Ontology-Driven Data Access and Data Integration with an Application in the Materials Design Domain.

• Superior document: Linköping Studies in Science and Technology. Dissertations Series ; v.2218
• Author: Li, Huanyu.
• Place / Publishing House: Linköping : : Linkopings Universitet,, 2022.; {copy}2022.
• Year of Publication: 2022
• Edition: 1st ed.
• Language: English
• Series: Linköping Studies in Science and Technology. Dissertations Series
• Physical Description: 1 online resource (264 pages)

Table of Contents

Intro -- Abstract -- Populärvetenskaplig sammanfattning -- Acknowledgments -- Contents -- List of Figures -- List of Tables -- List of Listings -- List of Acronyms -- External Publications -- Introduction -- Motivation -- Problem formulation -- Contributions -- Research methods -- Thesis outline -- Background -- Ontologies, RDF, SPARQL -- Data integration -- Materials design domain -- FAIR data principles -- Summary -- GraphQL-based framework for data access and integration -- GraphQL -- GraphQL schemas -- GraphQL resolver functions -- Overview of the framework -- GraphQL server generation process -- GraphQL query answering process -- Summary -- Ontology-based GraphQL server generation (OBG-gen) -- Ontology-based GraphQL schema generation -- GraphQL schema formalization -- Ontology represented by description logic TBox -- The Schema Generator algorithm -- The intended meaning of GraphQL schemas generated by the Schema Generator -- Generic GraphQL resolver function -- GraphQL queries represented by Abstract Syntax Trees -- RDF Mapping Language (RML) -- Components of the generic resolver function -- The Evaluator algorithm -- Related work -- Summary -- Materials Design Ontology (MDO) -- Background and related work -- Ontology development -- Ontologies in the materials science domain -- Databases in the materials science domain -- Open Databases Integration for Materials Design -- Development of Materials Design Ontology -- Requirements analysis -- Using existing resources -- Description of Materials Design Ontology -- MDO core module -- MDO structure module -- MDO calculation module -- MDO provenance module -- Usage of Materials Design Ontology -- Instantiating a materials calculation using MDO -- Impact, reusability, and availability of MDO -- Summary -- An approach for extending domain ontologies (ToPMine-FTCA) -- Background.

Extending ontologies based on unstructured text -- Topic models -- The framework (ToPMine-FTCA) -- Topic model-based text mining -- Formal topical concept analysis -- Domain expert validation -- Summary -- Evaluation of ToPMine-FTCA -- Related work -- Extending ontologies using ToPMine-FTCA -- Extending ontologies in the nanotechnology domain -- Extending Materials Design Ontology -- Summary -- Evaluation of the GraphQL-based framework -- Real case evaluation -- Data -- Systems -- Queries -- Experiments and measurements -- Results and discussion -- Evaluation based on LinGBM -- Data -- Queries -- Experiments, results and discussion -- Summary -- An application to OPTIMADE -- The OPTIMADE API -- The usage of MDO and OBG-gen with OPTIMADE -- Summary -- Limitations and future work -- Towards more user-friendly data access, data integration and ontology extension -- Limitations in mapping languages -- Semantic Web meets Materials Science -- Conclusions -- Ontology-driven data access and integration -- Domain ontologies extension -- Evaluation and application in the materials science domain -- Bibliography -- SPARQL queries for MDO competency questions -- GraphQL schemas used in the evaluation -- MDO related GraphQL schema -- University related GraphQL schema -- GraphQL queries used in the evaluation -- MDO related queries -- Queries without filter expressions -- Queries with filter expressions -- Query examples according to query templates in LinGBM. -- Dr-sammanst.