Results 11 to 20 of about 114,205 (258)
Background In DSM-5 activity is a core criterion for diagnosing hypomania and mania. However, there are no guidelines for quantifying changes in activity.
Sharleny Stanislaus +7 more
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A 3‐D hand gesture signature based biometric authentication system for smartphones [PDF]
AbstractThe authentication mechanism being equipped in most of the smartphones, by detecting a 4‐digit password or a simple pattern, are easy to be hacked and impersonated. In this paper, a 3‐D hand gesture signature (HGS) based biometric authentication system is designed and implemented by taking advantage of the on‐phone accelerometer to capture the ...
Ziwen Sun +3 more
openaire +1 more source
The purpose of this study was to use item response theory to assess a brief measure of problematic smartphone use among high school students, using the 2017-18 California Student Tobacco Survey (CSTS) collected from 119,981 students who own a smartphone ...
Scott I. Donaldson +2 more
doaj +1 more source
Android Kötücül Yazılım Tespit Sistemleri İncelemesi
Akıllı telefonların hayatımıza girmesiyle birlikte akıllı telefonları kullanan kullanıcı sayısı her geçen gün artarak devam etmektedir. Akıllı telefonların fazla talep görmesindeki neden, insanların bir cihazla istedikleri işleri tek dokunuşla kolaylıkla
Ömer KİRAZ, İbrahim Alper DOĞRU
doaj +4 more sources
Penentuan Aspek yang Berpengaruh Terhadap Produk Smartphone Berdasarkan Ulasan Berbasis Tekstual
With the rapid development of new technologies in smartphones, understanding market trends has become an increasingly difficult task. In these circumstances, online product reviews that can reflect consumer sentiment about the product has been a concern ...
Hetthroh Sagala, Hapnes Toba
doaj +1 more source
Data Keminfo yang mengelompokkan komposisi usia, persentase pengguna smartphone yang termasuk kategori usia anak-anak di Indonesia cukup tinggi, yaitu sekitar dari 36 % anak usia 3-10 tahun diproyeksikan menggunakan ponsel pintar pada tahun 2018 ...
Agustina Agustina, Hermansyah Hermansyah
doaj +1 more source
Temporal Stability of Smartphone Use Data: Determining Fundamental Time Unit and Independent Cycle
BackgroundAssessing human behaviors via smartphone for monitoring the pattern of daily behaviors has become a crucial issue in this century. Thus, a more accurate and structured methodology is needed for smartphone use research.
Pan, Yuan-Chien +4 more
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SEMA3: A Free Smartphone Platform for Daily Life Surveys
Traditionally, behavioral, social, and health science researchers relied on global/retrospective survey methods administered cross-sectionally (i.e., on a single occasion) or longitudinally (i.e., on several occasions separated by weeks, months, or years).
Sarah T. O’Brien +10 more
openaire +5 more sources
Smartphone-based spectroscopy as a tool to estimate soil attributes for the citizen science concept
This study explores the potential of using smartphone cameras to estimate soil attributes as a field-based alternative to traditional sampling and lab analyses that are time-consuming, expensive, and non-friendly to the environment.
Sharad Kumar Gupta +5 more
doaj +1 more source
A low-cost 3-D printed smartphone add-on spectrometer for diagnosis of crop diseases in field [PDF]
We present our initial proof of concept study towards the development of a low-cost 3-D printed smartphone add-on spectrometer. The study aimed at developing a cheap technology (less than 5 USD) to be used for detection of crop diseases in the field using spectrometry.
Godliver Owomugisha +5 more
openaire +2 more sources

