Pavlos Fafalios

According to our database, Pavlos Fafalios authored at least 65 papers between 2011 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

From Cultural Heritage Assets to Cultural Linked Data - the Case of the Archaeological Museum of Messara.

Dimitris Angelakis, Lida Charami, Pavlos Fafalios, Christos Georgis

ERCIM News, 2024

Beyond Facts: 4th International Workshop on Computational Methods for Online Discourse Analysis.

Konstantin Todorov, Pavlos Fafalios, Stefan Dietze, Dimitar Dimitrov

Proceedings of the Companion Proceedings of the ACM on Web Conference 2024, 2024

2023

The SeaLiT Ontology - An Extension of CIDOC-CRM for the Modeling and Integration of Maritime History Information.

Pavlos Fafalios, Athina Kritsotaki, Martin Doerr

ACM Journal on Computing and Cultural Heritage, September, 2023

A workflow model for holistic data management and semantic interoperability in quantitative archival research.

Pavlos Fafalios, Yannis Marketakis, Anastasia Axaridou, Yannis Tzitzikas, Martin Doerr

Digit. Scholarsh. Humanit., August, 2023

Documenting Data and Knowledge about Feminisms and Politics in the Interwar Balkans with Synthesis-Core.

Pavlos Fafalios, Lida Charami, Katerina Dalakoura

ERCIM News, 2023

BeyondFacts'23: 3rd International Workshop on Knowledge Graphs for Online Discourse Analysis.

Konstantin Todorov, Pavlos Fafalios, Dimitar Dimitrov, Stefan Dietze

Proceedings of the Companion Proceedings of the ACM Web Conference 2023, 2023

FastCat Catalogues: Interactive Entity-Based Exploratory Analysis of Archival Documents.

Georgios Rinakakis, Kostas Petrakis, Yannis Tzitzikas, Pavlos Fafalios

Proceedings of the ACM/IEEE Joint Conference on Digital Libraries, 2023

Truth or Dare: Investigating Claims Truthfulness with ClaimsKG.

Susmita Gangopadhyay, Katarina Boland, Danilo Dessì, Stefan Dietze, Pavlos Fafalios, Andon Tchechmedjiev, Konstantin Todorov, Hajira Jabeen

Proceedings of the Second International Workshop on Linked Data-driven Resilience Research 2023 co-located with Extended Semantic Web Conference 2023 (ESWC 2023), 2023

2022

Beyond facts - a survey and conceptualisation of claims in online discourse analysis.

Katarina Boland, Pavlos Fafalios, Andon Tchechmedjiev, Stefan Dietze, Konstantin Todorov

Semantic Web, 2022

Exploiting stance hierarchies for cost-sensitive stance detection of Web documents.

Arjun Roy, Pavlos Fafalios, Asif Ekbal, Xiaofei Zhu, Stefan Dietze

J. Intell. Inf. Syst., 2022

Estimating the Cost of Executing Link Traversal based SPARQL Queries.

Antonis Sklavos, Pavlos Fafalios, Yannis Tzitzikas

CoRR, 2022

BeyondFacts'22: 2nd International Workshop on Knowledge Graphs for Online Discourse Analysis.

Konstantin Todorov, Pavlos Fafalios, Stefan Dietze

Proceedings of the Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25, 2022

2021

FAST CAT: Collaborative Data Entry and Curation for Semantic Interoperability in Digital Humanities.

Pavlos Fafalios, Kostas Petrakis, Georgios Samaritakis, Korina Doerr, Athina Kritsotaki, Yannis Tzitzikas, Martin Doerr

ACM Journal on Computing and Cultural Heritage, 2021

Digital Seafaring: Digitising, Curating and Exploring Archival Sources of Maritime History.

Martin Doerr, Pavlos Fafalios, Apostolos Delis

ERCIM News, 2021

Towards Semantic Interoperability in Historical Research: Documenting Research Data and Knowledge with Synthesis.

Pavlos Fafalios, Konstantina Konsolaki, Lida Charami, Kostas Petrakis, Manos Paterakis, Dimitris Angelakis, Yannis Tzitzikas, Chryssoula Bekiari, Martin Doerr

CoRR, 2021

ClaimLinker: Linking Text to a Knowledge Graph of Fact-checked Claims.

Evangelos Maliaroudakis, Katarina Boland, Stefan Dietze, Konstantin Todorov, Yannis Tzitzikas, Pavlos Fafalios

Proceedings of the Companion of The Web Conference 2021, 2021

Open Domain Question Answering over Knowledge Graphs Using Keyword Search, Answer Type Prediction, SPARQL and Pre-trained Neural Models.

Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the Semantic Web - ISWC 2021 - 20th International Semantic Web Conference, 2021

Towards Semantic Interoperability inHistorical Research: Documenting Research Data and Knowledge withSynthesis.

Pavlos Fafalios, Konstantina Konsolaki, Lida Charami, Kostas Petrakis, Manos Paterakis, Dimitris Angelakis, Yannis Tzitzikas, Chrysoula Bekiari, Martin Doerr

Proceedings of the Semantic Web - ISWC 2021 - 20th International Semantic Web Conference, 2021

2020

Bias in data-driven artificial intelligence systems - An introductory survey.

Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab

WIREs Data Mining Knowl. Discov., 2020

Tracking the history and evolution of entities: entity-centric temporal analysis of large social media archives.

Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi

Int. J. Digit. Libr., 2020

Building and querying semantic layers for web archives (extended version).

Pavlos Fafalios, Helge Holzmann, Vaibhav Kasturia, Wolfgang Nejdl

Int. J. Digit. Libr., 2020

Bias in Data-driven AI Systems - An Introductory Survey.

Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab

CoRR, 2020

Keyword Search over RDF: Is a Single Perspective Enough?

Christos Nikas, Giorgos Kadilierakis, Pavlos Fafalios, Yannis Tzitzikas

Big Data Cogn. Comput., 2020

Two-stage Semantic Answer Type Prediction for Question Answering using BERT and Class-Specificity Rewarding.

Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge co-located with the 19th International Semantic Web Conference (ISWC 2020), 2020

Better together: an ensemble learner for combining the results of ready-made entity linking systems.

Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze

Proceedings of the SAC '20: The 35th ACM/SIGAPP Symposium on Applied Computing, online event, [Brno, Czech Republic], March 30, 2020

Elas4RDF: Multi-perspective Triple-Centered Keyword Search over RDF Using Elasticsearch.

Giorgos Kadilierakis, Christos Nikas, Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas

Proceedings of the Semantic Web: ESWC 2020 Satellite Events - ESWC 2020 Satellite Events, Heraklion, Crete, Greece, May 31, 2020

Keyword Search over RDF Using Document-Centric Information Retrieval Systems.

Giorgos Kadilierakis, Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas

Proceedings of the Semantic Web - 17th International Conference, 2020

TweetsCOV19 - A Knowledge Base of Semantically Annotated Tweets about the COVID-19 Pandemic.

Dimitar Dimitrov, Erdal Baran, Pavlos Fafalios, Ran Yu, Xiaofei Zhu, Matthäus Zloch, Stefan Dietze

Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

2019

ClaimsKG: A Knowledge Graph of Fact-Checked Claims.

Andon Tchechmedjiev, Pavlos Fafalios, Katarina Boland, Malo Gasquet, Matthäus Zloch, Benjamin Zapilko, Stefan Dietze, Konstantin Todorov

Proceedings of the Semantic Web - ISWC 2019, 2019

Exploring Fact-checked Claims and their Descriptive Statistics.

Malo Gasquet, Darlene Brechtel, Matthäus Zloch, Andon Tchechmedjiev, Katarina Boland, Pavlos Fafalios, Stefan Dietze, Konstantin Todorov

Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, 2019

Modeling and Contextualizing Claims.

Katarina Boland, Pavlos Fafalios, Andon Tchechmedjiev, Konstantin Todorov, Stefan Dietze

Proceedings of the Blockchain enabled Semantic Web Workshop (BlockSW) and Contextualized Knowledge Graphs (CKG) Workshop co-located with the 18th International Semantic Web Conference, 2019

Same but different: distant supervision for predicting and understanding entity linking difficulty.

Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze

Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, 2019

How many and what types of SPARQL queries can be answered through zero-knowledge link traversal?

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, 2019

2018

Viewpoint Discovery and Understanding in Social Networks.

Mainul Quraishi, Pavlos Fafalios, Eelco Herder

Proceedings of the 10th ACM Conference on Web Science, 2018

Ranking Archived Documents for Structured Queries on Semantic Layers.

Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl

Proceedings of the 18th ACM/IEEE on Joint Conference on Digital Libraries, 2018

Heuristics-based Query Reordering for Federated Queries in SPARQL 1.1 and SPARQL-LD.

Thanos Yannakis, Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the 3rd International Workshop on Geospatial Linked Data and the 2nd Workshop on Querying the Web of Data co-located with 15th Extended Semantic Web Conference (ESWC 2018), 2018

Time-Aware and Corpus-Specific Entity Relatedness.

Nilamadhaba Mohapatra, Vasileios Iosifidis, Asif Ekbal, Stefan Dietze, Pavlos Fafalios

Proceedings of the First Workshop on Deep Learning for Knowledge Graphs and Semantic Technologies (DL4KGS) co-located with the 15th Extended Semantic Web Conerence (ESWC 2018), 2018

TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets.

Pavlos Fafalios, Vasileios Iosifidis, Eirini Ntoutsi, Stefan Dietze

Proceedings of the Semantic Web - 15th International Conference, 2018

2017

Stochastic reranking of biomedical search results based on extracted entities.

Pavlos Fafalios, Yannis Tzitzikas

J. Assoc. Inf. Sci. Technol., 2017

Towards a Ranking Model for Semantic Layers over Digital Archives.

Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl

Proceedings of the 2017 ACM/IEEE Joint Conference on Digital Libraries, 2017

Building and Querying Semantic Layers for Web Archives.

Pavlos Fafalios, Helge Holzmann, Vaibhav Kasturia, Wolfgang Nejdl

Proceedings of the 2017 ACM/IEEE Joint Conference on Digital Libraries, 2017

Multi-aspect Entity-Centric Analysis of Big Social Media Archives.

Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi

Proceedings of the Research and Advanced Technology for Digital Libraries, 2017

2016

Exploiting linked data in exploratory search

Pavlos Fafalios

PhD thesis, 2016

Exploiting Linked Data in Exploratory Search.

Pavlos Fafalios

SIGIR Forum, 2016

Quantifying the Connectivity of a Semantic Warehouse and Understanding its Evolution over Time.

Michalis Mountantonakis, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Yannis Tzitzikas

Int. J. Semantic Web Inf. Syst., 2016

Querying the Web of Data with SPARQL-LD.

Pavlos Fafalios, Thanos Yannakis, Yannis Tzitzikas

Proceedings of the Research and Advanced Technology for Digital Libraries, 2016

2015

Unifying heterogeneous and distributed information about marine species through the top level ontology MarineTLO.

Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Martin Doerr, Nikos Minadakis, Theodore Patkos, Leonardo Candela

Program, 2015

Type-Ahead Exploratory Search through Typo and Word Order Tolerant Autocompletion.

Pavlos Fafalios, Yannis Tzitzikas

J. Web Eng., 2015

Exploiting Linked Data for Open and Configurable Named Entity Extraction.

Pavlos Fafalios, Manolis Baritakis, Yannis Tzitzikas

Int. J. Artif. Intell. Tools, 2015

Entity-based Stochastic Analysis of Search Results for Query Expansion and Results Re-Ranking.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of The Twenty-Fourth Text REtrieval Conference, 2015

SPARQL-LD: a SPARQL Extension for Fetching and Querying Linked Data.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

2014

Theophrastus: On demand and real-time automatic annotation and exploration of (web) documents using open linked data.

Pavlos Fafalios, Panagiotis Papadakos

J. Web Semant., 2014

Enriching Textual Search Results at Query Time Using Entity Mining, Linked Data and Link Analysis.

Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas

Int. J. Semantic Comput., 2014

Ontology-based Integration of Heterogeneous and Distributed Information of the Marine Domain.

Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Nikos Minadakis

ERCIM News, 2014

Configuring Named Entity Extraction through Real-Time Exploitation of Linked Data.

Pavlos Fafalios, Manolis Baritakis, Yannis Tzitzikas

Proceedings of the 4th International Conference on Web Intelligence, 2014

Post-analysis of Keyword-Based Search Results Using Entity Mining, Linked Data, and Link Analysis at Query Time.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the 2014 IEEE International Conference on Semantic Computing, 2014

MatWare : Constructing and Exploiting Domain Specific Warehouses by Aggregating Semantic Data.

Yannis Tzitzikas, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Carlo Allocca, Michalis Mountantonakis, Ioanna Zidianaki

Proceedings of the Semantic Web: Trends and Challenges - 11th International Conference, 2014

Extending VoID for Expressing Connectivity Metrics of a Semantic Warehouse.

Michalis Mountantonakis, Carlo Allocca, Pavlos Fafalios, Nikos Minadakis, Yannis Marketakis, Christina Lantzaki, Yannis Tzitzikas

Proceedings of the 1st International Workshop on Dataset PROFIling & fEderated Search for Linked Data co-located with the 11th Extended Semantic Web Conference, 2014

Quantifying the Connectivity of a Semantic Warehouse.

Yannis Tzitzikas, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Carlo Allocca, Michalis Mountantonakis

Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), 2014

Exploratory Professional Search through Semantic Post-Analysis of Search Results.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the Professional Search in the Modern World, 2014

2013

X-ENS: semantic enrichment of web search results at real-time.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

Integrating Heterogeneous and Distributed Information about Marine Species through a Top Level Ontology.

Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Martin Doerr, Nikos Minadakis, Theodore Patkos, Leonardo Candela

Proceedings of the Metadata and Semantics Research - 7th Research Conference, 2013

2012

Scalable, flexible and generic instant overview search.

Pavlos Fafalios, Ioannis Kitsos, Yannis Tzitzikas

Proceedings of the 21st World Wide Web Conference, 2012

Web Searching with Entity Mining at Query Time.

Pavlos Fafalios, Ioannis Kitsos, Yannis Marketakis, Claudio Baldassarre, Michail Salampasis, Yannis Tzitzikas

Proceedings of the Multidisciplinary Information Retrieval, 2012

2011

Exploiting Available Memory and Disk for Scalable Instant Overview Search.

Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the Web Information System Engineering - WISE 2011, 2011