Avi Arampatzis

Orcid: 0000-0003-2415-4592

Affiliations:
  • Democritus University of Thrace, Electrical & Computer Engineering Department, Xanthi, Greece


According to our database1, Avi Arampatzis authored at least 82 papers between 1997 and 2025.

Collaborative distances:

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Dataset
Other 

Links

Online presence:

On csauthors.net:

Bibliography

2025
Enhancing phishing email detection with stylometric features and classifier stacking.
Int. J. Inf. Sec., February, 2025

2024
The Effect of Training Data Size on Disaster Classification from Twitter.
Inf., July, 2024

DUTh at SemEval 2024 Task 5: A multi-task learning approach for the Legal Argument Reasoning Task in Civil Procedure.
Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

DUTh at SemEval 2024 Task 8: Comparing classic Machine Learning Algorithms and LLM based methods for Multigenerator, Multidomain and Multilingual Machine-Generated Text Detection.
Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

DUTh at SemEval-2024 Task 6: Comparing Pre-trained Models on Sentence Similarity Evaluation for Detecting of Hallucinations and Related Observable Overgeneration Mistakes.
Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

2023
Report on the 14th Conference and Labs of the Evaluation Forum (CLEF 2023): Experimental IR Meets Multilinguality, Multimodality, and Interaction.
SIGIR Forum, December, 2023

CAMIL: Context-Aware Multiple Instance Learning for Whole Slide Image Classification.
CoRR, 2023

DUTH at SemEval-2023 Task 9: An Ensemble Approach for Twitter Intimacy Analysis.
Proceedings of the The 17th International Workshop on Semantic Evaluation, 2023

An Extensive Overview of Feature Representation Techniques for Molecule Classification.
Proceedings of the 27th Pan-Hellenic Conference on Progress in Computing and Informatics, 2023

2022
Unsupervised consumer intention and sentiment mining from microblogging data as a business intelligence tool.
Oper. Res., 2022

The climate change Twitter dataset.
Expert Syst. Appl., 2022

2021
What we see in a photograph: content selection for image captioning.
Vis. Comput., 2021

Pseudo relevance feedback optimization.
Inf. Retr. J., 2021

An evaluation of feature selection methods for environmental data.
Ecol. Informatics, 2021

DUTH at SemEval-2021 Task 7: Is Conventional Machine Learning for Humorous and Offensive Tasks enough in 2021?
Proceedings of the 15th International Workshop on Semantic Evaluation, 2021

Transfer Learning for Automated Responses to the BDI Questionnaire.
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to, 2021

2020
Report on CLEF 2020.
SIGIR Forum, 2020

The Keyboard Knows About You: Revealing User Characteristics via Keystroke Dynamics.
Int. J. Technoethics, 2020

DUTh at TREC 2020 Conversational Assistance Track.
Proceedings of the Twenty-Ninth Text REtrieval Conference, 2020

DUTH at SemEval-2020 Task 11: BERT with Entity Mapping for Propaganda Classification.
Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020

2019
Language models and fusion for authorship attribution.
Inf. Process. Manag., 2019

DUTH at SemEval-2019 Task 8: Part-Of-Speech Features for Question Classification.
Proceedings of the 13th International Workshop on Semantic Evaluation, 2019

2018
Suggesting Points-of-Interest via Content-Based, Collaborative, and Hybrid Fusion Methods in Mobile Devices.
ACM Trans. Inf. Syst., 2018

Towards the creation of an emotion lexicon for microblogging.
J. Syst. Inf. Technol., 2018

A comparative evaluation of pre-processing techniques and their interactions for twitter sentiment analysis.
Expert Syst. Appl., 2018

Seagrass detection in the mediterranean: A supervised learning approach.
Ecol. Informatics, 2018

Keystroke dynamics features for gender recognition.
Digit. Investig., 2018

DUTH at SemEval-2018 Task 2: Emoji Prediction in Tweets.
Proceedings of The 12th International Workshop on Semantic Evaluation, 2018

2017
DUTH at SemEval-2017 Task 5: Sentiment Predictability in Financial Microblogging and News Articles.
Proceedings of the 11th International Workshop on Semantic Evaluation, 2017

DUTH at SemEval-2017 Task 4: A Voting Classification Approach for Twitter Sentiment Analysis.
Proceedings of the 11th International Workshop on Semantic Evaluation, 2017

A Comparative Study of Language Modeling to Instance-Based Methods, and Feature Combinations for Authorship Attribution.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2017

A Comparison of Pre-processing Techniques for Twitter Sentiment Analysis.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2017

A Half-Life Decaying Model for Recommender Systems with Matrix Factorization.
Proceedings of the Joint Proceedings of the 1st Workshop on Temporal Dynamics in Digital Libraries (TDDL 2017), 2017

2016
A Privacy-by-Design Contextual Suggestion System for Tourism.
J. Sens. Actuator Networks, 2016

Recommending Points-of-Interest via Weighted kNN, Rated Rocchio, and Borda Count Fusion.
Proceedings of The Twenty-Fifth Text REtrieval Conference, 2016

Augmenting Medical Queries with UMLS Concepts via MetaMap.
Proceedings of The Twenty-Fifth Text REtrieval Conference, 2016

Stock Price Forecasting via Sentiment Analysis on Twitter.
Proceedings of the 20th Pan-Hellenic Conference on Informatics, 2016

DUTh at the ImageCLEF 2016 Image Annotation Task: Content Selection.
Proceedings of the Working Notes of CLEF 2016, 2016

2015
Versatile Query Scrambling for Private Web Search.
Inf. Retr. J., 2015

DUTH at TREC 2015 Clinical Decision Support Track.
Proceedings of The Twenty-Fourth Text REtrieval Conference, 2015

Social network analysis of public lists of POIs.
Proceedings of the 19th Panhellenic Conference on Informatics, 2015

Sentiment analysis of greek tweets and hashtags using a sentiment lexicon.
Proceedings of the 19th Panhellenic Conference on Informatics, 2015

Hybrid Jordan Elman nets in portfolio selection.
Proceedings of the 6th International Conference on Information, 2015

Computational intelligence in optimal portfolio selection - The PI model.
Proceedings of the 6th International Conference on Information, 2015

Pythia: A Privacy-Enhanced Personalized Contextual Suggestion System for Tourism.
Proceedings of the 39th IEEE Annual Computer Software and Applications Conference, 2015

2013
A query scrambler for search privacy on the internet.
Inf. Retr., 2013

Dynamic two-stage image retrieval from large multimedia databases.
Inf. Process. Manag., 2013

DUTH at TREC 2013 Contextual Suggestion Track.
Proceedings of The Twenty-Second Text REtrieval Conference, 2013

On CORI Results Merging.
Proceedings of the Advances in Information Retrieval, 2013

A Versatile Tool for Privacy-Enhanced Web Search.
Proceedings of the Advances in Information Retrieval, 2013

2012
Unsupervised linear score normalization revisited.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

A Fuzzy Rank-Based Late Fusion Method for Image Retrieval.
Proceedings of the Advances in Multimedia Modeling - 18th International Conference, 2012

2011
Modeling score distributions in information retrieval.
Inf. Retr., 2011

The TREC files: the (ground) truth is out there.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

Bag-of-visual-words vs global image descriptors on two-stage multimodal retrieval.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

Fusion vs. Two-Stage for Multimodal Retrieval.
Proceedings of the Advances in Information Retrieval, 2011

Dynamic Two-Stage Image Retrieval from Large Multimodal Databases.
Proceedings of the Advances in Information Retrieval, 2011

Enhancing Deniability against Query-Logs.
Proceedings of the Advances in Information Retrieval, 2011

DUTH at ImageCLEF 2011 Wikipedia Retrieval.
Proceedings of the CLEF 2011 Labs and Workshop, 2011

2010
DUTH Does Probabilities of Relevance at the Legal Track.
Proceedings of The Nineteenth Text REtrieval Conference, 2010

www.MMRetrieval.net: a multimodal search engine.
Proceedings of the Third International Workshop on Similarity Search and Applications, 2010

Late fusion of compact composite descriptorsfor retrieval from heterogeneous image databases.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

An Empirical Study of Query Specificity.
Proceedings of the Advances in Information Retrieval, 2010

Multimedia Search with Noisy Modalities: Fusion and Multistage Retrieval.
Proceedings of the CLEF 2010 LABs and Workshops, 2010

2009
Where to stop reading a ranked list?: threshold optimization using truncated score distributions.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Score Distributions in Information Retrieval.
Proceedings of the Advances in Information Retrieval Theory, 2009

A signal-to-noise approach to score normalization.
Proceedings of the 18th ACM Conference on Information and Knowledge Management, 2009

2008
Where to Stop Reading a Ranked List?
Proceedings of The Seventeenth Text REtrieval Conference, 2008

A study of query length.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

2007
The design and implementation of SPIRIT: a spatially aware search engine for information retrieval on the Internet.
Int. J. Geogr. Inf. Sci., 2007

Access to Legal Documents: Exact Match, Best Match, and Combinations.
Proceedings of The Sixteenth Text REtrieval Conference, 2007

Unified Access to Heterogeneous Data in Cultural Heritage.
Proceedings of the Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2007, 8th International Conference, Carnegie Mellon University, Pittsburgh, PA, USA, May 30, 2007

Deriving a Domain Specific Test Collection from a Query Log.
Proceedings of the Workshop on Language Technology for Cultural Heritage Data, 2007

2006
Web-based delineation of imprecise regions.
Comput. Environ. Urban Syst., 2006

2005
Multi-Dimensional Scattered Ranking Methods for Geographic Information Retrieval.
GeoInformatica, 2005

2004
Distributed Ranking Methods for Geographic Information Retrieval.
Proceedings of the Developments in Spatial Data Handling, 2004

2001
Unbiased S-D Threshold Optimization, Initial Query Degradation, Decay, and Incrementality, for Adaptive Document Filtering.
Proceedings of The Tenth Text REtrieval Conference, 2001

The Score-Distributional Threshold Optimization for Adaptive Binary Classification Tasks.
Proceedings of the SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2001

2000
Incrementality, Half-life, and Threshold Optimization for Adaptive Document Filtering.
Proceedings of The Ninth Text REtrieval Conference, 2000

Term Weighting for Filtering based on Distribution of Terms over Time.
Proceedings of the Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications), 2000

1998
Phase-Based Information Retrieval.
Inf. Process. Manag., 1998

1997
IRENA: Information Retrieval Engine based on Natural Language Analysis.
Proceedings of the Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications), 1997


  Loading...