An overview of decision table literature.

The present report contains an overview of the literature on decision tables since its origin. The goal is to analyze the dissemination of decision tables in different areas of knowledge, countries and languages, especially showing these that present the most interest on decision table use. In the first part a description of the scope of the overview is given. Next, the classification results by topic are explained. An abstract and some keywords are included for each reference, normally provided by the authors. In some cases own comments are added. The purpose of these comments is to show where, how and why decision tables are used. Other examined topics are the theoretical or practical feature of each document, as well as its origin country and language. Finally, the main body of the paper consists of the ordered list of publications with abstract, classification and comments.

A Systematic Review of Social Networks Research in Information Systems: Building a Foundation for Exciting Future Research

Social networking applications such as blogs, instant messengers, podcasts, social networking websites (e.g., Renren in China, Vkontakte in Russia, Facebook), professional networking websites (e.g., LinkedIn), Twitter, and virtual worlds (e.g., Second Life) have become increasingly popular in the last few years. Because these applications have substantial implications for users, organizations, and society, social networks (SNs) have gained attention from information systems (IS) researchers and grown steadily as a research area since 2004. However, to organize the accumulated research and encourage researchers to examine new and pressing issues in SNs, available knowledge needs to be synthesized and research gaps need to be addressed (Bandara et al., 2011). Therefore, we systematically reviewed publications about SNs published in major IS journals between January 2004 and August 2013 and, in this paper, overview the state of IS research regarding SNs. We show the evolution of the existing IS research on SNs to build a common nomenclature and taxonomy for this area of research, to identify theories used, and to provide a useful roadmap for future research in this area

A Review of the Literature on the Empathy Construct Using Cluster Analysis

Empathy plays a central role in human behavior and is a key aspect of social functioning. The extensive research on the empathy construct in fields such as psychology, social work, and education has revealed many positive aspects of empathy. Through the use of cluster analysis, this research takes a new approach to reviewing the literature on empathy and objectively identifies groups of empathy research. Next, this study relates the information systems (IS) discipline’s focus on empathy research through the projection of IS empathy paragraphs into those clusters, and identifies areas of empathy research that are currently being largely overlooked by the IS field. The use of cluster analysis and projection for conducting a literature review provides researchers with a more objective approach for reviewing relevant literature

Global Journal Prestige and Supporting Disciplines: A Scientometric Study of Information Systems Journals

Many argue that the Information Systems (IS) field is at a critical juncture in its evolving identity. In debating whether the IS field is in crisis, we agree with Hirschheim and Klein (2003) that ¡°reflective analysis¡± will contribute to the field¡¯s continued prosperity. Indeed, reflective analysis is needed to evaluate the journals of the field as well as IS journal rankings, which evaluate the effectiveness and productivity of researchers and the effectiveness and productivity of journals in communicating research results. After all, where and how we publish are fundamental aspects of the identity of the IS field¡ªreflecting our value systems, paradigms, cultural practices, reward systems, political hierarchy, and aspirations. This article reviews the results of the largest global, scientometric survey to date of IS journal rankings that targeted 8741 faculty from 414 IS departments world-wide, and resulted in 2559 responses, or a 32% response rate. Rather than using predetermined journal lists, the study required respondents to freely recall their top-four research journals. This research improves on the usual scientometric journal ranking studies by providing a foundation for further reflection and self-analysis. For instance, it first examines the global structure of the IS field and investigates perceptions among global IS academics concerning current research outlets. Specific results then illustrate the values and cultural norms in the global IS community that affect the evaluation of research and publication outlets. Finally, in addition to rankings of scholarly journals by the entire world-wide sample of IS academics, rankings are provided for top IS practitioner journals, most frequently read IS journals, top journals for the major IS supporting disciplines, and top journals by world region

Measuring Researcher-Production in Information Systems

While many studies have assessed IS researcher-production, most have focused on either ranking IS journals or assessing prolific researchers using a restricted time frame and a small inbasketld of journals (i.e., those journals selected for sampling). We found no research that has assessed the IS specificity of journals (i.e., the suitability of journals for publishing IS research) nor any that evaluated IS researcher-production measures. Based on a coding of over 26,000 articles and more than 1,900 authors, this study attempts such an evaluation by (1) determining the rate of publication of IS researchers in 58 journals perceived by at least one IS institution as IS specific, (2) profiling prolific and typical IS researchers using descriptive statistics, (3) evaluating the convergent validity of various researcher-production measures, (4) assessing the reliability of these researcher-production measures by varying baskets of Measuring Researcher-Production in Information Systems by C. Chua, L. Cao, K. Cousins, and D. W. Straub journals and time periods, and (5) comparing the sensitivity of measures across prolific and typical researchers. The study demonstrates that many journals perceived to be of high quality by IS researchers are not specifically targeted to information systems. Changing the evaluation procedure has a significant impact on measures of typical and prolific IS researchers. For typical IS researchers, measures of production are strongly convergent and are not sensitive to changes in journal baskets. However, for prolific researchers, measures of production are not convergent and highly sensitive to changes in journal baskets. The evaluation of both prolific and typical IS researchers is also highly sensitive to temporal effects. The differences in convergent validity and reliability demonstrate that prolific researchers are more sensitive to minor variations in the assessment procedure. Based on the empirical findings, the study closes with recommendations both for the evaluation of researcher-production and for developing institutional target journal lists, i.e., lists of journals viewed favorably by an institution

EOS: A project to investigate the design and construction of real-time distributed embedded operating systems

The EOS project is investigating the design and construction of a family of real-time distributed embedded operating systems for reliable, distributed aerospace applications. Using the real-time programming techniques developed in co-operation with NASA in earlier research, the project staff is building a kernel for a multiple processor networked system. The first six months of the grant included a study of scheduling in an object-oriented system, the design philosophy of the kernel, and the architectural overview of the operating system. In this report, the operating system and kernel concepts are described. An environment for the experiments has been built and several of the key concepts of the system have been prototyped. The kernel and operating system is intended to support future experimental studies in multiprocessing, load-balancing, routing, software fault-tolerance, distributed data base design, and real-time processing

Does “Evaluating Journal Quality and the Association for Information Systems Senior Scholars Journal Basket…” Support the Basket with Bibliometric Measures?

We re-examine “Evaluating Journal Quality and the Association for Information Systems Senior Scholars Journal Basket…” by Lowry et al. (2013). They sought to use bibliometric methods to validate the Basket as the eight top quality journals that are “strictly speaking, IS journals” (Lowry et al., 2013, pp. 995, 997). They examined 21 journals out of 140 journals considered as possible IS journals. We also expand the sample to 73 of the 140 journals. Our sample includes a wider range of approaches to IS, although all were suggested by IS scholars in a survey by Lowry and colleagues. We also use the same sample of 21 journals in Lowry et al. with the same methods of analysis so far as possible. With the narrow sample, we replicate Lowry et al. as closely as we can, whereas with the broader sample we employ a conceptual replication. This latter replication also employs alternative methods. For example, we consider citations (a quality measure) and centrality (a relevance measure in this context) as distinct, rather than merging them as in Lowry et al. High centrality scores from the sample of 73 journals do not necessarily indicate close connections with IS. Therefore, we determine which journals are of high quality and closely connected with the Basket and with their sample. These results support the broad purpose of Lowry et al., finding a wider set of high quality and relevant journals than just MISQ and ISR, and find a wider set of relevant, top quality journals

An Overview of Rendering from Volume Data --- including Surface and Volume Rendering

Volume rendering is a title often ambiguously used in science. One meaning often quoted is: `to render any three volume dimensional data set'; however, within this categorisation `surface rendering'' is contained. Surface rendering is a technique for visualising a geometric representation of a surface from a three dimensional volume data set. A more correct definition of Volume Rendering would only incorporate the direct visualisation of volumes, without the use of intermediate surface geometry representations. Hence we state: `Volume Rendering is the Direct Visualisation of any three dimensional Volume data set; without the use of an intermediate geometric representation for isosurfaces'; `Surface Rendering is the Visualisation of a surface, from a geometric approximation of an isosurface, within a Volume data set'; where an isosurface is a surface formed from a cross connection of data points, within a volume, of equal value or density. This paper is an overview of both Surface Rendering and Volume Rendering techniques. Surface Rendering mainly consists of contouring lines over data points and triangulations between contours. Volume rendering methods consist of ray casting techniques that allow the ray to be cast from the viewing plane into the object and the transparency, opacity and colour calculated for each cell; the rays are often cast until an opaque object is `hit' or the ray exits the volume