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Dias nummer 1

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Title: Dias nummer 1 Author: Peter Havskov Christensen Last modified by: Peter Havskov Christensen Created Date: 1/8/2006 2:04:11 PM Document presentation format – PowerPoint PPT presentation

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Title: Dias nummer 1


1
Peter Havskov Christensen, M.Sc
2
From a selection of Buzzwords to practical use
  • Buzzwords
  • MIS (Management Information System)
  • Data Warehouse
  • Data Mining
  • OLAP (On Line Analytical Processing)
  • Practical use
  • Knowledge is valuable
  • A lot of knowledge can be derived from existing
    data inside the CarRes
  • We need tools/techniques to extract important
    information
  • At Bornholmstrafikken use the word MIS for the
    chosen techniques

3
Bornholmstrafikken MIS
  • Data Sources
  • CarRes MIS (70)
  • Information system and electronic logging system
    for arrivals (10)
  • ERP system (10)
  • Other sources (10)
  • CarRes MIS
  • Two part solution (ATS part own part)
  • Reduced amount of data
  • Only newest booking version in MIS
  • Only selected tables included and simplified
  • Redundancy created on purpose

4
Why not extract data from production database
  • Production database advantages
  • Avoid almost all redundancy for fast and reliable
    updates
  • Optimize speed for production usage
  • Optimize data security (change logs and
    transactions)
  • MIS database advantages
  • Contain redundant information for easy querying
  • Simpler database for easier user queries
  • Optimize speed for most used queries
  • Database is independent from production database
  • Users query errors does not influence CarRes
    performance
  • Heavy queries does not influence CarRes
    performance
  • MIS database can be at different location than
    production

5
How does local MIS work
  • Updated every night
  • Automated download ZIP-file from CarRes
    FTP-server
  • Automated update of tables in local MIS with
    incremental data contained in ZIP-file
  • Some (heavy) and often used calculations
    performed after update.
  • Creating totals that require some local MIS
    master tables for special purpose classification
    of data.
  • Possible to create even more redundancy for even
    faster querying

6
User interface(s) for local MIS
  • Web interface
  • Follow up on predefined Key Performance
    Indicators (KPI)
  • Color codes
  • Update of Local MIS master tables for special
    purpose classifications
  • ODBC / MS Query
  • Excel (primary)
  • Access
  • Crystal Reports

7
Update of local master tables
  • LOCAL GROUPING
  • Linking a group of fields in CarRes to a local
    classification
  • Special purpose reporting
  • Port costs
  • Taxes

8
Often used queries on Intranet (web interface)
  • Number of checked in passengers pr. departure
    (special calculation that adds 2 CarRes
    departures into one departure because of the way
    we handle a connection bus)
  • Web based data for non CarRes users in the
    organization

9
Ad hoc queries in MS Query / Excel
  • Redundancy makes selecting relevant bookings
    (negative balance) easy and fast
  • Purpose check if customers still pay twice or
    more because they dont understand when their
    credit card payment on www has been completed
    succesfully.

10
Cost / Benefit
  • Costs
  • ATS Costs (??)
  • MIS was part of our initial contract (others
    might benefit from development)
  • Local costs (approx 15.000 EUR internal hours)
  • One physical server including MS SQL Server
    software and backup.
  • Approx 250 working hours
  • 200 internal hours
  • 50 external hours
  • Benefits
  • Knowledge
  • Saved manual working hours

11
Local MIS maintenance / Is MIS updated ?
  • Screen layout depends on local setup
  • If all jobs have status FINISH everything
    should be OK.
  • Automated notification to IT department if not
    all jobs have status FINISH at 0800 (when
    people who depend on data start working)

12
Further plans for MIS development
  • ATS part
  • Minor adjustments to tables DEP and CUSMST to
    create a little more redundancy by adding some
    calculated fields (not yet specified by
    Bornholmstrafikken)
  • Local part
  • Create web based follow up for all KPIs (Key
    Performance Indicators)
  • Create web based graphics for selected KPIs
  • Internal user training How to query the MIS
    database?
  • Update local MIS from MS SQL Server 2000 to MS
    SQL Server 2005 (new and improved analytical
    features)
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