TY - JOUR AU - Edegbe, G.N AU - Onianwa, C.U PY - 2022/07/07 Y2 - 2024/03/28 TI - PROSPECTS OF AN ENHANCED AGILITY ASSESSMENT MODEL FOR LEGACY INFORMATION SYSTEMS JF - NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT JA - NJSE VL - 20 IS - 1 SE - Articles DO - UR - https://delsunjse.com/index.php/njse/article/view/86 SP - AB - <p><span id="page3R_mcid10" class="markedContent"><span dir="ltr" style="left: 228.033px; top: 366.075px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.962494);" role="presentation">It is necessary for an organization to know when to end the life</span><span dir="ltr" style="left: 717.917px; top: 366.075px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.986189);" role="presentation">cycle of its </span><span dir="ltr" style="left: 228.033px; top: 387.275px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.928666);" role="presentation">legacy information</span> <span dir="ltr" style="left: 370.883px; top: 387.275px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.894161);" role="presentation">system once it is no longer able to accomplish and conform </span><span dir="ltr" style="left: 228.033px; top: 408.275px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.989901);" role="presentation">to the modifications the organization needs. Prolonging the length of an </span><span dir="ltr" style="left: 228.033px; top: 429.525px; font-size: 18.4px; font-family: sans-serif;" role="presentation">i</span><span dir="ltr" style="left: 233.233px; top: 429.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00764);" role="presentation">nformation system lifecycle could lead to a decrease in software cost.</span><br role="presentation"><span dir="ltr" style="left: 228.033px; top: 450.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897045);" role="presentation">Consequently, there is the need to develop an assessment model to determine </span><span dir="ltr" style="left: 228.033px; top: 471.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.964049);" role="presentation">whether or not to continue with the existing information system. However, </span><span dir="ltr" style="left: 228.033px; top: 492.725px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.01933);" role="presentation">most of the various metrics and mod</span><span dir="ltr" style="left: 530.717px; top: 492.725px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.994941);" role="presentation">els presented in literature and the </span><span dir="ltr" style="left: 228.033px; top: 513.725px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.914996);" role="presentation">researchers' evaluation methods are qualitative and are evaluated by domain </span><span dir="ltr" style="left: 228.033px; top: 534.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89213);" role="presentation">experts subjectively. The results obtained will therefore be imprecise. We adopt </span><span dir="ltr" style="left: 228.033px; top: 555.925px; font-size: 18.4px; font-family: sans-serif;" role="presentation">a</span> <span dir="ltr" style="left: 247.611px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.919446);" role="presentation">quantitative</span> <span dir="ltr" style="left: 345.554px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.90883);" role="presentation">metrics</span> <span dir="ltr" style="left: 410.709px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.860065);" role="presentation">and</span> <span dir="ltr" style="left: 448.502px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.911617);" role="presentation">model</span> <span dir="ltr" style="left: 505.671px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916624);" role="presentation">methodology</span> <span dir="ltr" style="left: 613.44px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.937381);" role="presentation">to</span> <span dir="ltr" style="left: 639.218px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.870973);" role="presentation">get</span> <span dir="ltr" style="left: 672.982px; top: 555.925px; font-size: 18.4px; font-family: sans-serif;" role="presentation">a</span> <span dir="ltr" style="left: 692.56px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895574);" role="presentation">more</span> <span dir="ltr" style="left: 741.32px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.86824);" role="presentation">accu</span><span dir="ltr" style="left: 775.367px; top: 555.925px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.862663);" role="presentation">rate </span><span dir="ltr" style="left: 228.033px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.867861);" role="presentation">measurement</span> <span dir="ltr" style="left: 338.157px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.998515);" role="presentation">of</span> <span dir="ltr" style="left: 365.923px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.901952);" role="presentation">legacy</span> <span dir="ltr" style="left: 426.073px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.950588);" role="presentation">information</span> <span dir="ltr" style="left: 524.991px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.861455);" role="presentation">systems.</span> <span dir="ltr" style="left: 599.953px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.941974);" role="presentation">This</span> <span dir="ltr" style="left: 644.904px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.909053);" role="presentation">study</span> <span dir="ltr" style="left: 697.068px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.889701);" role="presentation">developed</span> <span dir="ltr" style="left: 785.038px; top: 577.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.840586);" role="presentation">an </span><span dir="ltr" style="left: 228.033px; top: 598.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.932446);" role="presentation">enhanced agility assessment model to measure legacy information systems </span><span dir="ltr" style="left: 228.033px; top: 619.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.923418);" role="presentation">with the agility factors: Speed, Robustness, Complexity and Technical skilled </span><span dir="ltr" style="left: 228.033px; top: 640.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.913681);" role="presentation">personnel. The developed model wil</span><span dir="ltr" style="left: 497.483px; top: 640.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.925662);" role="presentation">l resolve the flaws of the existing metrics </span><span dir="ltr" style="left: 228.033px; top: 661.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927527);" role="presentation">and models as a result of the quantitative methodology and objectivity of the </span><span dir="ltr" style="left: 228.033px; top: 682.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.892596);" role="presentation">proposed mode</span></span></p> ER -