Incorporating Social Contribution Features in M-Urgency

Final Project PresentationCMSC 838C: Social Computing

by

Shivsubramani Krishnamoorthy

Dec 12th,2011

M-Urgency

• Next-Gen Public Safety System– Redefining how emergency calls are made to PSAP– Audio, Video, real time location and other contextual

information• E-911 call (Through SIP) + Video• Real time location – Google map• Personal information + special needs

• Three main components– Caller application– Dispatcher application– Responder application

M-Urgency

Flash Media Server

Flash Media Gateway

Audio/VideoLocation

Audio

Video

SIP Call(E-911)

Location

VideoLocation

Caller

Dispatcher

Responder

Technologies• Adobe Flash Media Server• Adobe Flash Media Gateway• Adobe Flex Framework• Android (>2.2) & iPhone

M-Urgency Server

Social Contribution

How can users in near vicinity of an incident help?

HELP!!!!!!!!!

Social Contribution

• Effective in situations:– Immediate assistance• Medical • Mugging/theft

– Multiple views• Fire• Accident• Traffic

Experimental Study - Initial

• Initial Level Study– How is the idea welcomed?– Informal interview/interaction to understand concerns

• People– 6 students

• 100% positive response.• No specific concerns

– 2 Dispatchers (UMPD)• Welcomed the idea• Bit hesitant in adopting new technologies

– UMPD IT personnel• Did not welcome the idea, though appreciated it.• Concerns regarding 911 standards• Security/privacy concerns

Experimental Study - Detailed

• Participants– UMPD set up a test group of 38

• UMPD employees and auxiliaries– Students and staff

• Design1. A provision to opt in • Option to opt in• Very short questionnaire• Though email.

2. Feedback logging system for every call• Questionnaire

Experimental Study - Results

• Opt-in provision– 26 responded• 79% - Always• 11% - Depends on situation• 7% - Would not risk• 1 person - other (disability)

– No specific concerns reported• 8 expressed slight concern about privacy• But were comfortable with dispatcher initiating the

process

Opt-in ProvisionDescription :

<………………………………..>

Opt in for social contribution: Yes/No

Willingness:AlwaysDepends on the situationOnly if desperate needWould not risk.Other – please specify.

Concerns:SecurityPrivacyBenefitsOthers – please specify

Experimental Study

• Participants requested to make at least one call per day (Mon – Thu)

• Dispatchers requested to attempt to find another user in vicinity– Simple questions/tasks• Weather/traffic/crowd etc.• Did you see something?• Requesting to meet other caller etc.

Caller’s LogInitiated a callOverall experience : Pos/Neu/NegAudio Quality:Video Quality:......…..….…...

Invited to the callSituation to accept the call: Good/Bad/NeutralBurden? Yes/No/NeutralSecurity/Privacy issues?

Dispatcher’s LogUsual QuestionsOverall experience : Pos/Neu/NegAudio Quality:Video Quality:......…..….

Invited Callers?Callers available in vicinity?Callers accepted call?Callers receptive to questions/tasks?Satisfying answer/tasks? Other issues/ incidents to report?

Experimental Study - Results

• 86 calls received– 16 with other callers in vicinity

• 12 answered, 4 ignored

• Dispatcher’s log– Callers receptive to questions/tasks – 100%– Satisfying response – 71%– Handling additional users became an overhead – 12%– Other issues (network/audio/video quality)– 26%– Grouping never performed

• Caller’s log– Two of them reported that they were busy when invited– Overall feedback positive– No specific negative feedback to highlight

• One special incident reported– Actual caller lost connection and second caller reached out.

M-Urgency