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Published byLindsey Dalton Modified over 9 years ago
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Using Mobile data collection IDP Needs Assessment Survey in Serbia Using Mobile data collection Introduction Practical implementation
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Mobile data collection sytem Data collection component Prediction algorithms Prediction algorithms Reporting GIS Data Collection Data Collection Data Central users Information System Epidefender Introduction
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Mobile data collection sytem “Mobile data entry” vs “Paper forms” Time savings - eliminate the need for secondary data entry step Speed of transmission, Increased accuracy of data – no errors of omission Richer data (pictures, GPS) Built in business logic Limits: Initial training, Provision of phones Possible provision of airtime, Management of data capturers Resolution of system problems Stolen or lost handheld computers/devices Introduction
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Mobile data collection sytem Typical Functionalities Typed form fields (Text, Date, integer, numeric …) Field validation Field conditional visibility Data filtering Internationalized user interfaces Introduction
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Mobile data collection sytem 5/9 First generation of mobile data collection sytem Conversion of paper form into electronic form ->DATA COLLECTION and DATA ENTRY in a single phase Data are stored as XML (example : “Open Data Kit”) Limits of the 1 st Generation: No possibility to search No possibility to update No visualisation of what has been collected More a “data filling” system than a “data entry” system Introduction
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Mobile data collection sytem Portable information System The “2 nd generation” mobile data collection application: Data are stored in a local database (Example Epidefender) Offline/Online mode Bidirectionnal data synchronization Manual or automatic data synchronization Remote installation and update Create/Read/Update/Delete/Search forms User privileges management Alert sending Photo/Video/Sound acquisition Geographical coordinates acquisition Barcode acquisition/search Form/Wizard mode Introduction
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Mobile data collection sytem 7/9 Next step 1: Forms configuration The desing of the form may have to be adapted Skip logic, data validation process, Prefilled fields, Infobox Practical implementation
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Mobile data collection sytem 8/9 Next step 2: Infrastructure set up Looking at prices and availibility, choosing the data transfer system : Use of 3G plus a server on the web Use of Wifi plus a local server on a LAN Looking at requirement, choosing the type of system : Simple data collection (1 st Generation) Portable information system (2 nd Generation) Practical implementation
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Mobile data collection sytem 9/9 Next step 3: training & equipment Confirm the number of surveyors Train/Test the knowledge of surveyor for Mobile OS Procure enough devices Plan for external battery Practical implementation
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