Norman Ahmed

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—Service-Oriented Architecture (SOA) is becoming a major paradigm for distributed application development in the recent explosion of Internet services and cloud computing. However, SOA introduces new security challenges not present in the single-hop client-server architectures due to the involvement of multiple service providers in a service request. The(More)
— Successfully modeling state and analytics-based semantic relationships of documents enhances representation, importance, relevancy, provenience, and priority of the document. These attributes are the core elements that form the machine-based knowledge representation for documents. However, modeling document relationships that can change over time can be(More)
Service Oriented Architecture (SOA) is an architectural style that provides agility to align technical solutions to modular business Web Services (WS) that are well decoupled from their consumers. This agility is established by interconnecting WS family of standards specification protocols (commonly referred to as WS-* (WS-star)) to enable security, ease of(More)
Content-based publish/subscribe system performance depends upon the efficient subscription matching and event dissemination to interested subscribers. We propose a hybrid content-based publish/subscribe protocol for large size events wherein a centralized brokering system is coupled with a decentralized BitTorrent-like peer-to-peer (P2P) protocol for(More)
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