Sustainable Data Lakes for Extreme-Scale Analytics

Leistungen

Initial version of the HIN mining engine

Prototype implementation of the HIN mining library, including functionalities for similarity search and browsing, entity resolution and entity ranking.

Initial version of the visual analytics engine

First prototype of the visual analytics layer, including basic functionalities for interactive visual analytics over spatial, temporal and network data.

Final version of the visual analytics engine

Final prototype of the visual analytics engine including all functionalities for HIN exploration and analysis via scalable and interactive visualizations

Final version of the HIN mining engine

Final prototype of the Heterogeneous Information Network mining library

Query engine over virtualized data

Includes the query planning and execution operators for natively supporting queries over virtualized, heterogeneous data.

Final evaluation report

Final overall report and assessment of the SmartDataLake system including the feedback from the pilot testing and validation

Interactive visual analytics model

Model specification driving the interactive visualizations for HIN exploration, analysis and mining, including the visual interfaces and interactions for feature space exploration, model selection and parameter tuning.

System architecture

The initial architecture of the SmartDataLake platform, its individual components, and their interfaces.

Automated storage tiering

Cost model and algorithms for analytics over cold storage and for automated data placement in different storage tiers

Monitoring and assessing changes in evolving HINs

Techniques and algorithms for monitoring the temporal evolution of HINs and detecting and assessing the impact of changes

Similarity search, entity resolution and ranking

Includes the attribute-based and link-based similarity measures, techniques and algorithms for search and browsing over multi-typed entities and relations, as well as the algorithms for entity resolution and ranking.

Scalable visualization techniques for spatial, temporal and graph data

Techniques and algorithms for efficient and scalable visualizations of spatiotemporal data and information networks

Data synopses for approximate analytics

Algorithms for approximate query answering and analytics based on adaptive data synopses.

Link prediction and community detection in HINs

Algorithms for predicting new relations and discovering entity groups and communities combining attributebased and linkbased features

Veröffentlichungen

GGDs : Graph Generating Dependencies

Autoren: Shimomura, Larissa C.; Fletcher, George; Yakovets, Nikolay
Veröffentlicht in: Proceedings of the 29th ACM International Conference on Information & Knowledge Management, 2020, Seite(n) 2217-2220
Herausgeber: ACM
DOI: 10.1145/3340531.3412149

Link Prediction in Bibliographic Networks

Autoren: Chronis, Pantelis, Skoutas, Dimitrios, Athanasiou, Spiros, & Skiadopoulos, Spiros
Veröffentlicht in: 1st International Workshop on Assessing Impact and Merit in Science (AIMinScience), 2020
Herausgeber: Springer
DOI: 10.1007/978-3-030-55814-7_28

Accelerating Complex Analytics using Speculation

Autoren: Panagiotis Sioulas, Viktor Sanca, Ioannis Mytilinis, Anastasia Ailamaki
Veröffentlicht in: International Conference on Innovative Data Systems Research (CIDR), 2021
Herausgeber: www.cidrdb.org

Speculative Execution of Similarity Queries: Real-Time Parameter Optimization through Visual Exploration

Autoren: Thilo Spinner, Udo Schlegel, Martin Schall, Fabian Sperrle, Rita Sevastjanova, Beatrice Gobbo, Julius Rauscher, Mennatallah El-Assady, Daniel A. Keim
Veröffentlicht in: 1st International Workshop on Data Analytics and Machine Learning Made Simple, 2021
Herausgeber: CEUR Workshop Proceedings (CEUR-WS.org)

Twin Subsequence Search in Time Series

Autoren: Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos
Veröffentlicht in: 24th International Conference on Extending Database Technology (EDBT), 2021, Seite(n) 475-480
Herausgeber: OpenProceedings.org

Hardware-Conscious Sliding Window Aggregation on GPUs

Autoren: Georgios Michas, Periklis Chrysogelos, Ioannis Mytilinis, Anastasia Ailamaki
Veröffentlicht in: International Workshop on Data Management on New Hardware (DaMoN), 2021, Seite(n) 13:1-13:5
Herausgeber: ACM
DOI: 10.1145/3465998.3466014

A Visual Explorer for Geolocated Time Series

Autoren: Chatzigeorgakidis, Georgios, Patroumpas, Kostas, Skoutas, Dimitrios, & Athanasiou, Spiros
Veröffentlicht in: 28th International Conference on Advances in Geographic Information Systems (SIGSPATIAL), 2020, Seite(n) 413-416
Herausgeber: ACM
DOI: 10.1145/3397536.3422345

Boosting Efficiency of External Pipelines by Blurring Application Boundaries

Autoren: Anna Herlihy, Periklis Chrysogelos, Anastasia Ailamaki
Veröffentlicht in: International Conference on Innovative Data Systems Research (CIDR), 2022
Herausgeber: CIDR

VeTo-web: A Recommendation Tool for the Expansion of Sets of Scholars

Autoren: Serafeim Chatzopoulos, Thanasis Vergoulis, Theodore Dalamagas, & Christos Tryfonopoulos
Veröffentlicht in: ACM/IEEE Joint Conference on Digital Libraries, 2021
Herausgeber: IEEE
DOI: 10.5281/zenodo.5548163

Easy Spark

Autoren: Ylaise van den Wildenberg, Wouter W. L. Nuijten, Odysseas Papapetrou
Veröffentlicht in: 1st International Workshop on Data Analytics and Machine Learning Made Simple, 2021
Herausgeber: CEUR-WS.org

SciNeM: A Scalable Data Science Tool for Heterogeneous Network Mining

Autoren: Serafeim Chatzopoulos, Thanasis Vergoulis, Panagiotis Deligiannis, Dimitrios Skoutas, Theodore Dalamagas, Christos Tryfonopoulos
Veröffentlicht in: 24th International Conference on Extending Database Technology (EDBT), 2021, Seite(n) 654-657
Herausgeber: OpenProceedings.org

Multi-Attribute Similarity Search for Interactive Data Exploration

Autoren: Kostas Patroumpas, Alexandros Zeakis, Dimitrios Skoutas, Roberto Santoro
Veröffentlicht in: 1st International Workshop on Data Analytics and Machine Learning Made Simple, 2021
Herausgeber: CEUR Workshop Proceedings (CEUR-WS.org)

SPHINX: A System for Metapath-based Entity Exploration in Heterogeneous Information Networks

Autoren: Serafeim Chatzopoulos; Kostas Patroumpas; Alexandros Zeakis; Thanasis Vergoulis; Dimitrios Skoutas
Veröffentlicht in: International Conference on Very Large Data Bases (VLDB), 2020, Seite(n) 2913-2916
Herausgeber: VLDB Endowment
DOI: 10.14778/3415478.3415507

Towards Proximity Graph Auto-configuration: An Approach Based on Meta-learning

Autoren: Rafael Seidi Oyamada, Larissa Shimomura, Sylvio Barbon Junior, Daniel Kaster
Veröffentlicht in: European Conference on Advances in Databases and Information Systems (ADBIS), 2020, Seite(n) 93-107
Herausgeber: Springer

Storage Management in Smart Data Lake

Autoren: Haoqiong Bian, Bikash Chandra, Ioannis Mytilinis, Anastasia Ailamaki
Veröffentlicht in: 1st International Workshop on Data Analytics and Machine Learning Made Simple, 2021
Herausgeber: CEUR Workshop Proceedings (CEUR-WS.org)

A Parallel and Distributed Approach for Diversified Top-k Best Region Search

Autoren: Hamid Shahrivari; Matthaios Olma; Odysseas Papapetrou; Dimitrios Skoutas; Anastasia Ailamaki
Veröffentlicht in: Proceedings of the 23rd International Conference on Extending Database Technology (EDBT), 2020, Seite(n) 265-276
Herausgeber: OpenProceedings
DOI: 10.5441/002/edbt.2020.24

Local Similarity Search on Geolocated Time Series Using Hybrid Indexing

Autoren: Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos
Veröffentlicht in: Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019, Seite(n) 179-188, ISBN 9781-450369091
Herausgeber: ACM
DOI: 10.1145/3347146.3359349

Scalable temporal clique enumeration

Autoren: Kaijie Zhu, George Fletcher, Nikolay Yakovets, Odysseas Papapetrou, Yuqing Wu
Veröffentlicht in: Proceedings of the 16th International Symposium on Spatial and Temporal Databases, 2019, Seite(n) 120-129, ISBN 9781-450362801
Herausgeber: ACM
DOI: 10.1145/3340964.3340987

Local Pair and Bundle Discovery over Co-Evolving Time Series

Autoren: Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos
Veröffentlicht in: Proceedings of the 16th International Symposium on Spatial and Temporal Databases, 2019, Seite(n) 160-169, ISBN 9781-450362801
Herausgeber: ACM
DOI: 10.1145/3340964.3340982

Automatic Clustering by Detecting Significant Density Dips in Multiple Dimensions

Autoren: Pantelis Chronis, Spiros Athanasiou, Spiros Skiadopoulos
Veröffentlicht in: 2019 IEEE International Conference on Data Mining (ICDM), 2019, Seite(n) 91-100, ISBN 978-1-7281-4604-1
Herausgeber: IEEE
DOI: 10.1109/icdm.2019.00019

Taster: Self-Tuning, Elastic and Online Approximate Query Processing

Autoren: Matthaios Olma, Odysseas Papapetrou, Raja Appuswamy, Anastasia Ailamaki
Veröffentlicht in: 2019 IEEE 35th International Conference on Data Engineering (ICDE), 2019, Seite(n) 482-493, ISBN 978-1-5386-7474-1
Herausgeber: IEEE
DOI: 10.1109/icde.2019.00050

GPU-accelerated data management under the test of time

Autoren: Aunn Raza; Periklis Chrysogelos; Panagiotis Sioulas; Vladimir Indjic; Angelos Christos Anadiotis; Anastasia Ailamaki
Veröffentlicht in: Conference on Innovative Data Systems Research (CIDR), Ausgabe 1, 2020
Herausgeber: www.cidrdb.org
DOI: 10.5281/zenodo.3827490

Similarity search over enriched geospatial data

Autoren: Kostas Patroumpas, Dimitrios Skoutas
Veröffentlicht in: Proceedings of the Sixth International ACM SIGMOD Workshop on Managing and Mining Enriched Geo-Spatial Data, 2020, Seite(n) 1-6, ISBN 9781-450380355
Herausgeber: ACM
DOI: 10.1145/3403896.3403967

JedAI3: beyond batch, blocking-based Entity Resolution

Autoren: George Papadakis; Leonidas Tsekouras; Manos Thanos; Nikiforos Pittaras; Giovanni Simonini; Dimitrios Skoutas; Paul Isaris; George Giannakopoulos; Themis Palpanas; Manolis Koubarakis
Veröffentlicht in: Proceedings of the 23rd International Conference on Extending Database Technology (EDBT), 2020, Seite(n) 603-606
Herausgeber: OpenProceedings
DOI: 10.5441/002/edbt.2020.74

Adaptive HTAP through Elastic Resource Scheduling

Autoren: Aunn Raza, Periklis Chrysogelos, Angelos Christos Anadiotis, Anastasia Ailamaki
Veröffentlicht in: Proceedings of the 2020 ACM SIGMOD International Conference on Management of Data, 2020, Seite(n) 2043-2054, ISBN 9781-450367356
Herausgeber: ACM
DOI: 10.1145/3318464.3389783

Discovering Mixture-Based Best Regions of Arbitrary Shapes

Autoren: Skoutas, Dimitrios, Sacharidis, Dimitris, & Patroumpas, Kostas
Veröffentlicht in: 29th International Conference on Advances in Geographic Information Systems (SIGSPATIAL), 2021, Seite(n) 468-479
Herausgeber: ACM
DOI: 10.1145/3474717.3484215

A system design for elastically scaling transaction processing engines in virtualized servers

Autoren: Angelos-Christos G. Anadiotis, Raja Appuswamy, Anastasia Ailamaki, Ilan Bronshtein, Hillel Avni, David Dominguez-Sal, Shay Goikhman, Eliezer Levy
Veröffentlicht in: Proceedings of the VLDB Endowment, 2020, Seite(n) 3085-3098
Herausgeber: VLDB Endowment
DOI: 10.14778/3415478.3415536

The Unmet Data Visualization Needs of Decision Makers within Organizations

Autoren: Evanthia Dimara, Harry Zhang, Melanie Tory, Steven Franconeri
Veröffentlicht in: IEEE Transactions on Visualization and Computer Graphics (TVCG), 2021, ISSN 1077-2626
Herausgeber: Institute of Electrical and Electronics Engineers

explAIner: A Visual Analytics Framework for Interactive and Explainable Machine Learning

Autoren: Thilo Spinner, Udo Schlegel, Hanna Schafer, Mennatallah El-Assady
Veröffentlicht in: IEEE Transactions on Visualization and Computer Graphics, 2019, Seite(n) 1-1, ISSN 1077-2626
Herausgeber: Institute of Electrical and Electronics Engineers
DOI: 10.1109/TVCG.2019.2934629

Visual Exploration of Geolocated Time Series with Hybrid Indexing

Autoren: Georgios Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou, Spiros Skiadopoulos
Veröffentlicht in: Big Data Research, Ausgabe 15, 2019, Seite(n) 12-28, ISSN 2214-5796
Herausgeber: Elsevier Inc.
DOI: 10.1016/j.bdr.2019.02.001

Uncertainty-Aware Principal Component Analysis

Autoren: Jochen Gortler, Thilo Spinner, Dirk Streeb, Daniel Weiskopf, Oliver Deussen
Veröffentlicht in: IEEE Transactions on Visualization and Computer Graphics, Ausgabe 26/1, 2020, Seite(n) 822-831, ISSN 1077-2626
Herausgeber: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tvcg.2019.2934812

Blocking and Filtering Techniques for Entity Resolution

Autoren: George Papadakis, Dimitrios Skoutas, Emmanouil Thanos, Themis Palpanas
Veröffentlicht in: ACM Computing Surveys, Ausgabe 53/2, 2020, Seite(n) 1-42, ISSN 0360-0300
Herausgeber: Association for Computing Machinary, Inc.
DOI: 10.1145/3377455

v‐plots: Designing Hybrid Charts for the Comparative Analysis of Data Distributions

Autoren: Michael Blumenschein, Luka J. Debbeler, Nadine C. Lages, Britta Renner, Daniel A. Keim, Mennatallah El‐Assady
Veröffentlicht in: Computer Graphics Forum, Ausgabe 39/3, 2020, Seite(n) 565-577, ISSN 0167-7055
Herausgeber: Blackwell Publishing Inc.
DOI: 10.1111/cgf.14002

VeTo+: improved expert set expansion in academia

Autoren: Serafeim Chatzopoulos, Thanasis Vergoulis, Theodore Dalamagas, Christos Tryfonopoulos
Veröffentlicht in: International Journal of Digital Libraries (IJDL), 2021, ISSN 1432-5012
Herausgeber: Springer Verlag

Leistungen

Veröffentlichungen

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