Mika Enomoto Masashi Okamoto Masato Ohba Hitoshi Iida Laughter around the End of Storytelling in Multi-party Interaction. 275-287 2008 JSAI http://dx.doi.org/10.1007/978-3-642-00609-8_24 conf/jsai/2008 db/conf/jsai/jsai2008.html#EnomotoOOI08