Organizational Challenges
In recent years, increasing attention has been
focused on the challenge of organizing information. Yet, this challenge is not
new. People have struggled with the difficulties of information organization
for centuries. The field of librarianship has been largely devoted to the task
of organizing and providing access to information. So why all the fuss now?
Believe it or not, we're all becoming
librarians. This quiet yet powerful revolution is driven by the decentralizing
force of the global Internet. Not long ago, the responsibility for labeling,
organizing, and providing access to information fell squarely in the laps of
librarians. These librarians spoke in strange languages about Dewey Decimal
Classification and the Anglo-American Cataloging Rules. They classified,
cataloged, and helped us find the information we needed.
The Internet is forcing the responsibility for
organizing information on more of us each day. How many corporate web sites
exist today? How many personal home pages? What about tomorrow? As the Internet
provides us all with the freedom to publish information, it quietly burdens us
with the responsibility to organize that information.
As we struggle to meet that challenge, we
unknowingly adopt the language of librarians. How should we label that content? Is there an existing
classification system we can borrow?
Who's going to catalog all of that
information?
We're moving towards a world where tremendous
numbers of people publish and organize their own information. As we do so, the
challenges inherent in organizing that information become more recognized and
more important. Let's explore some of the reasons why organizing information in
useful ways is so difficult.
1. Ambiguity
Classification systems are built upon the
foundation of language, and language is often ambiguous. That is, words are
capable of being understood in two or more possible ways. Think about the word pitch. When you say pitch, what do I hear? There are actually more than 15 definitions,
including:
•
A throw,
fling, or toss.
•
A black,
sticky substance used for waterproofing.
•
The
rising and falling of the bow and stern of a ship in a rough sea.
•
A
salesman's persuasive line of talk.
•
An
element of sound determined by the frequency of vibration.
This ambiguity results in a shaky foundation
for our classification systems. When we use words as labels for our categories,
we run the risk that users will miss our meaning. This is a serious problem.
See Chapter 5, for more on this issue.
It gets worse. Not only do we need to agree on
the labels and their definitions, we also need to agree on which documents to
place in which categories. Consider the common tomato. According to Webster's
dictionary, a tomato is a red or
yellowish fruit with a juicy pulp, used as a vegetable: botanically it is a
berry. Now I'm confused. Is it a fruit or a vegetable or a berry?1
If we have such problems classifying the
common tomato, consider the challenges involved in classifying web site
content. Classification is particularly difficult when you're organizing
abstract concepts such as subjects, topics, or functions. For example, what is
meant by alternative healing and
should it be cataloged under philosophy or religion or health and medicine or all of the above? The organization of words
and phrases, taking into account
their inherent ambiguity, presents a very real and substantial challenge.
2. Heterogeneity
Heterogeneity refers to an object or
collection of objects composed of unrelated or unlike parts. You might refer to
grandma's homemade broth with its assortment of vegetables, meats, and other
mysterious leftovers as heterogeneous. At the other end of the scale,
homogeneous refers to something composed of similar or identical elements. For
example, Oreo cookies are homogeneous. Every cookie looks and tastes the same.
An old-fashioned library card catalog is
relatively homogeneous. It organizes and provides access to books. It does not
provide access to chapters in books or collections of books. It may not provide
access to magazines or videos. This homogeneity allows for a structured
classification system. Each book has a record in the catalog. Each record
contains the same fields: author, title, and subject. It is a high-level,
single-medium system, and works fairly well.
Most web sites, on the other hand, are highly
heterogeneous in two respects. First, web sites often provide access to
documents and their components at varying levels of granularity . A web site might present articles and journals and
journal databases side by side. Links might lead to pages, sections of pages,
or to other web sites. Second, web sites typically provide access to documents
in multiple formats. You might find
financial news, product descriptions, employee home pages, image archives, and
software files. Dynamic news content shares space with static human resources
information. Textual information shares space with video, audio, and
interactive applications. The web site is a great multimedia melting pot, where
you are challenged to reconcile the cataloging of the broad and the detailed
across many mediums.
The heterogeneous nature of web sites makes it
difficult to impose highly structured organization systems on the content. It
doesn't make sense to classify documents at varying levels of granularity side
by side. An article and a magazine should be treated differently. Similarly, it
may not make sense to handle varying formats the same way. Each format will
have uniquely important characteristics. For example, we need to know certain
things about images such as file format (GIF, TIFF, etc.) and resolution
(640x480, 1024x768, etc.). It is difficult and often misguided to attempt a
one-size-fits-all approach to the organization of heterogeneous web site
content.
3. Differences in Perspectives
Have you ever tried to find a file on a
coworker's desktop computer? Perhaps you had permission. Perhaps you were
engaged in low-grade corporate espionage. In any case, you needed that file. In
some cases, you may have found the file immediately. In others, you may have
searched for hours. The ways people organize and name files and directories on
their computers can be maddeningly illogical. When questioned, they will often
claim that their organization system makes perfect sense. "But it's
obvious! I put current proposals in the folder labeled /office/clients/red and old proposals in /office/clients/blue. I don't understand why you couldn't find
them!"
The fact is that labeling and organization
systems are intensely affected by their creators' perspectives. We see this at
the corporate level with web sites organized according to internal divisions or
org charts. In these web sites, we see groupings such as marketing, sales, customer support, human resources, and information
systems. How does a customer visiting
this web site know where to go for technical information about a product they just purchased? To design
usable organization systems, we need to escape from our own mental models of
content labeling and organization.
You must put yourself into the shoes of the
intended user. How do they see the information? What types of labels would they
use? This challenge is further complicated by the fact that web sites are
designed for multiple users, and all users will have different perspectives or
ways of understanding the information. Their levels of familiarity with your
company and your web site will vary. For these reasons, it is impossible to
create a perfect organization system. One site does not fit all! However, by
recognizing the importance of perspective and striving to understand the
intended audiences, you can do a better job of organizing information for
public consumption than your coworker on his or her desktop computer.
4. Internal Politics
Politics exist in every organization.
Individuals and departments constantly position for power or respect. Because
of the inherent power of information organization in forming understanding and
opinion, the process of designing information architectures for web sites and
intranets can involve a strong undercurrent of politics. The choice of
organization and labeling systems can have a big impact on how users of the
site perceive the company, its departments, and its products. For example,
should we include a link to the library site on the main page of the corporate
intranet? Should we call it The Library
or Information Services or Knowledge Management? Should information
resources provided by other departments be included in this area? If the library gets a link on the main page, then why not
corporate communications? What about daily news?
As an information architect, you must be
sensitive to your organization's political environment. In certain cases, you
must remind your colleagues to focus on creating an architecture that works for
the user. In others, you may need to make compromises to avoid serious
political conflict. Politics raise the complexity and difficulty of creating
usable information architectures. However, if you are sensitive to the
political issues at hand, you can manage their impact upon the architecture.
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