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This book constitutes the refereed proceedings of the 11th SIGSAND/PLAIS EuroSymposium 2018 held in Gdansk, Poland, on September 20, 2018.

The objective of the EuroSymposium on Systems Analysis and Design is to promote and develop high quality research on all issues related to information systems (IS) and in particular in systems analysis and design (SAND).

The 14 papers presented in this volume were carefully reviewed and selected from 36 submissions. They were organized in topical sections named: systems development and engineering; systems acceptance and usability; internet of things and big data; and healthcare IT.

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Systems Development and Engineering.- A Performance Measurement System for Software Testing Process.- Towards Improving the Search Quality on the Trading Platforms.- A Review of Fundamental Tasks in Requirements Elicitation.- Effective Decision Making in Supply Chain Management.- Systems Acceptance and Usability.- The Acceptance of Mobile Technology in Knowledge Providing Model from the Perspective of User´s Characteristics.- Determinants of Academic E-Learning Systems Acceptance.- Language of Benefits as a Novel Tool for Improving Website Personalization.- Internet of Things and Big Data.- IoT and its role in developing Smart Cities.- Proposing a Behavior-Based IDS Model for IoT Environment.- Attacking strategy of multiple unmanned surface vehicles based on DAMGWO algorithm.- A Study of Multi-Label Event Types Recognition on Chinese Financial Texts.- Healthcare IT.- Implementation of ICT for Active and Healthy Ageing: Comparing Value-based Objectives between Polish and Swedish Seniors.- Analysing Opportunities and Challenges of Integrated Blockchain Technologies in Healthcare.- A Productivity Dashboard for Hospitals: An Empirical Study.

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