional as well as modern natural language processing concepts and techniques Key FeaturesPerform various NLP tasks to build linguistic applications using Python librariesUnderstand, analyze, and generate text to provide accurate resultsInterpret human language using various NLP concepts, methodologies, and toolsBook Description Natural Language Processing (NLP) is the subfield in computational linguistics that enables computers to understand, process, and analyze text. This book caters to the unmet demand for hands-on training of NLP concepts and provides exposure to real-world applications along with a solid theoretical grounding. This book starts by introducing you to the field of NLP and its applications, along with the modern Python libraries that you'll use to build your NLP-powered apps. With the help of practical examples, you’ll learn how to build reasonably sophisticated NLP applications, and cover various methodologies and challenges in deploying NLP applications in the real world. You'll cover key NLP tasks such as text classification, semantic embedding, sentiment analysis, machine translation, and developing a chatbot using machine learning and deep learning techniques. The book will also help you discover how machine learning techniques play a vital role in making your linguistic apps smart. Every chapter is accompanied by examples of real-world applications to help you build impressive NLP applications of your own. By the end of this NLP book, you’ll be able to work with language data, use machine learning to identify patterns in text, and get acquainted with the advancements in NLP. What you will learnUnderstand how NLP powers modern applicationsExplore key NLP techniques to build your natural language vocabularyTransform text data into mathematical data structures and learn how to improve text mining modelsDiscover how various neural network architectures work with natural language dataGet the hang of building sophisticated text processing models using machine learning and deep learningCheck out state-of-the-art architectures that have revolutionized research in the NLP domainWho this book is for This NLP Python book is for anyone looking to learn NLP’s theoretical and practical aspects alike. It starts with the basics and gradually covers advanced concepts to make it easy to follow for readers with varying levels of NLP proficiency. This comprehensive guide will help you develop a thorough understanding of the NLP methodologies for building linguistic applications; however, working knowledge of Python programming language and high school level mathematics is expected.

Python Text Mining

Author : Alexandra George
Publisher : BPB Publications
Page : 342 pages
File Size : 47,5 Mb
Release : 2022-03-26
Category : Antiques & Collectibles
ISBN : 9789389898781

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Python Text Mining by Alexandra George Pdf

Make use of the most advanced machine learning techniques to perform NLP and feature extraction KEY FEATURES ● Learn about pre-trained models, deep learning, and transfer learning for NLP applications. ● All-in-one knowledge guide for feature engineering, NLP models, and pre-processing techniques. ● Includes use cases, enterprise deployments, and a range of Python based demonstrations. DESCRIPTION Natural Language Processing (NLP) has proven to be useful in a wide range of applications. Because of this, extracting information from text data sets requires attention to methods, techniques, and approaches. 'Python Text Mining' includes a number of application cases, demonstrations, and approaches that will help you deepen your understanding of feature extraction from data sets. You will get an understanding of good information retrieval, a critical step in accomplishing many machine learning tasks. We will learn to classify text into discrete segments solely on the basis of model properties, not on the basis of user-supplied criteria. The book will walk you through many methodologies, such as classification, that will enable you to rapidly construct recommendation engines, subject segmentation, and sentiment analysis applications. Toward the end, we will also look at machine translation and transfer learning. By the end of this book, you'll know exactly how to gather web-based text, process it, and then apply it to the development of NLP applications. WHAT YOU WILL LEARN ● Practice how to process raw data and transform it into a usable format. ● Best techniques to convert text to vectors and then transform into word embeddings. ● Unleash ML and DL techniques to perform sentiment analysis. ● Build modern recommendation engines using classification techniques. WHO THIS BOOK IS FOR This book is a good place to start with examples, explanations, and exercises for anyone interested in learning more about advanced text mining and natural language processing techniques. It is suggested but not required that you have some prior programming experience. TABLE OF CONTENTS 1. Basic Text Processing Techniques 2. Text to Numbers 3. Word Embeddings 4. Topic Modeling 5. Unsupervised Sentiment Classification 6. Text Classification Using ML 7. Text Classification Using Deep learning 8. Recommendation engine 9. Transfer Learning