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UtilityDecision.cpp
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1164 lines (919 loc) · 43.5 KB
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#include "UtilityDecision.h"
#include "Utility.h"
#include <time.h>
#include <math.h>
#include <sstream>
#include <iostream>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <algorithm>
#include <fstream>
#include <string>
#include <map>
#include <set>
double RandomBetween(double smallNumber, double bigNumber)
{
float diff = bigNumber - smallNumber;
return (((double) rand() / RAND_MAX) * diff) + smallNumber;
}
/**
* Get Event Type from History data - Each region would have its biasness for event type
* Here, we calculate probability of each event type (out of 4) for each region
* And, then the chosen event type is the most likely event type from history
*
**/
int getEventTypeFromHistory(double eventXPos, double eventYPos, int eventRegionRadius, int noOfRegions,
int **eventHistoryMat, int **jamEventHistoryMat, int **accidentEventHistoryMat,
int **rcEventHistoryMat, int **whEventHistoryMat)
{
int chosenEventType = 0;
double randProb = (double) rand()/RAND_MAX;
//std::cout<<"Here I am \n";
int regionXCor = eventXPos/eventRegionRadius;
int regionYCor = eventYPos/eventRegionRadius;
double noOfEvents = eventHistoryMat[regionXCor][regionYCor];
double noOfJams = jamEventHistoryMat[regionXCor][regionYCor];
double noOfAccidents = accidentEventHistoryMat[regionXCor][regionYCor];
double noOfRC = rcEventHistoryMat[regionXCor][regionYCor];
double noOfWH = whEventHistoryMat[regionXCor][regionYCor];
if(noOfEvents == 0)
return random(0,4);
std::map<double, int> probEventTypeMap;
probEventTypeMap[(double) floorf((noOfJams/noOfEvents) * 100) / 100] = 0;
probEventTypeMap[(double) floorf((noOfAccidents/noOfEvents)*1000)/1000] = 1;
probEventTypeMap[(double) floorf((noOfRC/noOfEvents)*10000)/10000] = 2;
probEventTypeMap[(double) floorf((noOfWH/noOfEvents) * 10)/10] = 3;
double totalProb = 0;
// if(isDebugMode == 7){
std::cout <<"\nEvent history as follows: \n";
// }
for (std::map<double, int>::reverse_iterator it=probEventTypeMap.rbegin(); it!=probEventTypeMap.rend(); ++it){
if(isDebugMode == 7){
std::cout <<"Event Type: "<< it->second << " => " << it->first << " Rand prob. "<<randProb<< " Tot prob. " << totalProb <<'\n';
}
totalProb += it -> first;
if(randProb <= totalProb){
chosenEventType = it->second;
break;
}
}
// if(isDebugMode == 7){
std::cout<<"Events: " <<noOfEvents<<" "<<" Jams: "<<noOfJams<<" Accidents: "<< noOfAccidents<<" Road Closures: "<<noOfRC<<" Weather Hazard: "<<noOfWH<<"\n\n";
//std::cout<<" Prob: " <<probJam<<" "<<probAccident<<" "<<probRC<<" "<<probWH<<"\n";
// }
return chosenEventType;
}
std::vector<Users> reportersWillReportsTheEvent(std::vector<Users> reportersInRange, int eventTypeId, int currentEpoch,
bool isTrueEvent, double probOfReportersReportingAnEvent, double probReportersWhoReportAnEventTypeTruly ){
//std::cout<<"Perc. Reporters who actually Report: "<< percOfReportersWhoReport<<"\n";
if(isDebugMode == 2){
std::cout <<"Randomly chosen reporters after learning : "<< "\n";
std::cout <<"-------------------------START: REPORTERS after learning-------------------------------\n";
}
int reportersCount = reportersInRange.size();
double otherEventType1_ReportPerc = RandomBetween(0, 1 - probReportersWhoReportAnEventTypeTruly);
double otherEventType2_ReportPerc = RandomBetween(0, 1 - probReportersWhoReportAnEventTypeTruly-otherEventType1_ReportPerc);
double otherEventType3_ReportPerc = 1-probReportersWhoReportAnEventTypeTruly-otherEventType1_ReportPerc - otherEventType2_ReportPerc;
// int countReportersWhoReportTrueEventType = reportersCount * percReportersWhoReportAnEventTypeTruly;
// int countReportersWhoReportOtherEventType1 = reportersCount * otherEventType1_ReportPerc;
// int countReportersWhoReportOtherEventType2 = reportersCount * otherEventType2_ReportPerc;
// int countReportersWhoReportOtherEventType3 = reportersCount * otherEventType3_ReportPerc;
// int noOfReportersReported = countReportersWhoReportTrueEventType + countReportersWhoReportOtherEventType1 + countReportersWhoReportOtherEventType2 + countReportersWhoReportOtherEventType3;
//if(isDebugMode == 7){
// std::cout<<reportersCount<<" #Reporters: "<<noOfReportersReported<<" P-reportE: "<<probOfReportersReportingAnEvent<<" P-reportETruly "<<probReportersWhoReportAnEventTypeTruly<<" "<<otherEventType1_ReportPerc<<" "<<otherEventType2_ReportPerc<<" "<<otherEventType3_ReportPerc<<"\n";
// }
int cntEligibleReporters = 0, cntNonEligibleReports = 0;
for(int i = 0; i < reportersInRange.size(); i++){
// if(reportersInRange[i].getUserId() == "H_LL_128" ){
// std::cout <<"User H_LL_128 - Score: " << reportersInRange[i].getScore() << "\n";
// }
if(reportersInRange[i].getScore() < 0)
{
cntNonEligibleReports++;
continue;
}
//The reports of reporters whose score is greater than 0 are only considered
Event anEvent;
//std::cout <<reportersCount<<" "<<countReportersWhoReportTrueEventType<<" "<<countReportersWhoReportOtherEventType1<<" "<<countReportersWhoReportOtherEventType2<<" "<<countReportersWhoReportOtherEventType3<<"\n";
double randNum = (double) rand()/RAND_MAX;
// std::cout << "User "<<user.getUserId()<< " "<<randNum<<"\n\n";
if(randNum <= probOfReportersReportingAnEvent){
double randEventTypeProb = (double) rand()/RAND_MAX;
if(randEventTypeProb <= probReportersWhoReportAnEventTypeTruly){
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
oss2 << eventTypeId;
std::string eventId = "";
if(isTrueEvent == true)
eventId = "T_"+ oss2.str()+"_"+oss1.str();
else
eventId = "F_"+ oss2.str()+"_"+oss1.str();
anEvent.setEventId(eventId);
anEvent.setEventTypeId(eventTypeId);
anEvent.setEpochNum(currentEpoch);
//For true event, we save false and vice versa
anEvent.setFalseEvent(!isTrueEvent);
//countReportersWhoReportTrueEventType--;
//std::cout <<eventTypeId<<" "<<currentEpoch<<"\n";
}
else if(randEventTypeProb <= probReportersWhoReportAnEventTypeTruly + otherEventType1_ReportPerc ){
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
int fakeEventId1 = -1;
if(eventTypeId == 0)
fakeEventId1 = 1;
else if(eventTypeId > 0)
fakeEventId1 = 0;
oss2 << fakeEventId1;
std::string eventId ="";
if(isTrueEvent)
eventId = "F_T_"+ oss2.str()+"_"+oss1.str();
else
eventId = "F_F_"+ oss2.str()+"_"+oss1.str();
anEvent.setEventId(eventId);
anEvent.setEventTypeId(fakeEventId1);
anEvent.setEpochNum(currentEpoch);
anEvent.setFalseEvent(true);
//countReportersWhoReportOtherEventType1--;
}
else if(randEventTypeProb <= probReportersWhoReportAnEventTypeTruly + otherEventType1_ReportPerc + otherEventType2_ReportPerc ){
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
int fakeEventId2 = -1;
if(eventTypeId == 2)
fakeEventId2 = 1;
else
fakeEventId2 = 2;
oss2 << fakeEventId2;
std::string eventId ="";
if(isTrueEvent)
eventId = "F_T_"+ oss2.str()+"_"+oss1.str();
else
eventId = "F_F_"+ oss2.str()+"_"+oss1.str();
anEvent.setEventId(eventId);
anEvent.setEventTypeId(fakeEventId2);
anEvent.setEpochNum(currentEpoch);
anEvent.setFalseEvent(true);
//countReportersWhoReportOtherEventType2--;
}
else{
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
int fakeEventId3 = -1;
if(eventTypeId == 3)
fakeEventId3 = 1;
else if(eventTypeId != 3)
fakeEventId3 = 3;
oss2 << fakeEventId3;
std::string eventId ="";
if(isTrueEvent)
eventId = "F_T_"+ oss2.str()+"_"+oss1.str();
else
eventId = "F_F_"+ oss2.str()+"_"+oss1.str();
anEvent.setEventId(eventId);
anEvent.setEventTypeId(fakeEventId3);
anEvent.setEpochNum(currentEpoch);
anEvent.setFalseEvent(true);
//countReportersWhoReportOtherEventType3--;
}
cntEligibleReporters++;
reportersInRange[i].addReportedEvent(anEvent);
reportersInRange[i].setMostRecentEvent(anEvent);
if(reportersInRange[i].getUserId() == "H_LL_128" ){
std::cout <<"Recent event Id: " << anEvent.getEventId() <<" " << reportersInRange[i].getMostRecentEvent().getEventId() <<" \n";
}
//current event and its other event types
certainEventList[anEvent.getEventTypeId()] = anEvent;
// std::cout<<"Certain Event List : " << anEvent.getEventTypeId()<<" "<< certainEventList[anEvent.getEventTypeId()].getEventId()<<"\n";
//std::cout<<"Certain Event List : " << anEvent.getEventTypeId()<<" "<< certainEventList[anEvent.getEventTypeId()].getEventId()<<"\n";
}
}
//noOfReportersReported -=(countReportersWhoReportTrueEventType + countReportersWhoReportOtherEventType1 + countReportersWhoReportOtherEventType2 + countReportersWhoReportOtherEventType3);
//if(isDebugMode == 7){
std::cout <<"Total reporters who reported : "<<cntEligibleReporters<<" Non Eligible: " << cntNonEligibleReports <<" Expected: " << reportersCount <<"\n";
//}
return reportersInRange;
}
std::vector<Users> getAllReportersInRange(std::vector<Users> allUsers){
std::vector<Users> reporters;
for(int i = 0; i < allUsers.size(); i++){
if(allUsers[i].checkIfUserIsReporter())
reporters.push_back(allUsers[i]);
}
return reporters;
}
std::vector<Users> getAllMalReportersInRange(std::vector<Users> allUsers){
std::vector<Users> malReporters;
for(int i = 0; i < allUsers.size(); i++){
if(allUsers[i].checkIfUserIsMalReporter())
malReporters.push_back(allUsers[i]);
}
return malReporters;
}
std::vector<Users> getAllSelfishReportersInRange(std::vector<Users> allUsers){
std::vector<Users> selReporters;
for(int i = 0; i < allUsers.size(); i++){
if(allUsers[i].checkIfUserIsSelfishReporter())
selReporters.push_back(allUsers[i]);
}
return selReporters;
}
/**
* Assume that a true event occurs in the given time epoch, then
*
*
**/
Event handleTrueEventAfterLearning(double probOfTrueEventOccurence[], int currentEpoch, Square eventSquare, Users users[],
int eventRegionRadius, int noOfRegions, int **eventHistoryMat, int **jamEventHistoryMat, int **accidentEventHistoryMat,
int **rcEventHistoryMat, int **whEventHistoryMat)
{
double randProb = (double) rand()/RAND_MAX;
Event trueEvent;
if(isDebugMode == 7){
std::cout <<"\n\nTry True event After Learning simulation " << randProb <<"\n";
}
//Event occured
if(randProb <= probOfTrueEventOccurence[currentEpoch])
{
if(isDebugMode == 2){
std::cout <<"----------------True event after learning occurs:------------------------------------- \n";
}
//Get the event location
Point eventLocation;
// std::cout <<" Event Square: " << eventSquare.getLl().getX() <<" "<<eventSquare.getUr().getX() <<"\n";
double xPos = random((int)eventSquare.getLl().getX(),(int) eventSquare.getUr().getX()) ;
double yPos =random((int)eventSquare.getLl().getY(), (int)eventSquare.getUr().getY()) ;
eventLocation.setX(xPos);
eventLocation.setY(yPos);
trueEvent.setEventLocation(eventLocation);
trueEvent.setEventWidth(eventWidth);
//Randomly assign event type
int eventTypeId = getEventTypeFromHistory(xPos, yPos, eventRegionRadius, noOfRegions, eventHistoryMat,
jamEventHistoryMat, accidentEventHistoryMat, rcEventHistoryMat, whEventHistoryMat );
// std::cout<<" Event type : " <<eventTypeId<<" \n";
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
oss2 << eventTypeId;
std::string eventId = "T_"+ oss2.str()+"_"+oss1.str();
//trueEvent.setEventId(eventId);
if(isDebugMode == 2){
std::cout <<"True Event ID : "<< eventId<<"\n";
std::cout <<"Event Type ID : "<< eventTypeId<<"\n";
std::cout <<"Event Location: "<< "("<<eventLocation.getX()<<", "<<eventLocation.getY()<<")" <<"\n";
std::cout <<"Event Width : "<< eventWidth<<"\n";
}
// std::cout<<"\n=============================\n";
// std::cout <<"True Event ID : "<< eventId<<"\n";
trueEvent.setEventId(eventId);
trueEvent.setEventTypeId(eventTypeId);
trueEvent.setEpochNum(currentEpoch);
trueEvent.setFalseEvent(false);
//update certain perc of Reporters in Range
std::vector<Users> usersInRange = getAllUsersInRange( users, eventLocation);
//Honest Users
std::vector<Users> reportersInRange = getAllReportersInRange(usersInRange);
std::vector<Users> malReportersInRange = getAllMalReportersInRange(usersInRange);
std::vector<Users> selfishReportersInRange = getAllSelfishReportersInRange(usersInRange);
// for(int i = 0; i < reportersInRange.size(); i++){
// std::cout << reportersInRange[i].getUserId() <<" ";
// }
if(isDebugMode == 7){
std::cout<<"Reporters count: Honest "<< reportersInRange.size()<<" Selfish "<<selfishReportersInRange.size()<<" Malicious "<< malReportersInRange.size()<<"\n";
std::cout<<"Honest\n";
}
reportersInRange = reportersWillReportsTheEvent(reportersInRange, eventTypeId, currentEpoch, true, probOfHonestReportersWhoReportTrueEvent, probOfHonestReportersReportTrueEventTruly);
if(isDebugMode == 7){
std::cout<<"Selfish\n";
}
selfishReportersInRange = reportersWillReportsTheEvent(selfishReportersInRange, eventTypeId, currentEpoch, true, probOfSelfishReportersWhoReportTrueEvent, probOfSelReportersReportTrueEventTruly);
if(isDebugMode == 7){
std::cout<<"Malicious\n";
}
malReportersInRange = reportersWillReportsTheEvent(malReportersInRange, eventTypeId, currentEpoch, true, probOfMalReportersWhoReportTrueEvent, probOfMalReportersReportTrueEventTruly);
//If no reporter reported, this event has not occured
if(reportersInRange.size() + selfishReportersInRange.size() + malReportersInRange.size() == 0){
Event dummyEvent;
dummyEvent.setEventId("INVALID");
return dummyEvent;
}
updateUsersWithReportedEvents(users, reportersInRange);
updateUsersWithReportedEvents(users, selfishReportersInRange);
updateUsersWithReportedEvents(users, malReportersInRange);
calculateAggregateReportsAndReputation(users, currentEpoch, trueEvent, true);
//calculateAggregateReputationForEachEventType(users, currentEpoch);
// for(int i =0; i < noOfUsers; i++){
// std::cout<<" User: " << users[i].getScore()<<"\n";
// }
int k = 0;
Event wronglyPerceivedEvents[4];
for(int i =0; i < noOfUsers; i++){
Event recentEvent = users[i].getMostRecentEvent();
bool found = false;
//check if array has the element
for (int j =0; j < 4; j++){
if(wronglyPerceivedEvents[j].getEventId() == recentEvent.getEventId()){
found = true;
break;
}
}
if(recentEvent.getEpochNum() == trueEvent.getEpochNum() && found == false && recentEvent.getEventId().find("T_")!= std::string::npos){
wronglyPerceivedEvents[k++] = recentEvent;
// std::cout <<" Event: " << recentEvent.getEventId()<<"\n";
}
}
//Rate the event
std::vector<Users> ratersInRange;
// if(simulationCase == 1 && eventLocation.getX() > areaSquare[0].getLl().getX() && eventLocation.getX() < areaSquare[0].getUr().getX()
// && eventLocation.getY() > areaSquare[0].getLl().getY() && eventLocation.getY() < areaSquare[0].getUr().getY()){
// //ask all raters in range to rate the event
// ratersInRange = certainPercOfRatersWillRate(usersInRange, trueEvent, percOfRaters);
// }
// else{
//ask all raters in range to rate the event
//}
if(isDebugMode == 7){
std::cout <<" Total number of perceived true events: " << k <<"\n";
}
//Push the updated trueEvent in the event list
for(int i = 0; i < k; i++){
if(isDebugMode == 7){
std::cout <<" Event " << wronglyPerceivedEvents[i].getEventId()<<"\n";
}
ratersInRange = ratersWillRate(usersInRange, wronglyPerceivedEvents[i]);
updateUsersWithRatedEvents(users, ratersInRange);
//missed before
wronglyPerceivedEvents[i].setEventLocation(trueEvent.getEventLocation());
allEvents.push_back(wronglyPerceivedEvents[i]);
}
//allEvents.push_back()
if(isDebugMode == 7){
// std::cout<<"Ratings for all Events: "<<"\n";
for(int i = 0; i < allEvents.size(); i++){
Event tEvent = allEvents[i];
// if(tEvent.getEpochNum() != trueEvent.getEpochNum()){
// continue;
// }
// std::cout <<"For True Event: "<< tEvent.getEventId()<<"\n";
// std::cout <<"Num +ve Ratings :" << tEvent.getNoOfPositiveRatings()<<std::endl;
// std::cout <<"Num of -ve Ratings :"<<tEvent.getNoOfNegativeRatings()<< "\n";
// std::cout <<"Num of Uncertain Ratings:"<<tEvent.getNoOfUncertainRatings()<<"\n\n";
}
}
}
return trueEvent;
}
Event handleFalseEventAfterLearning(double probOfFalseEventOccurence[], int currentEpoch, Square eventSquare, Users users[],
int eventRegionRadius, int noOfRegions, int **eventHistoryMat, int **jamEventHistoryMat, int **accidentEventHistoryMat,
int **rcEventHistoryMat, int **whEventHistoryMat)
{
double randProb = (double) rand()/RAND_MAX;
Event falseEvent;
if(isDebugMode == 7){
std::cout <<"\n\nTry False event After Learning simulation " << randProb <<"\n";
}
//Event occured
if(randProb <= probOfFalseEventOccurence[currentEpoch])
{
if(isDebugMode == 2){
std::cout <<"----------------False event after learning occurs:------------------------------------- \n";
}
//Get the event location
Point eventLocation;
double xPos = random((int)eventSquare.getLl().getX(),(int) eventSquare.getUr().getX()) ;
double yPos =random((int)eventSquare.getLl().getY(), (int)eventSquare.getUr().getY()) ;
eventLocation.setX(xPos);
eventLocation.setY(yPos);
falseEvent.setEventLocation(eventLocation);
falseEvent.setEventWidth(eventWidth);
//Randomly assign event type
// int eventTypeId = getEventTypeFromHistory(xPos, yPos, eventRegionRadius, noOfRegions, eventHistoryMat,
// jamEventHistoryMat, accidentEventHistoryMat, rcEventHistoryMat, whEventHistoryMat );
//Randomly assign event type
int eventTypeId = random(0,4);
if(isDebugMode == 7){
std::cout<<"Generated False Event type : " <<eventTypeId<<" \n";
}
std::ostringstream oss1, oss2;
oss1 << currentEpoch;
oss2 << eventTypeId;
std::string eventId = "F_"+ oss2.str()+"_"+oss1.str();
//trueEvent.setEventId(eventId);
if(isDebugMode == 2){
std::cout <<"False Event ID : "<< eventId<<"\n";
std::cout <<"Event Type ID : "<< eventTypeId<<"\n";
std::cout <<"Event Location: "<< "("<<eventLocation.getX()<<", "<<eventLocation.getY()<<")" <<"\n";
std::cout <<"Event Width : "<< eventWidth<<"\n";
}
std::cout<<"\n=============================\n";
std::cout <<"False Event ID : "<< eventId<<"\n";
falseEvent.setEventId(eventId);
falseEvent.setEventTypeId(eventTypeId);
falseEvent.setEpochNum(currentEpoch);
falseEvent.setFalseEvent(true);
//update certain perc of Reporters in Range
std::vector<Users> usersInRange = getAllUsersInRange( users, eventLocation);
std::vector<Users> reportersInRange = getAllReportersInRange(usersInRange);
std::vector<Users> malReportersInRange = getAllMalReportersInRange(usersInRange);
std::vector<Users> selfishReportersInRange = getAllSelfishReportersInRange(usersInRange);
if(isDebugMode == 7){
std::cout<<"Reporters count: Honest => "<< reportersInRange.size()<<" Sel => "<<selfishReportersInRange.size()<<" Mal => "<< malReportersInRange.size()<<"\n";
}
if(isDebugMode == 7){
//std::cout<<"Honest: probReportersReportingFalseEvent percEventTypeTruly otherEventType1 otherEventType2 otherEventType3\n";
std::cout<<"Honest\n";
}
//honest reporters will never report a false event
reportersInRange = reportersWillReportsTheEvent(reportersInRange, eventTypeId, currentEpoch, false, probOfHonestReportersWhoReportFalseEvent, probOfHonestReportersReportFalseEventTruly);
if(isDebugMode == 7){
//std::cout<<"Selfish: probReportersReportingFalseEvent percEventTypeTruly otherEventType1 otherEventType2 otherEventType3\n";
std::cout<<"Selfish\n";
}
selfishReportersInRange = reportersWillReportsTheEvent(selfishReportersInRange, eventTypeId, currentEpoch, false, probOfSelfishReportersWhoReportFalseEvent, probOfSelReportersReportFalseEventTruly);
if(isDebugMode == 7){
//std::cout<<"Malicous: probReportersReportingFalseEvent percEventTypeTruly otherEventType1 otherEventType2 otherEventType3\n";
std::cout<<"Malicious\n";
}
malReportersInRange = reportersWillReportsTheEvent(malReportersInRange, eventTypeId, currentEpoch, false, probOfMalReportersWhoReportFalseEvent, probOfMalReportersReportFalseEventTruly);
if((reportersInRange.size() + selfishReportersInRange.size() + malReportersInRange.size()) == 0){
Event dummyEvent;
std::cout <<"None of the reporters reported: " << falseEvent.getEventId() <<"\n";
dummyEvent.setEventId("INVALID");
return dummyEvent;
}
updateUsersWithReportedEvents(users, reportersInRange);
updateUsersWithReportedEvents(users, selfishReportersInRange);
updateUsersWithReportedEvents(users, malReportersInRange);
std::cout <<"Reporters size: " << reportersInRange.size() <<" " << selfishReportersInRange.size() <<" "<<malReportersInRange.size()<< " \n ";
//allEvents.push_back(falseEvent);
//calcuate reports and reputation for each event type based on honest users in the range
calculateAggregateReportsAndReputation(users, currentEpoch, falseEvent, false);
//Now add all the wrongly perceived event types to the event list as well
int k = 0;
Event wronglyPerceivedEvents[4];
for(int i =0; i < noOfUsers; i++){
Event recentEvent = users[i].getMostRecentEvent();
bool found = false;
//check if array has the element
for (int j =0; j < 4; j++){
if(wronglyPerceivedEvents[j].getEventId() == recentEvent.getEventId()){
found = true;
break;
}
}
if(recentEvent.getEpochNum() == falseEvent.getEpochNum() && found == false &&
recentEvent.getEventId().find("T_") == std::string::npos &&
recentEvent.getEventId().find("F_") != std::string::npos){
wronglyPerceivedEvents[k++] = recentEvent;
// std::cout <<" ========== FOund Event: " << recentEvent.getEventId()<<"\n";
}
}
// std::cout <<"Size: " << (sizeof(wronglyPerceivedEvents)/sizeof(wronglyPerceivedEvents[0])) <<" K " << k << "\n";
//Since, it is the testing phase, it may so happen that no reporter (with score >= 0) reported the event.
if(k == 0){
k++;
wronglyPerceivedEvents[0] = falseEvent;
}
//Rate the event
std::vector<Users> ratersInRange;
if(isDebugMode == 7){
std::cout <<" Total number of perceived false events: " << k <<"\n";
}
//Push the updated False Event in the event list
for(int i = 0; i < k; i++){
if(isDebugMode == 7){
std::cout <<" False Event " << wronglyPerceivedEvents[i].getEventId()<<"\n";
}
ratersInRange = ratersWillRate(usersInRange, wronglyPerceivedEvents[i]);
updateUsersWithRatedEvents(users, ratersInRange);
//missed before
wronglyPerceivedEvents[i].setEventLocation(falseEvent.getEventLocation());
allEvents.push_back(wronglyPerceivedEvents[i]);
//falseEvent = wronglyPerceivedEvents[i];
}
//allEvents.push_back()
//if(isDebugMode == 7){
// std::cout<<"Ratings for all Events: "<<"\n";
// for(int i = 0; i < allEvents.size(); i++){
// Event tEvent = allEvents[i];
// if(tEvent.getEpochNum() == falseEvent.getEpochNum() &&
// tEvent.getEventId().find("T_") == std::string::npos &&
// tEvent.getEventId().find("F_") != std::string::npos){
// std::cout <<"For False Event: "<< tEvent.getEventId()<<"\n";
// std::cout <<"Num +ve Ratings :" << tEvent.getNoOfPositiveRatings()<<std::endl;
// std::cout <<"Num of -ve Ratings :"<<tEvent.getNoOfNegativeRatings()<< "\n";
// std::cout <<"Num of Uncertain Ratings:"<<tEvent.getNoOfUncertainRatings()<<"\n\n";
// }
// }
//}
}
return falseEvent;
}
/**
* Calculate aggregate reports and reputation of all users that reported the most recent event
*
**/
void calculateAggregateReportsAndReputation(Users users[], int currentEpoch, Event event, bool isTrueEvent){
int countReportsJam = 0;
int countReportsAccident = 0;
int countReportsRC = 0;
int countReportsWH = 0;
double countUserReputationJam =0;
double countUserReputationAccident = 0;
double countUserReputationRC = 0;
double countUserReputationWH = 0;
int count =1;
for(int i =0; i < noOfUsers; i++){
// This is not from history. Its the most recent one.
Event recentEvent = users[i].getMostRecentEvent();
//current epoch makes sure that its always the current input event since we only consider one event per epoch
if(!users[i].checkIfUserIsRater() && recentEvent.getEpochNum() == currentEpoch &&
((isTrueEvent == true && recentEvent.getEventId().find("T_")!= std::string::npos) ||
(isTrueEvent == false && recentEvent.getEventId().find("T_")== std::string::npos &&
recentEvent.getEventId().find("F_")!= std::string::npos))){
//These conditions are important to make sure that for a false event, only reports for that false event are considered and so on.
//std::cout<<(count)<<" Recent event at user: "<<users[i].getUserId()<<" => "<<recentEvent.getEventId()<<" "<<recentEvent.getEventTypeId()<<"\n";
count+= 1;
if(recentEvent.getEventTypeId() == 0 && users[i].getScore() >= 0){
countReportsJam++;
countUserReputationJam += users[i].getScore();
}
else if(recentEvent.getEventTypeId() == 1 && users[i].getScore() >= 0 ){
countReportsAccident++;
countUserReputationAccident += users[i].getScore();
}
else if(recentEvent.getEventTypeId() == 2 && users[i].getScore() >= 0){
countReportsRC++;
countUserReputationRC += users[i].getScore();
}
else if(recentEvent.getEventTypeId() == 3 && users[i].getScore() >= 0){
countReportsWH++;
countUserReputationWH +=users[i].getScore();
}
// std::cout<< "Recent Event " <<users[i].getUserId()<<" "<<recentEvent.getEventId()<<" "<<recentEvent.getEventTypeId()<<" "<<recentEvent.getEpochNum()<<"\n";
}
}
aggregatedReports[0] = countReportsJam;
aggregatedReports[1] = countReportsAccident;
aggregatedReports[2] = countReportsRC;
aggregatedReports[3] = countReportsWH;
aggregatedReputation[0] = countUserReputationJam;
aggregatedReputation[1] = countUserReputationAccident;
aggregatedReputation[2] = countUserReputationRC;
aggregatedReputation[3] = countUserReputationWH;
if(isDebugMode == 7){
// std::cout<<"After "<<aggregatedReports[0]<<" "<<countReportsJam<<"\n";
std::cout<<"Agg. Reports - Jam: " <<countReportsJam<<" Accident: "<<countReportsAccident<<" RC: "<<countReportsRC<<" WH: "<<countReportsWH<<"\n";
std::cout<<"Agg. Reputation - Jam: " <<countUserReputationJam<<" Accident: "<< countUserReputationAccident<<" RC: "<< countUserReputationRC<<" WH: "<<countUserReputationWH<<"\n";
}
}
/**
* get the history of occurence of each true event (out of 4 possible events) in each region
*
**/
void getEventHistoryInEachRegion(int currentEpoch, int eventRegionRadius, int noOfRegions, int **eventHistoryMat, int **jamEventHistoryMat, int **accidentEventHistoryMat, int **rcEventHistoryMat, int **whEventHistoryMat){
//Clean the matrices
for(int i = 0; i < noOfRegions + 1; i++){
for(int j = 0; j < noOfRegions + 1; j++){
eventHistoryMat[i][j] = 0;
jamEventHistoryMat[i][j] = 0;
accidentEventHistoryMat[i][j] =0;
rcEventHistoryMat[i][j] = 0;
whEventHistoryMat[i][j] = 0;
}
}
std::cout <<"Event Size: " << allEvents.size()<<"\n";
for(int i = 0; i < allEvents.size(); i++)
{
//std::cout <<"Event: " <<allEvents[i].getEventId() <<" ";
int curX = (allEvents[i].getEventLocation().getX()/eventRegionRadius);
int curY = (allEvents[i].getEventLocation().getY()/eventRegionRadius);
if(allEvents[i].getQOI() >= 0.5)
eventHistoryMat[curX][curY]++;
if(allEvents[i].getEventId().find("_0_") != std::string::npos){
if(allEvents[i].getQOI() >= 0.5)
jamEventHistoryMat[curX][curY]++;
}
if(allEvents[i].getEventId().find("_1_") != std::string::npos){
if(allEvents[i].getQOI() >= 0.5)
accidentEventHistoryMat[curX][curY]++;
}
if(allEvents[i].getEventId().find("_2_") != std::string::npos){
if(allEvents[i].getQOI() >= 0.5)
rcEventHistoryMat[curX][curY]++;
}
if(allEvents[i].getEventId().find("_3_") != std::string::npos){
if(allEvents[i].getQOI() >= 0.5)
whEventHistoryMat[curX][curY]++;
}
if(isDebugMode == 7){
if(allEvents[i].getEpochNum() >= currentEpoch - 1)
std::cout<<" History Events: " << curX <<" "<< curY <<" "<<allEvents[i].getEventLocation().getX() <<" "<<allEvents[i].getEventLocation().getY()<<" " <<" "<<allEvents[i].getEventId()<<" "<<" "<<allEvents[i].getQOI()<<" "<<eventHistoryMat[curX][curY]<<" "<<jamEventHistoryMat[curX][curY]<<" "<<accidentEventHistoryMat[curX][curY]<<" "<<rcEventHistoryMat[curX][curY]<<" "<<whEventHistoryMat[curX][curY]<<" \n";
}
}
}
// double getReportsConfidence(Event event, int eventTypeId){
// double reportConfidence = 0;
// int N = aggregatedReports[eventTypeId];
// if(aggregatedReports[eventTypeId] <= noOfReportsThresLow){
// reportConfidence = exp(-reportShapeParamB * exp(- reportScaleParamC * N));
// }
// else if(aggregatedReports[eventTypeId] >= noOfReportsThresHigh){
// reportConfidence = exp(- pow((N - noOfReportsThresHigh), reportVarphiParam));
// }
// else{
// reportConfidence = 1;
// }
// //std::cout<<"The aggregate Report confidence for event type: " << eventTypeId<<" "<<reportConfidence<<" N: "<< N<<"\n";
// return aggregatedReports[eventTypeId];
// }
// double getReputationConfidence(Event event, int eventTypeId){
// double reputationConfidence = 0;
// double R = aggregatedReputation[eventTypeId];
// //std::cout<<"The aggregate reputation for event type: " << eventTypeId<<" "<<R<<"\n";
// reputationConfidence = exp(- reputationShapeParamB * exp(- reputationScaleParamC * R ));
// return reputationConfidence;
// }
void computeConfidenceForEventK(Users users[], Event event){
double totalReportsForEventK = 0, expectedReportsForEventK = 0;
double totalReputationForEventK = 0, expectedReputationForEventK = 0;
//update certain perc of Reporters in Range
std::vector<Users> usersInRange = getAllUsersInRange( users, event.getEventLocation());
for(int i = 0; i < usersInRange.size(); i++){
if(!usersInRange[i].checkIfUserIsRater() && usersInRange[i].getScore() > 0){
expectedReportsForEventK++;
expectedReputationForEventK += usersInRange[i].getScore();
}
}
std::cout <<"Expected Reports: " << expectedReportsForEventK << "\n";
for(int i = 0; i < 4; i++){
totalReportsForEventK += aggregatedReports[i];
totalReputationForEventK += aggregatedReputation[i];
}
for(int i =0; i <4; i++){
//std::cout <<"COndition: " << (aggregatedReports[i]/expectedReportsForEventK) <<"\n";
// && (aggregatedReputation[i]/totalReputationForEventK) < fracOfActualReportersReputationThres
if((aggregatedReports[i]/expectedReportsForEventK) < fracOfActualReportersThres)
eventConfidence[i] = 0;
else
eventConfidence[i] = weightReport * (aggregatedReports[i]/expectedReportsForEventK) + (1 - weightReport) * (aggregatedReputation[i]/expectedReputationForEventK);
if(isDebugMode == 6 || isDebugMode == 8){
std::cout <<"Reports: " << aggregatedReports[i] <<" Expected: " <<expectedReportsForEventK <<" Frac: " << (aggregatedReports[i]/totalReportsForEventK) << " Rep: "<< aggregatedReputation[i] <<" Tot: "<< totalReputationForEventK<<" Frac: "<<(aggregatedReputation[i]/totalReputationForEventK) << "\n";
}
}
if(isDebugMode == 7){
std::cout<<"\n=============================\n";
}
}
void computeUtilityEventConfidenceForEventK(Users users[], Event event){
for(int i = 0; i < 4; i++){
if(eventConfidence[i] >= 0.5)
utilityEventConfidence[i] = pow((eventConfidence[i] - 0.5), eventTheta);
else
//utilityEventConfidence[i] = -eventLambda * (-1 * pow(eventConfidence[i], eventPhi));
utilityEventConfidence[i] = -1 * eventLambda * pow((0.5 - eventConfidence[i]), eventPhi);
//utilityEventConfidence[i] = pow((eventConfidence[i]), eventPhi);
}
}
void computeProspectProbabilityOfEventK(int eventRegionRadius, int noOfRegions, Event event, int **eventHistoryMat,
int **jamEventHistoryMat, int **accidentEventHistoryMat, int **rcEventHistoryMat, int **whEventHistoryMat)
{
double eventXPos = event.getEventLocation().getX();
double eventYPos = event.getEventLocation().getY();
int regionXCor = eventXPos/eventRegionRadius;
int regionYCor = eventYPos/eventRegionRadius;
double noOfEvents = eventHistoryMat[regionXCor][regionYCor];
double noOfJams = jamEventHistoryMat[regionXCor][regionYCor];
double noOfAccidents = accidentEventHistoryMat[regionXCor][regionYCor];
double noOfRC = rcEventHistoryMat[regionXCor][regionYCor];
double noOfWH = whEventHistoryMat[regionXCor][regionYCor];
if(noOfEvents == 0)
{
for(int i = 0; i < 4; i++){
probEventType[i] = 0.25;
}
}
else{
//double probEventType[4];
probEventType[0] = noOfJams/noOfEvents;
probEventType[1] = noOfAccidents/noOfEvents;
probEventType[2] = noOfRC/noOfEvents;
probEventType[3] = noOfWH/noOfEvents;
}
for(int i = 0; i < 4; i++){
prospectProbEventType[i] = pow(probEventType[i], eventDelta)/pow(((pow(probEventType[i], eventDelta)) + pow((1 - probEventType[i]), eventDelta)), (1/eventDelta));
}
//std::cout<<"Events: " <<noOfEvents<<" "<<" Jams: "<<noOfJams<<" Accidents: "<< noOfAccident<<" Road Closures: "<<noOfRC<<" Weather Hazard: "<<noOfWH<<"\n";
//std::cout<<" Prob: " <<probJam<<" "<<probAccident<<" "<<probRC<<" "<<probWH<<"\n";
}
double computeWeightOfProb(double p, int errorType){
double eventDeltaNeg = 0.69;
double pi = 0;
if(errorType == 1 || errorType == 4)
pi = pow(p, eventDelta)/pow(((pow(p, eventDelta)) + pow((1 - p), eventDelta)), (1/eventDelta));
else
pi = pow(p, eventDeltaNeg)/pow(((pow(p, eventDeltaNeg)) + pow((1 - p), eventDeltaNeg)), (1/eventDeltaNeg));
return pi;
}
double computeUtilityOfConfidence(double c){
double u = 0;
if(c >= 0.5)
u = pow(c, eventTheta);
else
//utilityEventConfidence[i] = -eventLambda * (-1 * pow(eventConfidence[i], eventPhi));
u = -1 * eventLambda * pow((0.5 - c), eventPhi);
//utilityEventConfidence[i] = pow((eventConfidence[i]), eventPhi);
return u;
}
void shouldPublishEventK_NEW2(double publishThresPerc, Event event, bool isTrueEvent){
double sumPublishProspect = 0, sumPublishEUT = 0;
double cost[4] = {2, -1, -1, 1};
// double cost[4] = {1, -2, -1, 1};
// double cost[4] = {1, -1, -2, 1};
// double cost[4] = {1, -1, -1, 1};
double max = -99999, EUT_max = -99999;
int k = -1, EUT_k = -1; //chosenEventType
//Get chosen Event Type - What event to publish
for(int i = 0; i < 4; i++){
if(max < utilityEventConfidence[i]){
max = utilityEventConfidence[i];
k = i;
}
}
//CPT
if(utilityEventConfidence[k] <= 0 || computeUtilityOfConfidence(eventConfidence[k]) <= 0){
toBePublishedTrueEvents[event.getEventId()] = "NOT_PUB";
//toBePublishedTrueEvents2[event] = "NOT_PUB";
event.setEventCPTPublish("NOT_PUB");
}
else{
std::cout <<"Chosen Event Type: " << k <<" Prob " << computeWeightOfProb(probEventType[k], 1) << " Utility: " << computeUtilityOfConfidence(eventConfidence[k]) <<" Confidence: " << eventConfidence[k]<<"\n";
// Whether to publish
// sumPublishProspect = (cost[0] * computeWeightOfProb(probEventType[k], 1) * utilityEventConfidence[k]) +
// (cost[1] * computeWeightOfProb(1 - probEventType[k], 2) * (utilityEventConfidence[k])) +
// (cost[2] * computeWeightOfProb(probEventType[k], 3) * (1 - utilityEventConfidence[k])) +
// (cost[3] * computeWeightOfProb(1 - probEventType[k], 4) * (1 - utilityEventConfidence[k]));
sumPublishProspect =
(
(cost[0] * computeWeightOfProb(probEventType[k], 1) * computeUtilityOfConfidence(eventConfidence[k])) +
(cost[1] * computeWeightOfProb(1 - probEventType[k], 2) * computeUtilityOfConfidence(eventConfidence[k]))
) -
(
(cost[2] * computeWeightOfProb(probEventType[k], 3) * computeUtilityOfConfidence(1 - eventConfidence[k])) +
(cost[3] * computeWeightOfProb(1 - probEventType[k], 4) * computeUtilityOfConfidence(1 - eventConfidence[k]))
);
// std::cout<<"Case 1: " <<computeWeightOfProb(probEventType[k], 1) <<" "<<computeUtilityOfConfidence(eventConfidence[k])<<"\n";
// std::cout<<"Case 2: " <<computeWeightOfProb(1 - probEventType[k], 2) <<" "<<computeUtilityOfConfidence(eventConfidence[k])<<"\n";
// std::cout<<"Case 3: " <<computeWeightOfProb(probEventType[k], 3) <<" "<<computeUtilityOfConfidence(1 - eventConfidence[k])<<"\n";
// std::cout<<"Case 4: " <<computeWeightOfProb(1 - probEventType[k], 4) <<" "<<computeUtilityOfConfidence(1 - eventConfidence[k])<<"\n";
std::cout <<"Sum Publish Prospect: " << sumPublishProspect <<"\n";
//std::cout <<"Chosen event type: " << k<<" " <<"\n";
if(event.getEventId().find("T_")!= std::string::npos
&& event.getEventId().find("F_T") == std::string::npos
&& k == event.getEventTypeId()
&& utilityEventConfidence[k] >= 0
&& sumPublishProspect > 0
){
toBePublishedTrueEvents[event.getEventId()] = "PUB";
//toBePublishedTrueEvents2[event] = "PUB";
event.setEventCPTPublish("PUB");
std::cout <<"PT PUBLISH TRUE EVENT: " << event.getEventId()<<" " << event.getEventTypeId()<<" " << event.getEventCPTPublish() <<"\n\n";
}
else if(event.getEventId().find("F_")!= std::string::npos
/* && event.getEventId().find("F_T") == std::string::npos */
&& k == event.getEventTypeId()
&& utilityEventConfidence[k] >= 0
&& sumPublishProspect > 0
){