For the most part, structured data refers to information with a high degree of organization, such that inclusion in a relational database is seamless and readily searchable by simple, straightforward search engine algorithms or other search operations; whereas unstructured data is essentially the opposite 27.2) Information retrieval ( IR ) is the activity of obtaining information resources relevant to an information need from a collection of information resources. Searches can be based on metadata or on full-text (or other content-based) indexing. 27.3) Informational Web Search Queries Informational searches are utilised to educate the searcher, they’re looking for answers or more details on a subject. For example a search on “Internet Marketing” will yield many results with a very broad approach to the keyword. These searches can be purely academic, where the searcher is looking for knowledge on a particular topic which will lead to no monetary exchange or they can be commercially based, where a prospective client would be looking for details on a particular product, who offers the product and what