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It is our great pleasure to announce that Computer Science and Information Systems has been included in the 2010 release of Journal Citation Reports by Thomson Reuters, and received the two-year impact factor of 0.324. We would like to use this opportunity to gratefully acknowledge all former Editors-in-Chief of ComSIS: the late founder of ComSIS Prof. Branislav Lazarević (University of Belgrade, Serbia), Prof. Vladan Devedžić (University of Belgrade, Serbia), and Prof. Ivan Luković (University of Novi Sad, Serbia), as well as the current and former members of the Editorial Board, the Editorial Council, and the Managing Board, and finally all reviewers, authors, and everyone who contributed to achieving this significant milestone for our journal.
This second regular issue of ComSIS in 2011, and third issue overall, consists of five regular articles and 14 papers selected from ISCSCT 2010, 3rd International Symposium on Computer Science and Computational Technology, held during September 14–15, 2010, in Jiaozuo, China, and ISECS 2011, 4th International Symposium on Electronic Commerce and Security, held during June 24–26, 2011 in Shanghai, China. We thank the organizing committees of both events, and especially the guest editor for this issue, Fei Yu (Peoples’ Friendship University of Russia), for the contribution of quality articles to this issue of our journal.
The first regular article “Building Computers in Serbia: The First Half of the Digital Century,” by Jelica Protić and Dejan Ristanović, reflects on the history of Serbian digital computer development by describing the early work on CER-10, the first digital computer built in Serbia, honoring its inventors, surveying the CER family of computers which stemmed from CER-10, and analyzing the effect it had on the personal computer revolution in Serbia and the evolution of the information society that can be seen today.
The next regular paper, entitled “Workflow Specification for Interaction Management Between Experts in a Cooperative Remote Diagnosis Process,” by M. A. Laredj and K. Bouamrane, proposes a workflow model to assist cooperative maintenance, with the goal of coordinating the interactions between various intervening actors in the process of diagnosis and maintenance of detected breakdowns.
In “Access Control Framework for XML Document Collections,” Goran Sladić, Branko Milosavljević, Zora Konjović and Milan Vidaković present the eXtensible Role-Based XML Access Control Framework (XXACF), a framework for controlling access to XML documents in different environments which enables the definition of context-sensitive access control policies on different priority and granularity levels, the enforcement of access control for different operations on XML documents, and different ways of access-control enforcement for the same operation.
The article “Feature Diagram Formalization Based on Directed Hypergraphs” by Miguel A. Laguna, José M. Marqués, and Guillermo Rodríguez-Cano, proposes the use of hypergraphs to integrate the structure and additional constraints of existing approaches to specifying feature diagrams into a unique characterization, in order to accurately represent the variability and commonality of software product lines.
Finally, “Integrating Instance-level and Attribute-level Knowledge into Document Clustering,” by Jinlong Wang, Shunyao Wu, Gang Li, and Zhe Wei presents a document clustering framework which incorporates instance-level knowledge in the form of pairwise constraints and attribute-level knowledge in the form of keyphrases. The framework incorporates metric learning with pairwise constraints and learning of two kinds of knowledge by combining distance-based and constraint-based approaches.
On behalf of the Editorial Board and the ComSIS Consortium, we would like to acknowledge the efforts of the authors in preparing and submitting their high-quality contributions, and also the diligence and hard work of the reviewers which went into the preparation of this issue of Computer Science and Information Systems.
Editor-in-Chief
Mirjana Ivanović
Managing Editor
Miloš Radovanović
