Semantic aware representation learning for optimizing image retrieval systems in radiology. - Vagena, Zografoula; Wei, Xiaoyang; Kurtz, Camille; Cloppet, Florence (Pattern Recognit., 2025)

American politics in 3D: measuring multidimensional issue alignment in social media using social graphs and text data. - Ramaciotti, Pedro; Cassells, Duncan; Vagena, Zografoula; Cointet, Jean-Philippe; Bailey, Michael (Appl. Netw. Sci., 2024)

Integrating Expert Knowledge with Vision-Language Model for Medical Image Retrieval. - Wei, Xiaoyang; Vagena, Zografoula; Kurtz, Camille; Cloppet, Florence (2024)

Embedding social graphs from multiple national settings in common empirical opinion spaces. - Ramaciotti, Pedro; Vagena, Zografoula (2022)

Named Entity Recognition in Long Documents: An End-to-end Case Study in the Legal Domain. - Keshavarz, Hossein; Vagena, Zografoula; Kouki, Pigi; Fountalis, Ilias; Mabrouki, Mehdi; Belaweid, Aziz; Vasiloglou, Nikolaos (2022)

Causality-based Explanation of Classification Outcomes. - Bertossi, Leopoldo E.; Li, Jordan; Schleich, Maximilian; Suciu, Dan; Vagena, Zografoula (2020)

Causality-based Explanation of Classification Outcomes. - Bertossi, Leopoldo E.; Li, Jordan; Schleich, Maximilian; Suciu, Dan; Vagena, Zografoula (CoRR, 2020)

Declarative Probabilistic Programming with Datalog. - Bárány, Vince; Cate, Balder ten; Kimelfeld, Benny; Olteanu, Dan; Vagena, Zografoula (ACM Trans. Database Syst., 2017)

Declarative Probabilistic Programming with Datalog. - Bárány, Vince; Cate, Balder ten; Kimelfeld, Benny; Olteanu, Dan; Vagena, Zografoula (2016)

A comparison of platforms for implementing and running very large scale machine learning algorithms. - Cai, Zhuhua; Gao, Zekai J.; Luo, Shangyu; Perez, Luis Leopoldo; Vagena, Zografoula; Jermaine, Christopher M. (2014)

Declarative Statistical Modeling with Datalog. - Bárány, Vince; Cate, Balder ten; Kimelfeld, Benny; Olteanu, Dan; Vagena, Zografoula (CoRR, 2014)

The Pairwise Gaussian Random Field for High-Dimensional Data Imputation. - Cai, Zhuhua; Jermaine, Christopher M.; Vagena, Zografoula; Logothetis, Dionysios; Perez, Luis Leopoldo (2013)

Topic Models For Feature Selection in Document Clustering. - Drummond, Anna; Jermaine, Chris; Vagena, Zografoula (2013)

Simulation of database-valued markov chains using SimSQL. - Cai, Zhuhua; Vagena, Zografoula; Perez, Luis Leopoldo; Arumugam, Subramanian; Haas, Peter J.; Jermaine, Christopher M. (2013)

Dissemination of Models over Time-Varying Data. - Zhou, Yongluan; Vagena, Zografoula; Haustad, Jonas (Proc. VLDB Endow., 2011)

Strongly consistent replication for a bargain. - Krikellas, Konstantinos; Elnikety, Sameh; Vagena, Zografoula; Hodson, Orion (2010)

Finding the K highest-ranked answers in a distributed network. - Zeinalipour-Yazti, Demetrios; Vagena, Zografoula; Kalogeraki, Vana; Gunopulos, Dimitrios; Tsotras, Vassilis J.; Vlachos, Michail; Koudas, Nick; Srivastava, Divesh (Comput. Networks, 2009)

SEDA: a system for search, exploration, discovery, and analysis of XML Data. - Balmin, Andrey; Colby, Latha S.; Curtmola, Emiran; Li, Quanzhong; Özcan, Fatma; Srinivas, Sharath; Vagena, Zografoula (Proc. VLDB Endow., 2008)

XML Structural Summaries. - Moro, Mirella Moura; Vagena, Zografoula; Tsotras, Vassilis J. (Proc. VLDB Endow., 2008)

Distributed Top-K Query Processing in Wireless Sensor Networks. - Zeinalipour-Yazti, Demetrios; Vagena, Zografoula (2008)

RoXSum: Leveraging Data Aggregation and Batch Processing for XML Routing. - Vagena, Zografoula; Moro, Mirella Moura; Tsotras, Vassilis J. (2007)

The Role of Structural Summaries for XML Retrieval. - Moro, Mirella Moura; Vagena, Zografoula (2007)

Value-Aware RoXSum: Effective Message Aggregation for XML-Aware Information Dissemination. - Vagena, Zografoula; Moro, Mirella Moura; Tsotras, Vassilis J. (2007)

On the Effectiveness of Flexible Querying Heuristics for XML Data. - Vagena, Zografoula; Colby, Latha S.; Özcan, Fatma; Balmin, Andrey; Li, Quanzhong (2007)

RIVA: Indexing and Visualization of High-Dimensional Data Via Dimension Reorderings. - Vlachos, Michail; Papadimitriou, Spiros; Vagena, Zografoula; Yu, Philip S. (2006)

Recovery from "bad" user transactions. - Lomet, David B.; Vagena, Zografoula; Barga, Roger S. (2006)

Evaluating structural summaries as access methods for XML. - Moro, Mirella Moura; Vagena, Zografoula; Tsotras, Vassilis J. (2006)

Rotation invariant indexing of shapes and line drawings. - Vlachos, Michail; Vagena, Zografoula; Yu, Philip S.; Athitsos, Vassilis (2005)

The threshold join algorithm for top-k queries in distributed sensor networks. - Zeinalipour-Yazti, Demetrios; Vagena, Zografoula; Gunopulos, Dimitrios; Kalogeraki, Vana; Tsotras, Vassilis J.; Vlachos, Michail; Koudas, Nick; Srivastava, Divesh (2005)

A Multi-metric Index for Euclidean and Periodic Matching. - Vlachos, Michail; Vagena, Zografoula; Castelli, Vittorio; Yu, Philip S. (2005)

Tree-Pattern Queries on a Lightweight XML Processor. - Moro, Mirella Moura; Vagena, Zografoula; Tsotras, Vassilis J. (2005)

Answering order-based queries over XML data. - Vagena, Zografoula; Koudas, Nick; Srivastava, Divesh; Tsotras, Vassilis J. (2005)

Efficient Handling of Positional Predicates Within XML Query Processing. - Vagena, Zografoula; Koudas, Nick; Srivastava, Divesh; Tsotras, Vassilis J. (2005)

Efficient Processing of XML Containment Queries Using Partition-Based Schemes. - Vagena, Zografoula; Moro, Mirella Moura; Tsotras, Vassilis J. (2004)

Supporting Branched Versions on XML Documents. - Vagena, Zografoula; Moro, Mirella Moura; Tsotras, Vassilis J. (2004)

Identifying Similarities, Periodicities and Bursts for Online Search Queries. - Vlachos, Michail; Meek, Christopher; Vagena, Zografoula; Gunopulos, Dimitrios (2004)

Twig Query Processing over Graph-Structured XML Data. - Vagena, Zografoula; Moro, Mirella Moura; Tsotras, Vassilis J. (2004)

Path-expression Queries over Multiversion XML Documents. - Vagena, Zografoula; Tsotras, Vassilis J. (2003)

Efficient Structural Joins on Indexed XML Documents. - Chien, Shu-Yao; Vagena, Zografoula; Zhang, Donghui; Tsotras, Vassilis J.; Zaniolo, Carlo (2002)

ARKTOS: towards the modeling, design, control and execution of ETL processes. - Vassiliadis, Panos; Vagena, Zografoula; Skiadopoulos, Spiros; Karayannidis, Nikos; Sellis, Timos K. (Inf. Syst., 2001)

ARKTOS: A Tool For Data Cleaning and Transformation in Data Warehouse Environments. - Vassiliadis, Panos; Vagena, Zografoula; Skiadopoulos, Spiros; Karayannidis, Nikos (IEEE Data Eng. Bull., 2000)