On Improving Neurosymbolic Learning by Exploiting the Representation Space.

Efthymia Tsamoura Efi Tsamoura https://www.turing.ac.uk/people/efthymia-tsamoura https://orcid.org/0009-0008-8302-1902 https://www.wikidata.org/entity/Q130840213

Aaditya Naik Efthymia Tsamoura Shibo Jin Mayur Naik Dan Roth 0001 On Improving Neurosymbolic Learning by Exploiting the Representation Space. 2026 February abs/2602.07973 CoRR https://doi.org/10.48550/arXiv.2602.07973 db/journals/corr/corr2602.html#abs-2602-07973 streams/journals/corr

Manas Gaur Efthymia Tsamoura Edward Raff Nikhita Vedula Srinivasan Parthasarathy 0001 Proceedings of the Workshop on Knowledge-infused Learning co-located with 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), Barcelona, Spain, August 26, 2024. KiL@KDD CEUR-WS.org 2025 CEUR Workshop Proceedings 3894 https://ceur-ws.org/Vol-3894 https://nbn-resolving.org/urn:nbn:de:0074-3894-2 db/conf/kil/kil2024.html

Emanuele Marconato Samuele Bortolotti Emile van Krieken Paolo Morettin Elena Umili Antonio Vergari Efthymia Tsamoura Andrea Passerini Stefano Teso Symbol Grounding in Neuro-Symbolic AI: A Gentle Introduction to Reasoning Shortcuts. 2025 October abs/2510.14538 CoRR https://doi.org/10.48550/arXiv.2510.14538 db/journals/corr/corr2510.html#abs-2510-14538 streams/journals/corr

Manas Gaur Efthymia Tsamoura Edward Raff Nikhita Vedula Srinivasan Parthasarathy 0001 KiL 2024: 4th International Workshop on Knowledge-infused Learning <i>(Towards Consistent, Reliable, Explainable, and Safe LLMs)</i>. 6712-6713 2024 KDD https://doi.org/10.1145/3637528.3671495 https://www.wikidata.org/entity/Q130843929 conf/kdd/2024 db/conf/kdd/kdd2024.html#GaurTRV024

Kaifu Wang Efthymia Tsamoura Dan Roth 0001 On Characterizing and Mitigating Imbalances in Multi-Instance Partial Label Learning. 2024 abs/2407.10000 CoRR https://doi.org/10.48550/arXiv.2407.10000 db/journals/corr/corr2407.html#abs-2407-10000 streams/journals/corr

Jonathan Feldstein Dominic Phillips Efthymia Tsamoura Efficiently Learning Probabilistic Logical Models by Cheaply Ranking Mined Rules. 2024 abs/2409.16238 CoRR https://doi.org/10.48550/arXiv.2409.16238 db/journals/corr/corr2409.html#abs-2409-16238 streams/journals/corr

Jonathan Feldstein Paulius Dilkas Vaishak Belle Efthymia Tsamoura Mapping the Neuro-Symbolic AI Landscape by Architectures: A Handbook on Augmenting Deep Learning Through Symbolic Reasoning. 2024 abs/2410.22077 CoRR https://doi.org/10.48550/arXiv.2410.22077 db/journals/corr/corr2410.html#abs-2410-22077 streams/journals/corr

Efthymia Tsamoura Boris Motik Goal-Driven Query Answering over First- and Second-Order Dependencies with Equality. 2024 abs/2412.09125 CoRR https://doi.org/10.48550/arXiv.2412.09125 db/journals/corr/corr2412.html#abs-2412-09125 streams/journals/corr

Efthymia Tsamoura Jaehun Lee Jacopo Urbani Probabilistic Reasoning at Scale: Trigger Graphs to the Rescue. 39:1-39:27 2023 1 Proc. ACM Manag. Data 1 https://doi.org/10.1145/3588719 db/journals/pacmmod/pacmmod1.html#TsamouraLU23

Davide Buffelli Efthymia Tsamoura Scalable Theory-Driven Regularization of Scene Graph Generation Models. 6850-6859 2023 AAAI https://doi.org/10.1609/aaai.v37i6.25839 conf/aaai/2023 db/conf/aaai/aaai2023.html#BuffelliT23 Jonathan Feldstein Dominic Phillips Efthymia Tsamoura Principled and Efficient Motif Finding for Structure Learning of Lifted Graphical Models. 12205-12215 2023 AAAI https://doi.org/10.1609/aaai.v37i10.26439 conf/aaai/2023 db/conf/aaai/aaai2023.html#FeldsteinPT23 Jonathan Feldstein Modestas Jurcius Efthymia Tsamoura Parallel Neurosymbolic Integration with Concordia. 9870-9885 2023 ICML https://proceedings.mlr.press/v202/feldstein23a.html conf/icml/2023 db/conf/icml/icml2023.html#FeldsteinJT23 Manas Gaur Efthymia Tsamoura Sarath Sreedharan Sudip Mittal KiL 2023 : 3rd International Workshop on Knowledge-infused Learning. 5857-5858 2023 KDD https://doi.org/10.1145/3580305.3599199 https://www.wikidata.org/entity/Q130840216 conf/kdd/2023 db/conf/kdd/kdd2023.html#GaurTSM23 Kaifu Wang Efthymia Tsamoura Dan Roth 0001 On Learning Latent Models with Multi-Instance Weak Supervision. 2023 NeurIPS http://papers.nips.cc/paper_files/paper/2023/hash/1e83498c3eafe109a44b12979c2c73db-Abstract-Conference.html conf/nips/2023 db/conf/nips/neurips2023.html#WangTR23

Jonathan Feldstein Dominic Phillips Efthymia Tsamoura Principled and Efficient Motif Finding for Structure Learning in Lifted Graphical Models. 2023 abs/2302.04599 CoRR https://doi.org/10.48550/arXiv.2302.04599 db/journals/corr/corr2302.html#abs-2302-04599

Efthymia Tsamoura Jaehun Lee Jacopo Urbani Probabilistic Reasoning at Scale: Trigger Graphs to the Rescue. 2023 abs/2304.05459 CoRR https://doi.org/10.48550/arXiv.2304.05459 db/journals/corr/corr2304.html#abs-2304-05459

Jonathan Feldstein Modestas Jurcius Efthymia Tsamoura Parallel Neurosymbolic Integration with Concordia. 2023 abs/2306.00480 CoRR https://doi.org/10.48550/arXiv.2306.00480 db/journals/corr/corr2306.html#abs-2306-00480

Kaifu Wang Efi Tsamoura Dan Roth 0001 On Learning Latent Models with Multi-Instance Weak Supervision. 2023 abs/2306.13796 CoRR https://doi.org/10.48550/arXiv.2306.13796 db/journals/corr/corr2306.html#abs-2306-13796

Michael Benedikt Fergus R. Cooper Stefano Germano Gabor Gyorkei Efthymia Tsamoura Brandon Moore Camilo Ortiz PDQ 2.0: Flexible Infrastructure for Integrating Reasoning and Query Planning. 36-41 2022 December 51 SIGMOD Rec. 4 https://doi.org/10.1145/3582302.3582308 db/journals/sigmod/sigmod51.html#BenediktCGGTMO22

Davide Buffelli Efthymia Tsamoura Scalable Regularization of Scene Graph Generation Models using Symbolic Theories. 2022 abs/2209.02749 CoRR https://doi.org/10.48550/arXiv.2209.02749 db/journals/corr/corr2209.html#abs-2209-02749

Efthymia Tsamoura David Carral Enrico Malizia Jacopo Urbani Materializing Knowledge Bases via Trigger Graphs. 943-956 2021 14 Proc. VLDB Endow. 6 http://www.vldb.org/pvldb/vol14/p943-tsamoura.pdf https://doi.org/10.14778/3447689.3447699 https://www.wikidata.org/entity/Q113237111 db/journals/pvldb/pvldb14.html#TsamouraCMU21

Michael Benedikt Pierre Bourhis Louis Jachiet Efthymia Tsamoura Balancing Expressiveness and Inexpressiveness in View Design. 15:1-15:40 2021 46 ACM Trans. Database Syst. 4 https://doi.org/10.1145/3488370 db/journals/tods/tods46.html#BenediktBJT21

Efthymia Tsamoura Timothy M. Hospedales Loizos Michael Neural-Symbolic Integration: A Compositional Perspective. 5051-5060 2021 AAAI https://doi.org/10.1609/aaai.v35i6.16639 conf/aaai/2021 db/conf/aaai/aaai2021.html#TsamouraHM21 Angela Bonifati Ugo Comignani Efthymia Tsamoura Exchanging Data under Policy Views. 1-12 2021 EDBT https://doi.org/10.5441/002/edbt.2021.02 conf/edbt/2021 db/conf/edbt/edbt2021.html#BonifatiCT21

Efthymia Tsamoura David Carral Enrico Malizia Jacopo Urbani Materializing Knowledge Bases via Trigger Graphs. 2021 abs/2102.02753 CoRR https://arxiv.org/abs/2102.02753 db/journals/corr/corr2102.html#abs-2102-02753

Efthymia Tsamoura Víctor Gutiérrez-Basulto Angelika Kimmig Beyond the Grounding Bottleneck: Datalog Techniques for Inference in Probabilistic Logic Programs. 10284-10291 2020 AAAI https://doi.org/10.1609/aaai.v34i06.6591 https://www.wikidata.org/entity/Q118944539 conf/aaai/2020 db/conf/aaai/aaai2020.html#TsamouraGK20 Michael Benedikt Pierre Bourhis Louis Jachiet Efthymia Tsamoura Balancing Expressiveness and Inexpressiveness in View Design. 109-118 2020 KR https://doi.org/10.24963/kr.2020/12 conf/kr/2020 db/conf/kr/kr2020.html#BenediktBJT20

Michael Benedikt Pierre Bourhis Louis Jachiet Efthymia Tsamoura Balancing expressiveness and inexpressiveness in view design. 2020 abs/2006.00875 CoRR https://arxiv.org/abs/2006.00875 db/journals/corr/corr2006.html#abs-2006-00875

Efthymia Tsamoura Loizos Michael Neural-Symbolic Integration: A Compositional Perspective. 2020 abs/2010.11926 CoRR https://arxiv.org/abs/2010.11926 db/journals/corr/corr2010.html#abs-2010-11926

Angela Bonifati Ugo Comignani Efthymia Tsamoura MapRepair: Mapping and Repairing under Policy Views. 1873-1876 2019 SIGMOD Conference https://doi.org/10.1145/3299869.3320228 conf/sigmod/2019 db/conf/sigmod/sigmod2019.html#BonifatiCT19

Angela Bonifati Ugo Comignani Efthymia Tsamoura Repairing mappings under policy views. 2019 abs/1903.09242 CoRR http://arxiv.org/abs/1903.09242 db/journals/corr/corr1903.html#abs-1903-09242

Efthymia Tsamoura Víctor Gutiérrez-Basulto Angelika Kimmig Beyond the Grounding Bottleneck: Datalog Techniques for Inference in Probabilistic Logic Programs (Technical Report). 2019 abs/1911.07750 CoRR http://arxiv.org/abs/1911.07750 db/journals/corr/corr1911.html#abs-1911-07750

Michael Benedikt Boris Motik Efthymia Tsamoura Goal-Driven Query Answering for Existential Rules With Equality. 2018 AAAI https://doi.org/10.1609/aaai.v32i1.11563 conf/aaai/2018 db/conf/aaai/aaai2018.html#BenediktMT18 1761-1770 Michael Benedikt Egor V. Kostylev Fabio Mogavero Efthymia Tsamoura Reformulating Queries: Theory and Practice. 837-843 2017 IJCAI https://doi.org/10.24963/ijcai.2017/116 conf/ijcai/2017 db/conf/ijcai/ijcai2017.html#BenediktKMT17 Michael Benedikt George Konstantinidis 0001 Giansalvatore Mecca Boris Motik Paolo Papotti Donatello Santoro Efthymia Tsamoura Benchmarking the Chase. 37-52 2017 PODS https://doi.org/10.1145/3034786.3034796 https://www.wikidata.org/entity/Q118943603 conf/pods/2017 db/conf/pods/pods2017.html#BenediktKMMPST17

Michael Benedikt Boris Motik Efthymia Tsamoura Goal-Driven Query Answering for Existential Rules with Equality. 2017 abs/1711.05227 CoRR http://arxiv.org/abs/1711.05227 db/journals/corr/corr1711.html#abs-1711-05227

Michael Benedikt Julien Leblay Balder ten Cate Efthymia Tsamoura Generating Plans from Proofs: The Interpolation-based Approach to Query Reformulation 2016 Synthesis Lectures on Data Management Morgan & Claypool Publishers 978-3-031-00728-6 978-3-031-01856-5 https://doi.org/10.2200/S00703ED1V01Y201602DTM043 https://doi.org/10.1007/978-3-031-01856-5 https://www.wikidata.org/entity/Q113714806

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Incorporating change detection in the monitoring phase of adaptive query processing. 7:1-7:18 2016 7 J. Internet Serv. Appl. 1 https://doi.org/10.1186/s13174-016-0049-5 https://www.wikidata.org/entity/Q59474899 db/journals/jisa/jisa7.html#TsamouraGM16

Michael Benedikt Balder ten Cate Efthymia Tsamoura Generating Plans from Proofs. 22:1-22:45 2016 40 ACM Trans. Database Syst. 4 https://doi.org/10.1145/2847523 https://www.wikidata.org/entity/Q114614110 db/journals/tods/tods40.html#BenediktCT16

Michael Benedikt Rodrigo Lopez-Serrano Efthymia Tsamoura Biological Web Services: Integration, Optimization, and Reasoning. 21-27 2016 BAI@IJCAI https://ceur-ws.org/Vol-1718/paper3.pdf conf/ijcai/2016bai db/conf/ijcai/bai2016.html#BenediktLT16

Michael Benedikt Julien Leblay Efthymia Tsamoura Querying with Access Patterns and Integrity Constraints. 690-701 2015 8 Proc. VLDB Endow. 6 http://www.vldb.org/pvldb/vol8/p690-benedikt.pdf https://doi.org/10.14778/2735703.2735708 db/journals/pvldb/pvldb8.html#BenediktLT15

Michael Benedikt Julien Leblay Efthymia Tsamoura PDQ: Proof-driven Query Answering over Web-based Data. 1553-1556 2014 7 Proc. VLDB Endow. 13 http://www.vldb.org/pvldb/vol7/p1553-benedikt.pdf https://doi.org/10.14778/2733004.2733028 db/journals/pvldb/pvldb7.html#BenediktLT14

Michael Benedikt Balder ten Cate Efthymia Tsamoura Generating low-cost plans from proofs. 200-211 2014 PODS https://doi.org/10.1145/2594538.2594550 conf/pods/2014 db/conf/pods/pods2014.html#BenediktCT14 Efthymia Tsamoura Βελτιστοποίηση ερωτημάτων σε κατανεμημένα και δυναμικά περιβάλλοντα Aristotle University Of Thessaloniki, Greece 2013 National Archive of PhD Theses: oai:10442/36711 http://hdl.handle.net/10442/hedi/36711 Efthymia Tsamoura Anastasios Gounaris Incorporating change detection in network coordinate systems for large data transfers. 55-62 2013 Panhellenic Conference on Informatics https://doi.org/10.1145/2491845.2491864 conf/pci/2013 db/conf/pci/pci2013.html#TsamouraG13 Efthymia Tsamoura Anastasios Gounaris Kostas Tsichlas Multi-objective optimization of data flows in a multi-cloud environment. 6-10 2013 DanaC@SIGMOD https://doi.org/10.1145/2486767.2486769 conf/sigmod/2013danac db/conf/sigmod/danac2013.html#TsamouraGT13 Anastasios Gounaris Efthymia Tsamoura Yannis Manolopoulos Adaptive Query Processing in Distributed Settings. 211-236 2013 Advanced Query Processing (1) https://doi.org/10.1007/978-3-642-28323-9_9 series/isrl/36 db/series/isrl/isrl36.html#GounarisTM13

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Optimization of decentralized multi-way join queries over pipelined filtering services. 939-972 2012 94 Computing 12 https://doi.org/10.1007/s00607-012-0209-9 db/journals/computing/computing94.html#TsamouraGM12

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Lifting the Burden of History in Adaptive Ordering of Pipelined Stream Filters. 302-307 2012 ICDE Workshops https://doi.org/10.1109/ICDEW.2012.54 https://doi.ieeecomputersociety.org/10.1109/ICDEW.2012.54 conf/icde/2012w db/conf/icde/icdew2012.html#TsamouraGM12

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Decentralized execution of linear workflows over web services. 341-347 2011 27 Future Gener. Comput. Syst. 3 https://doi.org/10.1016/j.future.2010.07.009 db/journals/fgcs/fgcs27.html#TsamouraGM11

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Optimal Service Ordering in Decentralized Queries Over Web Services. 1-16 2011 1 Int. J. Knowl. Based Organ. 2 https://doi.org/10.4018/ijkbo.2011040101 db/journals/ijkbo/ijkbo1.html#TsamouraGM11

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Queries over Web Services. 139-169 2011 New Directions in Web Data Management 1 https://doi.org/10.1007/978-3-642-17551-0_6 series/sci/2011-331 db/series/sci/sci331.html#TsamouraGM11

Efthymia Tsamoura Ioannis Pitas Automatic Color Based Reassembly of Fragmented Images and Paintings. 680-690 2010 19 IEEE Trans. Image Process. 3 https://doi.org/10.1109/TIP.2009.2035840 https://www.wikidata.org/entity/Q38448044 db/journals/tip/tip19.html#TsamouraP10

Efthymia Tsamoura Anastasios Gounaris Yannis Manolopoulos Brief announcement: on the quest of optimal service ordering in decentralized queries. 277-278 2010 PODC https://doi.org/10.1145/1835698.1835763 conf/podc/2010 db/conf/podc/podc2010.html#TsamouraGM10 Efthymia Tsamoura Anastasios Gounaris Database Oriented Grid Middlewares. 127-132 2009 BCI https://doi.org/10.1109/BCI.2009.14 https://doi.ieeecomputersociety.org/10.1109/BCI.2009.14 conf/bci/2009 db/conf/bci/bci2009.html#TsamouraG09 Efthymia Tsamoura Vasileios Mezaris Ioannis Kompatsiaris Video shot meta-segmentation based on multiple criteria for gradual transition detection. 51-57 2008 CBMI https://doi.org/10.1109/CBMI.2008.4564927 https://www.wikidata.org/entity/Q58614758 conf/cbmi/2008 db/conf/cbmi/cbmi2008.html#TsamouraMK08 Efthymia Tsamoura Vasileios Mezaris Ioannis Kompatsiaris Gradual transition detection using color coherence and other criteria in a video shot meta-segmentation framework. 45-48 2008 ICIP https://doi.org/10.1109/ICIP.2008.4711687 https://www.wikidata.org/entity/Q58614668 conf/icip/2008 db/conf/icip/icip2008.html#TsamouraMK08 Vaishak Belle Michael Benedikt Angela Bonifati Samuele Bortolotti Pierre Bourhis Davide Buffelli David Carral Balder ten Cate Ugo Comignani Fergus R. Cooper Paulius Dilkas Jonathan Feldstein Manas Gaur Stefano Germano Anastasios Gounaris Víctor Gutiérrez-Basulto Gabor Gyorkei Timothy M. Hospedales Louis Jachiet Shibo Jin Modestas Jurcius Angelika Kimmig Ioannis Kompatsiaris George Konstantinidis 0001 Egor V. Kostylev Emile van Krieken Julien Leblay Jaehun Lee Rodrigo Lopez-Serrano Enrico Malizia Yannis Manolopoulos Emanuele Marconato Giansalvatore Mecca Vasileios Mezaris Loizos Michael Sudip Mittal Fabio Mogavero Brandon Moore Paolo Morettin Boris Motik Aaditya Naik Mayur Naik Camilo Ortiz Paolo Papotti Srinivasan Parthasarathy 0001 Andrea Passerini Dominic Phillips Ioannis Pitas Edward Raff Dan Roth 0001 Donatello Santoro Sarath Sreedharan Stefano Teso Kostas Tsichlas Elena Umili Jacopo Urbani Nikhita Vedula Antonio Vergari Kaifu Wang