Satoshi Ikeda Kazunori Komatani Tetsuya Ogata Hiroshi G. Okuno Integrating Topic Estimation and Dialogue History for Domain Selection in Multi-domain Spoken Dialogue Systems. 294-304 2008 IEA/AIE http://dx.doi.org/10.1007/978-3-540-69052-8_31 conf/ieaaie/2008 db/conf/ieaaie/ieaaie2008.html#IkedaKOO08