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Full-Text Articles in Physical Sciences and Mathematics
Detecting Similar Html Documents Using A Sentence-Based Copy Detection Approach, Rajiv Yerra
Detecting Similar Html Documents Using A Sentence-Based Copy Detection Approach, Rajiv Yerra
Theses and Dissertations
Web documents that are either partially or completely duplicated in content are easily found on the Internet these days. Not only these documents create redundant information on the Web, which take longer to filter unique information and cause additional storage space, but also they degrade the efficiency of Web information retrieval. In this thesis, we present a new approach for detecting similar (HTML)Web documents and evaluate its performance. To detect similar documents, we first apply our sentence-based copy detection approach to determine whether sentences in any two documents should be treated as the same or different according to the degrees …
Constraint-Based Interpolation, Daniel David Goggins
Constraint-Based Interpolation, Daniel David Goggins
Theses and Dissertations
Image reconstruction is the process of converting a sampled image into a continuous one prior to transformation and resampling. This reconstruction can be more accurate if two things are known: the process by which the sampled image was obtained and the general characteristics of the original image. We present a new reconstruction algorithm known as Constraint-Based Interpolation, which estimates the sampling functions found in cameras and analyzes properties of real world images in order to produce quality real-world image magnifications. To accomplish this, Constraint-Based Interpolation uses a sensor model that pushes the pixels in an interpolation to more closely match …
Improving Routing Security Using A Decentralized Public Key Distribution Algorithm, Jeremy C. Goold
Improving Routing Security Using A Decentralized Public Key Distribution Algorithm, Jeremy C. Goold
Theses and Dissertations
Today's society has developed a reliance on networking infrastructures. Health, financial, and many other institutions deploy mission critical and even life critical applications on local networks and the global Internet. The security of this infrastructure has been called into question over the last decade. In particular, the protocols directing traffic through the network have been found to be vulnerable. One such protocol is the Open Shortest Path First (OSPF) protocol. This thesis proposes a security extension to OSPF containing a decentralized certificate authentication scheme (DecentCA) that eliminates the single point of failure/attack present in current OSPF security extensions. An analysis …
A Statistical Performance Model Of Homogeneous Raidb Clusters, Brandon Lamar Rogers
A Statistical Performance Model Of Homogeneous Raidb Clusters, Brandon Lamar Rogers
Theses and Dissertations
The continual growth of the Internet and e-commerce is driving demand for speed, reliability and processing power. With the rapid development and maturation of e-commerce, the need for a quick access to large amounts of information is steadily rising. Traditionally, database systems have been used for information storage and retrieval. However, with online auctions, rapid Internet searches, and data archival, the need for more powerful database systems is also growing. One type of distributed database is called Redundant Arrays of Inexpensive Databases (RAIDb). RAIDb clusters are middleware-driven to promote interoperability and portability. RAIDb clusters allow for multiple levels of data …