// ~->[DNET-1]->~

// File created by someone at MonashUniv using Netica 2.06 on Jun 07, 2004 at 13:01:17.

bnet oil {
autoupdate = TRUE;
comment = "An influence diagram with decisions of whether to do seismic tests for oil, and whether to drill \
	for oil, in order to maximize profits. \n\
	Same as Oil_Wildcatter, but with some nodes absorbed ('summed out'). \n\
	In wide usage, but originally from Raiffa68.";
whenchanged = 1086577251;

visual V1 {
	defdispform = BELIEFBARS;
	nodelabeling = TITLE;
	NodeMaxNumEntries = 50;
	nodefont = font {shape= "Arial"; size= 10;};
	linkfont = font {shape= "Arial"; size= 9;};
	windowposn = (81, 54, 490, 422);
	resolution = 72;
	drawingbounds = (1104, 730);
	showpagebreaks = FALSE;
	usegrid = TRUE;
	gridspace = (6, 6);
	PrinterSetting A {
		margins = (1270, 1270, 1270, 1270);
		landscape = FALSE;
		magnify = 1;
		};
	};

node Oil {
	kind = NATURE;
	discrete = TRUE;
	states = (Dry, Wet, Soaking);
	parents = ();
	probs = 
		// Dry          Wet          Soaking      
		  (0.5,         0.3,         0.2);
	title = "Amount of Oil";
	whenchanged = 1086394118;
	belief = (0.5, 0.3, 0.2);
	visual V1 {
		center = (582, 264);
		height = 3;
		};
	};

node Structure {
	kind = NATURE;
	discrete = TRUE;
	states = (None, Open, Closed);
	parents = (Oil);
	probs = 
		// None         Open         Closed         // Oil     
		 ((0.6,         0.3,         0.1),          // Dry     
		  (0.3,         0.4,         0.3),          // Wet     
		  (0.1,         0.4,         0.5));         // Soaking ;
	title = "Seismic\nStructure";
	whenchanged = 1086394129;
	belief = (0.41, 0.35, 0.24);
	visual V1 {
		center = (348, 264);
		height = 6;
		};
	};

node Test {
	kind = DECISION;
	discrete = TRUE;
	chance = DETERMIN;
	states = (Do_test, No_test);
	parents = ();
	functable = 
		   No_test;
	title = "Test?";
	whenchanged = 1086394959;
	belief = (1, 0);
	visual V1 {
		center = (96, 90);
		height = 1;
		};
	};

node Result {
	kind = NATURE;
	discrete = TRUE;
	states = (None, Open, Closed, No_result);
	parents = (Test, Structure);
	functable = 
		                     // Test    Structure 
		 ((None,             // Do test None      
		   Open,             // Do test Open      
		   Closed),          // Do test Closed    
		  (No_result,        // No test None      
		   No_result,        // No test Open      
		   No_result));      // No test Closed    ;
	title = "Test Result";
	whenchanged = 1086394954;
	belief = (0.205, 0.175, 0.12, 0.5);
	visual V1 {
		center = (348, 150);
		height = 2;
		};
	};

node Drill {
	kind = DECISION;
	discrete = TRUE;
	chance = DETERMIN;
	states = (Drill, Dont_drill);
	parents = (Test, Result);
	functable = 
		                     // Test    Result    
		 ((Dont_drill,       // Do test None      
		   Drill,            // Do test Open      
		   Drill,            // Do test Closed    
		   Drill),           // Do test No result 
		  (Drill,            // No test None      
		   Drill,            // No test Open      
		   Drill,            // No test Closed    
		   Drill));          // No test No result ;
	title = "Drill?";
	visual V1 {
		center = (564, 90);
		height = 4;
		};
	};

node drillingcostvariable {
	kind = NATURE;
	discrete = TRUE;
	statetitles = ("low", "medium", "high");
	parents = ();
	probs = 
		// low          medium       high         
		  (0.2,         0.7,         0.1);
	title = "Variable cost of drilling";
	whenchanged = 1019830634;
	belief = (0.2, 0.7, 0.1);
	visual V1 {
		center = (792, 270);
		height = 7;
		};
	};

node Profit {
	kind = UTILITY;
	discrete = FALSE;
	measure = RATIO;
	chance = DETERMIN;
	parents = (Drill, Oil, Test, drillingcostvariable);
	functable = 
		                    // Drill      Oil     Test    drillingcostvariable 
		((((-50,             // Drill      Dry     Do test low                  
		    -60,             // Drill      Dry     Do test medium               
		    -80),            // Drill      Dry     Do test high                 
		   (-40,             // Drill      Dry     No test low                  
		    -50,             // Drill      Dry     No test medium               
		    -70)),           // Drill      Dry     No test high                 
		  ((70,              // Drill      Wet     Do test low                  
		    60,              // Drill      Wet     Do test medium               
		    40),             // Drill      Wet     Do test high                 
		   (80,              // Drill      Wet     No test low                  
		    70,              // Drill      Wet     No test medium               
		    50)),            // Drill      Wet     No test high                 
		  ((220,             // Drill      Soaking Do test low                  
		    210,             // Drill      Soaking Do test medium               
		    190),            // Drill      Soaking Do test high                 
		   (230,             // Drill      Soaking No test low                  
		    220,             // Drill      Soaking No test medium               
		    200))),          // Drill      Soaking No test high                 
		 (((-10,             // Dont drill Dry     Do test low                  
		    -10,             // Dont drill Dry     Do test medium               
		    -10),            // Dont drill Dry     Do test high                 
		   (0,               // Dont drill Dry     No test low                  
		    0,               // Dont drill Dry     No test medium               
		    0)),             // Dont drill Dry     No test high                 
		  ((-10,             // Dont drill Wet     Do test low                  
		    -10,             // Dont drill Wet     Do test medium               
		    -10),            // Dont drill Wet     Do test high                 
		   (0,               // Dont drill Wet     No test low                  
		    0,               // Dont drill Wet     No test medium               
		    0)),             // Dont drill Wet     No test high                 
		  ((-10,             // Dont drill Soaking Do test low                  
		    -10,             // Dont drill Soaking Do test medium               
		    -10),            // Dont drill Soaking Do test high                 
		   (0,               // Dont drill Soaking No test low                  
		    0,               // Dont drill Soaking No test medium               
		    0))));           // Dont drill Soaking No test high                 ;
	title = "Profit";
	whenchanged = 1086577251;
	visual V1 {
		center = (726, 30);
		height = 5;
		link 2 {
			path = ((636, 228), (684, 126), (696, 102), (708, 78), (723, 40));
			};
		link 3 {
			path = ((189, 78), (234, 72), (695, 32));
			};
		};
	};
ElimOrder = (drillingcostvariable, Oil, Structure, Drill, Result, Test);
};