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ACM Transactions on Internet Technology (TOIT), Volume 5 Issue 4, November 2005

Effective Web browsing through content delivery adaptation
Kaname Harumoto, Tadashi Nakano, Shinya Fukumura, Shinji Shimojo, Shojiro Nishio
Pages: 571-600
DOI: 10.1145/1111627.1111628
This article presents a Web content adaptation and delivery mechanism based on application-level quality of service (QoS) policies. To realize effective Web content delivery for users, two kinds of application-level QoS policies, transmission time...

Characteristics of streaming media stored on the Web
Mingzhe Li, Mark Claypool, Robert Kinicki, James Nichols
Pages: 601-626
DOI: 10.1145/1111627.1111629
Despite the growth in multimedia, there have been few studies that focus on characterizing streaming audio and video stored on the Web. This investigation used a customized Web crawler to traverse 17 million Web pages from diverse geographic...

Portlet syndication: Raising variability concerns
Oscar Diaz, Juan J. Rodriguez
Pages: 627-659
DOI: 10.1145/1111627.1111630
A Portlet is a multistep, user-facing application delivered through a Web application (e.g., a portal). OASIS approved standard, WSRP, is an attempt to standardize the interface between the provider and the consumer of the Portlet. This initiative...

Taxonomy of XML schema languages using formal language theory
Makoto Murata, Dongwon Lee, Murali Mani, Kohsuke Kawaguchi
Pages: 660-704
DOI: 10.1145/1111627.1111631
On the basis of regular tree grammars, we present a formal framework for XML schema languages. This framework helps to describe, compare, and implement such schema languages in a rigorous manner. Our main results are as follows: (1) a simple...