Computer Science Journal Volume 2, Issue 2, August 2012 40 A Retail Information System Integrated Solution Model Heru Susanto 12 , and Mehmet Sabih Aksoy 3 1 University of Brunei, Information System Group | susanto.net@gmail.com 2 The Indonesian Institute of Sciences, Information Security & IT Governance Research Group heru.susanto@lipi.go.id 3 King Saud University, Department of Information System | hsusanto@ksu.edu.sa Abstract Retail Information System (RIS) consists of many information among retail system and its rule. There is no way that management can operate in today's competitive climate without solid information on which to base decisions. The paper proposed RIS as redesign of the business processes to achieve dramatic improvements at RIS area for usability of retail activities and integrated all of RIS function; cash register, inventory control, sales application, sales report and customer control, at the finally concept and model of RIS be introduced to meet with the requirement in the new era of competitiveness at the retail area which every information always up to date and online in web based system. Keywords- I-Solution Model, Business Aplication Management, Retail Information System, RIS, Business Process Received: Jan 2012, Published: August 2012 *Corresponding Author: Heru Susanto, susanto.net@gmail.com | heru.susanto@lipi.go.id I. INTRODUCTION RIS software is software that retailers use to calculate sales and operate the cash drawer; it is the computerized cash register. Its adds up the sales total, figures the state sales tax, calculates the change back from the amount tendered, and automatically adjusts the store's inventory levels to debit the amount of inventory sold. RIS software packages can vary considerably in capability, so the savvy retailer will want to assess their own situation and needs before making a selection decision. Inventory management capabilities suitable to a multi-store chain are probably overkill for a single boutique store and the care and feeding it would require is probably not worth the additional effort. At a minimum, RIS system should handle sales, manage your inventory database, run a barcode scanner and allow user the capability of querying user’s inventory and sales database in a flexible way. Abacre RIS is the most popular retail system. In definitely it is so many software houses that produce retail system in the world, with specific or tailor made application. Abacre RIS used to shop or retail business in order to serve and handle transaction during the unit time. Abacre has four main functions and