In this paper, we explored gaming as a methodology for generating paraphrase data that is useful for NLP or IR research and development of practical systems.
we outlined a game-with-apurpose -Doodlingthat is based on sketch-and-convey metaphor, where a sketch by a Drawer was used as a mechanism for abstracting a concept (the source phrase) which was then surfaced by different guessers in the game room, potentially producing paraphrases.