Avi Arampatzis

Yiannis S. Boutalis, Avi Arampatzis, Savvas A. Chatzichristofis, 2010, 2010 Fifth International Multi-conference on Computing in the Global Information Technology.

MuSeUM: Unified Access to the State of the Art

Avi Arampatzis, Jaap Kamps, Marijn Koolen, 2007 .

Phrase-based Information Retrieval

Avi Arampatzis, Theo van der Weide, Cornelis H. A. Koster, 1998 .

Where to Stop Reading a Ranked List?

Avi Arampatzis, Jaap Kamps, J. Kamps, 2008, TREC.

IRENA: Information Retrieval Engine based on Natural Language Analysis

Avi Arampatzis, Cornelis H. A. Koster, T. Tsoris, 1997, RIAO.

Dynamic two-stage image retrieval from large multimedia databases

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2013, Inf. Process. Manag..

DUTH at SemEval-2017 Task 4: A Voting Classification Approach for Twitter Sentiment Analysis

Avi Arampatzis, Symeon Symeonidis, Dimitrios Effrosynidis, 2017, SemEval@ACL.

DUTH at TREC 2015 Clinical Decision Support Track

Avi Arampatzis, George Drosatos, Eleni Kaldoudi, 2015, TREC.

Enhancing Deniability against Query-Logs

Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos, 2011, ECIR.

Sentiment analysis of greek tweets and hashtags using a sentiment lexicon

Avi Arampatzis, Symeon Symeonidis, Dimitrios Mallis, 2015, Panhellenic Conference on Informatics.

What we see in a photograph: content selection for image captioning

Avi Arampatzis, Christos Veinidis, Georgios Barlas, 2020, The Visual Computer.

An Empirical Study of Query Specificity

Avi Arampatzis, Jaap Kamps, 2010, ECIR.

Experimental IR Meets Multilinguality, Multimodality, and Interaction: 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22–25, 2020, Proceedings

Christina Lioma, Avi Arampatzis, Linda Cappellato, 2020, CLEF.

A Comparison of Pre-processing Techniques for Twitter Sentiment Analysis

Avi Arampatzis, Symeon Symeonidis, Dimitrios Effrosynidis, 2017, TPDL.

Keystroke dynamics features for gender recognition

Alexandros Karakos, Avi Arampatzis, Ioannis Tsimperidis, 2018, Digit. Investig..

Stock Price Forecasting via Sentiment Analysis on Twitter

Avi Arampatzis, Symeon Symeonidis, John Kordonis, 2016, PCI.

Modeling score distributions in information retrieval

Stephen E. Robertson, Avi Arampatzis, S. Robertson, 2011, Information Retrieval.

Term Weighting for Filtering based on Distribution of Terms over Time

Avi Arampatzis, Patrick van Bommel, Theo P. van der Weide, 2000, RIAO Conference.

Improving Digital Forensics Through Data Mining

Avi Arampatzis, Vasilios Katos, Chrysoula Tsochataridou, 2014 .

Towards the creation of an emotion lexicon for microblogging

Avi Arampatzis, Symeon Symeonidis, Dimitrios Mallis, 2018, J. Syst. Inf. Technol..

Investigating the Behavior of Compact Composite Descriptors in Early Fusion, Late Fusion and Distributed Image Retrieval

Yiannis S. Boutalis, Avi Arampatzis, Savvas A. Chatzichristofis, 2010 .

Deriving a Domain Specific Test Collection from a Query Log

Avi Arampatzis, Jaap Kamps, Marijn Koolen, 2007, LaTeCH@ACL 2007.

A Fuzzy Rank-Based Late Fusion Method for Image Retrieval

Yiannis S. Boutalis, Avi Arampatzis, Savvas A. Chatzichristofis, 2012, MMM.

Pythia: A Privacy-Enhanced Personalized Contextual Suggestion System for Tourism

Avi Arampatzis, Ioannis N. Athanasiadis, Pavlos S. Efraimidis, 2015, 2015 IEEE 39th Annual Computer Software and Applications Conference.

Versatile Query Scrambling for Private Web Search

Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos, 2015, Information Retrieval Journal.

www.MMRetrieval.net: a multimodal search engine

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2010, SISAP.

DUTh at the ImageCLEF 2016 Image Annotation Task: Content Selection

Avi Arampatzis, Georgios Barlas, Maria Ntonti, 2016, CLEF.

DUTH at SemEval-2017 Task 5: Sentiment Predictability in Financial Microblogging and News Articles

Avi Arampatzis, Symeon Symeonidis, Dimitrios Effrosynidis, 2017, *SEMEVAL.

The design and implementation of SPIRIT: a spatially aware search engine for information retrieval on the Internet

Avi Arampatzis, Bisheng Yang, Hideo Joho, 2007, Int. J. Geogr. Inf. Sci..

Dynamic Two-Stage Image Retrieval from Large Multimodal Databases

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2011, ECIR.

DUTH Does Probabilities of Relevance at the Legal Track

Avi Arampatzis, Dim P. Papadopoulos, Vicky S. Kalogeiton, 2010, TREC.

Linguistic Variation in Information Retrieval and Filtering

Avi Arampatzis, Patrick van Bommel, Theo van der Weide, 1997 .

A Versatile Tool for Privacy-Enhanced Web Search

Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos, 2013, ECIR.

Hybrid Jordan Elman nets in portfolio selection

Yiannis S. Boutalis, Avi Arampatzis, N. Loukeris, 2015, 2015 6th International Conference on Information, Intelligence, Systems and Applications (IISA).

Seagrass detection in the mediterranean: A supervised learning approach

Avi Arampatzis, Dimitrios Effrosynidis, Georgios K. Sylaios, 2018, Ecol. Informatics.

Unbiased S-D Threshold Optimization, Initial Query Degradation, Decay, and Incrementality, for Adaptive Document Filtering

Avi Arampatzis, A. Arampatzis, 2001, TREC.

DUTH at SemEval-2018 Task 2: Emoji Prediction in Tweets

Avi Arampatzis, Symeon Symeonidis, Dimitrios Effrosynidis, 2018, SemEval@NAACL-HLT.

Late fusion of compact composite descriptors for retrieval from heterogeneous image databases

Avi Arampatzis, Savvas A. Chatzichristofis, A. Arampatzis, 2010, SIGIR.

A signal-to-noise approach to score normalization

Avi Arampatzis, Jaap Kamps, J. Kamps, 2009, CIKM.

Recommending Points-of-Interest via Weighted kNN, Rated Rocchio, and Borda Count Fusion

Avi Arampatzis, Georgios Kalamatianos, 2016, TREC.

DUTH at TREC 2013 Contextual Suggestion Track

Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos, 2013, TREC.

Simulating Signal and Noise Queries for Score Normalization in Distributed IR

Avi Arampatzis, Jaap Kamps, 2010 .

KUN on the TREC-9 Filtering Track: Incrementality, Decay, and Threshold Optimization for Adaptive Fi

Avi Arampatzis, Theo van der Weide, Cornelis H. A. Koster, 2000 .

The score-distributional threshold optimization for adaptive binary classification tasks

Avi Arampatzis, André van Hameren, A. Arampatzis, 2001, SIGIR '01.

Fusion vs. Two-Stage for Multimodal Retrieval

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2011, ECIR.

Phase-based information retrieval 1 A previous version of this work was presented as a paper at RIAO

Avi Arampatzis, Cornelis H. A. Koster, Th. P. van der Weide, 1998 .

Score Distributions in Information Retrieval

Stephen E. Robertson, Avi Arampatzis, Jaap Kamps, 2009, ICTIR.

Web-based delineation of imprecise regions

Avi Arampatzis, Mark Sanderson, Hideo Joho, 2006, Comput. Environ. Urban Syst..

Phase-Based Information Retrieval

Avi Arampatzis, Theo P. van der Weide, Cornelis H. A. Koster, 1998, Inf. Process. Manag..

Multi-Dimensional Scattered Ranking Methods for Geographic Information Retrieval*

Avi Arampatzis, Marc J. van Kreveld, Roelof van Zwol, 2005, GeoInformatica.

Multimedia Search with Noisy Modalities: Fusion and Multistage Retrieval

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2010, CLEF.

Linguistically Motivated Information Retrieval

Avi Arampatzis, Patrick van Bommel, Th. P. van der Weide, 2000 .

Distributed Ranking Methods for Geographic Information Retrieval

Avi Arampatzis, Marc J. van Kreveld, Roelof van Zwol, 2004, SDH.

Augmenting Medical Queries with UMLS Concepts via MetaMap

Avi Arampatzis, Christopher Agrafiotes, 2016, TREC.

On CORI Results Merging

Avi Arampatzis, Fabio Crestani, Ilya Markov, 2013, ECIR.

Computational intelligence in optimal portfolio selection — The PI model

Yiannis S. Boutalis, Avi Arampatzis, N. Loukeris, 2015, 2015 6th International Conference on Information, Intelligence, Systems and Applications (IISA).

The TREC files: the (ground) truth is out there

Avi Arampatzis, Savvas A. Chatzichristofis, Konstantinos Zagoris, 2011, SIGIR '11.

A query scrambler for search privacy on the internet

Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos, 2012, Information Retrieval.

Social network analysis of public lists of POIs

Avi Arampatzis, Pavlos S. Efraimidis, Giorgos Stamatelatos, 2015, Panhellenic Conference on Informatics.

Suggesting Points-of-Interest via Content-Based, Collaborative, and Hybrid Fusion Methods in Mobile Devices

Avi Arampatzis, Georgios Kalamatianos, A. Arampatzis, 2017, ACM Trans. Inf. Syst..

DUTH at SemEval-2020 Task 11: BERT with Entity Mapping for Propaganda Classification

Avi Arampatzis, Anastasios Bairaktaris, Symeon Symeonidis, 2020, SemEval@COLING.

Language models and fusion for authorship attribution

Avi Arampatzis, Olga Fourkioti, Symeon Symeonidis, 2019, Inf. Process. Manag..

Where to stop reading a ranked list?: threshold optimization using truncated score distributions

Stephen E. Robertson, Avi Arampatzis, Jaap Kamps, 2009, SIGIR.

Text Filtering using Linguistically-Motivated Indexing Terms

Avi Arampatzis, Patrick van Bommel, Th. P. van der Weide, 1999 .

A Comparative Study of Language Modeling to Instance-Based Methods, and Feature Combinations for Authorship Attribution

Avi Arampatzis, Symeon Symeonidis, Olga Fourkioti, 2017, TPDL.

Unified Access to Heterogeneous Data in Cultural Heritage

Avi Arampatzis, Jaap Kamps, Marijn Koolen, 2007, RIAO.

Pseudo relevance feedback optimization

Avi Arampatzis, Symeon Symeonidis, Georgios Peikos, 2021, Information Retrieval Journal.

Classifying Users Through Keystroke Dynamics

Avi Arampatzis, Ioannis Tsimperidis, Georgios Peikos, 2021 .

An evaluation of feature selection methods for environmental data

Avi Arampatzis, Dimitrios Effrosynidis, A. Arampatzis, 2021, Ecol. Informatics.

DUTH at SemEval-2021 Task 7: Is Conventional Machine Learning for Humorous and Offensive Tasks enough in 2021?

Avi Arampatzis, Dimitrios Effrosynidis, Alexandros Karasakalidis, 2021, SEMEVAL.

Transfer Learning for Automated Responses to the BDI Questionnaire

Avi Arampatzis, George Drosatos, Christoforos Spartalis, 2021, Conference and Labs of the Evaluation Forum.

Entity Ranking as a Search Engine Front-End

Avi Arampatzis, Alexandros Komninos, A. Arampatzis, 2013 .