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IBM Cognos review
Business Reporting Engineer (Contracter) with 10,001+ employees
You can switch between analysis on a high-level, aggregated data and detailed data.
The improvement to make is for BI to be extended into analytics; more Watson technology in BI. Watson from IBM is for more predictive and prescriptive analysis (big data) and Cognos BI is for more descriptive (BI). When IBM brings the Watson technique into BI, you will have one platform for reporting over past, present and future.
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