Knowledge Graphs

  1. Knowledge Graph Construction
    1. Data Extraction Methods
      1. Structured Data Sources
        1. Relational Databases
          1. Spreadsheets
            1. APIs
            2. Semi-Structured Sources
              1. XML Documents
                1. JSON Data
                  1. Web Tables
                  2. Unstructured Text
                    1. Named Entity Recognition
                      1. Relation Extraction
                        1. Event Extraction
                          1. Coreference Resolution
                        2. Mapping and Transformation
                          1. R2RML Mapping
                            1. Direct Mapping
                              1. Custom Transformations
                                1. Data Cleaning
                                  1. Format Conversion
                                  2. Entity Resolution
                                    1. Entity Linking
                                      1. Record Linkage
                                        1. Deduplication
                                          1. Identity Resolution
                                            1. Disambiguation
                                            2. Knowledge Integration
                                              1. Schema Alignment
                                                1. Data Fusion
                                                  1. Conflict Resolution
                                                    1. Quality Assessment
                                                      1. Provenance Tracking
                                                      2. Automated Construction
                                                        1. Machine Learning Approaches
                                                          1. Pattern Recognition
                                                            1. Statistical Methods
                                                              1. Validation Techniques

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                                                            3. Schema Design and Ontology Engineering

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                                                            5. Storage and Management Systems