Judul: Pengujian Data Warehouse SOLAP untuk Komoditas Pertanian di Indonesia
Abstrak: Pengujian merupakan tahapan yang sangat penting dalam pengembangan data warehouse, karena analisis dan keputusan dibuat berdasarkan informasi yang dihasilkan dari data warehouse. Dalam pembangunan data warehouse terdapat tahapan penting, yaitu proses extract, transform, load (ETL). Penelitian ini melakukan pengujian data warehouse, khususnya pengujian modul ETL pada SOLAP komoditas pertanian Indonesia yang telah dikembangkan pada penelitian sebelumnya. Dalam penelitian ini, pengujian modul ETL dilakukan dengan pengujian fungsional, yaitu memvalidasi data target dengan data sumber. Pengujian modul ETL diawali dengan membuat source-to-target mappings dan aturan kualitas data sebagai acuan untuk pembuatan kasus uji pada tahapan selanjutnya. Pengujian proses ETL terdiri atas pengujian kualitas data dan keseimbangan data, pengujian tersebut dilakukan dengan menjalankan kueri pada Pengujian keseimbangan data pada proses ETL menggunakan metode simple random sampling dan systematic sampling. Hasil pengujian proses ETL menunjukkan adanya ketidaksesuaian antara data sumber dan data warehouse. Hasil pengujian dianalisis dan ditemukan letak kesalahan pengembangan yang tidak hanya terdapat pada proses ETL, tetapi juga pada data sumber dan pengembangan tampilan aplikasi SOLAP.
Keyword: Data warehouse, ETL, komoditas pertanian, pengujian data warehouse

Judul: Pengembangan Modul Extract, Transform, Load Data Warehouse Hasil Komoditas Pertanian Indonesia Menggunakan Talend
Abstrak: Kementerian Pertanian Indonesia menghimpun data hasil komoditas pertanian Indonesia dalam fail yang tidak saling terintegrasi. Solusi terbaik untuk melakukan integrasi data tersebut adalah data warehouse dengan proses extract, transform, load (ETL). Penelitian ini membangun ETL data warehouse hasil komoditas pertanian Indonesia yang memungkinkan praproses dan pembersihan data lebih cepat sebelum dimuat ke data warehouse. Pembangunan ETL diawali dengan merancang data warehouse menggunakan skema bintang dan merancang pemodelan ETL untuk melakukan transformasi. Transformasi dilakukan dengan membagi fail menjadi header dan body file. Implementasi model transformasi dilakukan menggunakan tool Talend. Hasil pengujian transformasi menunjukkan bahwa proses ETL berjalan dengan baik. Pengujian nilai menunjukkan bahwa nilai keluaran pada DBMS dan operasi OLAP menghasilkan nilai yang sama dengan nilai masukan yang berasal dari fail masukan.
Keyword: data warehouse, ETL, komoditas pertanian, Talend

Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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