Submitted on: 09 August 1998.
Revised on: 18 August 1998.
Accepted on: 23 August 1998.
Transactions of the Association for Computational Linguistics
http://reply.papertrans.cn/3/298/29702/29702-12.png
Submitted on: 10 April 2015.
Revised on: 26 April 2015.
Accepted on: 03 May 2015.
Transactions of the Association for Computational Linguistics
http://reply.papertrans.cn/3/298/29702/29702-14.png
http://reply.papertrans.cn/3/298/29702/29702-15.png
Submitted on: 03 February 2012.
Revised on: 05 March 2012.
Accepted on: 16 March 2012.
Transactions of the Association for Computational Linguistics
Submitted on: 14 March 2021.
Revised on: 31 March 2021.
Accepted on: 13 April 2021.
Transactions of the Association for Computational Linguistics
http://reply.papertrans.cn/3/298/29702/29702-18.png
Submitted on: 24 April 2017.
Revised on: 16 May 2017.
Accepted on: 13 June 2017.
Transactions of the Association for Computational Linguistics
Submitted on: 26 June 1999.
Revised on: 03 July 1999.
Accepted on: 24 July 1999.
Transactions of the Association for Computational Linguistics