The Inland Revenue Authority of Singapore (IRAS) managed information via its own system, the state-of-the-art Inland Revenue Interactive Network (IRIN). IRIN supported daily operations, tax assessments, and delivery of taxpayer services. The data warehouse allowed staff to mine taxpayers' data for reporting, analysis and planning purposes, while various e-Services allowed for personal taxpayer filing and easy transacting with IRAS. The IRAS enterprise knowledge portal, the iNex, offered staff qu...
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