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All Journal Jurnal Informatika JUTI: Jurnal Ilmiah Teknologi Informasi Jurnal Infra ComTech: Computer, Mathematics and Engineering Applications

Rolly Intan

Program Studi Teknik Informatika

Author-ID : 287705

Computer Science & IT Dentistry Education Engineering Library & Information Science Mathematics

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APLIKASI PEMINJAMAN RUANGAN, KENDARAAN, PERALATAN DAN PENYAMPAIAN KELUHAN SERTA ANALISIS KETERSEDIAAN BARANG DAN KINERJA PELAYANAN PADA UPPK UNIVERSITAS KRISTEN PETRA Yoanna, Wiwie; Handojo, Andreas; Intan, Rolly
Jurnal Informatika Vol 6, No 2 (2005): NOVEMBER 2005
Publisher : Institute of Research and Community Outreach - Petra Christian University

Unit Pelayanan dan Pemeliharaan Kampus (UPPK) Universitas Kristen Petra has a difficulty in facing the customers. Sometimes, a customer has to contact or meet UPPK staff just for asking schedule or give complain. Besides, UPPK needs a system that has ability to analyze equipments needed, base on customers' request and to analyze serving evaluation. Because of these problems, a web based system of distributing information, equipments and tools ordering, transportation ordering, room ordering, sport-field ordering, giving complain, equipments needed analysis and serving evaluation analysis is made. With this system, customers can obtain schedule information and then make an order, or giving complain, without have to meet the UPPK staff. This system is developed using PHP and MySQL as database server. The system is validated by distributing some questionnaires for UPPK staff and customers that give an average value of 3.63 (scale 1-4). Therefore, it can be concluded that this system can help to solve the problems. Besides, the systems also give a facility to analyze the serving evaluation and the need of equipments and tools. Abstract in Bahasa Indonesia : Unit Pelayanan dan Pemeliharaan Kampus (UPPK) Universitas Kristen Petra mengalami kesulitan dalam berhadapan dengan customer. Terkadang customer harus menghubungi atau bertatap muka dengan pihak UPPK hanya untuk menanyakan jadwal pemakaian atau menyampaikan keluhan. Selain hal itu UPPK juga membutuhkan suatu sistem yang mampu menganalisa kebutuhan peralatan/barang berdasar permintaan customer serta analisa kinerja yang telah dilakukan. Melihat permasalahan yang ada, maka dibuat suatu sistem penyampaian informasi, pemesanan peralatan/barang, pemesanan ruang khusus, pemesanan lapangan, pemesanan kendaraan, penyampaian keluhan, analisa kebutuhan barang dan kinerja berbasis web. Dengan sistem ini customer dapat memperoleh informasi jadwal dan melakukan pemesanan serta penyampaian keluhan tanpa harus bertatap muka dengan pihak UPPK. Sistem ini dikembangkan dengan bahasa PHP dan database server MySQL. Dari hasil pengujian dengan kuisioner kepada UPPK dan customer pengguna fasilitas didapat nilai rata-rata 3,63 (dari skala 1-4), sehingga dapat disimpulkan bahwa sistem dapat membantu memecahkan permasalahan yang ada. Selain itu sistem juga memberikan fasilitas untuk menganalisa evaluasi layanan dan kebutuhan barang. Kata kunci: web, pemesanan, analisa kebutuhan.

PENGGUNAAN HIBRIDISASI GENETICS ALGORITHMS DAN FUZZY SETS UNTUK MEMPRODUKSI PAKET SOAL Intan, Rolly
Jurnal Informatika Vol 6, No 1 (2005): MAY 2005
Publisher : Institute of Research and Community Outreach - Petra Christian University

At least, two important factors, discrimination and difficulty, should be considered in determing whether a problem should be in a packet of problems produced for students entrance examination at a university. The higher the discrimination degree of a problem, the better the problem is used to make a selection of participants based on their intellectual capability. How to provide a packet of entrance examination problems satisfying a determined pattern of discrimination and difficulty is a major problem in this paper for which an algorithm, it can be proved that the beneficiary of applying fuzzy sets and fuzzy relation in determing the first chromosome in the process of GA is that the process can reach tolerable solutions faster. Maximum number of generation is still needed as a threshold to overcome the problem of run time system overflow. Generally, the problems in the form of passages tend to have lower fitnest cost. Abstract in Bahasa Indonesia : Proses penyusunan paket soal (misalnya soal untuk test seleksi masuk universitas) yang diambil dari suatu bank soal, minimal harus memperhatikan dua aspek penting yaitu: tingkat kesulitan dan tingkat diskriminan soal. Semakin tinggi tingkat diskriminan suatu soal, semakin baik soal tersebut dipakai untuk menyeleksi kemampuan peserta test. Permasalahan yang dihadapi adalah bagaimana agar pembuat soal dapat memilih dan menentukan kombinasi soal-soal yang tepat (optimum) sehingga dapat memenuhi tingkat kesulitan dan diskriminan yang dikehendaki. Untuk menyelesaikan masalah ini, diperkenalkan suatu algoritma yang disusun dengan menggunakan hibridisasi metode Genetics Algorithm dan fuzzy sets. Dari hasil pengujian, didapatkan bahwa penggunaan fuzzy sets dan fuzzy relations dalam pemilihan kromoson awal akan lebih mempercepat pencapaian tolerable solutions. Tetap dibutuhkan treshould maksimum jumlah generasi yang dilakukan untuk mencegah run time sistem overflow. Soal bacaan cenderung memiliki nilai Fitnest Cost yang lebih rendah daripada nilai Fitnest Cost untuk paket soal bukan soal bacaan. Kata kunci: genetics algorithm, fuzzy sets, hibridization method.

APPLICATION OF CONDITIONAL PROBABILITY IN PREDICTING INTERVAL PROBABILITY OF DATA QUERYING Intan, Rolly
Jurnal Informatika Vol 5, No 2 (2004): NOVEMBER 2004
Publisher : Institute of Research and Community Outreach - Petra Christian University

This paper discusses fuzzification of crisp domain into fuzzy classes providing fuzzy domain. Relationship between two fuzzy domains, Xi and Xj, can be represented by using a matrix, wij. If Xi has n elements of fuzzy data and Xj has m elements of fuzzy data then wij is n x m matrix. Our primary goal in this paper is to generate some formulas for predicting interval probability in the relation to data querying, i.e., given John is 30 years old and he has MS degree, how about his probability to get high salary.

SOLVING QUICKEST PATH PROBLEM USING AN EXTENDED CONCEPT OF TRANSITIVE CLOSURE METHOD Intan, Rolly
Jurnal Informatika Vol 6, No 2 (2005): NOVEMBER 2005
Publisher : Institute of Research and Community Outreach - Petra Christian University

A travel company offers a transportation service by picking up customers from certain places and sending them to the other places. Concerning traffic in time domain function for every path, the problem is how to find the quickest paths in picking up the customers. The problem may be considered as the quickest path problem. We may consider the quickest path problem as an extension of the shortest path problem. The quickest path problem optimizes length of time in visiting some places. The quickest path is not always the shortest path. In the relation to the problem, this paper proposes an algorithm for solving the quickest path problem. The algorithm is constructed by modifying a concept of transitive closure method.

Co-Authors A.A. Ketut Agung Cahyawan W Alexander Setiawan Andreas Handojo Andy Gunawan Chandra, Vincent Andrian Christopher Imantaka Halim Dimas Adiputra Gunawan Dwi Kristanto Edward Primanata Yoewono Edwin Suseno, Edwin Erwin -- Evelyn Njoto, Evelyn Febria Roosita Dwi, Febria Roosita Gregorius Satia Budhi Hartono Hartono Ivan Wijaya Kristo Radion Purba Leo Willyanto Santoso Liliana - Liliana Liliana Michael Constantine Wijaya Nydia Valentina Wahono Oviliani Yenty Yuliana Rikko Filiano Siget Wibisono Valentina, Nydia Wibawa, Timothy Handi Wiwie Yoanna Yulia -

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