521 research outputs found

    Guided Interaction Exploration in Artifact-centric Process Models

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    Artifact-centric process models aim to describe complex processes as a collection of interacting artifacts. Recent development in process mining allow for the discovery of such models. However, the focus is often on the representation of the individual artifacts rather than their interactions. Based on event data we can automatically discover composite state machines representing artifact-centric processes. Moreover, we provide ways of visualizing and quantifying interactions among different artifacts. For example, we are able to highlight strongly correlated behaviours in different artifacts. The approach has been fully implemented as a ProM plug-in; the CSM Miner provides an interactive artifact-centric process discovery tool focussing on interactions. The approach has been evaluated using real life data sets, including the personal loan and overdraft process of a Dutch financial institution.Comment: 10 pages, 4 figures, to be published in proceedings of the 19th IEEE Conference on Business Informatics, CBI 201

    The Influence of Shopping Website Design on Consumer’s Intention to Buy Online: The Case of 3D vs. 2D Online Book Stores

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    As increasing number of consumers take their business on-line, retailers try to gain competitive advantage through innovativedesign of their electronic storefronts. In the last few years, more and more three dimensional online stores (3D) have becomean alternative to the more traditional two dimensional ones (2D). The goal of this study is to examine the influence ofshopping website design (3D vs. 2D websites) on consumer’s intention to buy online. We draw from research in electroniccommerce, web-site design, technology acceptance and psychology, and propose a model that seeks to explain the influenceof online store front design on shopping outcomes through of such mediators as user perceptions and cognitive absorption.The proposed model offers useful insights to researchers and practitioners alike

    Sustainability of Free/Libre Open Source Projects: A Longitudinal Study

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    This paper examines the factors that influence the long-term sustainability of FLOSS projects. A model of project sustainability based on organizational ecology is developed and tested empirically. Data about activity and contribution patterns over the course of five years for 2,772 projects registered with SourceForge is analyzed. Our results suggest that the size of the project’s development base, project age and the size of niche occupied by the project are positively related to the project’s ability to attract user and/or developer resources. The ability to attract resources is an indicator of the perceived project legitimacy, which in turn is a strong predictor of the project’s future sustainability. Thus a project’s ability to attract developer and user resources is shown to play a mediating role between the demographic (size and age) and ecological (niche) characteristics of the project and its future sustainability. Our results support the applicability of tenets of organizational ecology related to the liability of smallness, the liability of newness, and population characteristics (niche size) to the FLOSS development environment. The implications of the results for future research and practice are discussed

    Nanomineral complexes of buried weathering crust of the east of the Russian Plate

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    © SGEM2014. All rights reserved. In the deep horizons of the East of the Russian plate the formation of buried weathering crust - a prospective reservoir zone - is developed. This work is devoted to the studying of features of forming of nanomineral complexes of the clay minerals which form the hollow space of this formation

    A novel, two-step synthesis of 4-pyridone-3-carboxamides from 2-cyano-4-pyrones

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    Reactions of 2-cyano-6-(trifluoromethyl)-4-pyrone, 2-cyano-4-pyrone, and 2-cyano-6-methyl-4-pyrone with aliphatic and aromatic amines in ethanol at -20 C for 2-21 days gave 5-amino-3-oxopent-4-enamides in 28-78% yields, which were cyclized with DMF-DMA in toluene under ambient conditions to afford 4-pyridone-3-carboxamides in 31-70% yields. © 2013 Elsevier Ltd. All rights reserved

    Use of innovative gaming technologies in teaching computer science students

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    The article deals with the possibilities of using innovative gaming technologies to enhance the educational and cognitive activity of students in the study of informaticsРассматриваются возможности применения инновационных игровых технологий для активизации учебно-познавательной деятельности студентов при изучении информатик

    Morphological and genetic types of unconventional reservoir zones within basement of the Tatar arch

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    © SGEM2016.The structure of the Tatar arch (Eastern Russian Plate) includes several morphological and genetic types of unconventional reservoirs. The first type is presented by areal weathering crust (boundary between the sedimentary cover and the basement surface). It is characterized by the presence of weathering profile, zonal profile and diverse mineral composition of the clay component. Linear type is another morphological type of weathering crust. It has the local development in the territory of the Tatar arch and depends on fault tectonics of the basement. Peculiarity of the linear crust is in the absence of weathering profile and zoning. Destruction zone is another morphological and genetic type of unconventional reservoirs. In the body of the South-Tatar arch basement (below 3 km) specific zones – destructions zones (crushing and decompression) are established. They are metasomatic sub-horizontal geological and geodynamic formations. Destruction areas are divided into two types: compression and decompression. Their formation is associated with geodynamic stages of the basement development and the impact of late low-temperature processes. Zones have high capability of voids. The main processes are leaching, corrosion, exposure to low-temperature hydrothermal solutions to the metamorphic substrate. Allocated morphological and genetic types (weathering crust and destruction zones) with high reservoir characteristics can serve as unconventional reservoir zones at great depths of the Tatar arch
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