The graph-search and tree-search algorithms in chapter 3 of the 2nd

edition use a "fringe" variable to maintain the queue of nodes. Does

anyone know why the word "fringe" is used to describe this? The 1st

edition talked about a queue instead (actually, an "enqueue" function)

and I thought that terminology was more straightforward. Does the word

"fringe" have a more specific meaning than queue?



Thanks,

Brandon

The collection of nodes is a queue of nodes that are on the fringe of

the graph -- fringe meaning the frontier, or the leaf nodes of the

expanding graph.  We thought that "fringe" was a better name than

"queue" because it indicates what this is a collection of, rather than

how the collection is implemented.  Similarly, if you had a list of

employee names in a payroll problem, then "names" would probably be a

better variable name than "list".



-Peter Norvig



On Thursday, September 4, 2003, at 09:31  AM, Brandon Corfman wrote:



> The graph-search and tree-search algorithms in chapter 3 of the 2nd

> edition use a "fringe" variable to maintain the queue of nodes. Does

> anyone know why the word "fringe" is used to describe this? The 1st

> edition talked about a queue instead (actually, an "enqueue" function)

> and I thought that terminology was more straightforward. Does the word

> "fringe" have a more specific meaning than queue?

>

> Thanks,

> Brandon

>

>

The collection of nodes is a queue of nodes that are on the fringe of the graph -- fringe meaning the frontier, or the leaf nodes of the expanding graph. We thought that "fringe" was a better name than "queue" because it indicates what this is a collection of, rather than how the collection is implemented. Similarly, if you had a list of employee names in a payroll problem, then "names" would probably be a better variable name than "list".
-Peter Norvig
On Thursday, September 4, 2003, at 09:31 AM, Brandon Corfman wrote:

The graph-search and tree-search algorithms in chapter 3 of the 2nd
edition use a "fringe" variable to maintain the queue of nodes. Does
anyone know why the word "fringe" is used to describe this? The 1st
edition talked about a queue instead (actually, an "enqueue" function)
and I thought that terminology was more straightforward. Does the word
"fringe" have a more specific meaning than queue?
Thanks,
Brandon

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