title: tree pattern query minimization. authors: divesh srivastava , sungran cho , laks v. s. lakshmanan , sihem amer-yahia. venue: vldb j.. year: 2002.0
title: tree pattern query minimization s. amer-yahia , s. cho , l. v. s. lakshmanan , d. srivastava the vldb journal -- the international journal on very large data bases. authors: nan. venue: nan. year: 2002.0