Data size minimization is the focus of data compression procedures by altering representation and reducing redundancy of information to a more effective kind. In general, lossless approach is favoured by a number of compression methods for the purpose of maintaining the content i...
Open access
Research Article10.9734/ajrcos/2019/v3i330096
The first integrals of second order ordinary differential equations are considered. The necessary conditions of the existence of analytical first integrals for the equation are presented. Then, the first integrals of the equation are obtained using Lie symmetry method. The result...
Open access
Research Article10.9734/ajrcos/2019/v3i330095
This research, securing computer based testing (CBT), systems for tertiary institutions provides an improved means for protecting examination question against unauthorized access. The research focuses on developing an independent and secure computer base testing system with an im...
Open access
Research Article10.9734/ajrcos/2019/v3i330094
The research, design and implementation of students file encryption and decryption system using one-time pad algorithm seeks to improve the security of student records in tertiary institutions by using trusted techniques as given in the research. The purpose is to develop an auto...
Open access
Research Article10.9734/ajrcos/2019/v3i330093
Recently, social networks have received dramatic interest. The speed of the development and expansion of the Internet has created a new topic of research called social networks or online virtual communities on the Internet. Today, social networking sites such as Facebook, Twitter...
Open access
Research Article10.9734/ajrcos/2019/v3i330092
Face recognition algorithms can be classified into appearance-based (Linear and Non-Linear Appearance-based) and Model-based Algorithms. Principal Component Analysis (PCA) is an example of Linear Appearance-based which performs a linear dimension reduction while Kernel Principal...
Open access
Research Article10.9734/ajrcos/2019/v3i230091
This paper has attempted to develop an artificial intelligence model based on fuzzy logic for the control of corruption in Nigerian Police Force. The researcher employed fuzzy rule-base inference system methodology using four inputs variables; funding, logistics and operational e...
Open access
Research Article10.9734/ajrcos/2019/v3i230090
Background: Content Based Image Retrieval (CBIR) is an aspect of computer vision and image processing that finds images that are similar to a given query image in a large scale database using the visual contents of images such as colour, texture, shape, and spatial arrangement of...
Open access
Research Article10.9734/ajrcos/2019/v3i230089
Staff scheduling is a universal problem that can be encountered in many organizations, such as call centers, educational institution, industry, hospital, and any other public services. It is one of the most important aspects of workforce management strategy. Mostly, it is prone t...
Open access
Research Article10.9734/ajrcos/2019/v3i230088
The Knapsack Problems are among the simplest integer programs which are NP-hard. Problems in this class are typically concerned with selecting from a set of given items, each with a specified weight and value, a subset of items whose weight sum does not exceed a prescribed capaci...
Open access
Research Article10.9734/ajrcos/2019/v3i230087