Pavlos Fafalios

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 62

Top Topics

Semantic Interoperability

Top Venues

WWW (Companion Volume)

Publications

Konstantin Todorov, Pavlos Fafalios, Stefan Dietze, Dimitar Dimitrov
Beyond Facts: 4th International Workshop on Computational Methods for Online Discourse Analysis. WWW (Companion Volume) (2024)
Dimitris Angelakis, Lida Charami, Pavlos Fafalios, Christos Georgis
From Cultural Heritage Assets to Cultural Linked Data - the Case of the Archaeological Museum of Messara. ERCIM News 2024 (136) (2024)
Pavlos Fafalios, Yannis Marketakis, Anastasia Axaridou, Yannis Tzitzikas, Martin Doerr
A Workflow Model for Holistic Data Management and Semantic Interoperability in Quantitative Archival Research. CoRR (2023)
Susmita Gangopadhyay, Katarina Boland, Danilo Dessì, Stefan Dietze, Pavlos Fafalios, Andon Tchechmedjiev, Konstantin Todorov, Hajira Jabeen
Truth or Dare: Investigating Claims Truthfulness with ClaimsKG. D2R2 (2023)
Pavlos Fafalios, Athina Kritsotaki, Martin Doerr
The SeaLiT Ontology - An Extension of CIDOC-CRM for the Modeling and Integration of Maritime History Information. ACM Journal on Computing and Cultural Heritage 16 (3) (2023)
Pavlos Fafalios, Yannis Marketakis, Anastasia Axaridou, Yannis Tzitzikas, Martin Doerr
A workflow model for holistic data management and semantic interoperability in quantitative archival research. Digit. Scholarsh. Humanit. 38 (3) (2023)
Georgios Rinakakis, Kostas Petrakis, Yannis Tzitzikas, Pavlos Fafalios
FastCat Catalogues: Interactive Entity-based Exploratory Analysis of Archival Documents. CoRR (2023)
Konstantin Todorov, Pavlos Fafalios, Dimitar Dimitrov, Stefan Dietze
BeyondFacts'23: 3rd International Workshop on Knowledge Graphs for Online Discourse Analysis. WWW (Companion Volume) (2023)
Pavlos Fafalios, Lida Charami, Katerina Dalakoura
Documenting Data and Knowledge about Feminisms and Politics in the Interwar Balkans with Synthesis-Core. ERCIM News 2023 (133) (2023)
Georgios Rinakakis, Kostas Petrakis, Yannis Tzitzikas, Pavlos Fafalios
FastCat Catalogues: Interactive Entity-Based Exploratory Analysis of Archival Documents. JCDL (2023)
Pavlos Fafalios, Athina Kritsotaki, Martin Doerr
The SeaLiT Ontology - An Extension of CIDOC-CRM for the Modeling and Integration of Maritime History Information. CoRR (2023)
Katarina Boland, Pavlos Fafalios, Andon Tchechmedjiev, Stefan Dietze, Konstantin Todorov
Beyond facts - a survey and conceptualisation of claims in online discourse analysis. Semantic Web 13 (5) (2022)
Antonis Sklavos, Pavlos Fafalios, Yannis Tzitzikas
Estimating the Cost of Executing Link Traversal based SPARQL Queries. CoRR (2022)
Arjun Roy, Pavlos Fafalios, Asif Ekbal, Xiaofei Zhu, Stefan Dietze
Exploiting stance hierarchies for cost-sensitive stance detection of Web documents. J. Intell. Inf. Syst. 58 (1) (2022)
Konstantin Todorov, Pavlos Fafalios, Stefan Dietze
BeyondFacts'22: 2nd International Workshop on Knowledge Graphs for Online Discourse Analysis. WWW (Companion Volume) (2022)
Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas
Open Domain Question Answering over Knowledge Graphs Using Keyword Search, Answer Type Prediction, SPARQL and Pre-trained Neural Models. ISWC (2021)
Evangelos Maliaroudakis, Katarina Boland, Stefan Dietze, Konstantin Todorov, Yannis Tzitzikas, Pavlos Fafalios
ClaimLinker: Linking Text to a Knowledge Graph of Fact-checked Claims. WWW (Companion Volume) (2021)
Pavlos Fafalios, Kostas Petrakis, Georgios Samaritakis, Korina Doerr, Athina Kritsotaki, Yannis Tzitzikas, Martin Doerr
FAST CAT: Collaborative Data Entry and Curation for Semantic Interoperability in Digital Humanities. ACM Journal on Computing and Cultural Heritage 14 (4) (2021)
Pavlos Fafalios, Konstantina Konsolaki, Lida Charami, Kostas Petrakis, Manos Paterakis, Dimitris Angelakis, Yannis Tzitzikas, Chryssoula Bekiari, Martin Doerr
Towards Semantic Interoperability in Historical Research: Documenting Research Data and Knowledge with Synthesis. CoRR (2021)
Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze
Better Together - An Ensemble Learner for Combining the Results of Ready-made Entity Linking Systems. CoRR (2021)
Pavlos Fafalios, Kostas Petrakis, Georgios Samaritakis, Korina Doerr, Athina Kritsotaki, Yannis Tzitzikas, Martin Doerr
FAST CAT: Collaborative Data Entry and Curation for Semantic Interoperability in Digital Humanities. CoRR (2021)
Martin Doerr, Pavlos Fafalios, Apostolos Delis
Digital Seafaring: Digitising, Curating and Exploring Archival Sources of Maritime History. ERCIM News 2021 (124) (2021)
Pavlos Fafalios, Konstantina Konsolaki, Lida Charami, Kostas Petrakis, Manos Paterakis, Dimitris Angelakis, Yannis Tzitzikas, Chrysoula Bekiari, Martin Doerr
Towards Semantic Interoperability inHistorical Research: Documenting Research Data and Knowledge withSynthesis. ISWC (2021)
Arjun Roy, Pavlos Fafalios, Asif Ekbal, Xiaofei Zhu, Stefan Dietze
Exploiting stance hierarchies for cost-sensitive stance detection of Web documents. CoRR (2020)
Christos Nikas, Giorgos Kadilierakis, Pavlos Fafalios, Yannis Tzitzikas
Keyword Search over RDF: Is a Single Perspective Enough? Big Data Cogn. Comput. 4 (3) (2020)
Giorgos Kadilierakis, Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas
Keyword Search over RDF Using Document-Centric Information Retrieval Systems. ESWC (2020)
Dimitar Dimitrov, Erdal Baran, Pavlos Fafalios, Ran Yu, Xiaofei Zhu, Matthäus Zloch, Stefan Dietze
TweetsCOV19 - A Knowledge Base of Semantically Annotated Tweets about the COVID-19 Pandemic. CIKM (2020)
Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze
Better together: an ensemble learner for combining the results of ready-made entity linking systems. SAC (2020)
Giorgos Kadilierakis, Christos Nikas, Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas
Elas4RDF: Multi-perspective Triple-Centered Keyword Search over RDF Using Elasticsearch. ESWC (Satellite Events) (2020)
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
Bias in data-driven artificial intelligence systems - An introductory survey. WIREs Data Mining Knowl. Discov. 10 (3) (2020)
Pavlos Fafalios, Helge Holzmann, Vaibhav Kasturia, Wolfgang Nejdl
Building and querying semantic layers for web archives (extended version). Int. J. Digit. Libr. 21 (2) (2020)
Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas
Two-stage Semantic Answer Type Prediction for Question Answering using BERT and Class-Specificity Rewarding. SMART@ISWC (2020)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Tracking the history and evolution of entities: entity-centric temporal analysis of large social media archives. Int. J. Digit. Libr. 21 (1) (2020)
Dimitar Dimitrov, Erdal Baran, Pavlos Fafalios, Ran Yu, Xiaofei Zhu, Matthäus Zloch, Stefan Dietze
TweetsCOV19 - A Knowledge Base of Semantically Annotated Tweets about the COVID-19 Pandemic. CoRR (2020)
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
Bias in Data-driven AI Systems - An Introductory Survey. CoRR (2020)
Katarina Boland, Pavlos Fafalios, Andon Tchechmedjiev, Konstantin Todorov, Stefan Dietze
Modeling and Contextualizing Claims. BlockSW/CKG@ISWC (2019)
Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze
Same but different: distant supervision for predicting and understanding entity linking difficulty. SAC (2019)
Pavlos Fafalios, Yannis Tzitzikas
How many and what types of SPARQL queries can be answered through zero-knowledge link traversal? SAC (2019)
Andon Tchechmedjiev, Pavlos Fafalios, Katarina Boland, Malo Gasquet, Matthäus Zloch, Benjamin Zapilko, Stefan Dietze, Konstantin Todorov
ClaimsKG: A Knowledge Graph of Fact-Checked Claims. ISWC (2) (2019)
Pavlos Fafalios, Yannis Tzitzikas
How Many and What Types of SPARQL Queries can be Answered through Zero-Knowledge Link Traversal? CoRR (2019)
Malo Gasquet, Darlene Brechtel, Matthäus Zloch, Andon Tchechmedjiev, Katarina Boland, Pavlos Fafalios, Stefan Dietze, Konstantin Todorov
Exploring Fact-checked Claims and their Descriptive Statistics. ISWC (Satellites) (2019)
Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl
Ranking Archived Documents for Structured Queries on Semantic Layers. JCDL (2018)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Tracking the History and Evolution of Entities: Entity-centric Temporal Analysis of Large Social Media Archives. CoRR (2018)
Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl
Ranking Archived Documents for Structured Queries on Semantic Layers. CoRR (2018)
Mainul Quraishi, Pavlos Fafalios, Eelco Herder
Viewpoint Discovery and Understanding in Social Networks. CoRR (2018)
Pavlos Fafalios, Vasileios Iosifidis, Eirini Ntoutsi, Stefan Dietze
TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets. ESWC (2018)
Mainul Quraishi, Pavlos Fafalios, Eelco Herder
Viewpoint Discovery and Understanding in Social Networks. WebSci (2018)
Renato Stoffalette João, Pavlos Fafalios, Stefan Dietze
Same but Different: Distant Supervision for Predicting and Understanding Entity Linking Difficulty. CoRR (2018)
Pavlos Fafalios, Vasileios Iosifidis, Eirini Ntoutsi, Stefan Dietze
TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets. CoRR (2018)
Thanos Yannakis, Pavlos Fafalios, Yannis Tzitzikas
Heuristics-based Query Reordering for Federated Queries in SPARQL 1.1 and SPARQL-LD. GeoLD-QuWeDa@ESWC (2018)
Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl
Towards a Ranking Model for Semantic Layers over Digital Archives. CoRR (2018)
Thanos Yannakis, Pavlos Fafalios, Yannis Tzitzikas
Heuristics-based Query Reordering for Federated Queries in SPARQL 1.1 and SPARQL-LD. CoRR (2018)
Nilamadhaba Mohapatra, Vasileios Iosifidis, Asif Ekbal, Stefan Dietze, Pavlos Fafalios
Time-Aware and Corpus-Specific Entity Relatedness. DL4KGS@ESWC (2018)
Pavlos Fafalios, Helge Holzmann, Vaibhav Kasturia, Wolfgang Nejdl
Building and Querying Semantic Layers for Web Archives (Extended Version). CoRR (2018)
Nilamadhaba Mohapatra, Vasileios Iosifidis, Asif Ekbal, Stefan Dietze, Pavlos Fafalios
Time-Aware and Corpus-Specific Entity Relatedness. CoRR (2018)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Multi-aspect Entity-Centric Analysis of Big Social Media Archives. TPDL (2017)
Pavlos Fafalios, Yannis Tzitzikas
Stochastic reranking of biomedical search results based on extracted entities. J. Assoc. Inf. Sci. Technol. 68 (11) (2017)
Pavlos Fafalios, Vaibhav Kasturia, Wolfgang Nejdl
Towards a Ranking Model for Semantic Layers over Digital Archives. JCDL (2017)
Pavlos Fafalios, Helge Holzmann, Vaibhav Kasturia, Wolfgang Nejdl
Building and Querying Semantic Layers for Web Archives. JCDL (2017)
Pavlos Fafalios, Thanos Yannakis, Yannis Tzitzikas
Querying the Web of Data with SPARQL-LD. TPDL (2016)
Michalis Mountantonakis, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Yannis Tzitzikas
Quantifying the Connectivity of a Semantic Warehouse and Understanding its Evolution over Time. Int. J. Semantic Web Inf. Syst. 12 (3) (2016)
Pavlos Fafalios
Exploiting Linked Data in Exploratory Search. SIGIR Forum 50 (2) (2016)
Pavlos Fafalios, Yannis Tzitzikas
SPARQL-LD: a SPARQL Extension for Fetching and Querying Linked Data. ISWC (Posters & Demos) (2015)
Pavlos Fafalios, Manolis Baritakis, Yannis Tzitzikas
Exploiting Linked Data for Open and Configurable Named Entity Extraction. Int. J. Artif. Intell. Tools 24 (2) (2015)
Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Martin Doerr, Nikos Minadakis, Theodore Patkos, Leonardo Candela
Unifying heterogeneous and distributed information about marine species through the top level ontology MarineTLO. Program 50 (1) (2015)
Pavlos Fafalios, Yannis Tzitzikas
Type-Ahead Exploratory Search through Typo and Word Order Tolerant Autocompletion. J. Web Eng. 14 (1&2) (2015)
Pavlos Fafalios, Yannis Tzitzikas
Entity-based Stochastic Analysis of Search Results for Query Expansion and Results Re-Ranking. TREC (2015)
Yannis Tzitzikas, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Carlo Allocca, Michalis Mountantonakis, Ioanna Zidianaki
MatWare : Constructing and Exploiting Domain Specific Warehouses by Aggregating Semantic Data. ESWC (2014)
Michalis Mountantonakis, Carlo Allocca, Pavlos Fafalios, Nikos Minadakis, Yannis Marketakis, Christina Lantzaki, Yannis Tzitzikas
Extending VoID for Expressing Connectivity Metrics of a Semantic Warehouse. PROFILES@ESWC (2014)
Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Nikos Minadakis
Ontology-based Integration of Heterogeneous and Distributed Information of the Marine Domain. ERCIM News 2014 (96) (2014)
Yannis Tzitzikas, Nikos Minadakis, Yannis Marketakis, Pavlos Fafalios, Carlo Allocca, Michalis Mountantonakis
Quantifying the Connectivity of a Semantic Warehouse. EDBT/ICDT Workshops (2014)
Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas
Enriching Textual Search Results at Query Time Using Entity Mining, Linked Data and Link Analysis. Int. J. Semantic Comput. 8 (4) (2014)
Pavlos Fafalios, Manolis Baritakis, Yannis Tzitzikas
Configuring Named Entity Extraction through Real-Time Exploitation of Linked Data. WIMS (2014)
Pavlos Fafalios, Panagiotis Papadakos
Theophrastus: On demand and real-time automatic annotation and exploration of (web) documents using open linked data. J. Web Semant. 29 (2014)
Pavlos Fafalios, Yannis Tzitzikas
Post-analysis of Keyword-Based Search Results Using Entity Mining, Linked Data, and Link Analysis at Query Time. ICSC (2014)
Yannis Tzitzikas, Carlo Allocca, Chryssoula Bekiari, Yannis Marketakis, Pavlos Fafalios, Martin Doerr, Nikos Minadakis, Theodore Patkos, Leonardo Candela
Integrating Heterogeneous and Distributed Information about Marine Species through a Top Level Ontology. MTSR (2013)
Pavlos Fafalios, Yannis Tzitzikas
X-ENS: semantic enrichment of web search results at real-time. SIGIR (2013)
Pavlos Fafalios, Ioannis Kitsos, Yannis Tzitzikas
Scalable, flexible and generic instant overview search. WWW (Companion Volume) (2012)
Pavlos Fafalios, Ioannis Kitsos, Yannis Marketakis, Claudio Baldassarre, Michail Salampasis, Yannis Tzitzikas
Web Searching with Entity Mining at Query Time. IRFC (2012)
Pavlos Fafalios, Yannis Tzitzikas
Exploiting Available Memory and Disk for Scalable Instant Overview Search. WISE (2011)