Hironori Washizaki Yoshiaki Fukazawa A Retrieval Technique for Software Components Using Directed Replaceability Similarity. 298-310 2002 conf/oois/2002 OOIS http://dx.doi.org/10.1007/3-540-46102-7_34 db/conf/oois/oois2002.html#WashizakiF02