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CCS
2003
ACM
15 years 3 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
OTM
2007
Springer
15 years 4 months ago
A Meta-model for Ontologies with ORM2
Development of ontology development tools and ontology-enhanced software applications requires thorough understanding of ontology languages in order to implement them according to ...
Christina Tziviskou, C. Maria Keet
ESWS
2005
Springer
15 years 3 months ago
Semantic-Based Automated Composition of Distributed Learning Objects for Personalized E-Learning
Recent advances in e-learning techonologies and web services make realistic the idea that courseware for personalized e-learning can be built by dynamic composition of distributed ...
Simona Colucci, Tommaso Di Noia, Eugenio Di Sciasc...
BPM
2008
Springer
152views Business» more  BPM 2008»
14 years 12 months ago
Reasoning about Repairability of Workflows at Design Time
This paper describes an approach for reasoning about the repairability of workflows at design time. We propose a heuristic-based analysis of a workflow that aims at evaluating its ...
Gaston Tagni, Annette ten Teije, Frank van Harmele...
JWSR
2007
129views more  JWSR 2007»
14 years 9 months ago
Extensible Architecture for High-Performance, Scalable, Reliable Publish-Subscribe Eventing and Notification
Existing Web service notification and eventing standards are useful in many applications, but they have serious limitations that make them ill-suited for large-scale deployments, ...
Krzysztof Ostrowski, Ken Birman, Danny Dolev