Volume 11, Issue 4 (2015) | Journal of Computer Science

Software Defined Radio Implementation of a QPSK Modulator/Demodulator in an Extensive Hardware Platform Based on FPGAs Xilinx ZYNQ

Sérgio Bimbi Junior — 2015-06-02

Journal of Computer Science, Published online: 2 June 2015; doi:10.3844/jcssp.2015.598.611

Software Defined Radio (SDR) technology enables wireless devices deployment with support to multiple interfaces in modulation formats and it has gained importance due to the current wireless standards...

Applications of Parallel Computing for Facility Location-Transportation Problems for Disaster Response

Chansiri Singhtaun — 2015-06-03

Journal of Computer Science, Published online: 3 June 2015; doi:10.3844/jcssp.2015.612.620

This study extends the capability and increases the performance of a traditional Branch and Bound (BB) algorithm to solve Facility Location-Transportation problems for Disaster Response (FLTDR) using ...

Genetic Algorithm for Variable and Samples Selection in Multivariate Calibration Problems

Kelton de Souza Santiago — 2015-06-08

Journal of Computer Science, Published online: 8 June 2015; doi:10.3844/jcssp.2015.621.626

One of the main problems of quantitative analytical chemistry is to estimate the concentration of one or more species from the values of certain physicochemical properties of the system of interest. F...

Novel Prefix Tri-Literal Word Analyser: Rule-Based Approach

Mohammed M. Abu Shquier — 2015-06-27

Journal of Computer Science, Published online: 27 June 2015; doi:10.3844/jcssp.2015.627.638

Arabic stemming is a technique to find the stem or lexical root for Arabic words through the process of eliminating affixes (preffixes, infixes and suffixes) attached to their roots. Several approache...

Integrating a Lexicon Based Approach and K Nearest Neighbour for Malay Sentiment Analysis

Ahmed Alsaffar — 2015-07-07

Journal of Computer Science, Published online: 7 July 2015; doi:10.3844/jcssp.2015.639.644

Sentiment analysis or opinion mining refers to the automatic extraction of sentiments from a natural language text. Although many studies focusing on sentiment analysis have been conducted, there rema...

seMeja API Design Based on CRUD+N Concept

Marini Abu Bakar — 2015-07-16

Journal of Computer Science, Published online: 16 July 2015; doi:10.3844/jcssp.2015.645.661

seMeja is an ongoing research to develop a desktop system for university environment. To support the development of this system, an Application Programming Interface (API) is needed to provide access ...

Scorpius: sFlow Network Anomaly Simulator

Marcos V.O. de Assis — 2015-07-23

Journal of Computer Science, Published online: 23 July 2015; doi:10.3844/jcssp.2015.662.674

Due to the increasing amount of data traveling computer networks every day, efficient management of this information is required to ensure the quality of the services provided by them. Development of ...

Adaptive Acceptance Criterion (AAC) Algorithm for Optimization Problems

Anmar Abuhamdah — 2015-07-23

Journal of Computer Science, Published online: 23 July 2015; doi:10.3844/jcssp.2015.675.691

Optimization methods commonly are designed for solving the optimization problems. Local search algorithms are optimization method, which are good candidate in exploiting the search space. However, mos...

Performance Evaluation of Search Engines Using Enhanced Vector Space Model

Jitendra Nath Singh — 2015-07-24

Journal of Computer Science, Published online: 24 July 2015; doi:10.3844/jcssp.2015.692.698

Vector space model allows computing a continuous degree of similarity between queries and retrieved documents and then ranks the documents in increasing order of cosine (similarity) value. It computes...

APPLYING A HYBRID POLLING APPROACH BY SOFTWARE IMPLEMENTATION TO EXTEND THE LIFETIME OF A WIRELESS SENSOR NETWORK

Inácio Henrique Yano — 2015-07-24

Journal of Computer Science, Published online: 24 July 2015; doi:10.3844/jcssp.2015.699.706

Wireless Sensor Networks are networks suitable for data collection in harsh environments, where it would be difficult or costly the deployment of wired infrastructure. In spite of these advantages, su...