Judul: Analisis Tata Letak Produk Pada Pengelolaan Preferensi Pelanggan Koperasi Retail
Abstrak: Minimart is one of the retail industry. Disadvantages of this industry is the lack of commitment and ease buyers to switch to a competitor. For that, we need the customer management or Customer Relationship Management (CRM). The purpose of this study is to identify the layout of the product in koperasi retail and arrange layout improvements that meet customer preferences.. This study uses RFM analysis and methods of association rules. Data transactions per day is required for RFM analysis. Product on transaction data is classified Become large group and small groups. Product name changed in code. Association calculation rules is done by calculating the value of support, confidence and improvement for large classes and small classes. Determining the value of A, E, I, O, U, X made of each class. The placement of a product can be determined and can be described. The identification results show the layout of the laying of the product in koperasi retail irregular and no change for a month. Results improved layout shows the highest support values found in category E (Purposes washing) -> K (herbs), namely 1.2. Thus, the plan of laying a category E and K absolute positioned adjacent.
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Judul: Preferensi layanan pelanggan berbasis CRM (Customer Relationship Management) dengan pendekatan apriori dan bond
Abstrak: Market basket analysis discovers association pattern in retail transaction data. Association rules mining is a method of data mining that aims to find a set of items that frequently occur together. Apriori algorithm is an algorithm to find pattern of association that is used for market basket analysis (MBA). Cross-selling is a part of the CRM (customer relationship management), which sells the main products with additional products recommended. Cross-selling should be analyzed based on transaction data by using data mining concepts. The analysis process involves the extraction of information from customer transaction that includes what products they buy, customer buying behavior etc. RFM analysis (Recency Frequency Monetory) is a marketing technique to analyze customer buying behavior. Mining association rules based on steps of RFM measurement, analyzes relationship and customer loyalty on products to get good recommendations to increase the company's revenue . Apriori algorithm is usually used for the MBA. In this study, besides a’priori we add a minimum measurement bond correlation, which shows the close relationship between products. With the addition of the bond measure, it would be easier to select products for cross-selling and reduce processing time. Result of this research is a hypothesis cross-selling marketing strategy that is customer service preferences; providing good recommendations to improve customer loyalty and increase the company's revenue . The proposed method is applied to sales transactions of spare parts of central AC company as dataset in the case. Results of this study showed 9 rules which can be used to determine the cross-selling sales strategy, taking into account the highest value of improvement (lift), confidence, bond and support. Recommendations for cross-selling strategy is composed by sets of rules measure from four parameters above. The proposed products for cross-selling based on the results of association rules mining and measurement bond are oil filter, maintenance kit, filter kit, separator kit, G roto inject oil, air filter, oil separator and chemical. The results also indicate the relationship between products and to get the best customer loyalty recommendation to the company. Results of the analysis is customers with the highest RFM that give more benefits for the company. Company is advised to maintain customer satisfaction and customer loyalty, to offer cooperation for service contracts, and to offer reselling (customers involved in selling products). It is recommended to maximize RFM analysis by taking into account geographical segmentation of the customers.
Keyword: association rules mining, bond measure, CRM (customer relationship management), cross-selling, data mining

Judul: Pengujian Virus Newcastle Disease Gen VII Isolat Lapang Sebagai Virus Standar Pada Uji Tantang Vaksin
Abstrak: This study was conducted to determine the standard of Newcastle disease virus Gene VII field isolate as a virus challenge to vaccine test. A virus suspension that has previously been tested by HA test then titrated with EID50 using 30 Specific Pathogen Free (SPF) of 10 day old chicken embryonated eggs. In addition, chicken lethal dose50 (CLD50) test were used to determine the virus titer that could cause 50% death of the chicken population. The CLD50 test was used 25 day-old-chickens (DOC) divided into 5 groups. The virus was diluted from 10-1 to 10-8. The 104 to 10-8 dilution of NDV was infected to every group of chicken via eyedrop and intranasal with 0.1 ml/chicken dosage. Haemagglutination test showed that the allantoic fluid were contain high titers of NDV is 512 HAU. The infective NDV that had been titrated by EID50 test showed the virus titers is 109 EID50/0.1 ml or 1010 EID50/ml and the virus titers of CLD50 test e.i 106.48 CLD50/0.1 ml or 107.48 CLD50/ml. These results can be concluded that the NDV Gene VII field isolates were most appropriate to be used as a standard virus to vaccine test
Keyword: Newcastle Disease Virus Gene VII, HA tes, EID50 test, CLD50 test