
Multilinguality in Knowledge Graphs
Description
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This book, Multilinguality in Knowledge Graphs, presents studies which assess and improve the state of labels and languages in knowledge graphs and the application of multilingual information. The author proposes ways of using multilingual knowledge graphs to reduce the gaps in coverage between languages, and the book explores the current state of language distribution in knowledge graphs by developing a framework based on existing standards, frameworks, and guidelines to measure label and language distribution in knowledge graphs. Applying this framework to a dataset representing the web of data, and to Wikidata, both a lack of labeling on the web and a bias towards a small set of languages were found. The book explores how a knowledge of labels and languages can be used in the domain of answering questions, and demonstrates how the framework can be applied to the task of ranking and selecting knowledge graphs for a set of user questions. Transliteration and translation of knowledge graph labels and aliases are also covered, as is the automatic classification of labels into one or the other to train a model for each task.
The book provides a wide range of information on working with data and knowledge graphs in less-resourced languages.
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Content
- Intro
- Title page
- Abstract
- Contents
- List of Figures
- List of Tables
- Definitions
- Introduction
- Motivation
- Research Questions
- Context
- Structure of the Thesis
- Previous Publications by the Author
- Background
- Web of Data
- Knowledge Graphs
- Labels and Languages in Knowledge Graphs
- Wikidata
- Knowledge Graph Transliteration and Translation
- Background on the Motivating Scenarios
- Framework for labels and languages
- Dataset Description
- Core Metrics
- Data Creator Metrics
- Application of the framework
- Multilinguality in the Web of Data
- Dataset
- Size
- Natural Language URIs
- Labelling Properties
- Entity Labelling
- Class Labelling
- Property Labelling
- Unambiguity
- Multilinguality
- Monoglingual Islands
- Contextual Comparison
- Discussion
- Multlinguality in Wikidata
- Editors in Wikidata
- Datasets
- Size
- Natural Language URI
- Labelling properties
- Entity Labelling
- Class Labelling
- Property Labelling
- Unambiguity
- Multilinguality
- Monolingual Islands
- Contextual Comparison
- User Language
- User Language Editing
- User Activity
- Edit Patterns
- Language Overlap
- Activity and Multilinguality
- Comparison by User Group
- Comparison to the Web of Data
- Discussion
- Ranking Knowledge Graphs
- Problem statement
- Capturing Knowledge in LINGVO
- Datasets
- Gold Standard
- Baselines
- Experiments
- Results
- Discussion
- Transliteration and Translation
- Problem Statement
- Approach
- Crowdsourcing Task
- Transliteration/Translation Classification
- Out-of-domain Training Data
- Evaluation and Models
- Transliteration and Translation Model Setup
- Transliteration and Translation Based on Gold Standard
- Transliteration and Translation Based on Automated Classification
- Discussion
- ArticlePlaceholder
- Bootstrapping empty Wikipedia articles
- Methods for Answering the Research Questions
- RQ4.1 - Judgement-based evaluation
- RQ4.2 and RQ4.3 - Task-based evaluation
- Discussion
- Limitations
- Conclusions
- Contributions and Results
- Future Work
- Final remarks
- Bibliography
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