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Empty PICO formThe default state of the form

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Using EmtreeUser has clicked on the search field

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Finding best termUser wants to search ‘cancer’

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Searching in Emtree visualisationAn animation is shown will the term is search in Emtree

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Term found The found term is highlighted in Emtree

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Adding a term to the queryUser wants to add ‘Cancer’ to the query

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Term is added + option to add synonymsUser has clicked ‘Add to query’ and a ghost token is shown

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Adding synonymsUser wants to add the 15 synonyms for ‘Cancer’

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The synonym panelAfter adding the synonyms the user can exclude / include synonyms from the token

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Excluding synonymsThe user decided to exclude 3 synonyms by toggling the terms.

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Changing the search strategyThe user has the option to change the search strategy clicking on a token

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Emtree term token optionsThe user is able to change the search strategy by using the menu

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Changing the search strategy to ‘Emtree term’.The search strategy is changed from ‘Broad’ to ‘Emtree term’.

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Adding a term using the fieldThe user can also add a term straight to the query by selecting and typing in a field.

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AutosuggestionThe system helps the user to directly find the term.

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Token addedAs soon as a new term is added a boolean operator is added (by default ‘OR’)

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Boolean operator- token optionsA menu appears when the user clicks on the boolean token

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Changing the boolean operatorThe user has changed the boolean operator from ‘OR’ to ‘AND’

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Adding a Free Text termUser can select the last option in the autocomplete menu to add a term as a Free Text term

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Free term addedBy default the search strategy for a Free Text token is ‘ti,ba’

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Free text token optionsThe user is able to change the search strategy by using the menu