In Canada, the BC Supreme Court ruled that screen scrapping real estate listings from one site and using them on another indeed infringed on copyright.  Not sure if this would cover your use -- but if you are coming from Canada, it might be something to consider.

Decision URL: http://www.canlii.org/en/bc/bcsc/doc/2011/2011bcsc1196/2011bcsc1196.html

Analysis from the Guardian: http://www.michaelgeist.ca/content/view/5996/125/


--TR


***************************
Terry Reese, Associate Professor
Gray Family Chair for 
Innovative Library Services
121 Valley Library
Corvallis, OR 97331
tel: 541.737.6384
***************************



-----Original Message-----
From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of Nate Hill
Sent: Sunday, October 02, 2011 7:23 PM
To: [log in to unmask]
Subject: [CODE4LIB] screen scraping

A question: what are the 'rules' around screen scraping?
If one site doesn't offer an RSS feed and you want to grab (for example) their weekly top ten list with a script and then redisplay it on another site, is that bad form?  Or even illegal?
Thanks-
Nate


--
Nate Hill
[log in to unmask]
http://www.natehill.net