The task is to write chapter 3.2 of the master thesis “Efficiency and influencing factors for Information Retrieval within the Digital Tax Workplace of a multi-national enterprise”. 3.2 Semantic search methods in the domain-specific context of tax and customs at a multi-national enterprise 3.2.1 Definition of semantic search engine / search techniques: How is a semantic search technique / engine defined? Are there different definitions in literature? Explain Similarities and differences. 3.2.2 Categories / types of semantic search engines Maybe there is an overview / matrix of Gartner which classifies search engines and semantic search engines. Categorize the different types and explain the attributes of categorization / of the types 3.2.3 Components of a semantic search engine Name and explain them. Are there different approaches in literature? 3.2.4 Why semantic search engines? Explain relevance & challenges in the domain specific context of tax and customs at a multi-national enterprise. Example: Different languages – Varying degrees of difficulty of language and grammar, e.g. German language is more difficult in terms of Grammar than English. See additional word document. Minimum 4 references per page.