1 / 20

1242.2219 Information System Economic s INFORMATION MANAGEMENT

1242.2219 Information System Economic s INFORMATION MANAGEMENT. INFORMATION MANAGEMENT. Issues Types of information Data problems The DBA Database issues Data mining Data warehousing Information Knowledge Intelligence Where next?. INFORMATION MANAGEMENT. Issues

shelagh-kennefick
Download Presentation

1242.2219 Information System Economic s INFORMATION MANAGEMENT

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 1242.2219 Information System Economics INFORMATION MANAGEMENT

  2. INFORMATION MANAGEMENT • Issues • Types of information • Data problems • The DBA • Database issues • Data mining • Data warehousing • Information • Knowledge • Intelligence • Where next?

  3. INFORMATION MANAGEMENT • Issues Types of Information • Data what • Information why • Knowledge how to • Intelligence solve

  4. INFORMATION MANAGEMENT • Inconsistent Data Definitions • Names • Grades • Dates • Catalog(ue) numbers

  5. INFORMATION MANAGEMENT Inconsistent Data Definitions Peoples’ Names - Order of names Western: first_name, middle_name(s), family_name (christian_name) (surname), generation e.g. Henry C. Lucas, III Oriental: family_name first_name second_name (Western_name)

  6. INFORMATION MANAGEMENT Inconsistent Data Definitions Peoples’ Names - Order of names But see exceptions: Hungary, westernized oriental names Relational names: Abu Mussa, Ibn Saud, Umm Khaltoum, Bint Hana Shapira, Shapirena, Shapiraita Gender information contained in names/unisex names

  7. INFORMATION MANAGEMENT Inconsistent Data Definitions Dates Different calendar schemes – solar vs. lunar starting points 28 February 2000 = 22 Adar I 5760 = 22 Shawwal 1420 Order: 3/4/1999 = March 4 or April 3?

  8. INFORMATION MANAGEMENT Inconsistent Data Definitions Dates Date semantics: Transaction date Date recorded Value date Time and date zone differences: “I got your message tomorrow”

  9. INFORMATION MANAGEMENT Inconsistent Data Definitions Catalog Numbers Supplier’s catalog number vs. internal organizational number Internal sub-organization catalog numbers Subsidiaries catalog numbers Example: Barbara C. McNurlin and Ralph H. Sprague, Jr. Information Systems Management in Practice, 4th Ed. Prentice-Hall ISBN: 0-13-847971-2 Library of Congress: T58.64.I54 1998 Dewey Decimal: 658.4’038-dc21 97-1245

  10. INFORMATION MANAGEMENT Role of the DBA • Design DBMS application • Rationalize data inconsistencies • Maintain data dictionary • Control data distribution and sharing • Maintain data accuracy • Manage data back ups

  11. INFORMATION MANAGEMENT Data Mining

  12. INFORMATION MANAGEMENT Data Mining • From On-line Analytic Processing (OLAP) • via • Data Mining • to • Knowledge Discovery in Data Bases (KDD)

  13. INFORMATION MANAGEMENT Data Warehousing • Problems in Data Warehousing • What data to keep? • How to organize them

  14. INFORMATION MANAGEMENT Data Mining • Problems in Data Mining • Which relationships to evaluate? • Identification of interesting/meaningful relationships

  15. INFORMATION MANAGEMENT Knowledge • Types of Knowledge • descriptive knowledgedata information • procedural knowledge knowledge • problem solving knowledge intelligence • creative knowledge

  16. INFORMATION MANAGEMENT Where Next? Starting Point Internal External Record BasedTraditional Public EDP/MIS Databases Word processing Corporate Document BasedDocument library management web sites

  17. INFORMATION MANAGEMENT Where Next? Data bases are becoming: • distributed • heterogeneous • unfederated • multimedia

  18. INFORMATION MANAGEMENT Where Next? Problems • distribution => control problems • heterogeneity => integration problems • unfederated => no common schema • multimedia => how to specify and retrieve multiple media

  19. INFORMATION MANAGEMENT Where Next? Solution Directions • for applications - refederation • for information retrieval – intelligent search • intelligent routing • route learning and specialization • natural language querying

  20. INFORMATION MANAGEMENT • Summary • Types of information • Data problems • The DBA • Database issues • Data mining • Data warehousing • Information • Knowledge • Intelligence • Where next?

More Related