Distributed Denial Of Service (DDoS) attacks are familiar threats to Internet users for more than ten years. Such attacks are carried out by a “Bot net”, an army of zombie hos...
Workflow Management Systems (WfMS) allow organizations to streamline and automate business processes and reengineer their structure. One important requirement for this type of syst...
Systems and infrastructures are currently being developed to support Web services and Web processes. One prominent solution to manage and coordinate Web services is the use of wor...
Service level agreements (SLAs), or contracts, have an important role in web services. These contracts define the obligations and rights between the provider of a web service and i...
Sidney Rosario, Albert Benveniste, Stefan Haar, Cl...
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...