Our findings from the recently concluded Interactive Voice-enabled alerting and situational reporting pilot revealed that Speech-To-Text and Text-To-Speech were impossible to apply with audio over low quality transmission networks (listen to this audio to get a sense how bad it can be). One could sample at much higher frequencies then that produces an extremely large mega byte file which may take hours to multi-cast; hence, not recommended for critical life-saving communications. Our conclusions drawn were mainly on the situational reporting functions. The U.S.
The P.800 Difficult Percentage (or Difficulty Score) is an International Telecommunications Union Standardization sector recommended method for testing transmission quality in one’s own laboratory. We adopted this method in our feasibility study to enable Freedom Fone for emergency data exchange. The project studied the design challenges for exchanging the Freedom Fone interactive voice data with the Sahana Disaster Management System. This entailed taking situational reports supplied by Sarvodaya Community Emergency Response Team (CERT) members in audible (or speech) forms and transforming them to text.
The usefulness and ease-of-use of interactive voice, with Freedom Fone, for Sarvodaya Community Emergency Response Team (CERT) members to supply incident information was blogged two weeks back. Now the question is “how is all that information put to use in responding to those incidents?”. In here we tell parts of that story. CERT members call one of the four telephone numbers to access Freedom Fone; then press the “reporting” menu item number on their phone keypad to record a “field observation report”.
We conducted controlled-exercises, with Lanka Jathika Sarvodaya Shramadana Sangamaya (Sarvodaya) Hazard Information Hub (HIH) Operators and Community Emergency Response Team (CERT) members. The HIH data center is in Moratuwa. The study using interactive voice, field tested the technology in Colombo, Matara, Nuwara-eliya, and Ratnapura Districts. Figure to the left shows an average ease-of-use of 3.95 and usefulness of 4.
We recently conducted a training and an exercise with Sarvodaya Community Emergency Response Team (CERT) members in Colombo, Matara, Nuwara-eliya, and Ratnpura Districts. This was an action of the feasibility study to enable Freedom Fone with voice-based emergency data exchange (FF4EDXL). The training involved exposing them to the Freedom Fone interactive voice response system. The exercise involved the participating CERT members using the Freedom Fone system to supply answers to a survey. Each response was recorded as an audio file (MP3) through the telephone call and stored in the FF system.
In our current emergency communication research aiming to enable interoperability between Freedom Fone and the Sahana Disaster Management System for disseminating Common Alerting Protocol messages and receiving Situational Reports over voice channels, we came a cross the situation where the 2N UMTS modem license had silently expired. During our silent-test this weekend, in preparation for a drill this week, we noticed that the license had abruptly expired. Unaware of the licensing dependency, the Sarvodaya Hazard Information Hub staff were scratching their heads trying to figure out what had happened. Even though the problem was identified, given that it is the weekend, getting any immediate support from the vendor is questionable. This project: FF4EDXL follows from LIRNEasia’s HazInfo and Biosurveillance research.
The “mobiles in support of Sentinel Site Surveillance (mS-cube)” project, following the success of the Real-Time Biosurveillance Program (RTBP), investigated the scalability and institutionalization issues. The mS-cube project was carried out in the Wayamba Province of Sri Lanka. The Infectious Disease Control (IDC) nurses, in the province, were given training on the “mHealthSurvey” mobile application and provided with mobile phones for submitting digitized all outpatient and inpatient health records. The findings are that the relatively older IDC nurses find it difficult to enter data with the mobile keypad and do not have an incentive to submit all patient records (i.e.
Why voice for Sarvodaya’s emergency communication? The experience from the 2011 Foods in Batticaloa and Ampara districts was that Sarvodaya was able to secure aid from various sources by providing the actual ground situation through their web portal. It had images and information of rescue operations, victims, camps, and the devastation. The images and stories came from Sarvodaya head office staff who were deployed to the area. They used cameras, phones, and the internet to relay the ground situation to the Hazard Information Hub (HIH).
Does this picture remind you of the default Windows XP desktop background? That’s what most of Mongolia looks like. Roughly 40% of the Mongolians live in Ulaanbaartar (UB). The rest are sparsely scattered in thinly populated communities in the vast open terrain. The cultures vary across the desert, meadows, and hills.
Shabbir Syed Abdul, is an academic we know; he’s of Indian origin but living in Taiwan; working with a team of Bioinformatics researchers at the National Yang Ming University. Him and his team have leveraged Facebook to engage the masses in getting their Health Minister to change health policy – “… Early on one of the members posted “Is there any use of these posts? Does our minister have time to read Facebook?” The Minister replied by posting “every message is read by me and my staff”. This modest gesture satisfied the emergency-room staff that their concerns were being taken seriously by the Department of Health, and further motivated them to engage in discussing the issue…“; The Lancet, Volume 377, Issue 9783, Click to read full story
“Often, most cases are suspected cases, with fewer confirmed cases. Patients with symptoms are asked to go for further tests, and this takes time. By the time a good number of confirmed cases are collected, the disease has spread rapidly. From a public health perspective, this is just not good enough. We need to catch it at the out-patient care level, restrict spread to clusters and deliver a cure before it grows into a wider geographical spread.
I had the opportunity attend the discussion by Tim Berners-Lee and Gordon Brown in Geneva, speak on the “future of the web“, a public lecture hosted by the Université de Genève, April 06, 2011. The two discussants didn’t have anything new to share; they were talking the same language of tapping in to the untapped through mobile phones; nothing new to LIRNEasia (see our Teleuse at the Bottom of the Pyramid studies). The WWW Foundation has realized the reach of the mobile phone to deliver the web to those 80% that have not yet been exposed. What we were more eager to hear was the defense on the claim that the “web is dead, long live the internet“. In defense – “No the web isn’t dead” with the success story pointing to the Wikipedia.
Those who know graphs theory are familiar with the “four color theorem“; an example being the world map (relaxed as a planar graph) can be colored with a minimum of four colors such that two countries sharing a border do not share the same color. Researchers at Queen Mary University of London use this theorem to color code cellular network base stations. The base stations are in abstract sense regarded as message Brokers (also termed as “Publisher Subscriber Message Oriented Middleware” – PSMOM) that channel the published message (SMS, Email, Voice packet, data packets, etc) to the Subscriber (or message recipient). Sometimes a subscriber and a publisher can be directly linked through a single broker or they may be linked through several intermediary brokers. The role of the Sahana Alerting Broker, essentially, is similar to that of a cellular base station; where decision-maker or decision-system published risk information is disseminated to the subscribers of the response systems in the form of public warnings or restricted and private alerts (also known as closed user group alerts typically applicable to first responders).
Fidelity of digitized data in the Real-Time Biosurveillance Program (RTBP) was not promising; especially with the personnel in Sri Lanka with no medical knowledge but technically capable were producing up to 45% noisy data (second stacked graph). On the contrary the medically trained but less fluent in mobile phone usage Indian nurses were less prone to producing noisy data. The Indian health workers had an incentive because the erroneous data would produce false alarms, and they would need to respond to these false alarms or it would portray a bad image of the health situation in their area; while the Sri Lanka data digitizing personnel had no incentive besides picking up a paycheck for the data entry work they did. The data was submitted through the mHealthSurvey mobile software that works on less expensive Java-enabled hand-helds. The RTBP envisions that hospital data is submitted each day; thus, the real-time expectations.
I just received my copy of the book: Biosruveillance methods and case studies edited by Taha Kass-Hout and Xiaohui Zhang. I first met Taha in cyberspace when he was with InSTEDD, we had started a Google group: Biosurveillance, which we use as a knowledge-base. Their approach to disease surveillance was through “event-based surveillance” and our approach was through “indicator-based surveillance” but both converging at finding signals for timely public health alerts that would advocate early control measures. We had contributed three chapters in the context of the Real-Time Biosurveillance Program pilot (RTBP) – Chapter 9: “The role of Data Aggregation in Public Health and Food Safety Surveillance” – Artur Dubrawski Chapter 13: “User Requirements towards a Real-Time Biosurveillance Program” – Nuwan Waidyanatha and Suma Prashant Chapter 14: “Using Common Alerting Protocol to Support a Real-Time Biosurveillance Program in India and Sri Lanka” – Gordon A. Gow and Nuwan Waidyanatha.
Findings from the Real-Time Biosurveillance Program was presented in the poster session at the mHealth Summit 2010 (Fig 1). Our partners from Auton Lab were creative in affixing an iPad to the poster to show a video of the working solution. Thanks to the marketing abilities of our friends from Auton Lab, our work caught the special attention of delegates from the Bill & Melinda Gates Foundation, Rockefeller Foundation, UN Foundation and several other global development agencies. The Gates Foundation’s video crew made an exclusive appearance to capture our poster content and interviewed Prof. Arutur Dubrawski, which made all others presenting their work a bit jealous.