Faculty of Science & Technology (FST): Recent submissions
Now showing items 3961-3980 of 4090
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The uptake and tolerance levels of selected heavy metal ions and their distribution in sweet potato plants (ipomoea hatatas) under in vitro conditions
(University of NairobiChemistry, 2009)Some heavy metals are essential while others may adversely affect human who are water and plant consumers. Pollution by heavy metals is a major problem globally and hence the need to identify sources of the metals and ... -
Phytochemical and pharmacological evaluation of tephrosa purpurea and eriosema psoraleoides on mating behaviour and isolated tissues
(University of NairobiChemistry, 2010)The air dried and ground E. psoraleoides roots were exhaustively extracted with dichloromethane/methanol (1: 1) by cold percolation. The extract was partitioned between water and ethyl acetate. Chromatographic separation ... -
ITIKI: Bridge between African Indigenous Knowledge and Modern Science on Drought Prediction
(University of NairobiSchool of Computing and Informatics, 2012)The now more rampant and severe droughts have become synonymous with the SubSaharan Africa where they are a major contributor to the acute food insecurity in the Region. Though this is not different from other regions ... -
Agents based crop health advisory system for farmers
(University of NairobiSchool of Computing and Informatics, 2012)Despite their substantial efforts, small scale farmers in Kenya usually experience a number of challenges which include variable weather conditions, unreliable agricultural extension services, use of archaic technology, ... -
An information security governance framework for the public Sector in Kenya
(University of NairobiSchool of Computing and Informatics, 2012)One of the main assets of any institution, be it a private company or a government institution, is information. This being the case, it is imperative for every institution to institute appropriate measures to ensure ... -
Application of UTAUT model to online tax filing and payment system in Kenya.
(University of NairobiSchool of Computing and Informatics, 2012)Adoption of e-tax filing and payment system has become fundamental as many countries adopt Information systems in tax management. E-tax systems improve tax filing and payment efficiency and effectiveness. However, the ... -
A framework for implementation of information security management in government ministries, a case study of ministry of youth affairs and sports, Kenya
(University of NairobiSchool of Computing and Informatics, 2012)Not only is Information Security Strategy crucial to protect information systems, but it is central to organization survival. Today's organizations depend on information for their survival. Specifically, organizations ... -
Architecture for Cloud-Based Rapid Application Development Framework
(University of NairobiSchool of Computing and Informatics, 2012)Application developers currently have a wide selection of rich application development tools to use. These tools have a common limitation in that they require some hardware, which is mostly high end, and base software ... -
Multi Agent Based Traffic Controls
(University of NairobiSchool of Computing and Informatics, 2011)The traffic jams are common in the modern world and are mostly attributed to increase in population and the continual expansion of the urban centers. Traffic jams cost the economy a lot of money in wasted time in traffic ... -
Automatic characterization of named entity relational facts in unstructured incident reports
(University of NairobiSchool of Computing and Informatics, 2012)Natural language provides many different ways of expressing facts. These facts can either be explicit facts or implicit facts. Explicit facts could be in the form of entity relations expressed in a single sentence. Many ... -
Credit evaluation model using naïve bayes classifier a case of a Kenyan Commercial Bank
(University of NairobiSchool of Computing and Informatics, 2012)With the increasing demand for credit facilities for the purpose of development, more and more financial institutions are being established to cater for the need. Acquiring these facilities from the institutions sometimes ... -
Multi-agent system surveillance support for Hiv/aids & tuberculosis
(University of NairobiSchool of Computing and Informatics, 2011)Health information required for national and international use is not adequate and often, is not timely for effective and efficient management. The information collected is from Government health facilities only and hence ... -
An intelligent backoff scheme for IEEE 80211 DCF wireless LANs
(University of NairobiSchool of Computing and Informatics, 2012)The wireless MAC Protocol in IEEE 802.11 uses a distributed contention resolution mechanism for sharing the wireless channel. In this environment, the CSMA/CA scheme requires nodes contending for access to the channel ... -
Combating Motor Vehicle theft using Decision Support Models: Nairobi Case Study
(University of NairobiSchool of Computing and Informatics, 2010)Forecasting is an essential analytical tool in police planning and allocation of resources. Law enforcement agents have complex databases which has intelligence hidden as trends, patterns, dependencies, and relationships. ... -
A generic model for un-interfered access to streaming audio files by the visually impaired
(University of NairobiSchool of Computing and Informatics, 2012)The use of multimedia content has increased dramatically over the last few years, but people with limited or no vision have not been able to fully enjoy the benefits of these advances because most of the content has been ... -
A knowledge-based system for selection of trees for urban environments
(University of NairobiSchool of Computing and Informatics, 2011)Urbanization is the driving force for economic growth however it has adverse effects, principally on human health, livelihoods and the environment. Urban forestry is key in mitigating the environmental effects of ... -
A business model for encouraging citizens to open up their personal data for anonymous statistical use
(University of NairobiSchool of Computing and Informatics, 2012)Governments all over the world have a lot of data about their citizens. The citizens in turn have a lot of information about themselves which the government does not have. If these two data sets are consolidated and then ... -
Validating Organizational Implementation of Information Systems Innovations Framework in Kenyan Higher Education Institutions
(University of NairobiSchool of Computing and Informatics, 2012)Organizational Implementation of Information Systems Innovations (OIISI) Framework was developed in the context of Universities in Kenya and can be used to understand the implementation of Information Systems (IS) ... -
Decision support system on bad debt recovery in the deposit protection fund board - Kenya
(University of NairobiSchool of Computing and Informatics, 2011)The Deposit Protection Fund Board (DPFB), in particular Institutions in Liquidations division, is often plagued by a lengthy liquidation process, unpaid loans, collection agency fees and various legal charges. The unpaid ... -
Digital forensics framework for Kenyan courts of laws
(University of NairobiSchool of Computing and Informatics, 2011)We are living in the knowledge age where information and knowledge has become of the most sought after commodity as characterized by proliferation of digital devices and systems. This has seen a paradigm shift in the ...