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Use of MapReduce for Data Mining and Data Optimization on a Web Portal
(2012-12)
This paper studied the design, implementation and evaluation
of a MapReduce tool targeting distributed systems, and multicore
system architectures. MapReduce is a distributed
programming model originally proposed by ...
Protein-RNA interface residue prediction using machine learning: an assessment of the state of the art
(2012)
RNA molecules play diverse functional and structural roles in cells. They function as messengers for transferring genetic information from DNA to proteins, as the primary genetic material in many viruses, as catalysts ...
High-Frequency Regeneration of the Drought-Tolerant Tree Melia volkensii Gurke Using Low-Cost Agrochemical Thidiazuron
(Hindawi Publishing Corporation, 2012-10)
Melia volkensii Gurke is a drought-tolerant tree native to East Africa’s arid and semiarid lands (ASALs), with vast but underutilized
potential for agroforestry and sustainable livelihoods in the ASALs. Its cultivation ...
Impacts Of Land Cover Change Scenarios On Storm Runoff Generation: A Basis For Management Of The Nyando Basin, Kenya
(University of Nairobi, 2012)
The effects of conceptual land cover change scenarios on the generation of storm runoffs were evaluated in the Nyando Basin. The spatial scenarios represented alternatives that vary between full deforestation and reforestation. ...
Classification of the Kenyan general insurance risks using copula approach
(JKUAT Press Ltd, 2012)
Dependence between risks reduces the benefits of
diversification. Modem portfolio theory is based on correlation as
a measure of dependence while the criterion presented here is
based on the copula theory as a measure ...
Quinolizidine Alkaloids from Sophora velutina subsp. zimbabweensis (Fabaceae: Sophoreae)
(Natural Product Communications, 2012)
Three novel quinolizidine alkaloids, N-methylenehydroxycytisine (1), 6,7-dihydroxylupanine (2), and velutinine (3) have been isolated from the fruits and pods
(1 and 2) and stem bark (3) of Sophora velutina subsp. ...
On commutants and operator equations
(2012)
Let B(H) denote the algebra of bounded linear operators on a Hilbert
Space H into itself. Given A,B ∈ B(H) define C(A,B) and R(A,B) : B(H) −→
B(H) by C(A,B)X = AX − XB and R(A,B)X = AXB − X. Our task in this
note is to ...
Synthesis and characterization of silver nanoparticles using tea extracts and their application in nanobiosensors
(2012)
A facile reduction approach with silver nitrate, AgN03, solution and tea extracts led to polydisperse silver nanoparticles, tea-AgNPs, at room temperature. A mixture of AgN03 solution and tea extracts, extracted at 90°C, ...
East African mid-Holocene wet-dry transition recorded in palaeo-shorelines of Lake Turkana, northern Kenya Rift.
(University of Nairobi, 2012-05-15)
The ‘wet’ early to mid-Holocene of tropical Africa, with its enhanced monsoon, ended with an abrupt shift toward drier conditions and was ultimately replaced by a drier climate that has persisted until the present day. The ...
Hyperspectral remote sensing of evaporate minerals and associated sediments in Lake Magadi area, Kenya
(University of Nairobi, 2012-02)
Pleistocene to present evaporitic lacustrine sediments in Lake Magadi, East African Rift Valley, Kenya were studied and mapped using spectral remote sensing methods. This approach incorporated surface mineral mapping using ...