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SoAS - Scholarly Publications: Recent submissions

  • Modeling and automated blackbox regression testing of web applications 
    Haraty, Ramzi; Al Shaar, Hamzeh; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Web applications are nowadays at the heart of the business world. All corporate companies and big institutions have very busy e-commerce web sites that host a major part of their businesses. With this great emergence of ...
  • A comparative study of BitTorrent and NetCamo data communication systems 
    Haraty, Ramzi A.; Zantout, Bassam; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    This paper presents two of the most common and existing techniques (BitTorrent and NetCamo) used during data communication for avoiding traffic analysis as well as assuring data integrity. The paper also discusses these ...
  • Regression test selection for trusted database applications 
    Haraty, Ramzi A.; Chehab, Wissam; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Regression testing is any type of software testing, which seeks to uncover regression bugs. Regression bugs occur as a consequence of program changes. Regression testing must be conducted to confirm that recent program ...
  • An efficient cache replacement strategy for the hybrid cache consistency approach 
    Haraty, Ramzi A.; Zeitunlian, Aline; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Caching was suggested as a solution for reducing bandwidth utilization and minimizing query latency in mobile environments. Over the years, different caching approaches have been proposed, some relying on the server to ...
  • An enhanced quorum selection algorithm 
    Haraty, Ramzi A.; Younes, Samer; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    As communication becomes more and more an integral part of our day to day lives, so our need to access information increases as well. Mobility is currently one of the most important factors to consider in our aim to achieve ...
  • T-Stem - A Superior Stemmer and Temporal Extractor for Arabic Texts 
    Haraty, Ramzi A.; Khatib, Samer A.; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Stemming has a large effect on Arabic information indexing and retrieval, at least partially due to the highly inflected nature of the language. Our work demonstrates the process of improving other stemmers, mainly ...
  • Query acceleration in distributed database systems 
    Haraty, Ramzi A.; Fany, Roula C.; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    The advent of telecommunication era and the constant development of hardware and network structures have encouraged the decentralization of data while increasing the needs to access information from different sites. Query ...
  • Towards a Temporal Multilevel Secure Database (TMSDB) 
    Haraty, Ramzi A.; Bekaii, Natalie; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Standard Relational Databases are used to store the state of reality at a single moment of time. Temporal Databases are used to store Time-Varying Data. Multilevel Secure Databases are used to securely store highly ...
  • A hybrid cryptosystem based on WEP for 802.11 networks 
    Haraty, Ramzi A.; El Horr, Walid; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Wireless is the next generation networking technology. The security of such technology is very critical because its physical layer is the electro-magnetic waves that can be easily intercepted by anyone. The original security ...
  • Multigrid solvers in reconfigurable hardware 
    Haraty, Ramzi A.; Kasbah, Safaa J.; Damaj, Issam W.; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    The problem of finding the solution of partial differential equations (PDEs) plays a central role in modeling real world problems. Over the past years, Multigrid solvers have showed their robustness over other techniques, ...
  • A comparative study of RSA based digital signature algorithms 
    Haraty, Ramzi A.; El-Kassar, A. N.; Shebaro, Bilal M.; SAS; SOB; 199729410; 199529190; Computer Science and Mathematics; rharaty@lau.edu.lb; abdulnassar.kassar@lau.edu.lb; Lebanese American University
    A digital signature is a mechanism designed to allow secure communication through an insecure medium and can be traced in many applications where privacy is required. A digital signature is an electronic signature that can ...
  • Arabic text recognition 
    Haraty, Ramzi; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    The issue of handwritten character recognition is still a big challenge to the scientific community. Several approaches to address this challenge have been attempted in the last years, mostly focusing on the English ...
  • Rule-based data mining cache replacement strategy 
    Haraty, Ramzi A.; Zeitouny, Joe; SAS; 199729410; Computer Science and Mathematics; rharaty@lau.edu.lb; Lebanese American University
    Caching in mobile environments is used for improving bandwidth usage and reducing query delays among resource constrained devices. It is used in multitudes of approaches. Some rely on the server occasionally broadcasting ...
  • Pollution and biology of surface water in the catchment area of King Talal Reservoir 
    Hashwa, F.; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
  • Production and properties of thermostable proteases from bacillus thermoleovorans strain HSR 
    Tokajian, Sima; Hashwa, Fuad; Sunna, Anwar; SAS; 199736770; 199390070; Natural Sciences; stokjian@lau.edu.lb; fhashwa@lau.edu.lb; Lebanese American University
    The thermophilic bacterium Bacillus thermoleovorans strain HSR secretes thermostable extracellular proteases when cultivated in the presence of tryptone. The proteases which are found to be of the metallo-protease type, ...
  • Isolation of extremely halophilic phototrophic bacteria from the alkaline Wadi Natrun, Egypt 
    Hashwa, F.; Imhoff, J .F.; Truper, H. G.; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
  • Viable phototrophic sulfur bacteria from the Black-Sea bottom 
    Hashwa, F. A.; Truper, H. G.; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
    Phototrophic sulfur bacteria were isolated from Black-Sea mud at depths of 660 and 2,240 m. The species obtained in pure cultures were identified as Chroraatium warmingii and Thiocapsa roseopersicina. In addition, ...
  • Microbial contamination of ice cream in the city of Amman 
    Hashwa, F. A.; Mahasneh, A. M.; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
    At present Jordan has no legislation for the control of the microbiological quality of ice cream. To investigate the bacteriological quality of ice cream in Amman the authors collected 1 sample from each of 37 places, ...
  • Properties of extremely thermostable proteases from anaerobic hyperthermophilic bacteria 
    Hashwa, Fuad; Klingeberg, Micheal; Antranikian, Garabed; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
    Hyperthermostable proteases were characterized from five archaeobacterial species (Thermococcus celer, T. stetteri, Thermococcus strain AN 1, T. litoralis, Staphylothermus marinus) and the hyperthermophilic eubacterium ...
  • Prevalence, antimicrobial susceptibility and molecular characterization of Campylobacter isolates recovered from humans and poultry in Lebanon 
    Hashwa, F.; Talhouk, RS; El-Dana, RA; Araj, GF; Barbour, E; SAS; 199390070; Natural Sciences; fhashwa@lau.edu.lb; Lebanese American University
    Recovery of Campylobacter was attempted from 281 consecutive non selected out-patients diarrheic stools, 150 individual ceca collected from meat chicken breeder farms and 31 slaughtered marketed chicken obtained from shops ...

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