4.2.3. Information extraction ......................................................................................................................................... 76
4.2.4. Semantic paraphrase resolution........................................................................................................................... 77
4.2.5. Ontology population............................................................................................................................................. 77
4.2.6. Entity consolidation.............................................................................................................................................. 77
4.3. The billion triple challenge ................................................................................................................................................ 77
4.4. Schema alignment............................................................................................................................................................. 77
5. Ethics and privacy ........................................................................................................................................................................ 78
6. Conclusion.................................................................................................................................................................................... 78
References .................................................................................................................................................................................... 78