University of Nairobi

Displaying 1-8 of 8 results

  • White Papers // Dec 2011

    Use of Concept Map Scaffolds to Promote Adaptive E-Learning in Web-Based System

    Scaffolds are a good method of implementing self-regulated learning. Use of prior knowledge makes the learner to understand a topic better. Learner adaptation enables a learner to be presented with content that matches his/her level of understanding. The main aim of this paper, is to use the adaptive scaffolds in...

    Provided By University of Nairobi

  • White Papers // Jul 2011

    The Poor and the Mobile Phone Related Spending

    In this paper, the authors present work done to find out the challenges poor people in Kakamega east district in western Kenya face to maintain their mobile phones. It reports on findings from a study conducted to find out how the poor use their mobile phones, their means of acquisition,...

    Provided By University of Nairobi

  • White Papers // Aug 2010

    BIP-Based Alarm Declaration and Clearing in SONET Networks Employing Automatic Protection Switching

    The paper examines the performance of Bit-Interleaved Parity (BIP) methods in error rate monitoring, and in declaration and clearing of alarms in those transport networks that employ Automatic Protection Switching (APS). The BIP-based error rate monitoring is attractive for its simplicity and ease of implementation. The BIP-based results are compared...

    Provided By University of Nairobi

  • White Papers // Jul 2009

    Frame and Burst Acquisition in TDMA Satellite Communication Networks With Transponder Hopping

    The paper presents frame and burst acquisition in a satellite communication network based on Time Division Multiple Access (TDMA) in which the transmissions may be carried on different transponders. A unique word pattern is used for the acquisition process. The search for the frame is aided by soft-decision of QPSK...

    Provided By University of Nairobi

  • White Papers // Apr 2009

    Classifying Business Rules to Guide the Systematic Alignment of a Business Value Model to Business Motivation

    Business Motivation Modeling is fundamental and crucial when trying to achieve strategic alignment for sustainable enterprise solutions. Business Rules also play a central role among motivation modeling concepts and could range from fine-grained process directives to coarse-grained governance policies. Therefore, the effective utilization of Business Rules is heavily dependent on...

    Provided By University of Nairobi

  • White Papers // Apr 2008

    Strategic Business/IT Alignment using Goal Models

    Since few years, enterprises Information Technologies (IT) are no more seen as a simple technological support for business strategies in the enterprise. Moreover, standalone IT departments are created in order to support evolution and growth of IT in the enterprise. Often, IT department defines a specific strategy describing vision, goals...

    Provided By University of Nairobi

  • White Papers // Sep 2007

    Top-down Modeling Methodology for Model-Driven SOA Construction

    Service Oriented Architecture (SOA) has been developed to enhance the integration of various systems to allow organizations to be more flexible in case of business changes. This paper will explain a top-down method in which Business Process Models can lead to a basic service orientation of business functions. This will...

    Provided By University of Nairobi

  • White Papers // Jan 2007

    Requirements Engineering for Improving Business/IT Alignment in Security Risk Management Methods

    For the last twenty years, security concerns have increasingly impacted the development and the exploitation of Information Systems (IS), both in public and private organizations. Information systems (IS) security within organizations is more and more focused around risk management approaches. Central to these approaches is the need for a better...

    Provided By University of Nairobi

  • White Papers // Apr 2008

    Strategic Business/IT Alignment using Goal Models

    Since few years, enterprises Information Technologies (IT) are no more seen as a simple technological support for business strategies in the enterprise. Moreover, standalone IT departments are created in order to support evolution and growth of IT in the enterprise. Often, IT department defines a specific strategy describing vision, goals...

    Provided By University of Nairobi

  • White Papers // Jan 2007

    Requirements Engineering for Improving Business/IT Alignment in Security Risk Management Methods

    For the last twenty years, security concerns have increasingly impacted the development and the exploitation of Information Systems (IS), both in public and private organizations. Information systems (IS) security within organizations is more and more focused around risk management approaches. Central to these approaches is the need for a better...

    Provided By University of Nairobi

  • White Papers // Sep 2007

    Top-down Modeling Methodology for Model-Driven SOA Construction

    Service Oriented Architecture (SOA) has been developed to enhance the integration of various systems to allow organizations to be more flexible in case of business changes. This paper will explain a top-down method in which Business Process Models can lead to a basic service orientation of business functions. This will...

    Provided By University of Nairobi

  • White Papers // Apr 2009

    Classifying Business Rules to Guide the Systematic Alignment of a Business Value Model to Business Motivation

    Business Motivation Modeling is fundamental and crucial when trying to achieve strategic alignment for sustainable enterprise solutions. Business Rules also play a central role among motivation modeling concepts and could range from fine-grained process directives to coarse-grained governance policies. Therefore, the effective utilization of Business Rules is heavily dependent on...

    Provided By University of Nairobi

  • White Papers // Jul 2009

    Frame and Burst Acquisition in TDMA Satellite Communication Networks With Transponder Hopping

    The paper presents frame and burst acquisition in a satellite communication network based on Time Division Multiple Access (TDMA) in which the transmissions may be carried on different transponders. A unique word pattern is used for the acquisition process. The search for the frame is aided by soft-decision of QPSK...

    Provided By University of Nairobi

  • White Papers // Aug 2010

    BIP-Based Alarm Declaration and Clearing in SONET Networks Employing Automatic Protection Switching

    The paper examines the performance of Bit-Interleaved Parity (BIP) methods in error rate monitoring, and in declaration and clearing of alarms in those transport networks that employ Automatic Protection Switching (APS). The BIP-based error rate monitoring is attractive for its simplicity and ease of implementation. The BIP-based results are compared...

    Provided By University of Nairobi

  • White Papers // Jul 2011

    The Poor and the Mobile Phone Related Spending

    In this paper, the authors present work done to find out the challenges poor people in Kakamega east district in western Kenya face to maintain their mobile phones. It reports on findings from a study conducted to find out how the poor use their mobile phones, their means of acquisition,...

    Provided By University of Nairobi

  • White Papers // Dec 2011

    Use of Concept Map Scaffolds to Promote Adaptive E-Learning in Web-Based System

    Scaffolds are a good method of implementing self-regulated learning. Use of prior knowledge makes the learner to understand a topic better. Learner adaptation enables a learner to be presented with content that matches his/her level of understanding. The main aim of this paper, is to use the adaptive scaffolds in...

    Provided By University of Nairobi