In current work problems and requirements for demand forecasting in commercial or manufacturing enterprises are analyzed and suitable forecasting algorithms are proposed. In enterprises with multidimensional and heterogeneous demand it is advisable to use different algorithms for different...

The traditional approaches to engineering of information systems focus on identifying business requirements and delivering the specific functionality required to automate some activities. Not enough attention is being attached to how the created system will interact with the rest of the...

In this work a block parameter estimation method for linear periodically time-varying systems is discussed. The whole work consists of two parts: theoretical and practical. The theoretical part is based on the description of the model, its creation and structure. Furthermore, Markov estimation...

Matematinis ir skaitinis biojutiklių modeliavimas yra svarbus uždavinys, kuriant naujus ir tobulinant esamus biojutiklius. Disertacijos tyrimo objektas – matematiniai bei skaitiniai modeliai, aprašantys naujoviškų lipazės aktyvumo nustatymo biojutiklių bei teorinio biojutiklio, padengto...

Biosensor mathematical and computer modeling is an important task for the development of new biosensors and for the improvement of the existing ones. Objects of this study are mathematical and numerical models which describe operation of novel lipase activity assessment biosensors and...

Šiame darbe bus išanalizuoti pagrindiniai verslo valdymo sistemų diegimo modeliai ir apibendrintos jų charakteristikos. Darbo tikslas - apibendrinti esamus verslo valdymo sistemų diegimo modelius, tam kad jų diegimas taptų paprastesnis ir būtų sumažinta nesėkmingo adaptavimo rizika....

Šiame darbe išnagrinėtas tiesinių sistemų parametrų įvertinimo metodas. Visas darbas susideda iš dviejų dalių: teorinės ir praktinės. Teorinėje dalyje aprašytas modelis, modelio kūrimas bei jo struktūra. Pateiktas Markovo įvertinimas arba įvertinimas apibendrintuoju...

This work analyses Business Rule methodology and its benefits against traditional software development concepts. Business Rule methodology is observed, several methods of Business Rule classification are presented: Ross, MDC, GUIDE. The work assesses strengths and weaknesses of each model. GUIDE...

Literature suggesting that IS projects generally fail abound. The question posed in this research is Why is the use of Information Systems Methodologies so prevalent in organisations? Two cycles of action research are performed to explore this topic in multiple implementations of a...