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Journal : Proceeding SENDI_U

MODEL RUTE DAN PETA INTERAKTIF POSYANDU DI KOTA SEMARANG MENGGUNAKAN GEOLOCATION DAN HAVERSINE BERBASIS MOBILE ANDROID Naja Anwar, Sariyun; Nugroho, Isworo; Supriyanto, Edy
Proceeding SENDI_U 2015: SEMINAR NASIONAL MULTI DISIPLIN DAN CALL FOR PAPERS
Publisher : Proceeding SENDI_U

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Abstract

Users of mobile phones with android operating system is increasing from year to year as more affordable. Thisgives the potential use of mobile phones as a means of disseminating information. As the capital of Central Java,Semarang has a variety of health care facilities which include Posyandu is always used by the surroundingcommunity. However, not all locations Posyandu known by the public because they lack information about thelocation. It is necessary for the navigation application Posyandu in Semarang. The purpose of this research ishow to design the application model and the location of Posyandu in real time with the geolocation methods andformulas Haversine. The method used is the Systems Development Life Cycle. System analysis model using UseCase Diagrams, Activity Diagrams, Sequence Diagrams and Class Diagrams. Results of this research is theapplication of navigation map based on Android mobile can provide information about the existence of thelocation, route and distance Posyandu. Results of this application is important for people who need drivingdirections Posyandu location. With this application is expected the results will help the public to obtaininformation and the location of the neighborhood health center (posyandu) in the city of Semarang can be met;Keywords : posyandu, geolocation, mobile, haversine, android
MODIFIKASI NEW PDAC (PARALLEL ENCRYPTION WITH DIGIT ARITHMETIC OF COVER TEXT) Handoko, Widiyanto Tri; Ardhianto, Eka; Supriyanto, Edy
Proceeding SENDI_U 2020: SEMINAR NASIONAL MULTI DISIPLIN ILMU DAN CALL FOR PAPERS
Publisher : Proceeding SENDI_U

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Abstract

Teknik pengamanan data merupakan hal penting dalam proses enkripsi. Salah satu hal yang menjadikanpenting adalah aspek jumlah kapasitas data yang mampu diamankan. Semakin besar jumlah data yang dapatdiamankan maka akan lebih banyak informasi yang akan disembunyikan dari pihak yang tidak berhak. Tujuandari penelitian ini adalah bagaimana meningkatkan kapasitas penyembunyian informasi dengan menambahjumlah kunci dan meminimalkan stego kunci dalam New PDAC. Dalam penelitian ini pembangkitan kuncidigunakan operasi matematika penjumlahan, pengurangan, perkalian dan nilai maksimum dari kode ASCII stegokunci. Hasil dari penelitian ini adalah adanya peningkatan kapasitas informasi yang dapat diamankan denganmenggunakan satu stego kunci