I have been fascinated by the knowledge representation and reasoning field. My presentation on commonsense knowledge graphs instilled a greater desire for knowledge bases in the form of ontologies and knowledge graph. It became clear to me that it would be difficult  to create a deeper knowledge base that embodies commonsense knowledge A knowledge base that will extend the meaning of entities by capturing analogical reasoning elements such as metaphors will have to be domain specific. 

The Hasso Plattner Institut has a great lecture on Knowledge and Engineering with Semantic Web Technologies by Dr Harald Sack on YouTube is a great resource that has inspired me to look at domain-specific knowledge base. There are four types and categories of ontologies. These are viewed according to their level of generality and they are the top-level ontology, domain ontology, task ontology and application ontology. 

A commonsense or distilled knowledge base for the experiences and events will be viewed as a domain ontology with a bit of task ontology. This is because some experiences can be an attraction within the tourism and travel domain (e.g Buckingham Palace) and also tasks like Buckingham Palace tours, Buckingham Palace visit, Buckingham Palace changing of the guards. These Buckingham Palace related terms can be linked to top-level ontology terms such as historic sites or royal palaces.

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