selected publications
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academic article
- Knowledge4COVID-19: A semantic-based approach for constructing a COVID-19 related knowledge graph from various sources and analyzing treatments’ toxicities. Web semantics: science, services and agents on the World Wide Web. 75:100760. 2023
- Scaling up knowledge graph creation to large and heterogeneous data sources. Web semantics: science, services and agents on the World Wide Web. 75:100755. 2023
- Efficient semantic summary graphs for querying large knowledge graphs. International Journal of Information Management Data Insights. 2:100082. 2022
- Identifying the presence and severity of dementia by applying interpretable machine learning techniques on structured clinical records. BMC Medical Informatics and Decision Making. 22. 2022
- Improving Early Prognosis of Dementia Using Machine Learning Methods. ACM Transactions on Computing for Healthcare. 3:1-16. 2022
- Knowledge-Driven Data Ecosystems Toward Data Transparency. Journal of Data and Information Quality. 14:1-12. 2022
- Resorting to Context-Aware Background Knowledge for Unveiling Semantically Related Social Media Posts. IEEE Access. 10:115351-115371. 2022
- SKG4EOSC - Scholarly Knowledge Graphs for EOSC: Establishing a backbone of knowledge graphs for FAIR Scholarly Information in EOSC. Research Ideas and Outcomes. 8. 2022
- Traditional Machine Learning Models and Bidirectional Encoder Representations From Transformer (BERT)–Based Automatic Classification of Tweets About Eating Disorders: Algorithm Development and Validation Study. JMIR Medical Informatics. 10:e34492. 2022
- Compact representations for efficient storage of semantic sensor data. Journal of Intelligent Information Systems. 57:203-228. 2021
- Compact representations for efficient storage of semantic sensor data. Journal of Intelligent Information Systems. 57:203-228. 2021
- Creating and Capturing Artificial Emotions in Autonomous Robots and Software Agents. Journal of Web Engineering. 20:933-970. 2021
- Discover Relations in the Industry 4.0 Standards Via Unsupervised Learning on Knowledge Graph Embeddings. Journal of Data Intelligence. 2:336-347. 2021
- Enhancing virtual ontology based access over tabular data with Morph-CSV. Semantic Web. 12:869-902. 2021
- Compacting frequent star patterns in RDF graphs. Journal of Intelligent Information Systems. 55:561-585. 2020
- Bias in data‐driven artificial intelligence systems—An introductory survey. WIREs Data Mining and Knowledge Discovery. 10:e1356. 2020
- No one is perfect: Analysing the performance of question answering components over the DBpedia knowledge graph. Web semantics: science, services and agents on the World Wide Web. 65:100594. 2020
- IOTA: Interlinking of Heterogeneous Multilingual Open Fiscal DaTA. Expert Systems with Applications. 2019
- Transforming Heterogeneous Data into Knowledge for Personalized Treatments—A Use Case. Datenbank-Spektrum. 19:95-106. 2019
- Evaluation of metadata representations in RDF stores. Semantic Web. 10:205-229. 2019
- DESERT: A Continuous SPARQL Query Engine for On-Demand Query Answering. International journal of semantic computing. 12:373-397. 2018
- Experience: Open Fiscal Datasets, Common Issues, and Recommendations. Journal of Data and Information Quality. 9:1-10. 2018
- Federated Semantic Data Management (Dagstuhl Seminar 17262). Dagstuhl Reports. 7:135-167. 2017
- Comparing MapReduce and Pipeline Implementations for Counting Triangles. Electronic Proceedings in Theoretical Computer Science : EPTCS. 237:20-33. 2017
- Decomposing federated queries in presence of replicated fragments. Web semantics: science, services and agents on the World Wide Web. 42:1-18. 2017
- Enhancing answer completeness of SPARQL queries via crowdsourcing. Web semantics: science, services and agents on the World Wide Web. 45:41-62. 2017
- Use of Knowledge Graph in Rescoring the N-Best List in Automatic Speech Recognition. Computing Research Repository. abs/1705.08018. 2017
- LITMUS: An Open Extensible Framework for Benchmarking RDF Data Management Solutions. Computing Research Repository. abs/1608.02800. 2016
- Determining similarity of scientific entities in annotation datasets. Database. 2015. 2015
- An authority-flow based ranking approach to discover potential novel associations between Linked Data. Semantic Web. 5:23-46. 2014
- Efficiently Producing the K Nearest Neighbors in the Skyline on Vertically Partitioned Tables. International Journal of Information Retrieval Research. 3:58-77. 2013
- A Non-Chronological Backtracking Unfolding Algorithm for Transactional Web Service Composition. Procedia Computer Science. 10:888-893. 2012
- Experiences of sampling-based approaches for estimating QoS parameters in the Web Service composition problem. International journal of web and grid services : IJWGS. 8:1. 2012
- Query evaluation and optimization in the semantic web. Theory and Practice of Logic Programming. 8:393-409. 2008
- PATH-BASED SYSTEMS TO GUIDE SCIENTISTS IN THE MAZE OF BIOLOGICAL DATA SOURCES. Journal of Bioinformatics and Computational Biology. 04:1069-1095. 2006
- BioFast. ACM SIGMOD Record. 33:72. 2004
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article
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book
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chapter
- EABlock: a declarative entity alignment block for knowledge graph creation pipelines. SAC '22: Proceedings of the 37th ACM/SIGAPP Symposium on Applied Computing, April 2022 . ACM. 1908-1916. 2022
- Leibniz Data Manager – A Research Data Management System. The Semantic Web: ESWC 2022 Satellite Events. 73-77. 2022
- Digital Transformation of Education Credential Processes and Life Cycles - A Structured Overview on Main Challenges and Research Questions. Proceedings of the 12th International Conference on Mobile, Hybrid, and On-line Learning (eLmL 2020). 54-57. 2021
- Analyzing a Knowledge Graph of Industry 4.0 Standards. WWW '21: Companion Proceedings of the Web Conference 2021. 16-25. 2021
- Managing Knowledge in Energy Data Spaces. WWW '21: Companion Proceedings of the Web Conference 2021. 7-15. 2021
- Trav-SHACL: Efficiently Validating Networks of SHACL Constraints. WWW '21: Companion Proceedings of the Web Conference 2021. 3337-3348. 2021
- A Data-Driven Approach for Analyzing Healthcare Services Extracted from Clinical Records. 2020 IEEE 33rd International Symposium on Computer-Based Medical Systems (CBMS). 193-196. 2020
- Chapter 5 Federated Query Processing. Knowledge Graphs and Big Data Processing. Cham: Springer Nature. 73-86. 2020
- Chapter 8 Context-Based Entity Matching for Big Data. Knowledge Graphs and Big Data Processing. Cham: Springer Nature. 122-146. 2020
- Chapter 9 Survey on Big Data Applications. Knowledge Graphs and Big Data Processing. Cham, Switzerland: Springer Nature. 149-164. 2020
- Creating and Capturing Artificial Emotions in Autonomous Robots and Software Agents. Web Engineering: 20th International Conference, ICWE 2020, Helsinki, Finland, June 9–12, 2020, Proceedings. 277-292. 2020
- A Knowledge Graph for Industry 4.0. The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31–June 4, 2020, Proceedings. 465-480. 2020
- Encoding Knowledge Graph Entity Aliases in Attentive Neural Network for Wikidata Entity Linking. Web Information Systems Engineering – WISE 2020. 328-342. 2020
- Interaction Network Analysis Using Semantic Similarity Based on Translation Embeddings. Semantic Systems. The Power of AI and Knowledge Graphs. 249-255. 2019
- Ranking Knowledge Graphs By Capturing Knowledge about Languages and Labels. K-CAP '19: Proceedings of the 10th International Conference on Knowledge Capture. ACM. 21-28. 2019
- MapSDI: A Scaled-Up Semantic Data Integration Framework for Knowledge Graph Creation. On the Move to Meaningful Internet Systems: OTM 2019 Conferences. Springer, Cham. 58-75. 2019
- What Are the Parameters that Affect the Construction of a Knowledge Graph?. On the Move to Meaningful Internet Systems: OTM 2019 Conferences. OTM 2019.. 695-713. 2019
- Semantic Representation of Scientific Publications. Digital Libraries for Open Knowledge 2019. Springer, Cham. 375-379. 2019
- iASiS: Towards Heterogeneous Big Data Analysis for Personalized Medicine. 2019 IEEE 32nd International Symposium on Computer-Based Medical Systems (CBMS). 106-111. 2019
- COMET: A Contextualized Molecule-Based Matching Technique. Database and Expert Systems Applications: 30th International Conference, DEXA 2019 Linz, Austria, August 26–29, 2019 Proceedings, Part I. Springer, Cham. 175-185. 2019
- Ontario: Federated Query Processing Against a Semantic Data Lake. Database and Expert Systems Applications: 30th International Conference, DEXA 2019 Linz, Austria, August 26–29, 2019 Proceedings, Part I. Springer Nature. 379-395. 2019
- Old is Gold: Linguistic Driven Approach for Entity and Relation Linking of Short Text. Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers). Association for Computational Linguistics. 2336-2346. 2019
- Linked Data on the Web and its Relationship with Distributed Ledgers (LDOW/LDDL). WWW '19 Companion Proceedings of The 2019 World Wide Web Conference . 823-839. 2019
- Summarizing Entity Temporal Evolution in Knowledge Graphs. WWW '19 Companion Proceedings of The 2019 World Wide Web Conference . 961-965. 2019
- Semantic Data Integration of Big Biomedical Data for Supporting Personalised Medicine. Current Trends in Semantic Web Technologies: Theory and Practice. Cham: Springer Nature. 25-56. 2019
- PURE: A Privacy Aware Rule-Based Framework over Knowledge Graphs. Database and Expert Systems Applications: 30th International Conference, DEXA 2019 Linz, Austria, August 26–29, 2019 Proceedings, Part I. Springer, Cham. 205-214. 2019
- Semantic Data Integration Techniques for Transforming Big Biomedical Data into Actionable Knowledge. 2019 IEEE 32nd International Symposium on Computer-Based Medical Systems (CBMS). IEEE. 563-566. 2019
- A Knowledge-Driven Pipeline for Transforming Big Data into Actionable Knowledge. Data Integration in the Life Sciences. 44-49. 2018
- Data Integration for Supporting Biomedical Knowledge Graph Creation at Large-Scale. Data Integration in the Life Sciences. Cham: Springer, Cham. 91-96. 2018
- FedSDM: Semantic Data Manager for Federations of RDF Datasets. Data Integration in the Life Sciences. 85-90. 2018
- Knowledge Graphs for Semantically Integrating Cyber-Physical Systems. Lecture Notes in Computer Science. 184-199. 2018
- BOUNCER: Privacy-Aware Query Processing over Federations of RDF Datasets. Lecture Notes in Computer Science. 69-84. 2018
- GARUM: A Semantic Similarity Measure Based on Machine Learning and Entity Characteristics. Lecture Notes in Computer Science. 169-183. 2018
- OpenBudgets.eu: A Platform for Semantically Representing and Analyzing Open Fiscal Data. Lecture Notes in Computer Science. 433-447. 2018
- Querying Interlinked Data by Bridging RDF Molecule Templates. Transactions on Large-Scale Data- and Knowledge-Centered Systems XXXIX. 1-42. 2018
- Synthesizing Knowledge Graphs from Web Sources with the MINTE+ Framework. Lecture Notes in Computer Science. 359-375. 2018
- Ulysses: An Intelligent Client for Replicated Triple Pattern Fragments. Lecture Notes in Computer Science. 182-186. 2018
- Unveiling Scholarly Communities over Knowledge Graphs. Digital Libraries for Open Knowledge. 103-115. 2018
- Diefficiency Metrics: Measuring the Continuous Efficiency of Query Processing Approaches. Lecture Notes in Computer Science. 3-19. 2017
- Towards a Multi-way Similarity Join Operator. Communications in Computer and Information Science. 267-274. 2017
- Challenges for Semantically Driven Collaborative Spaces. Semantic Web Collaborative Spaces. 3-9. 2016
- Considering Semantics on the Discovery of Relations in Knowledge Graphs. Lecture Notes in Computer Science. 666-680. 2016
- On the Selection of SPARQL Endpoints to Efficiently Execute Federated SPARQL Queries. Transactions on Large-Scale Data- and Knowledge-Centered Systems XXV. 109-149. 2016
- AnnEvol: An Evolutionary Framework to Description Ontology-Based Annotations. Lecture Notes in Computer Science. 87-103. 2015
- Combining Multiple Knowledge Sources: A Case Study of Drug Induced Liver Injury. Lecture Notes in Computer Science. 3-12. 2015
- D-FOPA: A Dynamic Final Object Pruning Algorithm to Efficiently Produce Skyline Points Over Data Streams. Lecture Notes in Computer Science. 117-133. 2015
- DEFENDER: A DEcomposer for quEries agaiNst feDERations of Endpoints. Lecture Notes in Computer Science. 480-484. 2015
- Federated SPARQL Queries Processing with Replicated Fragments. The Semantic Web - ISWC 2015. 36-51. 2015
- Networks of Linked Data Eddies: An Adaptive Web Query Processing Engine for RDF Data. The Semantic Web - ISWC 2015. 111-127. 2015
- OnSim: A Similarity Measure for Determining Relatedness Between Ontology Terms. Lecture Notes in Computer Science. 70-86. 2015
- Analyzing Linked Data Quality with LiQuate. Lecture Notes in Computer Science. 488-493. 2014
- Drug-Target Interaction Prediction Using Semantic Similarity and Edge Partitioning. The Semantic Web – ISWC 2014. 131-146. 2014
- Exploiting Semantics from Ontologies and Shared Annotations to Partition Linked Data. Lecture Notes in Computer Science. 120-127. 2014
- Graphium Chrysalis: Exploiting Graph Database Engines to Analyze RDF Graphs. Lecture Notes in Computer Science. 326-331. 2014
- SemLAV: Local-As-View Mediation for SPARQL Queries. 33-58. 2014
- SemLAV: Querying Deep Web and Linked Open Data with SPARQL. Lecture Notes in Computer Science. 332-337. 2014
- Traversing the Linking Open Data Cloud to Create News from Tweets. On the Move to Meaningful Internet Systems: OTM 2014 Workshops. 479-488. 2014
- Analyzing Linked Data Quality with LiQuate. Lecture Notes in Computer Science. 629-638. 2013
- FOPA: A Final Object Pruning Algorithm to Efficiently Produce Skyline Points. Lecture Notes in Computer Science. 334-348. 2013
- FRAGOLA: Fabulous RAnking of GastrOnomy LocAtions. Lecture Notes in Computer Science. 408-413. 2013
- GUN: An Efficient Execution Strategy for Querying the Web of Data. Lecture Notes in Computer Science. 180-194. 2013
- LiQuate-Estimating the Quality of Links in the Linking Open Data Cloud. Resource Discovery. 56-82. 2013
- Medical Image Rendering and Description Driven by Semantic Annotations. Resource Discovery. 123-149. 2013
- On the Efficiency of Querying and Storing RDF Documents. Advances in Data Mining and Database Management. 354-385. 2012
- A Transactional-QoS Driven Approach for Web Service Composition. Resource Discovery. 23-42. 2012
- Benchmarking Federated SPARQL Query Engines: Are Existing Testbeds Enough?. The Semantic Web – ISWC 2012. 313-324. 2012
- Challenges of Quality-Driven Resource Discovery. Resource Discovery. 181-189. 2012
- Efficiently Producing the K Nearest Neighbors in the Skyline for Multidimensional Datasets. On the Move to Meaningful Internet Systems: OTM 2012 Workshops. 673-676. 2012
- Finding Cross Genome Patterns in Annotation Graphs. Lecture Notes in Computer Science. 21-36. 2012
- Ranking and Clustering Techniques to Support an Efficient E-Democracy. On the Move to Meaningful Internet Systems: OTM 2012 Workshops. 298-301. 2012
- ANAPSID: An Adaptive Query Processing Engine for SPARQL Endpoints. The Semantic Web – ISWC 2011. 18-34. 2011
- CAREY: ClimAtological ContRol of EmergencY Regions. On the Move to Meaningful Internet Systems: OTM 2011 Workshops. 494-503. 2011
- To Cache or Not To Cache: The Effects of Warming Cache in Complex SPARQL Queries. On the Move to Meaningful Internet Systems: OTM 2011. 716-733. 2011
- An Expressive and Efficient Solution to the Service Selection Problem. Lecture Notes in Computer Science. 386-401. 2010
- BioNav: An Ontology-Based Framework to Discover Semantic Links in the Cloud of Linked Data. Lecture Notes in Computer Science. 441-445. 2010
- Efficiently Joining Group Patterns in SPARQL Queries. Lecture Notes in Computer Science. 228-242. 2010
- Efficiently Selecting the Best Web Services. Resource Discovery. 120-139. 2010
- Expressing and Managing Reactivity in the Semantic Web. On the Move to Meaningful Internet Systems, OTM 2010. 1018-1035. 2010
- Customized and Optimized Service Selection with ProtocolDB. Lecture Notes in Computer Science. 112-123. 2009
- Reaching the Top of the Skyline: An Efficient Indexed Algorithm for Top-k Skyline Queries. Lecture Notes in Computer Science. 471-485. 2009
- A Deductive Approach for Resource Interoperability and Well-Defined Workflows. On the Move to Meaningful Internet Systems: OTM 2008 Workshops. 998-1009. 2008
- Magic Rewritings for Efficiently Processing Reactivity on Web Ontologies. On the Move to Meaningful Internet Systems: OTM 2008. 1338-1354. 2008
- Deductive Web Services: An Ontology-Driven Approach for Service Interoperability in Life Science. On the Move to Meaningful Internet Systems 2007: OTM 2007 Workshops. 1338-1347. 2007
- BioNavigation: Selecting Optimum Paths Through Biological Resources to Evaluate Ontological Navigational Queries. Lecture Notes in Computer Science. 275-283. 2005
- Preferred Skyline: A Hybrid Approach Between SQLf and Skyline. Lecture Notes in Computer Science. 375-384. 2005
- Top-k Skyline: A Unified Approach. On the Move to Meaningful Internet Systems 2005: OTM 2005 Workshops. 790-799. 2005
- Efficient Techniques to Explore and Rank Paths in Life Science Data Sources. Lecture Notes in Computer Science. 187-202. 2004
- Source selection and ranking in the websemantics architecture using quality of data metadata. Advances in Computers. 87-118. 2002
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conference paper
- Capturing Knowledge about Drug-Drug Interactions to Enhance Treatment Effectiveness 2021
- Unveiling Relations in the Industry 4.0 Standards Landscape Based on Knowledge Graph Embeddings. Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Czech Republic, September 14–17, 2020, Proceedings, Part II. 179-194. 2020
- Optimizing Federated Queries Based on the Physical Design of a Data Lake. EDBT/ICDT 2020 Workshops: Proceedings of the Workshops of the EDBT/ICDT 2020 Joint Conference, Copenhagen, Denmark, March 30, 2020. 2020
- Falcon 2.0 2020
- SDM-RDFizer 2020
- FALCON: An Entity and Relation Linking Framework over DBpedia. Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019). 265-268. 2019
- HARE: An Engine for Enhancing Answer Completeness of SPARQL Queries via Crowdsourcing 2018
- Classifying Data Heterogeneity within Budget and Spending Open Data 2018
- Dynamic Composition of Question Answering Pipelines with FRANKENSTEIN 2018
- EffTE: a dependency-aware approach for test-driven ontology development 2018
- Intelligent Clients for Replicated Triple Pattern Fragments. The Semantic Web. 400-414. 2018
- SAANSET: Semi-Automated Acquisition of Scholarly Metadata Using OpenResearch.org Platform 2018
- Seamless integration of cyber-physical systems in knowledge graphs 2018
- Semantic Enrichment of IoT Stream Data On-demand 2018
- Shipping Knowledge Graph Management Capabilities to Data Providers and Consumers 2018
- Towards a Knowledge Graph for Science 2018
- Why Reinvent the Wheel: Let's Build Question Answering Systems Together 2018
- Synthesizing a Knowledge Graph of Data Scientist Job Offers with MINTE+. Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018.. 2018
- A big data architecture for managing oceans of data and maritime applications 2017
- Maritime data technology landscape and value chain exploiting oceans of data for maritime applications 2017
- Semantic Data Integration for Knowledge Graph Construction at Query Time 2017
- The industry 4.0 standards landscape from a semantic integration perspective 2017
- Capturing Knowledge in Semantically-typed Relational Patterns to Enhance Relation Linking. K-CAP 2017 : Proceedings of the Knowledge Capture Conference. Article No. 31. 2017
- Efficient Processing of Semantically Represented Sensor Data. Proceedings of the 13th International Conference on Web Information Systems and Technologies, WEBIST 2017, Porto, Portugal, April 25-27, 2017. 252-259. 2017
- Enterprise Knowledge Graphs: A Semantic Approach for Knowledge Management in the Next Generation of Enterprise Information Systems. ICEIS 2017 - Proceedings of the 19th International Conference on Enterprise Information Systems, Volume 2, Porto, Portugal, April 26-29, 2017. 88-98. 2017
- Integration of Scholarly Communication Metadata Using Knowledge Graphs. Research and Advanced Technology for Digital Libraries : 21st International Conference on Theory and Practice of Digital Libraries, TPDL 2017, Thessaloniki, Greece, September 18-21, 2017, Proceedings. 328-341. 2017
- Large-scale storage and query processing for semantic sensor data. Proceedings of the 7th International Conference on Web Intelligence, Mining and Semantics, WIMS 2017, Amantea, Italy, June 19-22, 2017. 8:1-8:12. 2017
- MINTE: semantically integrating RDF graphs. Proceedings of the 7th International Conference on Web Intelligence, Mining and Semantics, WIMS 2017, Amantea, Italy, June 19-22, 2017. 22:1-22:11. 2017
- MULDER: Querying the Linked Data Web by Bridging RDF Molecule Templates. Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I. 3-18. 2017
- MateTee: A Semantic Similarity Metric Based on Translation Embeddings for Knowledge Graphs. Web Engineering - 17th International Conference, ICWE 2017, Rome, Italy, June 5-8, 2017, Proceedings. 246-263. 2017
- QAestro - Semantic-Based Composition of Question Answering Pipelines. Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I. 19-34. 2017
- SJoin: A Semantic Join Operator to Integrate Heterogeneous RDF Graphs. Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I. 206-221. 2017
- SMJoin: A Multi-way Join Operator for SPARQL Queries. Semantics2017: Proceedings of the 13th International Conference on Semantic Systems. 104-111. 2017
- Semantic Data Integration for Knowledge Graph Construction at Query Time. 11th IEEE International Conference on Semantic Computing, ICSC 2017, San Diego, CA, USA, January 30 - February 1, 2017. 109-116. 2017
- The BigDataEurope Platform - Supporting the Variety Dimension of Big Data. Web Engineering - 17th International Conference, ICWE 2017, Rome, Italy, June 5-8, 2017, Proceedings. 41-59. 2017
- Towards an Integrated Graph Algebra for Graph Pattern Matching with Gremlin. Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I. 81-91. 2017
- GADES 2016
- Mobile teleradiology system suitable for m-health services supporting content and semantic based image retrieval on a grid infrastructure 2016
- Alligator: A Deductive Approach for the Integration of Industry 4.0 Standards. Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings. 272-287. 2016
- Co-evolution of RDF Datasets. Web Engineering - 16th International Conference, ICWE 2016, Lugano, Switzerland, June 6-9, 2016. Proceedings. 225-243. 2016
- Factorization Techniques for Longitudinal Linked Data (Short Paper). On the Move to Meaningful Internet Systems: OTM 2016 Conferences - Confederated International Conferences: CoopIS, C&TC, and ODBASE 2016, Rhodes, Greece, October 24-28, 2016, Proceedings. 690-698. 2016
- FuhSen: A Federated Hybrid Search Engine for Building a Knowledge Graph On-Demand (Short Paper). On the Move to Meaningful Internet Systems: OTM 2016 Conferences - Confederated International Conferences: CoopIS, C&TC, and ODBASE 2016, Rhodes, Greece, October 24-28, 2016, Proceedings. 752-761. 2016
- Proactive Prevention of False-Positive Conflicts in Distributed Ontology Development. Proceedings of the 8th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2016) - Volume 2: KEOD, Porto - Portugal, November 9 - 11, 2016.. 43-51. 2016
- Towards Semantification of Big Data Technology. Big Data Analytics and Knowledge Discovery - 18th International Conference, DaWaK 2016, Porto, Portugal, September 6-8, 2016, Proceedings. 376-390. 2016
- An automatic method for the enrichment of DICOM metadata using biomedical ontologies 2015
- Exploiting information content and semantics to accurately compute similarity of GO-based annotated entities 2015
- HARE: A Hybrid SPARQL Engine to Enhance Query Answers via Crowdsourcing 2015
- PAnG 2012
- A sampling-based approach to identify QoS for web service orchestrations 2010
- Flexible and efficient querying and ranking on hyperlinked data sources 2009
- BiOnMap 2008
- Techniques to Produce Optimal Web Service Compositions 2008
- Measuring Relatedness Between Scientific Entities in Annotation Datasets 2007
- Implementing a Bioinformatics Pipeline (BIP) on a Mediator Platform: Comparing Cost and Quality of Alternate Choices 2006
- Query Rewriting in the Semantic Web7 2006
- Ranking target objects of navigational queries 2006
- Semantic Model to Integrate Biological Resources 2006
- BioNavigation: Using Ontologies to Express Meaningful Navigational Queries Over Biological Resources 2005
- Navigating through the biological maze 2004
- Challenges in selecting paths for navigational queries 2004
- Evaluation paths to express scientific queries 2004
- WebSOGO 2003
- XWebSOGO 2003
- Efficient evaluation of queries in a mediator for WebSources 2002
- Web query optimizer 2000
- A meta-wrapper for scaling up to multiple autonomous distributed information sources 1998
- Wrapper generation for Web accessible data sources 1998
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conference poster
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editorial article
- Managing the evolution and preservation of the data web. Web semantics: science, services and agents on the World Wide Web. 54:1-3. 2019
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preprint
- Dragoman: Efficiently Evaluating Declarative Mapping Languages over Frameworks for Knowledge Graph Creation 2022
- Analyzing a Knowledge Graph of Industry4.0 Standards 2021
- Knowledge-driven Data Ecosystems Towards Data Transparency 2021
- Managing Knowledge in Energy Data Spaces 2021
- Reuse of Semantic Models for Emerging Smart Grids Applications 2021
- Trav-SHACL: Efficiently Validating Networks of SHACL Constraints 2021
- FunMap: Efficient Execution of Functional Mappings for Knowledge Graph Creation 2020
- SDM-RDFizer: An RML Interpreter for the Efficient Creation of RDF Knowledge Graphs 2020
- Unveiling Relations in the Industry 4.0 Standards Landscape based on Knowledge Graph Embeddings 2020
- Enhancing OBDA Query Translation over Tabular Data with Morph-CSV 2020
- Compact Representations for Efficient Storage of Semantic Sensor Data 2020
- Context-aware Entity Linking with Attentive Neural Networks on Wikidata Knowledge Graph 2019-12-12
- Towards an Integrated Graph Algebra for Graph Pattern Matching with Gremlin (Extended Version) 2019-08-17
- Towards Optimisation of Collaborative Question Answering over Knowledge Graphs 2019
- Using The Force to Solve Linked Data Incompleteness. Linked Open Data Validity : A Technical Report from ISWS 2018. 98-117. 2019
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working paper
Co-author Network
Map of Science