Outline

1
Outline

• What were trying to do with ACT-R
• Random forager
• Model tracing
• Free-browsing?
• Considerations for ACT-R/Web interaction
• Solutions we considered
• How we made our decision
• Details of our implementation
• IE, COM, DOM, OLE, etc.

2
Factors to consider

• Platform
• Browser or not
• IF Browser (highly recommended), THEN
• Which browser?
• IE
• Netscape
• Other
• How to communicate with browser?

3
DIY in Lisp
LISP
ACT-R model
HTTP Get
HTML parser
4
Intermediary with FFCs
FFC or COM
COM
Lisp
5
Intermediary with text files
COM
Lisp
Text files
6
Direct to Browser
COM (a.k.a. OLE, Automation, ActiveX, etc.)
Lisp
7
Some sample Lisp code
(defparameter iWebBrowser2-iid (oleunique-guid
"D30C1661-CDAF-11D0-8A3E-00C04FC9E26E"))
(require ole) (require ole-dev) (olerequire-cl
ient-interfaces IConnectionPoint) (olestart-ole)
8
More sample Lisp code
(setq ietool (oleask-for-autotool ie-classid
oleCLSCTX_LOCAL_SERVER) (setq iecpi(olequery-int
erface ietool icpc-iid) (setq iecp
(olefind-connection-point iecpc dwbe2-iid))
9
Useful links

• www.microsoft.com/Mind/0898/dom.htm
• An older article, but explains basics
• msdn.microsoft.com
• Search on things like WebBrowser control,
  Internet Explorer objects, COM, etc.