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All Journal International Journal of Electrical and Computer Engineering Majalah Forum Teknik UGM INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Buana Informatika Perfecting a Video Game with Game Metrics Bulletin of Electrical Engineering and Informatics Jurnal Informatika Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik PROSIDING CSGTEIS 2013 JUTI: Jurnal Ilmiah Teknologi Informasi Bulletin of Electrical Engineering and Informatics Jurnal technoscientia Prosiding SNATIF Prosiding SNATIKA Vol 01 (2011) Telematika : Jurnal Informatika dan Teknologi Informasi Proceeding of the Electrical Engineering Computer Science and Informatics Rekayasa Sipil Prosiding Semnastek International Journal of Advances in Intelligent Informatics Scientific Journal of Informatics ODONTO Dental Journal Seminar Nasional Informatika (SEMNASIF) Jurnal IPTEK-KOM (Jurnal Ilmu Pengetahuan dan Teknologi Komunikasi) Bulletin of Electrical Engineering and Informatics Proceeding of the Electrical Engineering Computer Science and Informatics Dental Journal (Majalah Kedokteran Gigi) Communications in Science and Technology Jiko (Jurnal Informatika dan komputer) Jurnal Informatika Jurnal Masyarakat dan Budaya JISKa (Jurnal Informatika Sunan Kalijaga) Refleksi Pembelajaran Inovatif IJITEE (International Journal of Information Technology and Electrical Engineering) JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Nasional Teknik Elektro dan Teknologi Informasi Proceeding ISETH (International Summit on Science, Technology, and Humanity)

Lukito Edi Lugroho

Universitas Gadjah Mada

Author-ID : 3196179

Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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PERANCANGAN APLIKASI VIDEO CONFERENCE UNTUK BIMBINGAN TUGAS AKHIR Mingsep Sampebua; Lukito E. Nugroho; Jazi E. Istiyanto; Risanuri Hidayat
INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Volume 15, Nomor 1, Februari 2011
Publisher : LPPM UNY

Video conference application to long distance guidance is a real time communication application service used to organizes consultation conference in Internet. The online consultation application can support text communication, face-to-face communication, dialogue-based communication, and sharing se- minar material presentation. The design of the online consultation application program consists of three parts, which are a server application program, a lecturer application program and a student application program. The importance of the real time communication in organizing online consultation system is its capability to create virtual environment (Internet) as a replication of real world communication, because it supports text communi- cation, file presentation, face-to-face communication and direct dialogue between participants. The face-to-face communication and direct dialogue can create a dynamic interaction environment, because participants can interact face-to-face, directly talk to each other, obtain feedback, present physical reaction of other participants, and chatting using text communication. It become a solution to the problem of distance and time for meeting activities of two or more individuals using internet. The result of the research are sequence diagram and class diagram de- sign. Sequence diagram is used to representation communication scenario. Class diagram is used to representation communication functions. That contains group functions and rules/processes necessary in communication. The classes formed in the class diagram design are directly used as object classes at im- plementation level in the form of online consultation application program code

DESAIN MODEL SPESIFIKASI AKSES PENGGUNA DI LINGKUNGAN JARINGAN BERKECEPATAN RENDAH Wardani, Ratna; Soesianto, F; Nugroho, Lukito Edi; Ashari, Ahmad
Jurnal Informatika Vol 4, No 1: January 2010
Publisher : Universitas Ahmad Dahlan

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The Internet has the potential to provide universal and easy access to the various types of information services on a single multi-service, but unreliable quality connection can sometime prevent access to the Internet altogether. There are many efforts have been started to resolve the Internet access problem. The main idea behind them is to provide a set of objective parameters that can be used to compare and negotiate in a network. Relatively little emphasis has been put on issues concerning end users, especially on the relationship of user perception and Quality of Service parameters. In order to implement Quality of Service schemes successfully, users must be taken into account to establish users´ subjective perceptions of Quality of Service.This paper is concerned to the study of mechanism of providing Quality of Service specification for Internet access in low-quality connection. We propose the conceptual model for the specification of user access and allow the users to specify their subjective preferences through the Quality of Service parameters. This model provides the alternative option for user access if resource availability in the system is limited. The user is given opportunity to define their access and determine the parameter for each application which they are chosen. The system will check the resource availability and then compare to the user preferences. In the case resource availability is lower than user preferences, the system can exchange to another option as determined by user requirements.

Perancangan dan Pembuatan Business Logic Layer Pada Situs Social Networking Berbasis Penelitian (KoKKo) Damarjati, Cahya; Nugroho, Lukito Edi; Kusumawardani, Sri Suning
Jurnal Buana Informatika Jurnal Buana Informatika Volume 1 Nomor 1 Januari 2010
Publisher : Universitas Atma Jaya Yogyakarta

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Abstract. Business Logic Layer on Social Networking Sites Design and Development Based on Research. KoKKo, virtual community for science was born based on the belief that âno one knows everything, and everyone knows somethingâ atau ânone of us is as smart as all of usâ. KoKKo is a web application that use three tier web architecture. The three tier of KoKKo are presentation layer, BLL, and DAL. This final prject will discuss everything about engineering and implementation of BLL in KoKKo Web Application. BLL implement object oriented programming concept. With that concept, BLL consists of methods definition that is packaged in class. BLL methods contain DAL functions to access database. Presentation layer use BLL methods to pick data, add data, change date, or delete data from database.Keyword: Three tier web architecture, BLL, Object Oriented Programming, Class, Methods.Abstrak. KoKKo sebagai komunitas virtual untuk berbagi pengetahuan, lahir dari adanya istilah âno one knows everything, and everyone knows somethingâ atau ânone of us is as smart as all of usâ. Wujud KoKKo berupa aplikasi web yang menggunakan Arsitektur Web Tiga Tingkat. Tiga Tingkat dari KoKKo adalah tingkat presentasi, BLL, dan DAL. Penelitian ini akan membahas segala hal tentang perancangan dan implementasi BLL pada aplikasi web KoKKo. BLL menerapkan konsep Pemrograman Berorientasi Objek (OOP). Dengan konsep tersebut, BLL tersusun dari definisi Metode-Metode yang dikemas dalam Kelas. Metode BLL berisi fungsi-fungsi DAL untuk mengakses basis data. Tingkat presentasi menggunakan metode BLL untuk mengambil data, menambah data, mengubah data, atau menghapus data dari basis data.Kata kunci: Arsitektur Web Tiga Tingkat, BLL, Pemrograman Beorientasi Objek, Kelas, Metode.

Learning from the Case Studies, How Global Software Development Process is executed in an Agile Method Environment Ferdiana, Ridi; Nugroho, Lukito Edi; Santoso, Paulus Insap; Ashari, Ahmad
Jurnal Buana Informatika Vol 1, No 2 (2010): Jurnal Buana Informatika Volume 1 Nomor 2 Juli 2010
Publisher : Universitas Atma Jaya Yogyakarta

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Abstrak. Belajar dari Studi Kasus, Bagaimana Proses Pengembangan Perangkat Lunak Global Dieksekusi Pada Lingkungan Metode Agile. Tantangan terbesar dalam Software Development Global (GSD) adalah efisiensi waktu untuk mengembangkan. GSD menyediakan panduan untuk menggunakan proses bersama dengan muka seperti proses metode analisis terpadu atau metode air terjun. Meskipun, itu memberikan manfaat melalui dokumentasi yang komprehensif dan kejelasan, ia memberikan menghambat organisasi yang ingin menggunakan GSD tetapi dalam terburu-buru. Metode Agile mengklaim efisien dan pendekatan yang efektif untuk pengembangan perangkat lunak. Makalah ini laporan tentang bagaimana organisasi menggabungkan proses GSD dengan metode tangkas seperti eXtreme Programming (XP), Scrum, Agile Unified Process (UP Agile), Pengembangan Fitur Driven (FDD), dan Microsoft Solusi Kerangka Agile (MSF Agile). Makalah ini menggunakan studi kasus untuk mendapatkan pengalaman organisasi dan menjelaskan praktek yang berguna untuk organisasi yang ingin menerapkan GSD dengan metode tangkas.Â Kata Kunci: Siklus Hidup Pengembangan Perangkat Lunak, Agile, GSDÂ Abstract. The biggest challenge in Global Software Development (GSD) is the efficiency of time to develop. GSD provides a guidance to use the process along with up-front analysis method like unified process or waterfall method. Although, it gives a benefit through comprehensive documentation and its clearness, it gives inhibits the organization which wants use GSD but in a rush. Agile methods claim an efficient and the effective approach to software development. This paper reports on how organizations combine the GSD process with agile methods like eXtreme Programming (XP), Scrum, Agile Unified Process (Agile UP), Feature Driven Development (FDD), and Microsoft Solution Framework Agile (MSF Agile). The paper uses case study to get organization experiences and describe useful practices for the organization that want to implement GSD with an agile method.Â Keywords: Software Development Lifecycle, Agile, GSD

Pemampatan Intraframe pada Citra Sekuensial Menggunakan Gelombang Singkat Biorthogonal Joko Santoso, Albertus; Edi Nugroho, Lukito; Bayu Suparta, Gede; Hidayat, Risanuri
Jurnal Buana Informatika Vol 3, No 1 (2012): Jurnal Buana Informatika Volume 3 Nomor 1 Januari 2012
Publisher : Universitas Atma Jaya Yogyakarta

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Abstract. In the sequential image compression process there are two compression processes known as intraframe and interframe compressions. This paper focuses on intraframe compression on an image sequence by using the 14 Biorthogonal wavelet. Intraframe compression utilizes spatial redundancy within a frame. This happens because there is a correlation between a pixel with its neighboring pixels. This research uses different changes between frames in sequential images by moving the camera, and shifting objects in the middle. Then each sequential image is tested by using the 14 Biorthogonal wavelet toward its PSNR and compression ratio (%). The results of Â the research can be concluded that the Biorthogonal 2.4 has the highest PSNR. As for the compression ratio, they show that the Biorthogonal 3.1 produces the highest compression ratio (%).Keywords: Sequential image, intraframe compression, compression ratio, PSNR, waveletÂ Abstrak. Pada citra sekuensial dikenal dua proses pemampatan yaitu pemampatan intraframe dan pemampatan interframe. Pada makalah ini lebih difokuskan pada pemampatan intraframe dari suatu citra sekuensial yang menggunakan 14 wavelet Biorthogonal. Pemampatan intraframe memanfaatkan redundansi spasial yang terdapat dalam suatu bingkai. Hal ini disebabkan karena adanya korelasi antara sebuah piksel dengan piksel di sekitarnya. Penelitian ini menggunakan perubahan antar bingkai pada citra sekuensial, yaitu kamera yang bergerak dan obyek di tengah bergerak. Kemudian setiap citra sekuensial diuji dengan 14 wavelet biorthogonal terhadap PSNR dan prosentase rasio kompresinya. Dari hasil penelitian dan pembahasan dapat ditarik beberapa kesimpulan, yaitu pada pemampatan intraframe wavelet Biorthogonal 2.4 menghasilkan PSNR tertinggi. Sedangkan untuk porsentase rasio kompresi terlihat bahwa Biorthogonal 3.1 menghasilkan rasio kompresi tertinggi.Kata Kunci: citra sekuensial, pemampatan intraframe, prosentase rasio kompresi, PSNR, gelombang singkat

Pemodelan Lingkungan Virtual untuk Interaksi Avatar Berbasis Context Pada Proyek Digital Life at Campus (DiL@C) Sajati, Haruno; Nugroho, Lukito Edi; Ferdiana, Ridi
Jurnal Buana Informatika Vol 3, No 2 (2012): Jurnal Buana Informatika Volume 3 Nomor 2 Juli 2012
Publisher : Universitas Atma Jaya Yogyakarta

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Abstract. Campus activities that use information technology increasing rapidly, these activities e.g. studying activity, access to information and so on. The increased activities forces instance has an "assistants" who can help the real user to complete their works and responsibilities. Virtual world allows the user to be in a different context so that it can follow a different activity at one time. Avatar requires a virtual Environment for the activity. This research build a model in virtual world (VES) that would bring together between avatars, virtual objects and context to work in a scenario in Digital Life at Campus (Dil@C). Design written in this paper to formulate a model of Context based communication, system architecture and implementation that can be applied in the virtual world.Keywords: DiL@C, avatar, context, Virtual Environment System (VES).Â Abstrak. Aktifitas kampus yang memanfaatkan teknologi informasi semakin banyak, Aktifitas ini contohnya perkuliahan, akses informasi dan lain-lain. Peningkatan aktifitas ini memaksa instance di dalam kampus memiliki âasistenâ yang dapat membantu real user untuk menyelesaikan pekerjaan dan tanggung jawabnya. Dunia virtual memungkinkan user dapat berada pada konteks yang berbeda sehingga dapat mengikuti aktifitas yang berbeda pada satu waktu. Pengembangan model avatar yang merepresentasikan user dalam dunia maya membutuhkan lingkungan virtual untuk beraktifitas. Penelitian ini memodelkan sebuah dunia virtual (VES) yang dapat mempertemukan antara avatar, obyek-obyek virtual dan konteks untuk bekerja dalam sebuah skenario dalam Digital Life at Campus (DiL@C). Perancangan yang ditulis dalam paper ini merumuskan model komunikasi berbasis konteks, arsitektur sistem dan implementasi yang bisa diterapkan dalam dunia virtual.Kata Kunci: DiL@C, avatar, konteks, Virtual Environment System (VES).

USER STORY SOFTWARE ESTIMATION:A SIMPLIFICATION OF SOFTWARE ESTIMATION MODEL WITH DISTRIBUTED EXTREME PROGRAMMING ESTIMATION TECHNIQUE Ferdiana, Ridi; Santoso, Paulus Insap; Nugroho, Lukito Edi; Ashari, Ahmad
JUTI: Jurnal Ilmiah Teknologi Informasi Vol 9, No 1, Januari 2011
Publisher : Department of Informatics, Institut Teknologi Sepuluh Nopember

Software estimation is an area of software engineering concerned with the identification, classification and measurement of features of software that affect the cost of developing and sustaining computer programs [19]. Measuring the software through software estimation has purpose to know the complexity of the software, estimate the human resources, and get better visibility of execution and process model. There is a lot of software estimation that work sufficiently in certain conditions or step in software engineering for example measuring line of codes, function point, COCOMO, or use case points. This paper proposes another estimation technique called Distributed eXtreme Programming Estimation (DXP Estimation). DXP estimation provides a basic technique for the team that using eXtreme Programming method in onsite or distributed development. According to writer knowledge this is a first estimation technique that applied into agile method in eXtreme Programming.

Adding Synonyms To A Concept In An Ontology Jayadianti, Herlina; Nugroho, Lukito Edi; Santosa, Paulus Insap; Widayat, Wahyu; Baptista Sousa Pinto, Carlos Alberta
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 1: EECSI 2014
Publisher : IAES Indonesia Section

The purpose of this paper is to provide research based understanding of adding sinonyms to a concept in an ontology. We hypothesize that managing synonyms with a good taxonomy and a good integration process are good approaches to organize and share knowledge. This paper can give a discourse to a group of people in different societies that want to share data using different concepts in the same domain. We will generate a common set of terms based on the terms of several different storage devices, used by different societies, in order to make data retrieval independent of the different perceptions and terminologies used by those societies. We use ontologies to represent the particular knowledge of each society and integration techniques to find relations between terms used in those ontologies.

Karakteristik Pengemudi dan Model Peluang Terjadinya Kecelakaan Bus Antar Kota Antar Propinsi Nugroho, Lukito Adi; Sulistio, Harnen; Indriastuti, Amelia Kusuma
Rekayasa Sipil Vol 6, No 1 (2012)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

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Kecelakaan lalu lintas merupakan masalah yang umum terjadi dalam penyelenggaraan sistem transportasi di banyak negara. Pada negara-negara berkembang, termasuk di Indonesia, kecelakaan lalu lintas ini cenderung mengalami peningkatan. Studi ini bertujuan untuk mengetahui karakteristik pengemudi bus AKAP ditinjau dari karakteristik sosio ekonomi dan pergerakan, besarnya tingkat pengetahuan/pemahaman pengemudi terhadap aspek keselamatan yang ada pada peraturan lalu lintas, mengetahui implementasi/perilaku pengemudi terhadap peraturan lalu lintas pada lokasi rawan kecelakaan, membuat model peluang terjadinya kecelakaan terhadap pengemudi bus Antar Kota Antar Propinsi, dan membuat rekomendasi program aksi peningkatan keselamatan angkutan penumpang umum bus AKAP. Pada hasil analisa deskriptif dapat diketahui bahwa seluruh pengemudi bus AKAP adalah seorang laki-laki/pria dengan mayoritas usia 41-50 tahun. Mayoritas pengemudi bus AKAP memiliki tingkat pendidikan akhir setara SMU/MA, dengan penghasilan rata-rata Rp. 1.000.000,00 â€“ Rp. 2.000.000,00. Hasil analisa juga memperlihatkan bahwa hampir seluruh responden kurang memahami aspek keselamatan yang ada pada kendaraan maupun aspek keselamatan yang ada pada peraturan lalu lintas yang ada. Model peluang terjadinya kecelakaan lalu lintas yang telah dibentuk dipengaruhi oleh tingkat pendidikan pengemudi bus AKAP dan pengetahuan pengemudi bus AKAP terhadap aspek keselamatan yang ada pada kendaraan.Â

ANALISIS PERFORMA WIRELESS DISTRIBUTION SYSTEM KONFIGURASI STAR DAN MESH UNTUK HOTSPOT AREA Alif Subardono; Lukito Edi Nugroho; Sujoko Sumaryono
Seminar Nasional Informatika (SEMNASIF) Vol 1, No 3 (2011): Network And Security
Publisher : Jurusan Teknik Informatika

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Salah satu perubahan utama di bidang telekomunikasi adalah penggunaan teknologi wireless. Jaringan dapat bekerja dengan efektif dan memberikan produktivitas terbaik, jika secara terus menerus dapat melayani pemakainya. Diperlukan pemilihan berdasarkan pemilihan komputer, aplikasi software dan infrastruktur, termasuk di dalamnya konfigurasi jaringan yang digunakan. Selain harus berfungsi dengan optimal, maka terdapat kebutuhan untuk kinerja (performance). Untuk memperluas cakupan area hotspot salah satunya menambah Access Point dengan sistem WDS, dimana diharapkan adalah membangun dan menganalisa jaringan WDS dengan konfigurasi star dan mesh, serta memilih konfigurasi WDS yang sesuai dengan situasi dan kondisi setempat. Penelitian dilakukan dengan merancang, membangun, menguji, dan mengambil data jaringan wireless untuk hotspot serta menganalisis perbandingan konfigurasi star dan mesh. Hotspot terbatas hanya bisa dipasang pada 2 AP WDS, sehingga pilihan konfigurasi star dan mesh bisa dipakai, di mana throughput yang dihasilkan pada konfigurasi star lebih baik dibandingkan dengan konfigurasi mesh. Performa konfigurasi star lebih baik dibandingkan dengan mesh. Didapatkan throughput maksimal sebesar 139,1 kbps.

Co-Authors -, Wikankara Achmad Djunaedi Agung Darono Agung R Pamungkas Ahmad Ashari Ahmad Ashari Al. Supartinah Santoso Albertus Joko Santoso Alif Subardono Alifiani Kurniati Amelia Kusuma Indriastuti Andityo, Bimo Hario Andityo, Bimo Hario Andrew B. Osmond Ardi Pujiyanta Ari Hernawan Aris Irwanto Aris Rakhmadi Arkham Zahri Rakhman Ashari, Ahmad Azty Acbarrifha Nour B. Osmond, Andrew Baptista Sousa Pinto, Carlos Alberta Billy Kadmiel Cahya Damarjati Carlos Alberta Baptista Sousa Pinto Carlos Sousa Pinto Dani Adhipta, Dani Darono, Agung Dearisma Arfinda Ma'ruf Desak Putu Juniati Eka Ismantohadi Eko Nugroho Eko Nugroho Eko Nugroho Eko Nugroho Eko Nugroho Eko Prasetyo Erdianto Setya Wardhana F Soesianto F. Soesianto Fahmi Dhimas Irnawan Faradina Harumi Firstya Evi Dianastiti Gede Bayu Suparta Hani Rubiani Hani Rubiani, Hani Hanif Jati Pambudi Haried Novriando Harnen Sulistio Hartanto , Rudy Haruno Sajati Herlina Jayadianti Herlina Jayadianti Herlina Jayadianti Herlina Jayadianti Hutagalung, Robertus Halomoan Ilham Suci Putra Indriana Hidayah Ismantohadi, Eka Iyon Sukma Wicaksana Jayadianti, Herlina Jazi E Istiyanto Jazi Eko Istiyanto Julita Hendrartini Juni Nurma Sari Juwairiah Juwairiah Kusuma Adi Achmad Liliek Handoko Lukas Chrisantyo Marcus Nurtiantara Aji Mardhani Riasetiawan Mewengkang, Alfrina Mingsep Rante Sampebua Mochammad Reza Ramadhan Noor Akhmad Setiawan Novriando, Haried Nur Hasanah Nurtiantara Aji, Marcus Nurul Kholisatul Ulya Oyas Wahyunggoro P. Eko Prasetyo Pantjawati Sudarmaningtyas Pantjawati Sudarmaningtyas Paulus Insap Santosa Prajna Deshanta Ibnugraha Quroti A’yun Ratna Wardani Ridi Ferdiana Risanuri Hidayat Rizal, Muhammad Nur Robertus Halomoan Hutagalung Sasongko Pramonohadi Selo Sulistyo, Selo Silmi Fauziati Soesianto, F. Sri Suning Kusumawardani Sujoko Sumaryono Suryono Suryono Syafira Auliya Syifaun Nafisah Titien S. Sukamto Wahyu Widayat Wahyu Widayat Wahyu Widayat Wahyu Widayat Warsun Najib Wenny Afiati Novia Sari Wicaksana, Iyon Sukma Wicaksana, Iyon Sukma Widayat, Wahyu Widyawan Widyawan Wing Wahyu Winarno Wiro Santoso Waas Wisudawan, Hasbi Nur Prasetyo

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