Thursday, August 24th

8:30-9:00 Registration
9:00-9:10 Welcome
9:10-10:40 Session-1: Query Processing  (4 papers)
10:40-11:40 Session-2: Analytics  (3 papers)
11:40-12:00 Coffee break
12:00-13:00 Session-3: Mixed Topics (3 papers)
13:00-13:45 Light Lunch
13:45-14:45 Keynote Talk 1 by Ippokratis Pandis
14:45-16:15 Session-4: Distributed Systems (4 papers)
16:15-16:30 Coffee Break
16:15-17:30 Demo Session
17:30-18:30 Session-5: Recommendation systems (3 papers)


 Friday, August 25th

9:00-10:30 Session-6 : Graphs (4 papers)
10:30-10:45 Coffee Break
10:45-12:15 Session-7 : Linked data (4 papers)
12:15-12:30 Coffee Break
12:30-13:30 Session-8 : Data Fusion and Integration (3 papers)
13:30-14:15 Light Lunch
14:15-15:15 Keynote Talk 2 by Stavros Papadopoulos
15:15-16:15 Session-9 : Spatial systems (3 papers)
16:15-16:30 Coffee Break
16:30-17:30 Session-10 : Streams and Scheduling (3 papers)
17:30-17:45 Recap - Closing Remarks


Papers clustered in sessions

  Session-1 : Query Processing (4 papers –  90min)

(17) Lefteris Zervakis, Christos Tryfonopoulos, Spiros Skiadopoulos and Manolis Koubarakis. Query Reorganization Algorithms for Efficient Boolean Information Filtering

(21) Mei Saouk, Christos Doulkeridis, Akrivi Vlachou and Kjetil Nørvåg. Efficient Processing of Top-k Joins in MapReduce

(34) Jaqueline Brito, Korhan Demirkaya, Boursier Etienne, Yannis Katsis, Chunbin Lin and Yannis Papakonstantinou. Efficient Approximate Query Answering over Sensor Data with Deterministic Error Guarantees  

(2) Petros Manousis, Apostolos Zarras, Panos Vassiliadis and George Papastefanatos. Extraction of Embedded Queries via Static Analysis of Host Code


  Session-2 : Analytics (3 papers – 60min)

(5) Katerina Doka, Nikolaos Papailiou, Victor Giannakouris - Salalidis, Dimitrios Tsoumakos and Nectarios Koziris. Mix ’n’ Match Multi-Engine Analytics


(22) Abdul Wasay, Xinding Wei, Niv Dayan and Stratos Idreos. Data Canopy: Accelerating Exploratory Statistical Analysis 


(33) Xristos Mallios, Vasilis Vassalos, Tassos Venetis and Akrivi Vlachou. A Framework for Clustering and Classification of Big Data using Spark


  Session-3 : Mixed Topics (3 papers – 60min)

(23) Niv Dayan, Manos Athanassoulis and Stratos Idreos . Monkey: Optimal Navigable Key-Value Store


(19) Michael Benedikt, George Konstantinidis, Giansalvatore Mecca, Boris Motik, Paolo Pappoti, Donatello Santoro and Efthymia Tsamoura. Benchmarking the Chase


(25) Ioannis Demertzis and Charalampos Papamanthou. Fast Searchable Encryption with Tunable Locality


  Session-4 : Distributed Systems (4 papers - 90 min)

✔  (4) Konstantinos Lolos, Ioannis Konstantinou, Verena Kantere and Nectarios Koziris. Adaptive State Space Partitioning of Markov Decision Processes for Elastic Resource Management


(28) Elena Kakoulli and Herodotos Herodotou. OctopusFS: A Distributed File System with Tiered Storage Management


  (8) Victor Giannakouris, Nikolaos Papailiou, Dimitrios Tsoumakos and Nectarios Koziris. MuSQLE: Distributed SQL Query Execution Over Multiple Engine Environments


  (11) Anastasios Gounaris, Georgia Kougka, Ruben Tous, Carlos Tripiana and Jordi Torres. Dynamic Configuration of Partitioning in Spark Applications


  Session-5 : Recommendation systems (3 papers – 60min)

(7) Hui Li, Tsz Nam Chan, Man Lung Yiu and Nikos Mamoulis. FEXIPRO: Fast and Exact Inner Product Retrieval in Recommender Systems


(13) Sergey Ivanov, Konstantinos Theocharidis, Manolis Terrovitis and Panagiotis Karras. Content Recommendation for Viral Social Influence


(14) Dimitris Sacharidis. Group Recommendations by Learning Rating Behavior


  Session-6 : Graphs (4 papers – 90min)

(9) Georgios Fakas. Diverse and proportional size-l object summaries using pairwise relevance 


(30) Fuad Jamour, Spiros Skiadopoulos and Panos Kalnis. Parallel Algorithm for Incremental Betweenness Centrality on Large Graphs


(31) Panagiotis Liakos, Alexandros Ntoulas and Alex Delis. Scalable Link Community Detection: A Local Dispersion-aware Approach


(16) Konstantinos Semertzidis and Evaggelia Pitoura. Εύρεση Ανθεκτικών Μοτίβων σε Ιστορικά Γραφήματα


  Session-7 : Linked data (4 papers – 90min)

(3) Alexandros Pappas, Georgia Troullinou, Haridimos Kondylakis and Dimitris Plexousakis. Exploring Importance Measures for Summarizing RDF/S KBs


(6) Michalis Mountantonakis and Yannis Tzitzikas. On Measuring the Lattice of Commonalities Among Several Linked Datasets

(18) Lefteris Zervakis, Christos Tryfonopoulos, Spiros Skiadopoulos and Manolis Koubarakis. Full-Text Support for Publish/Subscribe Ontology Systems

(20) Marios Meimaris, George Papastefanatos, Nikos Mamoulis and Ioannis Anagnostopoulos. Extended Characteristic Sets: Graph Indexing for SPARQL Query Optimization


  Session-8 : Data Fusion and Integration (3 papers - 60min)

(26) Vasilis Efthymiou, George Papadakis, Kostas Stefanidis and Vassilis Christophides. Μη Επαναληπτική και Παράλληλη Επίλυση Οντοτήτων Δεδομένων στον Παγκόσμιο Ιστό


(29) Yannis Foufoulas, Lefteris Stamatogiannakis, Harry Dimitropoulos and Yannis Ioannidis. High-Pass Text Filtering for Citation Matching


(32) Theodoros Rekatsinas, Manas Joglekar, Hector Garcia-Molina, Aditya Parameswaran and Christopher Re. SLiMFast: Guaranteed Results for Data Fusion and Source Reliability


  Session-9 : Spatial Systems (3 papers - 60min)

(1) Constantinos Costa, Georgios Chatzimilioudis, Demetrios Zeinalipour-Yazti and Mohamed F. Mokbel. Efficient Exploration of Telco Big Data with Compression and Decaying

(10) Kostas Patroumpas and Christos Koutras. Probabilistic k-Nearest Neighbor Monitoring of Moving Gaussians


(12) Artyom Nikitin, Christos Laoudias, Georgios Chatzimilioudis , Panagiotis Karras and Demetrios Zeinalipour-Yazti . Indoor Localization Accuracy Estimation from Fingerprint Data


  Session-10 : Streams and Scheduling (3 papers - 60min)

(15) Nikos R. Katsipoulakis, Alexandros Labrinidis and Panos K. Chrysanthis. A holistic view of stream partitioning costs


(24) Ilia Pietri, Yannis Chronis and Yannis Ioannidis. Multi-objective Optimization of Scheduling Dataflows on Heterogeneous Cloud Resources


(27) Christoforos Svingos, Theofilos Mailis, Herald Kllapi, Lefteris Stamatogianankis, Yannis Kotidis and Yannis Ioannidis. Real Time Processing of Streaming and Static Information