A Dynamic Graph Model For Representing Streaming Text Documents
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A Dynamic Graph Model For Representing Streaming Text Documents
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Author : Elizabeth Leeds Hohman
language : en
Publisher:
Release Date : 2008
A Dynamic Graph Model For Representing Streaming Text Documents written by Elizabeth Leeds Hohman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Data mining categories.
This work presents new techniques for representing an evolving stream of text documents. Text processing is traditionally performed on a fixed corpus of documents by representing the documents as vectors in a high-dimensional space with each dimension corresponding to a different word in the lexicon. The lexicon is formed by the set of unique words in the corpus. The vector entries are equal to the counts of the word in the document and often weighted by the inverse of the probability of the corresponding word occurring in a document. The probability of word occurrence, also called the document frequency, is needed in order to create document vectors which emphasize the informative words in each document. In order to apply statistical text processing techniques to a changing corpus of documents, a generalization of the vector space model is introduced. The generalization relies on managing a changing lexicon of words and approximating the probability of word occurrence over documents in the document stream. The methods presented here can be used to represent any new document as a vector, including documents that contain words that have not been seen previously in the document stream. Additionally, this work presents a graph model for representing a dynamic corpus of text documents. The graph model differs from other methods for text clustering which act on a fixed corpus of documents. The vertices in the graph represent topics and evolve as the document stream changes. The vertices contain statistics on documents of a similar topic. Each vertex has an associated lexicon and document frequency which can be used to provide information about the document stream. The graph model is demonstrated on a dataset of news articles collected over several years.
Introduction To Text Visualization
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Author : Nan Cao
language : en
Publisher: Springer
Release Date : 2016-10-22
Introduction To Text Visualization written by Nan Cao and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-22 with Computers categories.
This book provides a systematic review of many advanced techniques to support the analysis of large collections of documents, ranging from the elementary to the profound, covering all the aspects of the visualization of text documents. Particularly, we start by introducing the fundamental concept of information visualization and visual analysis, followed by a brief survey of the field of text visualization and commonly used data models for converting document into a structured form for visualization. Then we introduce the key visualization techniques including visualizing document similarity, content, sentiments, as well as text corpus exploration system in details with concrete examples in the rest of the book.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Advances In Neural Networks Isnn 2012
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Author : Jun Wang
language : en
Publisher: Springer
Release Date : 2012-07-23
Advances In Neural Networks Isnn 2012 written by Jun Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-23 with Computers categories.
The two-volume set LNCS 7367 and 7368 constitutes the refereed proceedings of the 9th International Symposium on Neural Networks, ISNN 2012, held in Shenyang, China, in July 2012. The 147 revised full papers presented were carefully reviewed and selected from numerous submissions. The contributions are structured in topical sections on mathematical modeling; neurodynamics; cognitive neuroscience; learning algorithms; optimization; pattern recognition; vision; image processing; information processing; neurocontrol; and novel applications.
2021 Ieee International Conference On Data Mining Icdm
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Author : IEEE Staff
language : en
Publisher:
Release Date : 2021-12-07
2021 Ieee International Conference On Data Mining Icdm written by IEEE Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-07 with categories.
The conference covers all aspects of data mining, including algorithms, software, systems, and applications
Interactive 3d Multimedia Content
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Author : Wojciech Cellary
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-06
Interactive 3d Multimedia Content written by Wojciech Cellary and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-06 with Computers categories.
The book describes recent research results in the areas of modelling, creation, management and presentation of interactive 3D multimedia content. The book describes the current state of the art in the field and identifies the most important research and design issues. Consecutive chapters address these issues. These are: database modelling of 3D content, security in 3D environments, describing interactivity of content, searching content, visualization of search results, modelling mixed reality content, and efficient creation of interactive 3D content. Each chapter is illustrated with example applications based on the proposed approach. The final chapter discusses some important ethical issues related to the widespread use of virtual environments in everyday life. The book provides ready to use solutions for many important problems related to the creation of interactive 3D multimedia applications and will be a primary reading for researchers and developers working in this domain.
Pattern Recognition Applications And Methods
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Author : Ana Fred
language : en
Publisher: Springer
Release Date : 2017-02-08
Pattern Recognition Applications And Methods written by Ana Fred and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-08 with Computers categories.
This book contains revised and extended versions of selected papers from the 5th International Conference on Pattern Recognition, ICPRAM 2016, held in Rome, Italy, in February 2016. The 13 full papers were carefully reviewed and selected from 125 initial submissions and describe up-to-date applications of pattern recognition techniques to real-world problems, interdisciplinary research, experimental and/or theoretical studies yielding new insights that advance pattern recognition methods.
Knowledge Engineering And Knowledge Management
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Author : Eva Blomqvist
language : en
Publisher: Springer
Release Date : 2016-11-12
Knowledge Engineering And Knowledge Management written by Eva Blomqvist and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-12 with Computers categories.
This book constitutes the refereed proceedings of the 20th InternationalConference on Knowledge Engineering and Knowledge Management, EKAW 2016,held in Bologna, Italy, in November 2016. The 51 full papers presented were carefully reviewed and selected from 171 submissions. The papers cover all aspects of eliciting, acquiring, modeling, and managing knowledge, the construction of knowledge-intensive systems and services for the Semantic Web, knowledge management, e-business, natural language processing,intelligent information integration, personal digital assistance systems, and a variety of other related topics. A special focus was on "evolving knowledge", i.e., the impact of space and time on knowledge representation, concerning all aspects of the management and acquisition of knowledge representation of evolving, contextual, and local models.
Solving Large Scale Learning Tasks Challenges And Algorithms
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Author : Stefan Michaelis
language : en
Publisher: Springer
Release Date : 2016-07-02
Solving Large Scale Learning Tasks Challenges And Algorithms written by Stefan Michaelis and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-02 with Computers categories.
In celebration of Prof. Morik's 60th birthday, this Festschrift covers research areas that Prof. Morik worked in and presents various researchers with whom she collaborated. The 23 refereed articles in this Festschrift volume provide challenges and solutions from theoreticians and practitioners on data preprocessing, modeling, learning, and evaluation. Topics include data-mining and machine-learning algorithms, feature selection and feature generation, optimization as well as efficiency of energy and communication.
The Journal
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Author :
language : en
Publisher:
Release Date : 1997
The Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Computer-assisted instruction categories.