'Li wei' presentation slideshows

Holistic Twig Joins: Optimal XML Pattern Matching

Holistic Twig Joins: Optimal XML Pattern Matching. Nicholas Bruno, Nick Koudas, Divesh Srivastava ACM SIGMOD 02 Presented by: Li Wei, Dragomir Yankov. Outline. Problem Statement PathStack Algorithm TwigStack Algorithm Experimental Results. Problem Statement.

663 views • 44 slides

Module 1 Before Sales Service

577 views • 27 slides

What do you usually do ?

What do you usually do ?. ?????? ??. What do you usually do ?. ??. ??. ??. ??. ??. ??. ??. What do you usually do on weekends ?. I usually_____. Chinese painting. I play basketball. I usually play basketball. I play ping pong. I usually play ping pong.

494 views • 9 slides