Lattice of a Directed acyclic graph

Hi all,What is a lattice of a directed acyclic graph?What is the general algorithm to determine if a given DAG is a lattice?I don't know how to start..Thank You
[196 byte] By [LeonLLa] at [2007-10-2 4:51:02]
# 1
What is google?
rkippena at 2007-7-16 0:55:29 > top of Java-index,Other Topics,Algorithms...
# 2
> What is google?I know, I know!Google, a popular search engine, is a tool for finding resources on the World Wide Web. Google scans web pages to find instances of the keywords you have entered in the search box.
prometheuzza at 2007-7-16 0:55:29 > top of Java-index,Other Topics,Algorithms...
# 3
That is a very well defined answer!
rkippena at 2007-7-16 0:55:29 > top of Java-index,Other Topics,Algorithms...
# 4
> ...well defined ...; )
prometheuzza at 2007-7-16 0:55:29 > top of Java-index,Other Topics,Algorithms...