Content vs. Context

Web Architecture [./]
Fall 2009 — INFO 290 (CCN 42593)

Erik WildeUC Berkeley School of Information, UC Berkeley School of Information
2008-10-22

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Contents E. Wilde: Content vs. Context

Contents

2Abstract
1 Content Delivery
- 4Putting Content into Context
- 5Content a la Web 1.0
- 6Content and Blogs
- 7Content and Twitter
- 8Content and Annotations
2 Context Types
- 10Semantics as Context
- 11Location as Context
- 12Social Context
- 13Time as Context
14Conclusions

E. Wilde: Content vs. Context

(2) Abstract

The Web often is regarded as a content delivery platform (Web 1.0) or as an application development platform (Web 2.0). However, as another part of the Web 2.0 model, context also has become much more important, because (a) users can now more easily contextualize content by creating their own content, and (b) mechanisms such as social networking provide additional context that is bound to a user's identity and the social networks in which this user is engaged. In this lecture, we discuss the move from pure content to a more contextualized view of the content on the Web, and we discuss possible developments and their technical and non-technical implications.

Content Delivery

Outline (Content Delivery)

Content Delivery [5]
Context Types [4]

Content Delivery E. Wilde: Content vs. Context

(4) Putting Content into Context

Content are decontextualized Web pages
Blogging mediates content
- blogs link to content and put it into context
- the context of the blog is unknown (invisible readership)
Twitter mediates content and context
- tweets link to content and put it into context
- twitter's follower concept makes readership explicit
- retweeting reinforces the validity of context

Content Delivery E. Wilde: Content vs. Context

(5) Content a la Web 1.0

Content Delivery E. Wilde: Content vs. Context

(6) Content and Blogs

Content Delivery E. Wilde: Content vs. Context

(7) Content and Twitter

Content Delivery E. Wilde: Content vs. Context

(8) Content and Annotations

Context Types

Outline (Context Types)

Content Delivery [5]
Context Types [4]

Context Types E. Wilde: Content vs. Context

(10) Semantics as Context

Knowing more about content helps finding it
Content can be more explicit about its structure
Content can be embedded into contextual meaning
- ontologies help describing and relating concepts

Context Types E. Wilde: Content vs. Context

(11) Location as Context

Location is a central property of real-world objects
Knowing location can be critical to utility
Location on the Web still is not exposed properly
- many applications use location internally
- using location across applications/services is still unexplored

Context Types E. Wilde: Content vs. Context

(13) Time as Context

Content often has an implicit aspect of time
Finding something should depend on (at least) two time dimensions
- the time when the content was created
- the time when the content was searched/accessed
- optionally, updates and annotations can be used as well

E. Wilde: Content vs. Context

(14) Conclusions

Content is more valuable with context
The Web becomes increasingly context-aware
More ubiquity means more opportunities for contextualization
Context often is partly implicit and hard(er) to control
Context technologies develop much faster than content technologies

2008-10-22 Web Architecture [./]
Fall 2009 — INFO 290 (CCN 42593)