| Vol-1558 urn:nbn:de:0074-1558-2 Copyright © 2016 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors.

# EDBT/ICDT-WS 2016
EDBT/ICDT 2016 Workshops

### Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference (EDBT/ICDT 2016)

### Bordeaux, France, March 15, 2016.

Edited by

### EDBT/ICDT Workshop Chair
Themis Palpanas
EDBT Proceedings Chair
Kostas Stefanidis
General Chairs of EDBT/ICDT 2016 Workshops
Michele Berlingerio, IBM Research, Ireland
Devis Bianchini, Universita degli studi di Brescia, Italy
Veli Bicer, IBM Research, Ireland
Vassilis Christophides, INRIA-Paris, France
Alfredo Cuzzocrea, University of Trieste, Italy
Valeria De Antonellis, Universita degli studi di Brescia, Italy
Roberto De Virgilio, Universita Roma Tre, Italy
Holger Eichelberger, University of Hildesheim, Germany
Ekaterini Ioannou, Technical University of Crete, Greece
Verena Kantere, University of Geneva, Switzerland
Wolfgang Lehner, TU Dresden, Germany
Federica Mandreoli, University di Modena and Reggio Emilia, Italy
Riccardo Martoglia, University of Modena and Reggio Emilia, Italy
Mirco Nanni, KDDLab CNR Pisa, Italy
Claudia Niederee, L3S Research Center, Germany
George Papastefanatos, ATHENA Research Center, Greece
Torben Bach Pedersen, Aalborg University, Denmark
Wilma Penzo, University of Bologna, Italy
Roberto Trasarti, KDDLab CNR Pisa, Italy
Traian Marius Truta, Northern Kentucky University, USA
Dimitrios Tsoumakos, Ionian University, Greece
Stratis D. Viglas, University of Edinburgh, UK
Li Xiong, Emory University, USA

## Table of Contents

- Message from the Chairs
  Themis Palpanas, Evaggelia Pitoura, Wim Martens, Sofian Maabout

### Big Data Processing - Reloaded (BDPR)

- Leveraging Reconfigurable Computing in Distributed Real-time Computation Systems
  Apostolos Nydriotis, Pavlos Malakonakis, Nikos Pavlakis, Grigorios Chrysos, Ekaterini Ioannou, Euripides Sotiriades, Minos Garofalakis, Apostolos Dollas
- Impact-minimizing Runtime Switching of Distributed Stream Processing Algorithms
  Cui Qin, Holger Eichelberger
- Which is Better for kNN Query Processing in the Cloud: Sequential or Parallel
  Chong Zhang, Xiaoying Chen, Bin Ge, Weidong Xiao
- Unlock the Stock: User Topic Modeling for Stock Market Analysis
  Patrick Siehndel, Ujwal Gadiraju

### Data Mining and Smart Cities Applications (DAMASCA)

- MCSS: A Model for Car-Sharing System
  Enquan Ge, Jian Xu, Ming Xu, Ning Zheng, Youcheng Wang, Jingsheng Jiang
- Efficient Cube Construction for Smart City Data
  Michael Scriney, Mark Roantree
- Open Issues and Challenges on Time Series Forecasting for Water Consumption
  Pantelis Chronis, Giorgos Giannopoulos, Spiros Athanasiou
- The Origin of Heterogeneity in Human Mobility Ranges
  Luca Pappalardo

### Preservation of Evolving Big Data (DIACHRON)

- EvoGen: a Generator for Synthetic Versioned RDF
  Marios Meimaris
- Finding and Fixing Type Mismatches in the Evolution of Object-NoSQL Mappings
  Stefanie Scherzinger, Eduardo Cunha de Almeida, Thomas Cerqueus, Leandro Batista de Almeida, Pedro Holanda
- Understanding Ontology Evolution Beyond Deltas
  Georgia Troullinou, Giannis Roussakis, Haridimos Kondylakis, Kostas Stefanidis, Giorgos Flouris
- Biomedical Ontology Evolution in the EMBL-EBI Ontology Lookup Service
  Olga Vrousgou, Tony Burdett, Helen Parkinson, Simon Jupp
- Towards Publish/Subscribe Functionality on Graphs
  Lefteris Zervakis, Christos Tryfonopoulos, Vinay Setty, Stephan Seufert, Spiros Skiadopoulos

### Energy Data Management (EnDM)

- Efficient Incremental Smart Grid Data Analytics
  David Xi Cheng, Wojciech Golab, Paul A. S. Ward
- Characterizing Thermal Energy Consumption through Exploratory Data Mining Algorithms
  Tania Cerquitelli, Evelina Di Corso
- Data Management System for Energy Analytics and its Application to Forecasting
  Francesco Fusco, Ulrike Fischer, Vincent Lonij, Pascal Pompey, Jean-Baptiste Fiot, Bei Chen, Yiannis Gkoufas, Mathieu Sinn
- DeMand: A Tool for Evaluating and Comparing Device-Level Demand and Supply Forecast Models
  Bijay Neupane, Laurynas Siksnys, Torben Bach Pedersen
- Template-based Time Series Generation with Loom
  Lars Kegel, Martin Hahmann, Wolfgang Lehner

### Querying Graph Structured Data (GraphQ)

- Temporal Social Network: Storage, Indexing and Query Processing
  Xiaoying Chen, Chong Zhang, Bin Ge, Weidong Xiao
- Virtual Documents and Answer Priors in Keyword Search over Data Graphs
  Yehoshua Sagiv, Yosi Mass
- Time Traveling in Graphs using a Graph Database
  Konstantinos Semertzidis, Evaggelia Pitoura
- DIONYSUS: Towards Query-aware Distributed Processing of RDF Graph Streams
  Syed Gillani, Gauthier Picard, Frederique Laforest
- A Distributed Implementation of GXPath
  Maurizio Nole, Carlo Sartiani
- An Algebra and Equivalences to Transform Graph Patterns in Neo4j
  Jurgen Holsch, Michael Grossniklaus
- PageRank Revisited: On the Relationship between Node Degrees and Node Significances in Different Applications
  Jung Hyun Kim, K. Selcuk Candan, Maria Luisa Sapino
- Workload-aware Streaming Graph Partitioning
  Hugo Firth, Paolo Missier

### Linked Web Data Management (LWDM)

- Extraction Algorithms for Hierarchical Header Structures from Spreadsheets
  Keisuke Goto, Yuiko Ohta, Hiroya Inakoshi, Nobuhiro Yugami
- Exploration and Visualization in the Web of Big Linked Data: A Survey of the State of the Art
  Nikos Bikakis, Timos Sellis
- Looking for the Best Historical Window for Assessing Semantic Similarity Using Human Literature
  Jorge Martinez-Gil, Mario Pichler, Lorena Paoletti

### Multi-Engine Data AnaLytics (MEDAL)

- The Data Management Entity: A Simple Abstraction to Facilitate Big Data Systems Interoperability
  Damianos Chatziantoniou, Florents Tselai
- Weighted Sum Model for Multi-Objective Query Optimization for Mobile-Cloud Database Environments
  Florian Helff, Le Gruenwald, Laurent d'Orazio
- Operator and Workflow Optimization for High-Performance Analytics
  Hans Vandierendonck, Karen L. Murphy, Mahwish Arif, Jiawen Sun, Dimitrios S. Nikolopoulos
- Large Scale Sentiment Analysis on Twitter with Spark
  Nikolaos Nodarakis, Spyros Sioutas, Athanasios Tsakalidis, Giannis Tzimas
- MELOGRAPH: Multi-Engine WorkfLOw Graph Processing
  Camelia Elena Ciolac
- Optimizing, Planning and Executing Analytics Workflows over Multiple Engines
  Katerina Doka, Maxim Filatov, Victor Giannakouris, Verena Kantere, Nectarios Koziris, Christos Mantas, Nikolaos Papailiou, Vassilis Papaioannou, Dimitrios Tsoumakos
- Towards an Analytics Query Engine
  Nantia Makrynioti, Vasilis Vassalos
- A Relational Approach to Complex Dataflows
  Yannis Chronis, Yannis Foufoulas, Vaggelis Nikolopoulos, Alexandros Papadopoulos, Lefteris Stamatogiannakis, Christoforos Svingos, Yannis Ioannidis
- Polystore Query Rewriting: The Challenges of Variety
  Yannis Papakonstantinou

### Privacy and Anonymity in the Information Society (PAIS)

- Differential Privacy Preserving Regression Analysis and Deep Learning
  Xintao Wu
- Towards Privacy-preserving Mobile Location Analytics
  Marius Gassen, Hervais Simo Fhom
- A Comprehensive Sanitization Approach for Workflow Provenance Graphs
  Noha Nagy Mohy, Hoda M. O. Mokhtar, Mohamed E. El-Sharkawi
- Using Robust Estimation Theory to Design Efficient Secure Multiparty Linear Regression
  Fida K. Dankar, Sabri Boughorbel, Radja Badji
- Formal Models for Privacy
  Alan Abe, Andrew Simpson
- Using Randomized Response for Differential Privacy Preserving Data Collection
  Yue Wang, Xintao Wu, Donghui Hu
- Access Pattern Confidentiality-Preserving Relational Databases: Deployment Concept and Efficiency Evaluation
  Alexander Degitz, Jens Köhler, Hannes Hartenstein
- Big Data Provenance: State-Of-The-Art Analysis and Emerging Research Challenges
  Alfredo Cuzzocrea

We offer a BibTeX file for citing papers of this workshop from LaTeX.

2016-02-17: submitted by Kostas Stefanidis, metadata incl. bibliographic data published under Creative Commons CC0
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