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Aiti: Jurnal Teknologi Informasi
Published by Universitas Kristen Satya Wacana
ISSN : 16938348     EISSN : 26157128     DOI : https://doi.org/10.24246/aiti
Core Subject : Science,
Computer Science & IT
AITI: Jurnal Teknologi Informasi is a peer-review journal focusing on information system and technology issues. AITI invites academics and researchers who do original research in information system and technology, including but not limited to: Cryptography Networking Internet of Things Big Data Data Science Software Engineering Information System Web Programming Mobile Application Service System Artificial Intelligence Digital Image Processing Machine Learning Deep Learning Geographic Information System Context Aware System Management Information System Software-defined Network
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 93 Documents
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Clustering Graf dengan Algoritma Rantai Markov Theophilus Wellem; Yessica Nataliani
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Graph clustering is the task of grouping the vertices of the graph into clusters taking into consideration the edge structure of the graph in such a way that there should be many edges within each cluster and relatively few between the clusters. The objective of this paper is to apply Markov clustering algorithm. Two examples are used to demonstrate the algorithm. In the first example, simple graph is presented to illustrate the computation of this algorithm. While the second example is to study the hosts’ interaction behavior using graph clustering algorithm. The Markov clustering algorithm is used to group (cluster) hosts which have interaction using the HTTP protocol. Using real network traces, the clustering results show that the algorithm successfully group the hosts to their corresponding clusters.
Penggunaan Situs E-Tourism Pada Pemesanan Homestay Desa Cibuntu Kuningan Dengan Algoritma Apriori Lukman Hakim; Renaldy Prabowo
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Desa Wisata Cibuntu sebuah desa peninggalan jaman batu yang terletak di lereng gunung Ciremai, desa yang memiliki keindahan alam dan budaya gotong royong yang masih tetap terjaga kelestariannya, Desa Wisata Cibuntu ditetapkan sebagai wisata utama jawa barat dengan menyediakan penginapan dengan penduduk. Tujuan penelitian membuat Situs e-tourism reservasi penginapan (Homestay) Desa Wisata Cibuntu-Kuningan, Jawa Barat.Perancangan situs e-Tourism menggunakan metode Association Rule dan Algoritma Apriori untuk menampilkan presentase(%) peminatan paket wisata yang ditawarkan Desa Wisata Cibuntu. Hasil implementasi Algoritma Apriori dapat diimplementasikan pada situs e-Tourism Pemesanan Homestay Desa Wisata Cibuntu dalam perhitungan presentase paket-paket yang dibeli secara bersamaan ini memiliki presentase sebesar 79.92% tingkat keberhasilan, situs reservasi memberikan kemudahan dalam pengolahan data pelanggan serta pemesanan dan transaksi secara daring atau komputerisasi.
Polyetheretherketone (PEEK) for making bone implants in maxillofacial reconstruction surgery Anwar S. Ibrahim; Cholid Badri; Benny S. Latief; Sastra K. Wijaya; V. Sutarmo Setiadji; Agri Suwandi
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Polyetheretherketone (P.EEK) has been used as a bone implant because it has the nature of a biocompatible, strong, non-corrosive, stable and not affected by high temperatures. PEEK is potential for use as an implant material. Applications in maxillofacial reconstruction surgery is very beneficial in terms of time and cost. Modelmaking mandible obtained from data on patients affected by tumor ameloblstoma. The data have been taken by a CT-scan in the form of DICOM (Digital Imaging and Communication in Medicine) is amended by Catya into STL files (stereolithography). STL file is then printed with 3D-printers and Computer Numerical Control (CNC) machines.Printouts based models have been created for the reconstruction implants in maxillofacial surgery.
Analisis Kinerja Protokol Routing Social Aware Berbasis Konten Pada Opportunistic Network Ricky Yonas; Bambang Soelistijanto
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Opportunistic Networks (OppNet) is one of Delay Tolerant Network (DTN) application. It is a wireless communication that is not require any infrastrusture thus, the difference between OppNet and conventional cellular communication is obvious. In OppNet, nodes are communicating via other node’s radiowave (in this case, we used Bluetooth). Messages are handed over node by node until it reaches its destination node. In social aware routing protocol, social weights are given to each node. Social weights will determine node’s movement and it’s transitivity or even it’s community to help messages reachs it’s destination faster. With transitivity, the delivery probability can reach an optimum number of 80%, that means in every 10 messages, 8 messages are successfully delivered.
Analisis Kepuasan Pelanggan Menggunakan Model Kano Dimensi SERVQUAL dan CSI Terhadap Layanan Sertifikat Tanah Di BPN (Badan Pertanahan Nasional) Juwita Artanti Kusumaningtyas; Eko Sediyono
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

BPN (National Land Agency) Salatiga is a government institution that serves in the land sector of national, regional, and sectoral according to the legislation. The purpose of this study is to measure the quality of service BPN to determine customer satisfaction by using the Kano model of SERVQUAL dimensions and CSI. The data collection is done with the distribution of questionnaires to the public and conduct interviews of the BPN. The results showed BPN customer satisfaction is the percentage of 78%. The results showed Borderline or on the boundary quite satisfied and need to maximize customer service BPN Salatiga.
Geographical Information System Mapping For Potential Local Coastal Marine Case Study: Coastal Region Along The North Coast Java Bambang Irawan; Arief Kusuma; Ari Pambudi; Yulhendri Yulhendri
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

The development of information technology is growing rapidly in many fields that provide convenience for every unit in every organizations, institutions and individuals in activities and efforts that will be undertaken to make the technology as an important element that influencing the business processes. Using the appropriate information technology will provide great benefits on any unit that implement them. In this study focusing on the design of a GIS (geographic information system) that is used to map the potential for coastal areas that will contribute for the best economic development in potential areas of the region that accordance with the state of the environment and support the resources of nature and local society. The right information will make it easier for investors to provide appropriate funding to support the region and to develop the local economy according to its ability.
Keamanan Data Pada Perangkat Internet Of Things Menggunakan Metode Public-Key Cryptography Marsyel Sampe Asang; Irwan Sembiring
AITI Vol 14 No 1 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Developments of IoT in every sector gives a new problem, it is information security. There are many issues about data theft and hacking in IoT system, this is because the weak of system security. IoT device is a part of system that needs special care for that issues. This research focuses on data security in IoT decive like microcontroller that only has a limited resources. Firstly is implement public-key cryptography using RSA algorithm in the device. Then, make an analysis process to see the effectiveness and efficiency of the method. Finally result of this paper shows that implementation of public-key cryptography in IoT device for data security still make the device effective and efficient to work only for small key.
Instagram, e-Commerce, Media Pemasaran – Kode Etik dan Studi Kasus Angelina Ervina Jeanette Egeten
AITI Vol 14 No 2 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Online shopping transaction has become today’s trend in all societies life, it facilitates the customers to make transaction everywhere and every time. A wide range of products offered by online stores can be very attractive for the customers to make such purchase, but there are some many online accounts which do not obey code of ethics in promoting and advertising their products. This issue has turned into the main cause back grounding why the marketing method and advertisement method upon such product must be improved on online media. This research aimed to find out of how to implement code of ethic properly in ecommerce as the product marketing and advertisement media. This research engaged qualitative method with descriptive analysis, observation, case study and literature review to compare the advertisement used by such product which implements code of ethic and vice versa according to the amendment of Indonesian Advertising Ethics Year 2014, while case study for this research was done through Instagram as one of the online media, in order to conduct the analysis phase upon the implementation of the code of ethics in e- commerce. This research led into a result that several instagram accounts had not applied code of ethics in promoting and advertising their products of which was not in accordance with the prevailingIndonesian Advertising Ethics, while the other instagram accounts had implemented proper code of ethics, in which by this implementation, it could bring positive impact and fairness in product selling and marketing.
ANALISIS KINERJA ROUTING PROTOKOL SPRAY AND WAIT DI JARINGAN OPPORTUNISTIC Maria Irmgrad Ratu; Bambang Soelistijanto
AITI Vol 14 No 1 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Opportunistic Network (OppNet) is a wireless network that doesn’t need any infrastructure in the formation.Opportunistic Network can not guarantee a path between the source and destination at any time. In this research, the authors tested the Epidemic Routing Protocols and Spray And Wait Routing Protocol using ONEsimulator. Performance metrics used are Delivery Probability, Overhead Ratio, Average Latency, Buffer Occupancy and Number of Drop messages. Parameters used in each test is the area that remains with the addition of the number of nodes, increasing the buffer size, the addition of the Time-To-Live (TTL), increasing the number of copies of the message (L Copy), and the increase in the number of nodes and the number of copies (%).Epidemic Routing Protocols Tests showed an increase on the Delivery Latency Average Probability, it’s because Epidemic Routing Protocol always leave copy of messages every time they met with a relay node without regard to resources. While Spray and Wait Routing Protocols is good at it because Overhead Ratio in Spray and Wait is low because of number of copies limitation. But delay in Spray and Wait  s very high compared to the Epidemic, it is because Spray And Wait limits the number of copies. From the simulation that involved buffersize addition. Delivery probability in epidemic routing protocol reached an optimum number of 95%, meanwhile delivery probability in SnW protocol reached 73.24%, thus, in every 100 messages sent, 73 messages are successfully delivered.
Rancang Bangun Mobile Commerce Untuk Pencatatan Penjualan Sayur Organik Menggunakan GCM Robert William Ruhulessin; Hindriyanto Dwi Purnomo; Radius Tanone; Purwanto Purwanto; Teguh Indra Bayu
AITI Vol 14 No 1 (2017)
Publisher : Fakultas Teknologi Informasi Universitas Kristen Satya Wacana

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Abstract

Organic vegetable trade industry Sayur Organik Merbabu in the Kopeng in Salatiga in the recording sales still use a paper and kept using spreadsheets so inefficient in processing the selling data .The initial underlying problem doing design application mobile commerce to recording sales consisting of two applications for buyers that allows buyers can buy a vegetable online and business owners as an administrator managing data sales .The method used in this research is the approach technique , where the final result expected is a prototype. The results are two application application of the recording a sale that may used to record the process of trading online and offline indicated for an administrator, then application of vegetable online organic devoted to buyers.

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