demo.md

layout	title	description	group
page	Our demo, Platypus	How to use Platypus?	navigation

{% include JB/setup %}

Some useful features that you should know.

1. Random generation of a question.
2. Text input of a question.
3. Speech input of a question.
4. Process a question.

Examples of questions

Keyword questions

• Sherlock Holmes

• Guatemala

English questions

• Who is Jean-François Champollion?

• What is "P=NP"?

• Who is the author of "Le Petit Prince"?

• What is the capital of India?

• Where is the capital of New Zealand?

• Who is the prime minister of France?

• What is the birth date of the president of the United States?

• Who are the Beatles' members?

• When was Barack Obama born?

Math questions

• sqrt(180)

• integral of sin(x)

• N[Pi, 42]

• Limit[Sum[1/i, {i,1,n}]-Log[n], n->Infinity]

• Sum[x^n/n!, {n,0,Infinity}]

• sum(1/n**42, n, 1, infinity)

• Integrate[Exp[-x^2], {x, -Infinity, Infinity}]

• Solve[Exp[x]/2+Exp[-x]/2==y,x]

• What follows 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31

Weird questions

• What is the cappyttal of Franse?

• Who are the daughters of the wife of the husband of the wife of the president of the United States?

Power user input

You can also input your questions using our power user's query syntax. It may be used as a query tool for Wikidata.

Examples

• (Barack Obama, birth date, ?) Returns the birth date of the entities that have as label Barack Obama.

• (?, author, Douglas Adams) Returns all the entities that have as author an entity with the label Douglas Adams.

• (?, profession, poet) ∩ (?, profession, computer scientist) ∩ (?, sex, female) Does a clever intersection between the sets of entities returned by the three sub-queries to find Ada Lovelace.

• (Alan Turing, birth date, ?) ∪ (Alan Turing, death date, ?) Returns the union of the two entities: the birth and death dates of Alan Turing.

• ((United States, president, ?), children, ?) Returns the children of the president of the United States using a nested query.