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ORCIDAvi Arampatzis
Person information
- affiliation: Democritus University of Thrace, Electrical & Computer Engineering Department, Xanthi, Greece
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2020 – today
- 2024
[j24]Dimitrios Effrosynidis, Georgios K. Sylaios
, Avi Arampatzis:
The Effect of Training Data Size on Disaster Classification from Twitter. Inf. 15(7): 393 (2024)- [c56]Ioannis Maslaris, Avi Arampatzis:
DUTh at SemEval 2024 Task 5: A multi-task learning approach for the Legal Argument Reasoning Task in Civil Procedure. SemEval@NAACL 2024: 1053-1057 - [c55]Ioanna Iordanidou, Ioannis Maslaris, Avi Arampatzis:
DUTh at SemEval-2024 Task 6: Comparing Pre-trained Models on Sentence Similarity Evaluation for Detecting of Hallucinations and Related Observable Overgeneration Mistakes. SemEval@NAACL 2024: 1064-1070 - [c54]Theodora Kyriakou, Ioannis Maslaris, Avi Arampatzis:
DUTh at SemEval 2024 Task 8: Comparing classic Machine Learning Algorithms and LLM based methods for Multigenerator, Multidomain and Multilingual Machine-Generated Text Detection. SemEval@NAACL 2024: 1080-1086 - 2023
- [j23]Mohammad Aliannejadi, Avi Arampatzis, Guglielmo Faggioli, Nicola Ferro, Anastasia Giachanou, Evangelos Kanoulas, Dan Li, Theodora Tsikrika, Michalis Vlachos, Stefanos Vrochidis:
Report on the 14th Conference and Labs of the Evaluation Forum (CLEF 2023): Experimental IR Meets Multilinguality, Multimodality, and Interaction. SIGIR Forum 57(2): 16:1-16:16 (2023) - [c53]Nikolaos Pavlidis, Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Anastasia Papadopoulou, Pavlos S. Efraimidis, Avi Arampatzis:
An Extensive Overview of Feature Representation Techniques for Molecule Classification. PCI 2023: 156-162 - [c52]Giorgos Arampatzis, Vasileios Perifanis, Symeon Symeonidis, Avi Arampatzis:
DUTH at SemEval-2023 Task 9: An Ensemble Approach for Twitter Intimacy Analysis. SemEval@ACL 2023: 1225-1230 - [e2]Avi Arampatzis, Evangelos Kanoulas, Theodora Tsikrika, Stefanos Vrochidis, Anastasia Giachanou, Dan Li, Mohammad Aliannejadi, Michalis Vlachos, Guglielmo Faggioli, Nicola Ferro:
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 14th International Conference of the CLEF Association, CLEF 2023, Thessaloniki, Greece, September 18-21, 2023, Proceedings. Lecture Notes in Computer Science 14163, Springer 2023, ISBN 978-3-031-42447-2 [contents] - [i2]Olga Fourkioti, Avi Arampatzis, Chen Jin, Mat De Vries, Chris Bakal:
CAMIL: Context-Aware Multiple Instance Learning for Whole Slide Image Classification. CoRR abs/2305.05314 (2023) - 2022
- [j22]Dimitrios Effrosynidis, Alexandros Karasakalidis, Georgios K. Sylaios, Avi Arampatzis:
The climate change Twitter dataset. Expert Syst. Appl. 204: 117541 (2022) - [j21]Symeon Symeonidis, Georgios Peikos, Avi Arampatzis:
Unsupervised consumer intention and sentiment mining from microblogging data as a business intelligence tool. Oper. Res. 22(5): 6007-6036 (2022) - 2021
- [j20]Dimitrios Effrosynidis, Avi Arampatzis:
An evaluation of feature selection methods for environmental data. Ecol. Informatics 61: 101224 (2021) - [j19]Avi Arampatzis, Georgios Peikos, Symeon Symeonidis:
Pseudo relevance feedback optimization. Inf. Retr. J. 24(4-5): 269-297 (2021) - [j18]Georgios Barlas, Christos Veinidis, Avi Arampatzis:
What we see in a photograph: content selection for image captioning. Vis. Comput. 37(6): 1309-1326 (2021) - [c51]Christoforos Spartalis, George Drosatos, Avi Arampatzis:
Transfer Learning for Automated Responses to the BDI Questionnaire. CLEF (Working Notes) 2021: 1046-1058 - [c50]Alexandros Karasakalidis, Dimitrios Effrosynidis, Avi Arampatzis:
DUTH at SemEval-2021 Task 7: Is Conventional Machine Learning for Humorous and Offensive Tasks enough in 2021? SemEval@ACL/IJCNLP 2021: 1125-1129 - 2020
- [j17]Ioannis Tsimperidis, Avi Arampatzis:
The Keyboard Knows About You: Revealing User Characteristics via Keystroke Dynamics. Int. J. Technoethics 11(2): 34-51 (2020) - [j16]Avi Arampatzis, Linda Cappellato, Carsten Eickhoff, Nicola Ferro, Hideo Joho, Evangelos Kanoulas, Christina Lioma, Aurélie Névéol, Theodora Tsikrika, Stefanos Vrochidis:
Report on CLEF 2020. SIGIR Forum 54(2): 11:1-11:10 (2020) - [c49]Anastasios Bairaktaris, Symeon Symeonidis, Avi Arampatzis:
DUTH at SemEval-2020 Task 11: BERT with Entity Mapping for Propaganda Classification. SemEval@COLING 2020: 1732-1738 - [c48]Michalis Fotiadis, Georgios Peikos, Symeon Symeonidis, Avi Arampatzis:
DUTh at TREC 2020 Conversational Assistance Track. TREC 2020 - [e1]Avi Arampatzis, Evangelos Kanoulas, Theodora Tsikrika, Stefanos Vrochidis, Hideo Joho, Christina Lioma, Carsten Eickhoff, Aurélie Névéol, Linda Cappellato, Nicola Ferro:
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings. Lecture Notes in Computer Science 12260, Springer 2020, ISBN 978-3-030-58218-0 [contents] - [i1]Anastasios Bairaktaris, Symeon Symeonidis, Avi Arampatzis:
DUTH at SemEval-2020 Task 11: BERT with Entity Mapping for Propaganda Classification. CoRR abs/2008.09894 (2020)
2010 – 2019
- 2019
- [j15]Olga Fourkioti, Symeon Symeonidis, Avi Arampatzis:
Language models and fusion for authorship attribution. Inf. Process. Manag. 56(6) (2019) - [c47]Anastasios Bairaktaris, Symeon Symeonidis, Avi Arampatzis:
DUTH at SemEval-2019 Task 8: Part-Of-Speech Features for Question Classification. SemEval@NAACL-HLT 2019: 1155-1159 - 2018
- [j14]Ioannis Tsimperidis, Avi Arampatzis, Alexandros Karakos:
Keystroke dynamics features for gender recognition. Digit. Investig. 24: 4-10 (2018) - [j13]Dimitrios Effrosynidis, Avi Arampatzis, Georgios K. Sylaios:
Seagrass detection in the mediterranean: A supervised learning approach. Ecol. Informatics 48: 158-170 (2018) - [j12]Symeon Symeonidis, Dimitrios Effrosynidis, Avi Arampatzis:
A comparative evaluation of pre-processing techniques and their interactions for twitter sentiment analysis. Expert Syst. Appl. 110: 298-310 (2018) - [j11]Georgios Kalamatianos, Symeon Symeonidis, Dimitrios Mallis, Avi Arampatzis:
Towards the creation of an emotion lexicon for microblogging. J. Syst. Inf. Technol. 20(2): 130-151 (2018) - [j10]Avi Arampatzis, Georgios Kalamatianos:
Suggesting Points-of-Interest via Content-Based, Collaborative, and Hybrid Fusion Methods in Mobile Devices. ACM Trans. Inf. Syst. 36(3): 23:1-23:28 (2018) - [c46]Dimitrios Effrosynidis, Georgios Peikos, Symeon Symeonidis, Avi Arampatzis:
DUTH at SemEval-2018 Task 2: Emoji Prediction in Tweets. SemEval@NAACL-HLT 2018: 466-469 - 2017
- [c45]Panagiotis Ardagelou, Avi Arampatzis:
A Half-Life Decaying Model for Recommender Systems with Matrix Factorization. TDDL/MDQual/Futurity@TPDL 2017 - [c44]Olga Fourkioti, Symeon Symeonidis, Avi Arampatzis:
A Comparative Study of Language Modeling to Instance-Based Methods, and Feature Combinations for Authorship Attribution. TPDL 2017: 274-286 - [c43]Dimitrios Effrosynidis, Symeon Symeonidis, Avi Arampatzis:
A Comparison of Pre-processing Techniques for Twitter Sentiment Analysis. TPDL 2017: 394-406 - [c42]Symeon Symeonidis, Dimitrios Effrosynidis, John Kordonis, Avi Arampatzis:
DUTH at SemEval-2017 Task 4: A Voting Classification Approach for Twitter Sentiment Analysis. SemEval@ACL 2017: 704-708 - [c41]Symeon Symeonidis, John Kordonis, Dimitrios Effrosynidis, Avi Arampatzis:
DUTH at SemEval-2017 Task 5: Sentiment Predictability in Financial Microblogging and News Articles. SemEval@ACL 2017: 861-865 - 2016
- [j9]Pavlos S. Efraimidis, George Drosatos, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis:
A Privacy-by-Design Contextual Suggestion System for Tourism. J. Sens. Actuator Networks 5(2): 10 (2016) - [c40]Georgios Barlas, Maria Ntonti, Avi Arampatzis:
DUTh at the ImageCLEF 2016 Image Annotation Task: Content Selection. CLEF (Working Notes) 2016: 279-287 - [c39]John Kordonis, Symeon Symeonidis, Avi Arampatzis:
Stock Price Forecasting via Sentiment Analysis on Twitter. PCI 2016: 36 - [c38]Christopher Agrafiotes, Avi Arampatzis:
Augmenting Medical Queries with UMLS Concepts via MetaMap. TREC 2016 - [c37]Georgios Kalamatianos, Avi Arampatzis:
Recommending Points-of-Interest via Weighted kNN, Rated Rocchio, and Borda Count Fusion. TREC 2016 - 2015
- [j8]Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis:
Versatile Query Scrambling for Private Web Search. Inf. Retr. J. 18(4): 331-358 (2015) - [c36]George Drosatos, Pavlos S. Efraimidis, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis:
Pythia: A Privacy-Enhanced Personalized Contextual Suggestion System for Tourism. COMPSAC 2015: 822-827 - [c35]Nikos Loukeris, Yiannis S. Boutalis, Avi Arampatzis, S. Livanis, Lysimachos Maltoudoglou:
Computational intelligence in optimal portfolio selection - The PI model. IISA 2015: 1-6 - [c34]Nikos Loukeris, Yiannis S. Boutalis, S. Livanis, Avi Arampatzis, Lysimachos Maltoudoglou:
Hybrid Jordan Elman nets in portfolio selection. IISA 2015: 1-6 - [c33]Ioannis Karagiannis, Avi Arampatzis, Pavlos S. Efraimidis, Giorgos Stamatelatos:
Social network analysis of public lists of POIs. Panhellenic Conference on Informatics 2015: 61-62 - [c32]Georgios Kalamatianos, Dimitrios Mallis, Symeon Symeonidis, Avi Arampatzis:
Sentiment analysis of greek tweets and hashtags using a sentiment lexicon. Panhellenic Conference on Informatics 2015: 63-68 - [c31]George Drosatos, Stefanos Roumeliotis, Eleni Kaldoudi, Avi Arampatzis:
DUTH at TREC 2015 Clinical Decision Support Track. TREC 2015 - 2013
- [j7]Avi Arampatzis, Konstantinos Zagoris, Savvas A. Chatzichristofis:
Dynamic two-stage image retrieval from large multimedia databases. Inf. Process. Manag. 49(1): 274-285 (2013) - [j6]Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos:
A query scrambler for search privacy on the internet. Inf. Retr. 16(6): 657-679 (2013) - [c30]Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis:
A Versatile Tool for Privacy-Enhanced Web Search. ECIR 2013: 368-379 - [c29]Ilya Markov, Avi Arampatzis, Fabio Crestani:
On CORI Results Merging. ECIR 2013: 752-755 - [c28]George Drosatos, Giorgos Stamatelatos, Avi Arampatzis, Pavlos S. Efraimidis:
DUTH at TREC 2013 Contextual Suggestion Track. TREC 2013 - 2012
- [c27]Savvas A. Chatzichristofis, Konstantinos Zagoris, Yiannis S. Boutalis, Avi Arampatzis:
A Fuzzy Rank-Based Late Fusion Method for Image Retrieval. MMM 2012: 463-472 - [c26]Ilya Markov, Avi Arampatzis, Fabio Crestani:
Unsupervised linear score normalization revisited. SIGIR 2012: 1161-1162 - 2011
- [j5]Avi Arampatzis, Stephen Robertson:
Modeling score distributions in information retrieval. Inf. Retr. 14(1): 26-46 (2011) - [c25]Avi Arampatzis, Konstantinos Zagoris, Savvas A. Chatzichristofis:
DUTH at ImageCLEF 2011 Wikipedia Retrieval. CLEF (Notebook Papers/Labs/Workshop) 2011 - [c24]Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos:
Enhancing Deniability against Query-Logs. ECIR 2011: 117-128 - [c23]Avi Arampatzis, Konstantinos Zagoris, Savvas A. Chatzichristofis:
Dynamic Two-Stage Image Retrieval from Large Multimodal Databases. ECIR 2011: 326-337 - [c22]Avi Arampatzis, Konstantinos Zagoris, Savvas A. Chatzichristofis:
Fusion vs. Two-Stage for Multimodal Retrieval. ECIR 2011: 759-762 - [c21]Savvas A. Chatzichristofis, Konstantinos Zagoris, Avi Arampatzis:
Bag-of-visual-words vs global image descriptors on two-stage multimodal retrieval. SIGIR 2011: 1251-1252 - [c20]Savvas A. Chatzichristofis, Konstantinos Zagoris, Avi Arampatzis:
The TREC files: the (ground) truth is out there. SIGIR 2011: 1289-1290 - 2010
- [c19]Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris:
Multimedia Search with Noisy Modalities: Fusion and Multistage Retrieval. CLEF (Notebook Papers/LABs/Workshops) 2010 - [c18]Avi Arampatzis, Jaap Kamps:
An Empirical Study of Query Specificity. ECIR 2010: 594-597 - [c17]Savvas A. Chatzichristofis, Avi Arampatzis:
Late fusion of compact composite descriptorsfor retrieval from heterogeneous image databases. SIGIR 2010: 825-826 - [c16]Konstantinos Zagoris, Avi Arampatzis, Savvas A. Chatzichristofis:
www.MMRetrieval.net: a multimodal search engine. SISAP 2010: 117-118 - [c15]Dim P. Papadopoulos, Vicky S. Kalogeiton, Avi Arampatzis:
DUTH Does Probabilities of Relevance at the Legal Track. TREC 2010
2000 – 2009
- 2009
- [c14]Avi Arampatzis, Jaap Kamps:
A signal-to-noise approach to score normalization. CIKM 2009: 797-806 - [c13]Avi Arampatzis, Stephen Robertson, Jaap Kamps:
Score Distributions in Information Retrieval. ICTIR 2009: 139-151 - [c12]Avi Arampatzis, Jaap Kamps, Stephen Robertson:
Where to stop reading a ranked list?: threshold optimization using truncated score distributions. SIGIR 2009: 524-531 - 2008
- [c11]Avi Arampatzis, Jaap Kamps:
A study of query length. SIGIR 2008: 811-812 - [c10]Avi Arampatzis, Jaap Kamps:
Where to Stop Reading a Ranked List? TREC 2008 - 2007
- [j4]Ross S. Purves, Paul D. Clough, Christopher B. Jones, Avi Arampatzis, Bénédicte Bucher, David Finch, Gaihua Fu, Hideo Joho, Awase Khirni Syed, Subodh Vaid, Bisheng Yang:
The design and implementation of SPIRIT: a spatially aware search engine for information retrieval on the Internet. Int. J. Geogr. Inf. Sci. 21(7): 717-745 (2007) - [c9]Avi Arampatzis, Jaap Kamps, Marijn Koolen, Nir Nussbaum:
Deriving a Domain Specific Test Collection from a Query Log. LaTeCH@ACL 2007 2007: 73-80 - [c8]Marijn Koolen, Avi Arampatzis, Jaap Kamps, Vincent de Keijzer, Nir Nussbaum:
Unified Access to Heterogeneous Data in Cultural Heritage. RIAO 2007: 108-122 - [c7]Avi Arampatzis, Jaap Kamps, Martijn Kooken, Nir Nussbaum:
Access to Legal Documents: Exact Match, Best Match, and Combinations. TREC 2007 - 2006
- [j3]Avi Arampatzis, Marc J. van Kreveld, Iris Reinbacher, Christopher B. Jones, Subodh Vaid, Paul D. Clough, Hideo Joho, Mark Sanderson:
Web-based delineation of imprecise regions. Comput. Environ. Urban Syst. 30(4): 436-459 (2006) - 2005
- [j2]Marc J. van Kreveld, Iris Reinbacher, Avi Arampatzis, Roelof van Zwol:
Multi-Dimensional Scattered Ranking Methods for Geographic Information Retrieval. GeoInformatica 9(1): 61-84 (2005) - 2004
- [c6]Marc J. van Kreveld, Iris Reinbacher, Avi Arampatzis, Roelof van Zwol:
Distributed Ranking Methods for Geographic Information Retrieval. SDH 2004: 231-243 - 2001
- [c5]Avi Arampatzis, André van Hameren:
The Score-Distributional Threshold Optimization for Adaptive Binary Classification Tasks. SIGIR 2001: 285-293 - [c4]Avi Arampatzis:
Unbiased S-D Threshold Optimization, Initial Query Degradation, Decay, and Incrementality, for Adaptive Document Filtering. TREC 2001 - 2000
- [c3]Avi Arampatzis, Theo P. van der Weide, Cornelis H. A. Koster, Patrick van Bommel:
Term Weighting for Filtering based on Distribution of Terms over Time. RIAO 2000: 1221-1237 - [c2]Avi Arampatzis, Jean Beney, Cornelis H. A. Koster, Theo P. van der Weide:
Incrementality, Half-life, and Threshold Optimization for Adaptive Document Filtering. TREC 2000
1990 – 1999
- 1998
- [j1]Avi Arampatzis, T. Tsoris, Cornelis H. A. Koster, Theo P. van der Weide:
Phase-Based Information Retrieval. Inf. Process. Manag. 34(6): 693-707 (1998) - 1997
- [c1]Avi Arampatzis, T. Tsoris, Cornelis H. A. Koster:
IRENA: Information Retrieval Engine based on Natural Language Analysis. RIAO 1997: 159-175
Coauthor Index
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