Zografoula Vagena

According to our database, Zografoula Vagena authored at least 39 papers between 2000 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Semantic aware representation learning for optimizing image retrieval systems in radiology.

Zografoula Vagena, Xiaoyang Wei, Camille Kurtz, Florence Cloppet

Pattern Recognit., 2025

2024

American politics in 3D: measuring multidimensional issue alignment in social media using social graphs and text data.

Pedro Ramaciotti, Duncan Cassells, Zografoula Vagena, Jean-Philippe Cointet, Michael Bailey

Appl. Netw. Sci., December, 2024

Integrating Expert Knowledge with Vision-Language Model for Medical Image Retrieval.

Xiaoyang Wei, Zografoula Vagena, Camille Kurtz, Florence Cloppet

Proceedings of the IEEE International Symposium on Biomedical Imaging, 2024

2022

Named Entity Recognition in Long Documents: An End-to-end Case Study in the Legal Domain.

Hossein Keshavarz, Zografoula Vagena, Pigi Kouki, Ilias Fountalis, Mehdi Mabrouki, Aziz Belaweid, Nikolaos Vasiloglou

Proceedings of the IEEE International Conference on Big Data, 2022

Embedding social graphs from multiple national settings in common empirical opinion spaces.

Pedro Ramaciotti, Zografoula Vagena

Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2022

2020

Causality-based Explanation of Classification Outcomes.

Leopoldo E. Bertossi, Jordan Li, Maximilian Schleich, Dan Suciu, Zografoula Vagena

Proceedings of the Fourth Workshop on Data Management for End-To-End Machine Learning, 2020

2017

Declarative Probabilistic Programming with Datalog.

Vince Bárány, Balder ten Cate, Benny Kimelfeld, Dan Olteanu, Zografoula Vagena

ACM Trans. Database Syst., 2017

2014

Declarative Statistical Modeling with Datalog.

Vince Bárány, Balder ten Cate, Benny Kimelfeld, Dan Olteanu, Zografoula Vagena

CoRR, 2014

A comparison of platforms for implementing and running very large scale machine learning algorithms.

Zhuhua Cai, Zekai J. Gao, Shangyu Luo, Luis Leopoldo Perez, Zografoula Vagena, Christopher M. Jermaine

Proceedings of the International Conference on Management of Data, 2014

2013

Simulation of database-valued markov chains using SimSQL.

Zhuhua Cai, Zografoula Vagena, Luis Leopoldo Perez, Subramanian Arumugam, Peter J. Haas, Christopher M. Jermaine

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2013

Topic Models For Feature Selection in Document Clustering.

Anna Drummond, Chris Jermaine, Zografoula Vagena

Proceedings of the 13th SIAM International Conference on Data Mining, 2013

The Pairwise Gaussian Random Field for High-Dimensional Data Imputation.

Zhuhua Cai, Christopher M. Jermaine, Zografoula Vagena, Dionysios Logothetis, Luis Leopoldo Perez

Proceedings of the 2013 IEEE 13th International Conference on Data Mining, 2013

2011

Dissemination of Models over Time-Varying Data.

Yongluan Zhou, Zografoula Vagena, Jonas Haustad

Proc. VLDB Endow., 2011

2010

Strongly consistent replication for a bargain.

Konstantinos Krikellas, Sameh Elnikety, Zografoula Vagena, Orion Hodson

Proceedings of the 26th International Conference on Data Engineering, 2010

2009

Finding the K highest-ranked answers in a distributed network.

Demetrios Zeinalipour-Yazti, Zografoula Vagena, Vana Kalogeraki, Dimitrios Gunopulos, Vassilis J. Tsotras, Michail Vlachos, Nick Koudas, Divesh Srivastava

Comput. Networks, 2009

2008

XML Structural Summaries.

Mirella Moura Moro, Zografoula Vagena, Vassilis J. Tsotras

Proc. VLDB Endow., 2008

SEDA: a system for search, exploration, discovery, and analysis of XML Data.

Andrey Balmin, Latha S. Colby, Emiran Curtmola, Quanzhong Li, Fatma Özcan, Sharath Srinivas, Zografoula Vagena

Proc. VLDB Endow., 2008

Distributed Top-K Query Processing in Wireless Sensor Networks.

Demetrios Zeinalipour-Yazti, Zografoula Vagena

Proceedings of the 9th International Conference on Mobile Data Management (MDM 2008), 2008

2007

On the Effectiveness of Flexible Querying Heuristics for XML Data.

Zografoula Vagena, Latha S. Colby, Fatma Özcan, Andrey Balmin, Quanzhong Li

Proceedings of the Database and XMLTechnologies, 5th International XML Database Symposium, 2007

Value-Aware RoXSum: Effective Message Aggregation for XML-Aware Information Dissemination.

Zografoula Vagena, Mirella Moura Moro, Vassilis J. Tsotras

Proceedings of the Tenth International Workshop on the Web and Databases, 2007

The Role of Structural Summaries for XML Retrieval.

Mirella Moura Moro, Zografoula Vagena

Proceedings of the XXII Simpósio Brasileiro de Banco de Dados, 2007

RoXSum: Leveraging Data Aggregation and Batch Processing for XML Routing.

Zografoula Vagena, Mirella Moura Moro, Vassilis J. Tsotras

Proceedings of the 23rd International Conference on Data Engineering, 2007

2006

Evaluating structural summaries as access methods for XML.

Mirella Moura Moro, Zografoula Vagena, Vassilis J. Tsotras

Proceedings of the 15th international conference on World Wide Web, 2006

Recovery from "bad" user transactions.

David B. Lomet, Zografoula Vagena, Roger S. Barga

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2006

RIVA: Indexing and Visualization of High-Dimensional Data Via Dimension Reorderings.

Michail Vlachos, Spiros Papadimitriou, Zografoula Vagena, Philip S. Yu

Proceedings of the Knowledge Discovery in Databases: PKDD 2006, 2006

2005

Efficient Handling of Positional Predicates Within XML Query Processing.

Zografoula Vagena, Nick Koudas, Divesh Srivastava, Vassilis J. Tsotras

Proceedings of the Database and XML Technologies, 2005

Answering order-based queries over XML data.

Zografoula Vagena, Nick Koudas, Divesh Srivastava, Vassilis J. Tsotras

Proceedings of the 14th international conference on World Wide Web, 2005

Tree-Pattern Queries on a Lightweight XML Processor.

Mirella Moura Moro, Zografoula Vagena, Vassilis J. Tsotras

Proceedings of the 31st International Conference on Very Large Data Bases, Trondheim, Norway, August 30, 2005

A Multi-metric Index for Euclidean and Periodic Matching.

Michail Vlachos, Zografoula Vagena, Vittorio Castelli, Philip S. Yu

Proceedings of the Knowledge Discovery in Databases: PKDD 2005, 2005

The threshold join algorithm for top-k queries in distributed sensor networks.

Demetrios Zeinalipour-Yazti, Zografoula Vagena, Dimitrios Gunopulos, Vana Kalogeraki, Vassilis J. Tsotras, Michail Vlachos, Nick Koudas, Divesh Srivastava

Proceedings of the 2nd Workshop on Data Management for Sensor Networks, 2005

Rotation invariant indexing of shapes and line drawings.

Michail Vlachos, Zografoula Vagena, Philip S. Yu, Vassilis Athitsos

Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31, 2005

2004

Twig Query Processing over Graph-Structured XML Data.

Zografoula Vagena, Mirella Moura Moro, Vassilis J. Tsotras

Proceedings of the Seventh International Workshop on the Web and Databases, 2004

Identifying Similarities, Periodicities and Bursts for Online Search Queries.

Michail Vlachos, Christopher Meek, Zografoula Vagena, Dimitrios Gunopulos

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2004

Supporting Branched Versions on XML Documents.

Zografoula Vagena, Mirella Moura Moro, Vassilis J. Tsotras

Proceedings of the 14th International Workshop on Research Issues in Data Engineering (RIDE-WS-ECEG 2004), 2004

Efficient Processing of XML Containment Queries Using Partition-Based Schemes.

Zografoula Vagena, Mirella Moura Moro, Vassilis J. Tsotras

Proceedings of the 8th International Database Engineering and Applications Symposium (IDEAS 2004), 2004

2003

Path-expression Queries over Multiversion XML Documents.

Zografoula Vagena, Vassilis J. Tsotras

Proceedings of the International Workshop on Web and Databases, 2003

2002

Efficient Structural Joins on Indexed XML Documents.

Shu-Yao Chien, Zografoula Vagena, Donghui Zhang, Vassilis J. Tsotras, Carlo Zaniolo

Proceedings of 28th International Conference on Very Large Data Bases, 2002

2001

ARKTOS: towards the modeling, design, control and execution of ETL processes.

Panos Vassiliadis, Zografoula Vagena, Spiros Skiadopoulos, Nikos Karayannidis, Timos K. Sellis

Inf. Syst., 2001

2000

ARKTOS: A Tool For Data Cleaning and Transformation in Data Warehouse Environments.

Panos Vassiliadis, Zografoula Vagena, Spiros Skiadopoulos, Nikos Karayannidis

IEEE Data Eng. Bull., 2000