标题:Semantic Role Labeling Martha Palmer,* Daniel Gildea,‡ and Nianwen Xue¶ (*University of Colorado, Boulder; ‡University of Rochester; ¶Brandeis University) Morgan & Claypool (Synthesis Lectures on Human Language Technologies, edited by Graeme Hirst, volume 6), 2010, ix+91 pp; paperbound, ISBN 978-1-59829-831-4, $30.00 or by subscription