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Lyudmila Onokoy and Jurijs Lavendels


The article investigates different approaches to the design of information systems. Much attention is paid to comparative analysis of criteria for selecting methodologies for software development, and also to not well-known methodology of DevOps (Development & Operation) [1], [2], which aims at consolidation of software developers (Development) and IT professionals’ (Operation) efforts, and automation of implementation process. In conclusion, based on the retrospective analysis and practical experience, the authors formulate regularities and prospects of information systems design methodology development.

Open access

Sandro Bolanos, Rubén González Crespo, Jordán Pascual Espada, Vicente García-Díaz and Jānis Osis

–7, 2001. [23] J. Nandhakumar and D. E. Avison, “The fiction of methodological development: a field study of information systems development,” Information Technology & People , vol. 12, pp. 176–191, 1999. [24] D. Truex, R. Baskerville and J. Travis, “Amethodical systems development: the deferred meaning of systems development methods, Accounting,” Management and Information Technologies , vol. 10, pp. 53–79, 2000. [25] W. Hesse, “Dinosaur meets archaeopteryx

Open access

Egons Lavendelis and Janis Grundspenkis

.1287/mnsc.37.10.1248 [17] E. Lavendelis and J. Grundspenkis. “MASITS - A Multi-Agent Based Intelligent Tutoring System Development Methodology” in Proceedings of IADIS International Conference „Intelligent Systems and Agents 2009”, 21-23 June 2009, Algarve, Portugal, pp. 116-124. [18] E. Lavendelis and J. Grundspenkis, “MASITS - A Tool for Multi-Agent Based Intelligent Tutoring System Development”, in Proceedings of 7th International Conference on Practical Applications of Agents and Multi- Agent Systems (PAAMS 2009), Salamanca, Spain, 25

Open access

Pēteris Grabusts and Arkady Borisov

Clustering Methodology for Time Series Mining

A time series is a sequence of real data, representing the measurements of a real variable at time intervals. Time series analysis is a sufficiently well-known task; however, in recent years research has been carried out with the purpose to try to use clustering for the intentions of time series analysis. The main motivation for representing a time series in the form of clusters is to better represent the main characteristics of the data. The central goal of the present research paper was to investigate clustering methodology for time series data mining, to explore the facilities of time series similarity measures and to use them in the analysis of time series clustering results. More complicated similarity measures include Longest Common Subsequence method (LCSS). In this paper, two tasks have been completed. The first task was to define time series similarity measures. It has been established that LCSS method gives better results in the detection of time series similarity than the Euclidean distance. The second task was to explore the facilities of the classical k-means clustering algorithm in time series clustering. As a result of the experiment a conclusion has been drawn that the results of time series clustering with the help of k-means algorithm correspond to the results obtained with LCSS method, thus the clustering results of the specific time series are adequate.

Open access

Ludmila Penicina

Towards E-Learning Capability Maturity Model

In the software development Capability Maturity Model (CMM) is a methodology for constantly optimizing organization's software development processes in order to meet project deadlines and customers' satisfaction in more efficient way. Nowadays e-learning becomes a valuable business tool not only for reducing costs and improving employees' competences in specific business areas but also for creating considerable Return on Investment (ROI) for the businesses. More and more companies choose an e-learning environment over classic classroom learning. When more companies are implementing e-learning it is time to create a common workplace e-learning CMM which defines the framework and best practices for e-learning business processes that can be used as standard and guidelines for companies which are starting e-learning projects as well as companies practicing e-learning. The paper proposes e-learning implementation and maintenance business processes incorporated in the classic PDCA cycle consisting of four e-learning project phases - e-learning project planning, e-learning system implementation, e-learning monitoring and e-learning optimization.

Open access

Cinzia Daraio

( Largent & Lane, 2012 ) and to the European Commission (2014) “Expert Group to support the development of tailor-made impact assessment methodologies for ERA European Research Area”) in Europe The first objective of the European Commission (2014) Expert Group, in which the author of the present paper took part, was indeed to “propose an analytical framework for identifying how the implementation of different ERA priorities and components observed at institutional level (i.e. research performing organizations) and national level (i.e. national policies and funding

Open access

Ling Wei, Haiyun Xu, Zhenmeng Wang, Kun Dong, Chao Wang and Shu Fang

only of weak ties and nodes, and can quantitatively analyze the topics, roles, and functions of the weak ties and nodes. 3 Methodology Before introducing the main steps of the research, it is necessary to clarify several terms used in the paper, noted below. Strong tie and weak tie: According to the preamble analysis, we divide all the co-occurrence relationships of keywords into two classes by a threshold value, where those with frequency higher than the threshold are strong ties, and those with frequency lower than the threshold are weak ties; Weak tie

Open access

Xiaojun Hu and Ronald Rousseau

technological value, while the competitive strength of a firm’s patents bears a close relation to market value, technological value, social value of patents, and healthy management styles ( Guan & Gao, 2009 ; Hu & Rousseau, 2015 ; Lee, 2009 ; Palokangas, 2011 ). 3 Methodology We develop a new approach to gauge a firm’s innovative performance based on the following insights. 3.1 Potential Applications of Patents We claim that one of the most important elements affecting the potential applications of a patent is its breadth, operationalized by codes, such as

Open access

Xiao Hu, Eric M. Y. Ho and Chen Qiao

developers in Digital Dunhuang projects to improve this DL and other digital presentations of Dunhuang heritage. In addition, as a case study on user evaluation of cultural heritage DLs, this work showcases the methodology, from task design, participant sampling to quantitative and qualitative data analysis, which can be adopted and/or adapted by future studies in related topics. 2 Literature Review 2.1 Digital Libraries on Cultural Heritage Digitization of cultural heritage treasures has attracted remarkable attention in recent years ( Hampson et al., 2012 ). A

Open access

Anthony F.J. van Raan

the Interaction with Science A challenging method to visualize the interface between science and technology is the use of bibliometric mapping methods such as co-citation, co-word, and co-classification techniques. A discussion of these bibliometric mapping methods can be found in van Raan (2015) and also in the next section. CWTS played a pioneering role in this mapping methodology by creating a time-series of co-word and co-classification based maps for the entire technological domain ( Engelsman, van Raan, 1991 , 1994 ; Noyons et al., 1991 ). A study of