Information Extraction
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Information Extraction in Finance
Author | : M. Costantino,Paolo Coletti |
Publsiher | : WIT Press |
Total Pages | : 193 |
Release | : 2008 |
Genre | : Business & Economics |
ISBN | : 9781845641467 |
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Professional financial traders are currently overwhelmed with news and extracting relevant information is a long and hard task, whilst trading decisions require immediate actions. Primarily intended for financial organizations and business analysts, this book provides an introduction to the algorithmic solutions to automatically extract the desired information from Internet news and obtain it in a well structured form. It places emphasis on the principles of the method rather than its numerical implementation, omitting the mathematical details that might otherwise obscure the text, and focuses on the advantages and on the problems of each method. The authors also include many practical examples with complete references and algorithms for similar problems, which may be useful in the financial field, and basic techniques applied in other information extraction fields which may be imported into the financial news analysis.
Information Extraction Algorithms and Prospects in a Retrieval Context
Author | : Marie-Francine Moens |
Publsiher | : Springer Science & Business Media |
Total Pages | : 255 |
Release | : 2006-10-10 |
Genre | : Language Arts & Disciplines |
ISBN | : 9781402049934 |
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This book covers content recognition in text, elaborating on past and current most successful algorithms and their application in a variety of settings: news filtering, mining of biomedical text, intelligence gathering, competitive intelligence, legal information searching, and processing of informal text. Today, there is considerable interest in integrating the results of information extraction in retrieval systems, because of the demand for search engines that return precise answers to flexible information queries.
Introduction to Information Retrieval
Author | : Christopher D. Manning,Prabhakar Raghavan,Hinrich Schütze |
Publsiher | : Cambridge University Press |
Total Pages | : 135 |
Release | : 2008-07-07 |
Genre | : Computers |
ISBN | : 9781139472104 |
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Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and text clustering from basic concepts. It gives an up-to-date treatment of all aspects of the design and implementation of systems for gathering, indexing, and searching documents; methods for evaluating systems; and an introduction to the use of machine learning methods on text collections. All the important ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students in computer science. Based on feedback from extensive classroom experience, the book has been carefully structured in order to make teaching more natural and effective. Slides and additional exercises (with solutions for lecturers) are also available through the book's supporting website to help course instructors prepare their lectures.
Advanced Applications of Natural Language Processing for Performing Information Extraction
Author | : Mário Rodrigues,António Teixeira |
Publsiher | : Springer |
Total Pages | : 75 |
Release | : 2015-05-06 |
Genre | : Computers |
ISBN | : 9783319155630 |
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This book explains how can be created information extraction (IE) applications that are able to tap the vast amount of relevant information available in natural language sources: Internet pages, official documents such as laws and regulations, books and newspapers, and social web. Readers are introduced to the problem of IE and its current challenges and limitations, supported with examples. The book discusses the need to fill the gap between documents, data, and people, and provides a broad overview of the technology supporting IE. The authors present a generic architecture for developing systems that are able to learn how to extract relevant information from natural language documents, and illustrate how to implement working systems using state-of-the-art and freely available software tools. The book also discusses concrete applications illustrating IE uses. · Provides an overview of state-of-the-art technology in information extraction (IE), discussing achievements and limitations for the software developer and providing references for specialized literature in the area · Presents a comprehensive list of freely available, high quality software for several subtasks of IE and for several natural languages · Describes a generic architecture that can learn how to extract information for a given application domain
Knowledge Driven Multimedia Information Extraction and Ontology Evolution
Author | : Georgios Paliouras,Constantine D. Spyropoulos,George Tsatsaronis |
Publsiher | : Springer Science & Business Media |
Total Pages | : 251 |
Release | : 2011-05-19 |
Genre | : Computers |
ISBN | : 9783642207945 |
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This book presents the state of the art in the areas of ontology evolution and knowledge-driven multimedia information extraction, placing an emphasis on how the two can be combined to bridge the semantic gap. This was also the goal of the EC-sponsored BOEMIE (Bootstrapping Ontology Evolution with Multimedia Information Extraction) project, to which the authors of this book have all contributed. The book addresses researchers and practitioners in the field of computer science and more specifically in knowledge representation and management, ontology evolution, and information extraction from multimedia data. It may also constitute an excellent guide to students attending courses within a computer science study program, addressing information processing and extraction from any type of media (text, images, and video). Among other things, the book gives concrete examples of how several of the methods discussed can be applied to athletics (track and field) events.
Information Extraction
Author | : Maria T. Pazienza |
Publsiher | : Springer |
Total Pages | : 174 |
Release | : 2003-07-31 |
Genre | : Computers |
ISBN | : 9783540480891 |
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Information extraction (IE) is a new technology enabling relevant content to be extracted from textual information available electronically. IE essentially builds on natural language processing and computational linguistics, but it is also closely related to the well established area of information retrieval and involves learning. In concert with other promising intelligent information processing technologies like data mining, intelligent data analysis, text summarization, and information agents, IE plays a crucial role in dealing with the vast amounts of information accessible electronically, for example from the Internet. The book is based on the Second International School on Information Extraction, SCIE-99, held in Frascati near Rome, Italy in June/July 1999.
Information Extraction
Author | : Maria T. Pazienza |
Publsiher | : Springer Science & Business Media |
Total Pages | : 175 |
Release | : 1999-10-06 |
Genre | : Computers |
ISBN | : 9783540666257 |
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"By investigating the general structures of natural language and logic as well as relevant software engineering methodologies, the lectures presented in this book attempt the development of principled techniques for domain-independent IE. The book is based on the Second International School on Information Extraction, SCIE-99, held in Frascati near Rome, Italy in June/July 1999."--BOOK JACKET.
Information Extraction
Author | : Sunita Sarawagi |
Publsiher | : Now Publishers Inc |
Total Pages | : 131 |
Release | : 2008 |
Genre | : Computers |
ISBN | : 9781601981882 |
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Surveys over two decades of information extraction research from various communities such as computational linguistics, machine learning, databases and information retrieval.