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» Evaluating Adaptive Problem Selection
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CHI
2005
ACM
16 years 4 months ago
Interactive web usage mining with the navigation visualizer
Web usage mining, the analysis of user navigation paths through web sites, is a common technique for evaluating site designs or adaptive hypermedia techniques. However, often it i...
Eelco Herder, Harald Weinreich
SIGMOD
2003
ACM
193views Database» more  SIGMOD 2003»
16 years 4 months ago
Chain : Operator Scheduling for Memory Minimization in Data Stream Systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...
ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
15 years 10 months ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
RAID
2009
Springer
15 years 10 months ago
Protecting a Moving Target: Addressing Web Application Concept Drift
Because of the ad hoc nature of web applications, intrusion detection systems that leverage machine learning techniques are particularly well-suited for protecting websites. The re...
Federico Maggi, William K. Robertson, Christopher ...
TPCTC
2009
Springer
190views Hardware» more  TPCTC 2009»
15 years 10 months ago
A Performance Study of Event Processing Systems
Abstract. Event processing engines are used in diverse mission-critical scenarios such as fraud detection, traffic monitoring, or intensive care units. However, these scenarios hav...
Marcelo R. N. Mendes, Pedro Bizarro, Paulo Marques