Innovations for Community Services : 18th International Conference, I4CS 2018, Žilina, Slovakia, June 18-20, 2018, Proceedings

This book constitutes the refereed proceedings of the 18th International Conference on Innovations for Community Services, I4CS 2018, held in Žilina, Slovakia, in June 2018. The 14 revised full papers and the three revised short papers presented in this volume were carefully reviewed and selected from 38 submissions. The papers are organized in topical sections on architectures and management; data analytics and models; community and public collaboration; innovations and digital transformation. Foreword 6 Preface 8 Organization 9 Contents 10 Architectures and Management 12 Microservice Architecture Within In-House Infrastructures for Enterprise Integration and Measurement: An Experience Report 13 1 Introduction 13 2 Related Work 15 3 WINNER Setup 16 4 Microservice Infrastructure Setup 17 5 Evaluation of Experiences 21 6 Discussion 24 7 Conclusion 25 References 26 Multi-agent Architecture of a MIBES for Smart Energy Management 28 1 Introduction 28 2 The MIBES Concept for Smart Energy Management 29 3 Multi-Institution Building Energy System (MIBES) 32 4 A Data Collection System for MIBES Smart Management 34 4.1 Data Collection System Architecture 34 4.2 Multi-agent System Architecture for MIBES Simulation 35 4.3 Multi-agent System Global Architecture 40 References 41 A C-ITS Central Station as a Communication Manager 43 1 Introduction 43 2 Related Works 44 3 System Architecture 45 3.1 Preliminaries 45 3.2 General System Architecture Description 45 3.3 Central Station Description 46 3.4 Client Description 48 4 Evaluation and Performance Analysis 49 5 Conclusion 51 References 52 Data Analytics and Models 54 Dynamic Social Network Analysis Using Author-Topic Model 55 1 Introduction 55 2 Preliminaries 56 2.1 Agent-Based Model 56 2.2 Topic Modeling 57 3 Agent-Based Model for Analyzing Dynamic Social Network Associated with Textual Information (Textual-ABM) 58 3.1 Text Collection and Pre-processing 59 3.2 Topic Modeling with ATM 59 3.3 Textual-ABM Construction 59 3.4 Update Process for Textual-ABM 60 4 Toy Example 60 5 Independent Cascade Model Based on Homophily (H-IC) 63 5.1 Independent Cascade Model (IC) 63 5.2 Similarity or Homophily Measure Between Two Agents 63 5.3 Random Independent Cascade Model on Static Agent's Network 64 5.4 H-IC Diffusion Model on Static Agent's Network 64 5.5 H-IC Diffusion on Dynamic Agent's Network 65 6 Experiments 66 6.1 Dataset 66 6.2 Setup 66 6.3 Model Evaluation 67 6.4 Results 67 7 Conclusion 69 References 69 Concept of Temporal Data Retrieval Undefined Value Management 71 Abstract 71 1 Introduction 71 2 Own Hybrid Architectural Solution 72 3 Data Access – Paths, Index Structures, Existing Solutions 75 4 Own Solution – DataObjTime, UndefTypeValue Database Object 77 5 Performance 78 6 Conclusion 81 Acknowledgement 82 References 82 New Method for Selecting Exemplars Application to Roadway Experimentation 83 1 Introduction 83 2 Sampling Method 84 2.1 Local Density 85 2.2 Nearest Neighbors 86 2.3 Number of Exemplars 86 3 Assessment of Sampling 87 4 Roadway Experimentation 89 5 Conclusion and Future Work 91 References 91 Temporal Flower Index Eliminating Impact of High Water Mark 93 Abstract 93 1 Introduction – Temporal Environment Characteristics 93 2 Existing Solutions 95 3 Own Solution 96 4 Performance 100 5 Conclusion 104 Acknowledgment 105 References 105 Acoustic Signal Analysis for Use in Compressed Sensing Application 107 Abstract 107 1 Introduction 107 2 Compressed Sensing 108 2.1 Sparse Representation of Signals 108 2.2 Sparse Solutions of the Linear Systems Equations 109 2.3 Compressed Sensing 109 2.4 Localization via WSN 111 2.5 Transmitted Signal 112 3 Conclusion 116 References 116 Community and Public Collaboration 117 Applying Recommender Approaches to the Real Estate e-Commerce Market 118 Abstract 118 1 Introduction 118 2 Related Work 119 2.1 Recommender Systems Within the Real Estate Domain 119 2.2 Deep Learning as a Recommender Algorithm 120 2.3 Factorization Machines as a Recommender Algorithm 121 3 Application of the Recommender Approach 122 3.1 User Journey 122 3.2 Data Engineering 124 3.3 Algorithms 124 4 Simulation Study 127 4.1 Setup 127 4.2 Metrics 128 5 Results 129 5.1 Cold-Start Performance 130 5.2 Domain Specific Analysis 131 6 Conclusion and Future Work 132 References 132 A Next Generation Chatbot-Framework for the Public Administration 134 1 Introduction 134 2 Problem Description 136 2.1 Requirements 136 2.2 The Analyzed Scenario in Detail 136 2.3 The Data Basis 136 2.4 Challenges 137 2.5 Discussion 137 3 Related Work 137 3.1 Personal Assistance Bots 138 3.2 IR Based Question-Answering Systems 138 3.3 Existing e-Government Chatbots 138 3.4 Discussion 139 4 Approach 139 4.1 Overall System Architecture 139 4.2 Dialog Management 140 4.3 Small Talk Component 141 4.4 Questions Related to Recent Events 141 4.5 Foreign Language Support 141 4.6 Knowledge Base Mapping 142 4.7 Recommender 142 4.8 Data Import Management 142 4.9 Answer Generation 143 4.10 The User Interface 143 4.11 Discussion 143 5 Evaluation 144 6 Conclusion and Future Work 147 References 148 Experimenting a Digital Collaborative Platform for Supporting Social Innovation in Multiple Settings 149 1 Introduction 149 2 The SOCRATIC Platform and Methodology 151 3 Research Methodology 153 4 The Pilot Scenarios 154 4.1 Experts in Team 154 4.2 Social Innovation Contest 156 4.3 Ciberplus 157 5 Discussion 158 5.1 The Overall Value of Digitally Supporting the SIP 158 5.2 Value of Specific Platform Components Towards the SIP 159 5.3 Process and Flexibility 161 5.4 The Importance of Facilitators 161 5.5 Physical Presence 162 6 Conclusion and Future Work 163 References 163 Innovations and Digital Transformation 165 Innovation Management Methods in the Aviation Industry 166 Abstract 166 1 Current Situation and Motivation 166 2 Market Insights and Research Needs 168 3 Innovation Methods Evaluation 169 3.1 Innovation Management Methods 169 3.2 Evaluation Criteria 171 3.3 Analysis of Applied Methods/Innovation Radar 171 3.4 Customer Segment Evaluation 172 3.5 Specific Evaluation of Applied Innovation Methods 174 4 Big Data Analytics as an Essential Method for Innovation Ideas Within the Aviation Industry 176 4.1 Fundamental Aspects of Big Data 176 4.2 General Technical Requirements 177 4.3 Reference Architecture 177 5 Summary and Outlook 180 References 180 Digital Transformation in Companies – Challenges and Success Factors 183 1 Introduction 183 2 Related Works 184 3 Conduction of Cross Case Study 185 4 First Findings from Our Case Studies 187 4.1 Issue: Drivers of Digitalizations 187 4.2 Issue: Objectives Behind Digitalization 188 4.3 Issue: Structural Challenges 189 4.4 Issue: Cultural Challenges 190 4.5 Issue: Data 192 4.6 Issue: Effects on Work 192 4.7 Issue: Interorganizational Effects 193 4.8 Issue: Resources for Digitalization 193 5 Discussion 194 6 Conclusion 196 References 197 Smart Mirror Devices 199 Abstract 199 1 Introduction 199 2 Related Work 200 3 Approach 204 4 Discussion and Future Work 206 References 208 Short Papers: Security and Systems 210 Secured Domain of Sensor Nodes - A New Concept 211 Abstract 211 1 Introduction 211 2 Motivation 212 3 The Concept of Secured Domain 213 4 Implementation of Secured Domain 215 4.1 Architecture of the Sensor Node 215 4.2 Organizational Activities 216 4.3 Procedures in the Security Domain 217 4.4 Demo of the Security Domain 218 5 Conclusion 220 References 220 Trends in Application of Machine Learning to Network-Based Intrusion Detection Systems 222 Abstract 222 1 Introduction 222 2 Background of Network Attacks and Their Detection 224 2.1 Intrusion Detection Systems Classification Based on Data Sources 224 2.2 Intrusion Detection Systems Classification Based on the Analysis Approach 225 3 Machine Learning Methods in NIDS and Their Evaluation Challenges 227 3.1 ML Methods in NIDS 227 3.2 Evaluation Challenges 228 4 Discussion 228 5 Conclusion 229 References 230 Acoustic Signal Classification Algorithm for WSN Node in Transport System 233 1 Introduction 233 2 Proposal of Method for Classification 234 3 Synthesis 234 3.1 Design of Frequency Filter 234 4 Normalization 235 4.1 Time Window 236 5 Principal Component Analysis – PCA 236 6 Neural Network 237 6.1 Neural Network Learning 237 7 Experiment 238 7.1 Input Database 238 7.2 Frequency Filters 240 7.3 Time Window 240 7.4 Principal Component Analysis – PCA 240 7.5 Neural Network 241 8 Classification Success Rate 241 9 Conclusion 241 References 242 Author Index 243 Front Matter ....Pages I-XII Front Matter ....Pages 1-1 Microservice Architecture Within In-House Infrastructures for Enterprise Integration and Measurement: An Experience Report (Sebastian Apel, Florian Hertrampf, Steffen Späthe)....Pages 3-17 Multi-agent Architecture of a MIBES for Smart Energy Management (Jérémie Bosom, Anna Scius-Bertrand, Haï Tran, Marc Bui)....Pages 18-32 A C-ITS Central Station as a Communication Manager (Geoffrey Wilhelm, Hacène Fouchal, Kevin Thomas, Marwane Ayaida)....Pages 33-43 Front Matter ....Pages 45-45 Dynamic Social Network Analysis Using Author-Topic Model (Kim Thoa Ho, Quang Vu Bui, Marc Bui)....Pages 47-62 Concept of Temporal Data Retrieval Undefined Value Management (Michal Kvet, Karol Matiasko)....Pages 63-74 New Method for Selecting Exemplars Application to Roadway Experimentation (Emilien Bourdy, Kandaraj Piamrat, Michel Herbin, Hacène Fouchal)....Pages 75-84 Temporal Flower Index Eliminating Impact of High Water Mark (Michal Kvet, Karol Matiasko)....Pages 85-98 Acoustic Signal Analysis for Use in Compressed Sensing Application (Veronika Olešnaníková, Ondrej Karpiš, Lukáš Čechovič, Judith Molka-Danielsen)....Pages 99-108 Front Matter ....Pages 109-109 Applying Recommender Approaches to the Real Estate e-Commerce Market (Julian Knoll, Rainer Groß, Axel Schwanke, Bernhard Rinn, Martin Schreyer)....Pages 111-126 A Next Generation Chatbot-Framework for the Public Administration (Andreas Lommatzsch)....Pages 127-141 Experimenting a Digital Collaborative Platform for Supporting Social Innovation in Multiple Settings (Thomas Vilarinho, Ilias O. Pappas, Simone Mora, Inès Dinant, Jacqueline Floch, Manuel Oliveira et al.)....Pages 142-157 Front Matter ....Pages 159-159 Innovation Management Methods in the Aviation Industry (Karl-Heinz Lüke, Johannes Walther, Daniel Wäldchen)....Pages 161-177 Digital Transformation in Companies – Challenges and Success Factors (Marcus Wolf, Arlett Semm, Christian Erfurth)....Pages 178-193 Smart Mirror Devices (Sven Von Hollen, Benjamin Reeh)....Pages 194-204 Front Matter ....Pages 205-205 Secured Domain of Sensor Nodes - A New Concept (Janusz Furtak, Zbigniew Zieliński, Jan Chudzikiewicz)....Pages 207-217 Trends in Application of Machine Learning to Network-Based Intrusion Detection Systems (Jakub Hrabovsky, Pavel Segec, Marek Moravcik, Jozef Papan)....Pages 218-228 Acoustic Signal Classification Algorithm for WSN Node in Transport System (Róbert Žalman, Michal Chovanec, Martin Revák, Ján Kapitulík)....Pages 229-238 Back Matter ....Pages 239-239 This book constitutes the refereed proceedings of the 18th International Conference on Innovations for Community Services, I4CS 2018, held in Zilina, Slovakia, in June 2018.The 14 revised full papers and the three revised short papers presented in this volume were carefully reviewed and selected from 38 submissions.