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Full-Text Articles in Computer Engineering
Lazy Preservation: Reconstructing Websites From The Web Infrastructure, Frank Mccown
Lazy Preservation: Reconstructing Websites From The Web Infrastructure, Frank Mccown
Computer Science Theses & Dissertations
Backup or preservation of websites is often not considered until after a catastrophic event has occurred. In the face of complete website loss, webmasters or concerned third parties have attempted to recover some of their websites from the Internet Archive. Still others have sought to retrieve missing resources from the caches of commercial search engines. Inspired by these post hoc reconstruction attempts, this dissertation introduces the concept of lazy preservation{ digital preservation performed as a result of the normal operations of the Web Infrastructure (web archives, search engines and caches). First, the Web Infrastructure (WI) is characterized by its preservation …
Channel Management In Heterogeneous Cellular Networks, Mohammad Hadi Arbabi
Channel Management In Heterogeneous Cellular Networks, Mohammad Hadi Arbabi
Computer Science Theses & Dissertations
Motivated by the need to increase system capacity in the face of tight FCC regulations, modem cellular systems are under constant pressure to increase the sharing of the frequency spectrum among the users of the network.
Key to increasing system capacity is an efficient channel management strategy that provides higher capacity for the system while, at the same time, providing the users with Quality of Service guarantees. Not surprisingly, dynamic channel management has become a high profile topic in wireless communications. Consider a highly populated urban area, where mobile traffic loads are increased due to highway backups or sporting events. …
Detecting Compromised Nodes In Wireless Sensor Networks, Mary Lisa Mathews
Detecting Compromised Nodes In Wireless Sensor Networks, Mary Lisa Mathews
Electrical & Computer Engineering Theses & Dissertations
While wireless sensor networks are proving to be a versatile tool, many of the applications in which they are utilized have sensitive data. Therefore, security is crucial in many of these applications. Once a sensor node has been compromised, the security of the network degrades quickly if measures are not taken to deal with this event. There have been many approaches researched to tackle the issue. In this thesis, an anomaly-based intrusion detection protocol is developed to detect compromised nodes in wireless sensor networks.
The proposed protocol is implemented after the sensors are deployed into the environment in which they …