Understanding the Importance of Organizing Heterogeneous Data - Prof. Andrew J. Wadsworth, Papers of School management&administration

The reasons for organizing information, the challenges of ambiguity and heterogeneity, and various organizational schemes and structures. It emphasizes the importance of user testing and intellectually meaningful ways of categorizing data.

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Pre 2010

Uploaded on 03/10/2009

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Information Organization
Why do we organize?
To understand, to make sense, to order and then locate stuff
WWW provides interesting & flexible environment
We are all becoming librarians
Information growth
Easy to publish
Forces us to organize for others
Information Ambiguity
Ambiguity is everywhere
Classification based primarily on language
Language is words โ€“ words are ambiguous
What words we use to label
What categories we place stuff in
Classification difficult with abstract concepts, etc
Hetero- Homo- geneous
Most stuff is heterogeneous in nature
Web sites are primarily heterogeneous
Because of this, no single organization system works
Organizational Systems Intro
Information organization often based on personal preferences
Impossible to create a perfect organizational system for all
Therefore, we must research, test, and try to accommodate
And we often are faced with internal politics
Organizational Systems
Made up of schemes and structures
Organizational Scheme โ€“ defines individual characteristics of stuff, grouping
Organizational Structure โ€“ defines relationships between piles of stuff
Organizational Schemes
Exact Schemes
divide stuff into well-defined and mutually exclusive piles
easy to design and maintain and easy to use
minimize confusion
Alphabetical โ€“ Chronological โ€“ Geographical
Ambiguous Schemes
Divide stuff into categories with no exact definition
Often more important than exact schemes
Helps people find stuff, esp. if they are unable to articulate
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Information Organization Why do we organize? To understand, to make sense, to order and then locate stuff WWW provides interesting & flexible environment We are all becoming librarians Information growth Easy to publish Forces us to organize for others Information Ambiguity Ambiguity is everywhere Classification based primarily on language Language is words โ€“ words are ambiguous What words we use to label What categories we place stuff in Classification difficult with abstract concepts, etc Hetero- Homo- geneous Most stuff is heterogeneous in nature Web sites are primarily heterogeneous Because of this, no single organization system works Organizational Systems Intro Information organization often based on personal preferences Impossible to create a perfect organizational system for all Therefore, we must research, test, and try to accommodate And we often are faced with internal politics Organizational Systems Made up of schemes and structures Organizational Scheme โ€“ defines individual characteristics of stuff, grouping Organizational Structure โ€“ defines relationships between piles of stuff Organizational Schemes Exact Schemes divide stuff into well-defined and mutually exclusive piles easy to design and maintain and easy to use minimize confusion Alphabetical โ€“ Chronological โ€“ Geographical Ambiguous Schemes Divide stuff into categories with no exact definition Often more important than exact schemes Helps people find stuff, esp. if they are unable to articulate

More difficult to design, maintain, and use Should be based on intellectually meaningful ways User testing imperative Topic โ€“ Task โ€“ Audience โ€“ Metaphor โ€“ Hybrid Organizational Structures defines relationships between piles of stuff we use schemes to create the piles and structure to organize the piles structures define the primary ways users will navigate models: top-down, bottom-up (database), hypertext Top-Down Approach Very common โ€“ almost all sites use this Ex. Family trees, life (kingdoms โ€“ classes - species), organizational charts HIERARCHY http://dict.die.net/hierarchy/ TAXONOMY http://dict.die.net/taxonomy/ Top-Down Rules of thumb Categories should be mutually exclusive Cross list if necessary but donโ€™t overdo it Consider balance between breadth and depth Narrow and deep = too many clicks Broad and shallow = too many options, choices, scan items Better for growth Consider other structures of organization Bottom-Up Approach (database model) Database is a collection of data โ€“ designed for speedy search and retrieval Meta-data โ€“ data about data, data about records or data structures = schema Defining relationships between meta-data = structure Grass-roots efforts Hypertext Model of organizational structure Highly non-linear Is essentially Information Organization in itself Organizational Scheme โ€“ defines individual characteristics of stuff, grouping Schemes = links Organizational Structure โ€“ defines relationships between piles of stuff Structures = links between schemes = links between links Problem with this model is user confusion but itโ€™s super flexible Not good for primary organizational structure but rather to assist and compliment others