[1] Price P J. Evaluation of spoken language systems: the ATIS domain[C]//Proceedings of DARPA Workshop on Speech and Natural Language, Hidden Valley, PA, 1990.
[2] Gorin A, Riccardi G, Wright J. How may I help you?[J]. Speech Communication,1997, 23(1-2): 113-127.
[3] Zue V, Seneff S, Glass J, et al. JUPITER: a telephone-based conversational interface for weather information[J]. IEEE Transactions on Speech and Audio Processing, 2000, 8(1): 85-96.
[4] 黄寅飞, 郑方, 燕鹏举等. 校园导航系统EasyNav的设计与实现[J].中文信息学报, 2001, 15(4): 35-40.
[5] Durston P, Farrell M, Attwater D, et al. OASIS natural language call steering trial[C]//Proceedings of 7th European Conference on Speech Communication and Technology (Eurospeech 2011), 2001: 1323-1326.
[6] 张琳, 高峰, 郭荣等. 汉语股票实时行情查询对话系统[J]. 计算机应用, 2004, 24(7): 61-63.
[7] Pappu A, Rudnicky A. The structure and generality of spoken route instructions[C]//Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2012), 2012: 99-107.
[8] Reichel C S, Sohn J, Ehrlich U, et al. Out-of-domain spoken dialogs in the car: a WoZ study[C]//Proceedings of the 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2014), 2014: 12-21.
[9] Wallace R S. A.L.I.C.E. artificial intelligence foundation[EB/OL]. [2015-08-10]. http://www.alicebot.org.
[10] Banchs R E, Li H. IRIS: a chat-oriented dialogue system based on the vector space model[C]//Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL 2012), demo session.
[11] Mollá D, González J L V. Question answering in restricted domains: an overview[J]. Computational Linguistics, 2007, 33(1): 41-61
[12] Ameixa D, Coheur L, Fialho P, et al. Luke, I am your father: dealing with out-of-domain requests by using movies subtitles [J]. LNCS (LNAI), (8637): 13-21.
[13] Metallinou A, Bohus D, Williams J D. Discriminative state tracking for spoken dialog systems[C]//Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013), 2013: 466-475.
[14] Xu W Q, Xu B, Huang T Y, et al. Bridging the gap between dialogue management and dialogue models[C]//Proceedings of the Third SIGdial Workshop on Discourse and Dialogue (SIGDIAL 2002), 2002: 201-210.
[15] 邬晓钧, 郑方, 徐明星. 基于主题森林结构的对话管理模型[J]. 自动化学报, 2003,29(2):275-283.
[16] Peltason J, Wrede B. Pamini: a framework for assembling mixed-initiative human-robot interaction from generic interaction patterns[C]//Proceedings of the 11th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2010), 2010: 229-232.
[17] Lane I R, Kawahara T, Matsui T, et al. Out-of-domain utterance detection using classification confidences of multiple topics[J]. IEEE Transactions on Audio, Speech, and Language Processing, 2007, 15(1):150-161.
[18] Tür G, Deoras A, Hakkani-Tür D. Detecting out-of-domain utterances addressed to a virtual personal assistant[C]//Proceedings of the 15th Annual Conference of the International Speech Communication Association (INTERSPEECH 2014), 2014: 283-287.
[19] Celikyitmaz A, Hakkani-Tür D, Tür G. Approximate inference for domain detection in spoken language understanding[C]//Proceedings of the 12th Annual Conference of the International Speech Communication Association (INTERSPEECH 2011), 2011: 1293-1296.
[20] Weizenbaum J. ELIZA-a computer program for the study of natural language communication between man and machine[J]. Communications of the ACM, 1966, 9(1):36-45.
[21] Colby K M, Weber S, Hilf F D. Artificial paranoia[J]. Artificial Intelligence, 1971, 2(1): 1-25.
[22] Schumaker R P, Chen H. Interaction analysis of the ALICE chatterbot: a two-study investigation of dialog and domain questioning[J]. IEEE Transactions on Systems, Man, and Cybernetics, Part A, 2010, 40(1): 40-51.
[23] 清华大学图书馆智能机器人小图[EB/OL]. [2015-08-10]. http://166.111.120.164:8081/programd/.
[24] 小I机器人[EB/OL]. [2015-08-10]. http://www.xiaoi.com/index.html.
[25] Schumaker R P, Chen H. Leveraging question answer technology to address terrorism inquiry[J]. Decision Support Systems, 2007, 43(4): 1419-1430.
[26] Jia J Y. CSIEC: a computer assisted English learning chatbot based on textual knowledge and reasoning[J]. Knowledge-Based Systems, 2009, 22 (4): 249-255.
[27] Crutzen R, Peters G Y, Portugal S D, et al. An artificially intelligent chat agent that answers adolescents questions related to sex, drugs, and alcohol: an exploratory study[J]. Journal of Adolescent Health, 2011, 48(5):514-519.
[28] Huang J Z, Zhou M, Yang D. Extracting chatbot knowledge from online discussion forums[C]//Proceedings of the 20th International Joint Conference on Artificial Intelligence (IJCAI 2007), 2007: 423-428.
[29] Banchs R E. Movie-DiC: a movie dialogue corpus for research and development[C]//Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL 2012), 2012: 203-207.
[30] Wallace R S. The anatomy of A.L.I.C.E. [EB/OL]. [2015-08-10]. http://www.alicebot.org/anatomy.html.
[31] Huang P J, Lin X M, Lian Z Q, et al. Ch2R: a Chinese chatter robot for online shopping guide[C]//Proceedings of the 3rd CIPS-SIGHAN Joint Conference on Chinese Language Processing (CLP-2014), 2014: 26-34.
[32] 黄民烈, 朱小燕. 对话管理中基于槽特征有限状态自动机的方法研究[J]. 计算机学报, 2004, 27 (08): 1092-1101.
[33] Chen Y N, Wang W Y, Rudnicky A. Unsupervised induction and filling of semantic slots for spoken dialogue systems using frame-semantic parsing[C]//Proceedings of the 2013 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU), 2013.

王俊东(1992—),硕士研究生,主要研究领域为自然语言处理。
E-mail: jdwang@stu.scau.edu.cn

黄沛杰(1980—),通信作者,博士,副教授,主要研究领域为人工智能、自然语言处理、口语对话系统。
E-mail: pjhuang@scau.edu.cn

林仙茂(1990—),本科,主要研究领域为口语对话系统。
E-mail: xianmaulin@gmail.com
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[20] Tomas Mikolov, Wen-tau Yih, Geoffrey Zweig. Linguistic Regularities in Continuous Space Word Representations[C]//Proceedings of NAACL HLT, 2013:746-751.