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All Journal Indonesian Journal of Electronics and Instrumentation Systems IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Ilmu Komputer dan Informasi Jurnal Ilmu Komputer Jurnal Masyarakat Informatika Proceedings of KNASTIK Jurnal Buana Informatika Jurnal Informatika JUTI: Jurnal Ilmiah Teknologi Informasi Proceeding of the Electrical Engineering Computer Science and Informatics Seminar Nasional Informatika (SEMNASIF) SISFOTENIKA Angkasa: Jurnal Ilmiah Bidang Teknologi

Ahmad Ashari

Universitas Gadjah Mada

Author-ID : 222253

Computer Science & IT Control & Systems Engineering Dentistry Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Library & Information Science

Published : 29 Documents Claim Missing Document

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SISTEM IDENTIFIKASI KATEGORI WEBSITE DENGAN METODE PEMBOBOTAN TF-IDF DAN METODE DECISION TREE Rachmat C, Antonius; Ashari, Ahmad
Proceedings of KNASTIK 2009
Publisher : Duta Wacana Christian University

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Makin bertambahnya website yang bermunculan di Internet, membuat pengguna kadang mengalami kesulitanuntuk mencari website yang benar-benar tepat berisi topik dan kategori yang sesuai dengan yang diinginkan. Hal ini seringdihadapi oleh pengguna yang baru saja mengenal dunia Internet. Maka dari itu muncul kebutuhan untuk mengkategorikanwebsite berdasarkan kategori tertentu. Kumpulan kata dalam suatu halaman web dapat dianggap sebagai suatu basis datayang membutuhkan pemrosesan yang cukup kompleks agar dapat mengambil informasi-informasi penting di dalamnya.Pada penelitian ini dikembangkan sebuah aplikasi yang diharapkan mampu mengambil informasi yangtersembunyi di dalam kata-kata yang ada pada suatu halaman website tertentu, sehingga dapat digunakan untukmengkategorikan halaman website tersebut ke dalam kategori-kategori yang sudah ditentukan sebelumnya. Aplikasi inimenggunakan metode-metode text mining untuk menganalisa halaman website tertentu. Tahapan proses pembelajarannyaadalah tahap tokenisasi, penghapusan kata-kata umum dengan menggunakan stop word list, dan stemming. Setelah itudilakukan pembobotan tingkat kepentingan kata-kata dengan metode TF-IDF, dan akhirnya dilakukan klasifikasi denganmetode Decision Tree.Dengan selesainya penelitian ini dihasilkan suatu aplikasi server dan client yang mampu menganalisa halamanwebsite tertentu dan mengkategorikan halaman tersebut sesuai dengan kategori tertentu berdasarkan data pembelajaran yangsudah dilakukan sebelumnya.

Comparative Study of Web3D Standard Format to Determine the Base Format for A Web3D Framework Hananto, Mursid W.; Ashari, Ahmad; Mustofa, Khabib
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 4: EECSI 2017
Publisher : IAES Indonesia Section

With the current Web3D document format, users are Â forced Â toÂ choose certain Â document formats to Â use, Â either during development with a particular toolÂ or when it will be displayed in a browser. Only one format that can be processed by any browser at one given time. This raises the main problem of not allowing users to display a variety of objects with different formats in their browser. For this problem, a Web3D framework can be the solution, as it will provide format conversion for the browser. The conversion itself requires an appropriate base format as the conversion goal. Since there are many formats that have been implemented by users, a comparison has to be done for the purpose of choosing the suitable format. In this study, comparisons have been made to obtain some information. The information required is the complexity of each document in describing a 3D object in the browser, as well as the performance of the particular format. Web3D formats compared in this research are the standard ones: VRML and X3D. Various specific description of object formation have also been selected as sample representation for each format. Based on comparisons in the representation information of each standard format, X3D is the more suitable format for this need. As a standard format representation, the results obtained can be used for further comparisons with non-standard or proprietary formats. This information is needed to determine the finalÂ Â base Â format Â forÂ Â the Â framework Â toÂ Â beÂ Â developedÂ Â in subsequent research. Â

PEMANFAATAN pOWL UNTUK IMPLEMENTASI ONTOLOGY Suteja, Bernard Renaldy; Ashari, Ahmad
Seminar Nasional Informatika (SEMNASIF) Vol 1, No 3 (2008): Intelligent System dan Application
Publisher : Jurusan Teknik Informatika

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Ontology web language merupakan semantic web language untuk merepresentasikan knowledge berbasis web. Walaupun telah banyak tersedia inteface application program dan tools untuk OWL, namun sebuah framework untuk parsing, storing, querying, manipulating, serving and serializing OWL knowledge berbasis web yang dengan mudah dapat dikembangkan untuk aplikasi web hingga saat ini masih belum tersedia. pOWL adalah sebuah platform untuk membangun web semantic yang berjalan dalam bahasa pemrograman PHP, sehingga dapat digunakan sebagai framework untuk membangun aplikasi web semantic.

PEMANFAATAN DATABASE KEPENDUDUKAN TERDISTRIBUSI PADA RAGAM APLIKASI SISTEM INFORMASI DI PEMERINTAH KABUPATEN/KOTA Edhy Sutanta; Ahmad Ashari
SISFOTENIKA Vol 2, No 1 (2012): SISFOTENIKA
Publisher : STMIK PONTIANAK

Abstract : Government of Indonesia in this regard Kemendagri is currently implementing an e-ID card (e-KTP) program that was developed by the Single Identification Number (SIN). The program is expected to generate an accurate database of the national population. Availability of better population database will provide the maximum benefit if it can be utilized in various applications of information systems at the regency. Distributed database population is a potential development of e-Gov better, through the development of various primary and secondary/derivative information systems with integrated of database, middleware, and applications which developed by web service technologies. Evaluation of system performance continuously also need to be done as part of the process in the life cycle of information systems. Keywords: e-Government, e-KTP, integration, population database, web service

Ontology e-Learning Content berbasis Web Semantic Bernard Renaldy Suteja; Ahmad Ashari
Seminar Nasional Aplikasi Teknologi Informasi (SNATI) 2008
Publisher : Jurusan Teknik Informatika, Fakultas Teknologi Industri, Universitas Islam Indonesia

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E-Learning content being a barrier for ELearning is no longer true on today’s Internet. The currentconcerns are how to effectively annotate and organize available content (both textual and non-textual) tofacilitate effective sharing, reusability and customization. In this paper, we explain a component-orientedapproach to organize content in an ontology. We also illustrate our 3-Tier E-Learning Content ManagementArchitecture and relevant Interfaces. We use a simple yet intuitive example to successfully demonstrate thecurrent working prototype which is capable of compiling personalized course materials. The system e-Learningprototype uses the ontology.Keywords: e-Learning, Ontology, Semantic Web

SNIFFS: Sistem Berkas Virtual untuk Jaringan Sosial Berbasis Web Service Kurniawan Lastanto; Ahmad Ashari
Seminar Nasional Aplikasi Teknologi Informasi (SNATI) 2009
Publisher : Jurusan Teknik Informatika, Fakultas Teknologi Industri, Universitas Islam Indonesia

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Dalam makalah ini diperkenalkan Sniffs (Social Netwok Interface/File System), sebuah sistem berkas virtualuntuk jaringan sosial berbasis web service. Sistem berkas ini memungkinkan sembarang program mulai dariutilitas baris perintah sederhana hingga aplikasi desktop yang kompleks untuk mengakses jaringan sosialmelalui antarmuka sistem berkas standar. Sniffs menerjemahkan panggilan sistem berkas yang terjadi danmeneruskannya sebagai invokasi terhadap web service yang disediakan oleh penyedia layanan jaringan sosial.Untuk mengakomodasi berbagai web service yang berbeda dari berbagai platform API jaringan sosial,komunikasi spesifik terhadap suatu platform API dilakukan melalui driver-driver konektivitas. Pengelolaancache diterapkan sebagai upaya untuk mengatasi waktu tunda jaringan dan mengurangi kerja server. Hasilimplementasi yang dilakukan dalam penelitian ini menunjukkan bahwa Sniffs mampu menyediakan antarmukajaringan sosial dalam sistem berkas standar.Kata Kunci: sistem berkas virtual, jaringan sosial, web service

Pemanfaatan XML Digital Signature Studi Kasus Integritas Transkrip Nilai Online Berbasis XML Bernard Renaldy Suteja; Ahmad Ashari
Seminar Nasional Aplikasi Teknologi Informasi (SNATI) 2007
Publisher : Jurusan Teknik Informatika, Fakultas Teknologi Industri, Universitas Islam Indonesia

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As the internet technology’s growth, many universities have developed online access integratedacademic system (IAS). Viewing student’s transcript online is one of many important IAS’ outputs. In fact, thatcapability can not eliminate paper based transcript, because it’s based on HTML which is downloadable,modifiable and unstandard layout. The solution for the last problem is XML document format, since it is easierto use especially for data interchange. Meanwhile, for the first two problems which can cause securityproblems, Crypthography can not ensure that the information is authentically and originally created by anauthorized user. Thus, XML Digital Signature is proposed.Keywords: XML, XML Digital Signature, XML Security, XML Secure

Towards Formal Specification of PaperLess Office Systems Bambang Nurcahyo Prastowo; Jazi Eko Istiyanto; Ahmad Ashari; Khabib Mustofa
Seminar Nasional Aplikasi Teknologi Informasi (SNATI) 2015
Publisher : Jurusan Teknik Informatika, Fakultas Teknologi Industri, Universitas Islam Indonesia

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Abstract—The Center for Information and CommunicationTechnology Services of Gadjah Mada University runs a kind offormal office communication system called PLO (stands forPaperLess Office). Developed to serve ad hoc needs of the center,the system evolves for several years without properdocumentation. Several attempt store write the system failed dueto the lack of the documentations. Judging from the fact that it hasbeen serving the institution well for several years, the system canbe treated as a user requirement. A formal specification is writtenbased on it.Keywords—formal specification; paperless office; informationsystem

SISTEM ONTOLOGI E-LEARNING BERBASIS SEMANTIC WEB Bernard Renaldy Suteja; Suryo Guritno; Retantyo Wardoyo; Ahmad Ashari
Jurnal Ilmu Komputer dan Informasi Vol 2, No 1 (2009): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

E-learning content being a barrier for e-learning is no longer true on todays Internet. The current concerns are how to effectively annotate and organize the available content (both textual and non-textual) to facilitate effective sharing, reusability and customization. In this paper, we explain a component-oriented approach to organize content in an ontology. We also illustrate our 3-tier e-learning content management architecture and relevant interfaces. We use a simple yet intuitive example to successfully demonstrate the current working prototype which is capable of compiling personalized course materials. The e-learning system explained here uses the said ontology.

Sistem Kontrol dan Monitoring Suhu Jarak Jauh Memanfaatkan Embedded system Mikroprosesor W5100 dan ATMega8535 Fauzan Nurahmadi; Ahmad Ashari
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 1, No 2 (2011): October
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Abstrak Penggunaan jaringan internet dewasa ini semakin cepat dan sudah masuk kepada hal-hal kebutuhan dasar manusia seperti komunikasi, monitoring, dan controlling. Tujuan dari perancangan sistem ini adalah agar dapat membantu mengetahui dan melakukan tindakan terhadap suatu suhu dalam sebuah ruangan dari tempat yang berbeda. Sistem kontrol suhu jarak jauh memanfaatkan embedded system berbasis mikrokontroler W5100 merupakan sebuah rangkaian sistem yang terdiri dari banyak sistem mikrokontroler seperti AT8535 yang dilengkapi dengan sensor suhu, dan sistem actuator yang dapat memanipulasi suhu, serta sistem mikrokontroler W5100 yang akan menjadi jembatan antara user dengan sistem monitoring dan kontrol suhu, yang hasil nya akan di tampilkan secara periodic dalam sebuah aplikasi berbasis JAVA. Berdasarkan hasil uji coba yang sudah dilakukan dengan menggunkan pengujian, yaitu membandingkan antara suhu yang ditampilkan pada aplikasi dengan suhu yang ada pada objek menunjukan tidak ada perbedaan yang signifikan. Demikian juga dengan mikrokontroler W5100 dapat digunakan dan berjalan dengan baik.Kata kunci— Suhu, Mikrokontroler, AT8535, W5100 Abstract Today’s Internet network is getting faster and have entered on the things of basic human need such as communication, monitoring, and controlling. The purpose of this system design is to help find out and do something to the temperature in a room from distance. Remote temperature control system utilizing microcontroller-bases embedded system w5100 is a circuit system consisting of many system such as the AT8535 microcontroller system that will be a bridge between user with system monitoring and temperature control, where its results will be displayed periodically in a JAVA-bases application. Based on the result of trial that have been done by using the test, which compare the temperature shown on the application whit the existing temperature of the object showed no significant difference similarly, the w5100 microcontroller can be used and run well.Keywords— Temperature, Microcontroller, AT8535, W5100

Co-Authors Adi Nugroho Adi Nugroho Antonius Rachmat Chrismanto Ari Muzakir Astika AyuningTyas, Astika Bambang Nurcahyo Prastowo Bernard Renaldy Suteja Dyah Ayu Irawati, Dyah Ayu Edhy Sutanta (Jurusan Teknik Informatika IST AKPRIND Yogyakarta) Effan Najwaini Emi Budi Susilowati F Soesianto Fauzan Nurahmadi Fiftin Noviyanto Frans N. Allokendek Jazi Eko Istiyanto John Soetikno Khabib Mustofa Kurniawan Lastanto Lukito Edi Nugroho Mursid Wahyu Hananto Paulus Insap Santosa Pramudi, Chris Agung Puspo Dewanto Ragil Saputra Ragil Saputra Ratna Wardani Retantyo Wardoyo Ridi Ferdiana Selo Sulistyo, Selo Standy Oei Suryo Guritno Suryo Guritno Utomo, Aulia Desy Nur Willy Sudiarto Raharjo

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