Text ( visual ) : unmediated XLearner : a system to learn XML queries from examples / Atsuyuki Morishima, Akira Matsumoto, Hiroyuki Kitagawa. -- Tsukuba : Institute of Information Sciences and Electronics, University of Tsukuba , 2004. -- 33 leaves : ill. ; 30 cm. -- (ISE-TR ; 04-196). -- Includes bibliographical references. -- (BA71880145) ; https://ci.nii.ac.jp/ncid/BA71880145 Author Heading(s): 森嶋, 厚行 ; 松本, 明 ; 北川, 博之 ; 筑波大学電子・情報工学系