Umberto Straccia

ORCID

Publication Activity (10 Years)

Years Active: 1991-2024
Publications (10 Years): 34

Top Venues

CoRR

Fuzzy Sets Syst.

Description Logics

Technical University of Dortmund, Germany (PHD)

Education History

Technical University of Dortmund, Germany

PHD

Publications

Fernando Bobillo, Carlos Bobed, Eduardo Mena, Umberto Straccia
A Fuzzy Logic-Based Approach to Semantic Query Answering with Missing Values. FUZZ (2024)
Umberto Straccia, Giovanni Casini
Belief Change based on Knowledge Measures. CoRR (2024)
Franco Alberto Cardillo, Franca Debole, Umberto Straccia
PN-OWL: A two-stage algorithm to learn fuzzy concept inclusions from OWL 2 ontologies. Fuzzy Sets Syst. 490 (2024)
Giovanni Casini, Umberto Straccia
Defeasible RDFS via rational closure. Inf. Sci. 643 (2023)
Franco Alberto Cardillo, Franca Debole, Umberto Straccia
PN-OWL: A Two Stage Algorithm to Learn Fuzzy Concept Inclusions from OWL Ontologies. CoRR (2023)
Jesse Heyninck, Giovanni Casini, Thomas Meyer, Umberto Straccia
Revising Typical Beliefs: One Revision to Rule Them All. KR (2023)
Umberto Straccia, Giovanni Casini
A Minimal Deductive System for RDFS with Negative Statements. KR (2022)
Umberto Straccia, Giovanni Casini
A Minimal Deductive System for RDFS with Negative Statements. CoRR (2022)
Giovanni Casini, Umberto Straccia
Defeasible Reasoning in RDFS. NMR (2022)
Giovanni Casini, Umberto Straccia
A General Framework for Modelling Conditional Reasoning - Preliminary Report. CoRR (2022)
Franco Alberto Cardillo, Umberto Straccia
Fuzzy OWL-Boost: Learning fuzzy concept inclusions via real-valued boosting. Fuzzy Sets Syst. 438 (2022)
Giovanni Casini, Umberto Straccia
A General Framework for Modelling Conditional Reasoning - Preliminary Report. KR (2022)
Giovanni Casini, Umberto Straccia
A Rational Entailment for Expressive Description Logics via Description Logic Programs. SACAIR (2021)
Giovanni Casini, Umberto Straccia
A Rational Entailment for Expressive Description Logics via Description Logic Programs. CoRR (2021)
Ignacio Huitzil, Umberto Straccia, Carlos Bobed, Eduardo Mena, Fernando Bobillo
The Serializable and Incremental Semantic Reasoner fuzzyDL. FUZZ-IEEE (2020)
Umberto Straccia
How Much Knowledge Is in a Knowledge Base? Introducing Knowledge Measures (Preliminary Report). ECAI (2020)
Giovanni Casini, Umberto Straccia
Defeasible RDFS via Rational Closure. CoRR (2020)
Ignacio Huitzil, Fernando Bobillo, Juan Gómez-Romero, Umberto Straccia
Fudge: Fuzzy ontology building with consensuated fuzzy datatypes. Fuzzy Sets Syst. 401 (2020)
Franco Alberto Cardillo, Umberto Straccia
Fuzzy OWL-BOOST: Learning Fuzzy Concept Inclusions via Real-Valued Boosting. CoRR (2020)
Giovanni Casini, Umberto Straccia, Thomas Meyer
A polynomial Time Subsumption Algorithm for Nominal Safe ELO⊥ under Rational Closure. Inf. Sci. 501 (2019)
Faranak Sobhani, Umberto Straccia
Towards a Forensic Event Ontology to Assist Video Surveillance-based Vandalism Detection. CoRR (2019)
Tommaso Di Noia, Marina Mongiello, Francesco Nocera, Umberto Straccia
A fuzzy ontology-based approach for tool-supported decision making in architectural design. Knowl. Inf. Syst. 58 (1) (2019)
Faranak Sobhani, Umberto Straccia
Towards a Forensic Event Ontology to Assist Video Surveillance-based Vandalism Detection. CILC (2019)
Umberto Straccia
An Introduction to Fuzzy & Annotated Semantic Web Languages. CoRR (2018)
Fernando Bobillo, Umberto Straccia
Reasoning within Fuzzy OWL 2 EL revisited. Fuzzy Sets Syst. 351 (2018)
Giovanni Casini, Umberto Straccia, Thomas Meyer
under Rational Closure. CoRR (2018)
Ignacio Huitzil, Umberto Straccia, Natalia Díaz Rodríguez, Fernando Bobillo
Datil: Learning Fuzzy Ontology Datatypes. IPMU (2) (2018)
Umberto Straccia
Fuzzy Semantic Web Languages and Beyond. IEA/AIE (1) (2017)
Andrea Calì, Umberto Straccia
Integration of deep web sources: a distributed information retrieval approach. WIMS (2017)
Fernando Bobillo, Umberto Straccia
Generalizing type-2 fuzzy ontologies and type-2 fuzzy description logics. Int. J. Approx. Reason. 87 (2017)
Natalia Díaz Rodríguez, Aki Härmä, Ignacio Huitzil, Fernando Bobillo, Umberto Straccia, Rim Helaoui
Couch potato or gym addict? Semantic lifestyle profiling with wearables and knowledge graphs. AKBC@NIPS (2017)
Umberto Straccia, Fernando Bobillo
From Fuzzy to Annotated Semantic Web Languages. Reasoning Web (2016)
Fernando Bobillo, Umberto Straccia
Optimising fuzzy description logic reasoners with general concept inclusion absorption. Fuzzy Sets Syst. 292 (2016)
Fernando Bobillo, Umberto Straccia
The fuzzy ontology reasoner fuzzyDL. Knowl. Based Syst. 95 (2016)
Fernando Bobillo, Umberto Straccia
Reducing the Size of the Optimization Problems in Fuzzy Ontology Reasoning. URSW@ISWC (2015)
Francesca A. Lisi, Umberto Straccia
Learning in Description Logics with Fuzzy Concrete Domains. Fundam. Informaticae 140 (3-4) (2015)
Umberto Straccia
All About Fuzzy Description Logics and Applications. Reasoning Web (2015)
Fernando Bobillo, Umberto Straccia
On partitioning-based optimisations in expressive fuzzy Description Logics. FUZZ-IEEE (2015)
Umberto Straccia, Matteo Mucci
pFOIL-DL: learning (fuzzy) EL concept descriptions from crisp OWL data using a probabilistic ensemble estimation. SAC (2015)
Andrea Calì, Umberto Straccia
A Framework for Conjunctive Query Answering over Distributed Deep Web Information Resources. SEBD (2015)
Tommaso Di Noia, Marina Mongiello, Umberto Straccia
Fuzzy Description Logics for Component Selection in Software Design. SEFM Workshops (2015)
Fernando Bobillo, Umberto Straccia
A MILP-based Decision Procedure for the (Fuzzy) Description Logic ALCB. Description Logics (2014)
Marco Cerami, Umberto Straccia
Complexity Sources in Fuzzy Description Logic. Description Logics (2014)
Francesca Alessandra Lisi, Umberto Straccia
A System for Learning GCI Axioms in Fuzzy Description Logics. Description Logics (2013)
Francesca A. Lisi, Umberto Straccia
A Logic-based Computational Method for the Automated Induction of Fuzzy Ontology Axioms. Fundam. Informaticae 124 (4) (2013)
Fernando Bobillo, Umberto Straccia
Aggregation operators for fuzzy ontologies. Appl. Soft Comput. 13 (9) (2013)
Fernando Bobillo, Umberto Straccia
Finite Fuzzy Description Logics and Crisp Representations. URSW (LNCS Vol.) (2013)
Marco Cerami, Umberto Straccia
On the (un)decidability of fuzzy description logics under Łukasiewicz t-norm. Inf. Sci. 227 (2013)
Francesca Alessandra Lisi, Umberto Straccia
Dealing with Incompleteness and Vagueness in Inductive Logic Programming. CILC (2013)
Nicolás Madrid, Umberto Straccia
On Top-k Retrieval for a Family of Non-monotonic Ranking Functions. FQAS (2013)
Francesca A. Lisi, Umberto Straccia
A FOIL-Like Method for Learning under Incompleteness and Vagueness. ILP (2013)
Fernando Bobillo, Umberto Straccia
General Concept Inclusion Absorptions for Fuzzy Description logics: A First Step. Description Logics (2013)
Giovanni Casini, Umberto Straccia
Towards Rational Closure for Fuzzy Logic: The Case of Propositional Gödel Logic. LPAR (2013)
Giovanni Casini, Umberto Straccia
Defeasible Inheritance-Based Description Logics. J. Artif. Intell. Res. 48 (2013)
Umberto Straccia
Description Logics with Fuzzy Concrete Domains CoRR (2012)
Umberto Straccia, Nicolás Madrid
A top-k query answering procedure for fuzzy logic programming. Fuzzy Sets Syst. 205 (2012)
Umberto Straccia
Top-k retrieval for ontology mediated access to relational databases. Inf. Sci. 198 (2012)
Fernando Bobillo, Umberto Straccia
Generalized fuzzy rough description logics. Inf. Sci. 189 (2012)
Fernando Bobillo, Miguel Delgado, Juan Gómez-Romero, Umberto Straccia
Joining Gödel and Zadeh Fuzzy Logics in Fuzzy Description Logics. Int. J. Uncertain. Fuzziness Knowl. Based Syst. 20 (4) (2012)
Umberto Straccia
Foundations of Fuzzy Logic and Semantic Web Languages. CILC (2012)
Antoine Zimmermann, Nuno Lopes, Axel Polleres, Umberto Straccia
A general framework for representing, reasoning and querying with annotated Semantic Web data. J. Web Semant. 11 (2012)
Francesca A. Lisi, Umberto Straccia
Can ILP Deal with Incomplete and Vague Structured Knowledge? ILP (Late Breaking Papers) (2011)
Fernando Bobillo, Félix Bou, Umberto Straccia
On the failure of the finite model property in some Fuzzy Description Logics. Fuzzy Sets Syst. 172 (1) (2011)
Fernando Bobillo, Umberto Straccia
Fuzzy ontology representation using OWL 2. Int. J. Approx. Reason. 52 (7) (2011)
Antoine Zimmermann, Nuno Lopes, Axel Polleres, Umberto Straccia
A General Framework for Representing, Reasoning and Querying with Annotated Semantic Web Data CoRR (2011)
Giovanni Casini, Umberto Straccia
Defeasible Inheritance-Based Description Logics. IJCAI (2011)
Marco Cerami, Umberto Straccia
On the Undecidability of Fuzzy Description Logics with GCIs with Lukasiewicz t-norm CoRR (2011)
Fernando Bobillo, Umberto Straccia
Aggregation operators and Fuzzy OWL 2. FUZZ-IEEE (2011)
Carlos Viegas Damásio, Alun D. Preece, Umberto Straccia
Proceedings of the Doctoral Consortium and Poster Session of the 5th International Symposium on Rules (RuleML 2011@IJCAI) CoRR (2011)
Francesca A. Lisi, Umberto Straccia
Towards Learning Fuzzy DL Inclusion Axioms. WILF (2011)
Fernando Bobillo, Umberto Straccia
Fuzzy ontologies and fuzzy integrals. ISDA (2011)
Umberto Straccia
Reasoning within Fuzzy Description Logics CoRR (2011)
Fernando Bobillo, Umberto Straccia
Reasoning with the finitely many-valued Lukasiewicz fuzzy Description Logic SROIQ. Inf. Sci. 181 (4) (2011)
Umberto Straccia
Fuzzy Logic, Annotation Domains and Semantic Web Languages. SUM (2011)
Francesca A. Lisi, Umberto Straccia
An Inductive Logic Programming Approach to Learning Inclusion Axioms in Fuzzy Description Logics. CILC (2011)
Nuno Lopes, Axel Polleres, Umberto Straccia, Antoine Zimmermann
AnQL: SPARQLing Up Annotated RDFS. ISWC (1) (2010)
Giovanni Casini, Umberto Straccia
Rational Closure for Defeasible Description Logics. JELIA (2010)
Alexander Borgida, Jos de Bruijn, Enrico Franconi, Inanç Seylan, Umberto Straccia, David Toman, Grant E. Weddell
On Finding Query Rewritings under Expressive Constraints. SEBD (2010)
Nicolás Madrid Labrador, Umberto Straccia
Monotonic Mappings Invariant Linearisation of Finite Posets CoRR (2010)
Fernando Bobillo, Félix Bou, Umberto Straccia
On the Failure of the Finite Model Property in some Fuzzy Description Logics CoRR (2010)
Umberto Straccia
An Ontology Mediated Multimedia Information Retrieval System. ISMVL (2010)
Fernando Bobillo, Umberto Straccia
Fuzzy Ontology Representation using OWL 2 CoRR (2010)
Fernando Bobillo, Umberto Straccia
Finite Fuzzy Description Logics: A Crisp Representation for Finite Fuzzy ALCH. URSW (2010)
Umberto Straccia
SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases. SMC (2010)
Fernando Bobillo, Umberto Straccia
Representing fuzzy ontologies in OWL 2. FUZZ-IEEE (2010)
Umberto Straccia, Nuno Lopes, Gergely Lukácsy, Axel Polleres
A General Framework for Representing and Reasoning with Annotated Semantic Web Data. AAAI (2010)
Alessandro Ciaramella, Mario G. C. A. Cimino, Francesco Marcelloni, Umberto Straccia
Combining Fuzzy Logic and Semantic Web to Enable Situation-Awareness in Service Recommendation. DEXA (1) (2010)
Fernando Bobillo, Umberto Straccia
Fuzzy description logics with general t-norms and datatypes. Fuzzy Sets Syst. 160 (23) (2009)
Fernando Bobillo, Miguel Delgado, Juan Gómez-Romero, Umberto Straccia
Fuzzy description logics under Gödel semantics. Int. J. Approx. Reason. 50 (3) (2009)
Azzurra Ragone, Umberto Straccia, Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini
Fuzzy matchmaking in e-marketplaces of peer entities using Datalog. Fuzzy Sets Syst. 160 (2) (2009)
Umberto Straccia, Eufemia Tinelli, Simona Colucci, Tommaso Di Noia, Eugenio Di Sciascio
Semantic-Based Top-k Retrieval for Competence Management. ISMIS (2009)
Thomas Lukasiewicz, Umberto Straccia
Description logic programs under probabilistic uncertainty and fuzzy vagueness. Int. J. Approx. Reason. 50 (6) (2009)
Umberto Straccia
A Minimal Deductive System for General Fuzzy RDF. RR (2009)
Fernando Bobillo, Umberto Straccia
Fuzzy Descriptions Logics with Fuzzy Truth Values. IFSA/EUSFLAT Conf. (2009)
Fernando Bobillo, Umberto Straccia
Supporting Fuzzy Rough Sets in Fuzzy Description Logics. ECSQARU (2009)
Umberto Straccia, Eufemia Tinelli, Simona Colucci, Tommaso Di Noia, Eugenio Di Sciascio
A System for Retrieving Top-k Candidates to Job Positions. Description Logics (2009)
Umberto Straccia
Multi Criteria Decision Making in Fuzzy Description Logics: A First Step. KES (1) (2009)
Yann Loyer, Umberto Straccia
Approximate well-founded semantics, query answering and generalized normal logic programs over lattices. Ann. Math. Artif. Intell. 55 (3-4) (2009)
Fernando Bobillo, Umberto Straccia
An OWL Ontology for Fuzzy OWL 2. ISMIS (2009)
Umberto Straccia
Towards spatial reasoning in fuzzy description logics. FUZZ-IEEE (2009)

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Publication Activity (10 Years)

Top Topics

Top Venues

Umberto Straccia