Dang-Vien Tran Hoang-Khoi Nguyen Enrico Pontelli Tran Cao Son Improving Performance of Conformant Planners: Static Analysis of Declarative Planning Domain Specifications. 239-253 2009 PADL http://dx.doi.org/10.1007/978-3-540-92995-6_17 conf/padl/2009 db/conf/padl/padl2009.html#TranNPS09