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Semantic search for novel information / Michael Farber.

EBSCOhost Academic eBook Collection (North America) Available online

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Format:
Book
Author/Creator:
Farber, Michael, author.
Series:
Studies on the Semantic Web ; Volume 031.
Studies on the Semantic Web ; Volume 031
Language:
English
Subjects (All):
Semantic computing.
Semantic Web.
Physical Description:
1 online resource (214 pages).
Edition:
1st ed.
Place of Publication:
Berlin, [Germany] : IOS Press, 2017.
Summary:
In this book, new approaches are presented for detecting and extracting simultaneously relevant and novel information from unstructured text documents.A major contribution of these approaches is that the information already provided and the extracted information are modeled semantically.
Contents:
Title Page
Abstract
Acknowledgements
Contents
List of Figures
List of Tables
List of Listings
Introduction
Motivation
Problem Statement
Research Questions
Contribution of the Thesis
Published Results
Readers' Guide
Foundations
Semantic Web Technologies
The Vision of the Semantic Web
RDF and SPARQL
Knowledge Graph
Information Extraction, Machine Learning, Information Retrieval, and Data Quality
Information Extraction
Machine Learning
Information Retrieval
Data Quality
State-of-the-Art
Statistical Search for Relevant Information
Temporal Information Retrieval
Trend Detection
Semantic Search for Relevant Information
Semantic Search for Relevant Entities
Semantic Search for Relevant Statements
Semantic Search for Relevant Events
Statistical Search for Relevant, Novel Information
Characteristics of Statistical Search for Relevant, Novel Information
Evaluations and Data Sets
Approaches to the Statistical Search for Relevant, Novel Information
Semantic Search for Relevant, Novel Information
Semantic Search for Novel Entities
Semantic Search for Novel Statements
Semantic Search for Novel Events
The Suitability of Knowledge Graphs for Semantic Novelty Detection
Selection of Knowledge Graphs
Key Statistics of Selected Knowledge Graphs
Related Work
Number of Triples and Statements
Classes and Domains
Relations and Predicates
Instances and Entities
Subjects and Objects
Summary of Key Statistics
Completeness and Timeliness of Selected Knowledge Graphs
Gold Standard
Completeness
Timeliness
Discussion
Conclusions
Emerging Entity Detection
Entity Linking Challenges Arising from Missing Entities and Missing Surface Forms
Overview of Entity Linking Challenges.
Challenges in the Wild
Summary of Findings
Approach: Emerging Entity Detection
The Approach
Evaluation Results
Challenge 1: Linking to in-KG Entities via Known Surface Forms
Challenge 2: Linking to in-KG Entities via Unknown Surface Forms
Challenge 3: Linking to Out-of-KG Entities via Known Surface Forms
Challenge 4: Linking to Out-of-KG Entities via Unkown Surface Forms
Novel Statement Extraction
Measuring Semantic Novelty of Statements
The Novel Statement Extraction System
Textual Triple Extraction
KG Linking
Novelty Detection
Evaluation 1: CrunchBase
Data Used
Evaluation Setting
Evaluation 2: DBpedia
The Baseline Approach and its Evaluation Results
Evaluation Results of Our Approach
Summary
Limitations
Outlook
Appendix
Supplementary Material
Bibliography.
Notes:
Includes bibliographical references.
Description based on online resource; title from PDF title page (ebrary, viewed October 19, 2017).
Description based on publisher supplied metadata and other sources.
ISBN:
1-61499-775-6
OCLC:
1004378038

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