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ACM Transactions on Internet Technology (TOIT), Volume 11 Issue 1, July 2011

Exploiting Service Usage Information for Optimizing Server Resource Management
Alexander Totok, Vijay Karamcheti
Article No.: 1
DOI: 10.1145/1993083.1993084

It is often difficult to tune the performance of modern component-based Internet services because: (1) component middleware are complex software systems that expose several independently tuned server resource management mechanisms; (2)...

Characterizing Intelligence Gathering and Control on an Edge Network
Martin Arlitt, Niklas Carlsson, Phillipa Gill, Aniket Mahanti, Carey Williamson
Article No.: 2
DOI: 10.1145/1993083.1993085

There is a continuous struggle for control of resources at every organization that is connected to the Internet. The local organization wishes to use its resources to achieve strategic goals. Some external entities seek direct control of these...

Anomaly Detection in Dynamic Systems Using Weak Estimators
Justin Zhan, B. John Oommen, Johanna Crisostomo
Article No.: 3
DOI: 10.1145/1993083.1993086

Anomaly detection involves identifying observations that deviate from the normal behavior of a system. One of the ways to achieve this is by identifying the phenomena that characterize “normal” observations. Subsequently, based on the...

Impact of XML Schema Evolution
Pierre Genevès, Nabil Layaïda, Vincent Quint
Article No.: 4
DOI: 10.1145/1993083.1993087

We consider the problem of XML Schema evolution. In the ever-changing context of the web, XML schemas continuously change in order to cope with the natural evolution of the entities they describe. Schema changes have important consequences. First,...