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ORCIDUmberto Straccia
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- affiliation: National Research Council, Italy
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2020 – today
- 2023
[i19]Franco Alberto Cardillo, Franca Debole, Umberto Straccia:
PN-OWL: A Two Stage Algorithm to Learn Fuzzy Concept Inclusions from OWL Ontologies. CoRR abs/2303.07192 (2023)- 2022
- [j41]Franco Alberto Cardillo
, Umberto Straccia:
Fuzzy OWL-Boost: Learning fuzzy concept inclusions via real-valued boosting. Fuzzy Sets Syst. 438: 164-186 (2022) - [c112]Giovanni Casini, Umberto Straccia:
A General Framework for Modelling Conditional Reasoning - Preliminary Report. KR 2022 - [c111]Umberto Straccia, Giovanni Casini:
A Minimal Deductive System for RDFS with Negative Statements. KR 2022 - [c110]Giovanni Casini, Umberto Straccia:
Defeasible Reasoning in RDFS. NMR 2022: 155-158 - [i18]Giovanni Casini, Umberto Straccia:
A General Framework for Modelling Conditional Reasoning - Preliminary Report. CoRR abs/2202.07596 (2022) - [i17]Umberto Straccia, Giovanni Casini:
A Minimal Deductive System for RDFS with Negative Statements. CoRR abs/2202.13750 (2022) - 2021
- [c109]Giovanni Casini, Umberto Straccia:
A Rational Entailment for Expressive Description Logics via Description Logic Programs. SACAIR 2021: 177-191 - [i16]Giovanni Casini, Umberto Straccia:
A Rational Entailment for Expressive Description Logics via Description Logic Programs. CoRR abs/2107.06075 (2021) - 2020
- [j40]Ignacio Huitzil, Fernando Bobillo, Juan Gómez-Romero, Umberto Straccia:
Fudge: Fuzzy ontology building with consensuated fuzzy datatypes. Fuzzy Sets Syst. 401: 91-112 (2020) - [c108]Umberto Straccia:
How Much Knowledge Is in a Knowledge Base? Introducing Knowledge Measures (Preliminary Report). ECAI 2020: 905-912 - [c107]Ignacio Huitzil, Umberto Straccia, Carlos Bobed, Eduardo Mena, Fernando Bobillo:
The Serializable and Incremental Semantic Reasoner fuzzyDL. FUZZ-IEEE 2020: 1-8 - [i15]Giovanni Casini, Umberto Straccia:
Defeasible RDFS via Rational Closure. CoRR abs/2007.07573 (2020) - [i14]Franco Alberto Cardillo, Umberto Straccia:
Fuzzy OWL-BOOST: Learning Fuzzy Concept Inclusions via Real-Valued Boosting. CoRR abs/2008.05297 (2020)
2010 – 2019
- 2019
- [j39]Giovanni Casini, Umberto Straccia, Thomas Meyer:
A polynomial Time Subsumption Algorithm for Nominal Safe ELO⊥ under Rational Closure. Inf. Sci. 501: 588-620 (2019) - [j38]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): 83-112 (2019) - [c106]Faranak Sobhani, Umberto Straccia:
Towards a Forensic Event Ontology to Assist Video Surveillance-based Vandalism Detection. CILC 2019: 30-47 - [i13]Faranak Sobhani, Umberto Straccia:
Towards a Forensic Event Ontology to Assist Video Surveillance-based Vandalism Detection. CoRR abs/1903.09012 (2019) - 2018
- [j37]Fernando Bobillo, Umberto Straccia:
Reasoning within Fuzzy OWL 2 EL revisited. Fuzzy Sets Syst. 351: 1-40 (2018) - [c105]Ignacio Huitzil, Umberto Straccia, Natalia Díaz Rodríguez, Fernando Bobillo:
Datil: Learning Fuzzy Ontology Datatypes. IPMU (2) 2018: 100-112 - [r2]Carlo Meghini, Fabrizio Sebastiani, Umberto Straccia:
Multimedia Information Retrieval Model. Encyclopedia of Database Systems (2nd ed.) 2018 - [i12]Giovanni Casini, Umberto Straccia, Thomas Meyer:
A Polynomial Time Subsumption Algorithm for Nominal Safe ELO⊥ under Rational Closure. CoRR abs/1802.08201 (2018) - [i11]Umberto Straccia:
An Introduction to Fuzzy & Annotated Semantic Web Languages. CoRR abs/1811.05724 (2018) - 2017
- [j36]Fernando Bobillo, Umberto Straccia:
Generalizing type-2 fuzzy ontologies and type-2 fuzzy description logics. Int. J. Approx. Reason. 87: 40-66 (2017) - [c104]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 - [c103]Umberto Straccia:
Fuzzy Semantic Web Languages and Beyond. IEA/AIE (1) 2017: 3-8 - [c102]Andrea Calì, Umberto Straccia:
Integration of deep web sources: a distributed information retrieval approach. WIMS 2017: 33:1-33:4 - 2016
- [j35]Fernando Bobillo, Umberto Straccia:
Optimising fuzzy description logic reasoners with general concept inclusion absorption. Fuzzy Sets Syst. 292: 98-129 (2016) - [j34]Fernando Bobillo, Umberto Straccia:
The fuzzy ontology reasoner fuzzyDL. Knowl. Based Syst. 95: 12-34 (2016) - [c101]Umberto Straccia, Fernando Bobillo:
From Fuzzy to Annotated Semantic Web Languages. Reasoning Web 2016: 203-240 - 2015
- [j33]Francesca A. Lisi, Umberto Straccia:
Learning in Description Logics with Fuzzy Concrete Domains. Fundam. Informaticae 140(3-4): 373-391 (2015) - [c100]Fernando Bobillo, Umberto Straccia:
On partitioning-based optimisations in expressive fuzzy Description Logics. FUZZ-IEEE 2015: 1-8 - [c99]Umberto Straccia:
All About Fuzzy Description Logics and Applications. Reasoning Web 2015: 1-31 - [c98]Umberto Straccia, Matteo Mucci:
pFOIL-DL: learning (fuzzy) EL concept descriptions from crisp OWL data using a probabilistic ensemble estimation. SAC 2015: 345-352 - [c97]Andrea Calì, Umberto Straccia:
A Framework for Conjunctive Query Answering over Distributed Deep Web Information Resources. SEBD 2015: 358-365 - [c96]Tommaso Di Noia, Marina Mongiello, Umberto Straccia:
Fuzzy Description Logics for Component Selection in Software Design. SEFM Workshops 2015: 228-239 - [c95]Fernando Bobillo, Umberto Straccia:
Reducing the Size of the Optimization Problems in Fuzzy Ontology Reasoning. URSW@ISWC 2015: 54-59 - 2014
- [c94]Fernando Bobillo, Umberto Straccia:
A MILP-based Decision Procedure for the (Fuzzy) Description Logic ALCB. Description Logics 2014: 378-390 - [c93]Marco Cerami, Umberto Straccia:
Complexity Sources in Fuzzy Description Logic. Description Logics 2014: 421-433 - [e4]Umberto Straccia, Andrea Calì:
Scalable Uncertainty Management - 8th International Conference, SUM 2014, Oxford, UK, September 15-17, 2014. Proceedings. Lecture Notes in Computer Science 8720, Springer 2014, ISBN 978-3-319-11507-8 [contents] - 2013
- [j32]Fernando Bobillo, Umberto Straccia:
Aggregation operators for fuzzy ontologies. Appl. Soft Comput. 13(9): 3816-3830 (2013) - [j31]Francesca A. Lisi, Umberto Straccia:
A Logic-based Computational Method for the Automated Induction of Fuzzy Ontology Axioms. Fundam. Informaticae 124(4): 503-519 (2013) - [j30]Marco Cerami, Umberto Straccia:
On the (un)decidability of fuzzy description logics under Łukasiewicz t-norm. Inf. Sci. 227: 1-21 (2013) - [j29]Giovanni Casini, Umberto Straccia:
Defeasible Inheritance-Based Description Logics. J. Artif. Intell. Res. 48: 415-473 (2013) - [c92]Francesca Alessandra Lisi, Umberto Straccia:
Dealing with Incompleteness and Vagueness in Inductive Logic Programming. CILC 2013: 179-193 - [c91]Fernando Bobillo, Umberto Straccia:
General Concept Inclusion Absorptions for Fuzzy Description logics: A First Step. Description Logics 2013: 513-525 - [c90]Francesca Alessandra Lisi, Umberto Straccia:
A System for Learning GCI Axioms in Fuzzy Description Logics. Description Logics 2013: 760-778 - [c89]Nicolás Madrid, Umberto Straccia:
On Top-k Retrieval for a Family of Non-monotonic Ranking Functions. FQAS 2013: 507-518 - [c88]Francesca A. Lisi, Umberto Straccia:
A FOIL-Like Method for Learning under Incompleteness and Vagueness. ILP 2013: 123-139 - [c87]Giovanni Casini, Umberto Straccia:
Towards Rational Closure for Fuzzy Logic: The Case of Propositional Gödel Logic. LPAR 2013: 213-227 - [c86]Fernando Bobillo, Umberto Straccia:
Finite Fuzzy Description Logics and Crisp Representations. URSW (LNCS Vol.) 2013: 99-118 - [p4]Umberto Straccia:
On the Top-k Retrieval Problem for Ontology-Based Access to Databases. Flexible Approaches in Data, Information and Knowledge Management 2013: 95-114 - 2012
- [j28]Umberto Straccia, Nicolás Madrid:
A top-k query answering procedure for fuzzy logic programming. Fuzzy Sets Syst. 205: 1-29 (2012) - [j27]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): 475-508 (2012) - [j26]Fernando Bobillo, Umberto Straccia:
Generalized fuzzy rough description logics. Inf. Sci. 189: 43-62 (2012) - [j25]Umberto Straccia:
Top-k retrieval for ontology mediated access to relational databases. Inf. Sci. 198: 1-23 (2012) - [j24]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: 72-95 (2012) - [c85]Umberto Straccia:
Foundations of Fuzzy Logic and Semantic Web Languages. CILC 2012: 1 - [e3]Sumeet Dua, Aryya Gangopadhyay, Parimala Thulasiraman, Umberto Straccia, Michael A. Shepherd, Benno Stein:
Information Systems, Technology and Management - 6th International Conference, ICISTM 2012, Grenoble, France, March 28-30, 2012. Proceedings. Communications in Computer and Information Science 285, Springer 2012, ISBN 978-3-642-29165-4 [contents] - [e2]Markus Krötzsch, Umberto Straccia:
Web Reasoning and Rule Systems - 6th International Conference, RR 2012, Vienna, Austria, September 10-12, 2012. Proceedings. Lecture Notes in Computer Science 7497, Springer 2012, ISBN 978-3-642-33202-9 [contents] - [i10]Umberto Straccia:
Description Logics with Fuzzy Concrete Domains. CoRR abs/1207.1410 (2012) - 2011
- [j23]Fernando Bobillo, Félix Bou, Umberto Straccia:
On the failure of the finite model property in some Fuzzy Description Logics. Fuzzy Sets Syst. 172(1): 1-12 (2011) - [j22]Fernando Bobillo, Umberto Straccia:
Fuzzy ontology representation using OWL 2. Int. J. Approx. Reason. 52(7): 1073-1094 (2011) - [j21]Fernando Bobillo, Umberto Straccia:
Reasoning with the finitely many-valued Lukasiewicz fuzzy Description Logic SROIQ. Inf. Sci. 181(4): 758-778 (2011) - [c84]Francesca A. Lisi, Umberto Straccia:
An Inductive Logic Programming Approach to Learning Inclusion Axioms in Fuzzy Description Logics. CILC 2011: 57-71 - [c83]Fernando Bobillo, Umberto Straccia:
Aggregation operators and Fuzzy OWL 2. FUZZ-IEEE 2011: 1727-1734 - [c82]Giovanni Casini, Umberto Straccia:
Defeasible Inheritance-Based Description Logics. IJCAI 2011: 813-818 - [c81]Francesca A. Lisi, Umberto Straccia:
Can ILP Deal with Incomplete and Vague Structured Knowledge? ILP (Late Breaking Papers) 2011: 199-206 - [c80]Fernando Bobillo, Umberto Straccia:
Fuzzy ontologies and fuzzy integrals. ISDA 2011: 1311-1316 - [c79]Umberto Straccia:
Fuzzy Logic, Annotation Domains and Semantic Web Languages. SUM 2011: 2-21 - [c78]Francesca A. Lisi, Umberto Straccia:
Towards Learning Fuzzy DL Inclusion Axioms. WILF 2011: 58-66 - [e1]Stefano Bragaglia, Carlos Viegas Damásio, Marco Montali, Alun D. Preece, Charles J. Petrie, Mark Proctor, Umberto Straccia:
Proceedings of the 5th International RuleML2011@BRF Challenge, co-located with the 5th International Rule Symposium, Fort Lauderdale, Florida, USA, November 3-5, 2011. CEUR Workshop Proceedings 799, CEUR-WS.org 2011 [contents] - [i9]Antoine Zimmermann, Nuno Lopes, Axel Polleres, Umberto Straccia:
A General Framework for Representing, Reasoning and Querying with Annotated Semantic Web Data. CoRR abs/1103.1255 (2011) - [i8]Umberto Straccia:
Reasoning within Fuzzy Description Logics. CoRR abs/1106.0667 (2011) - [i7]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 abs/1107.1686 (2011) - [i6]Marco Cerami, Umberto Straccia:
On the Undecidability of Fuzzy Description Logics with GCIs with Lukasiewicz t-norm. CoRR abs/1107.4212 (2011) - 2010
- [c77]Umberto Straccia, Nuno Lopes, Gergely Lukácsy, Axel Polleres:
A General Framework for Representing and Reasoning with Annotated Semantic Web Data. AAAI 2010 - [c76]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: 31-45 - [c75]Fernando Bobillo, Umberto Straccia:
Representing fuzzy ontologies in OWL 2. FUZZ-IEEE 2010: 1-6 - [c74]Umberto Straccia:
An Ontology Mediated Multimedia Information Retrieval System. ISMVL 2010: 319-324 - [c73]Giovanni Casini, Umberto Straccia:
Rational Closure for Defeasible Description Logics. JELIA 2010: 77-90 - [c72]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: 426-437 - [c71]Fernando Bobillo, Umberto Straccia:
Finite Fuzzy Description Logics: A Crisp Representation for Finite Fuzzy ALCH. URSW 2010: 61-72 - [c70]Nuno Lopes, Axel Polleres, Umberto Straccia, Antoine Zimmermann:
AnQL: SPARQLing Up Annotated RDFS. ISWC (1) 2010: 518-533 - [c69]Umberto Straccia:
SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases. SMC 2010: 4115-4122 - [i5]Fernando Bobillo, Félix Bou, Umberto Straccia:
On the Failure of the Finite Model Property in some Fuzzy Description Logics. CoRR abs/1003.1588 (2010) - [i4]Nicolás Madrid Labrador, Umberto Straccia:
Monotonic Mappings Invariant Linearisation of Finite Posets. CoRR abs/1006.2679 (2010) - [i3]Fernando Bobillo, Umberto Straccia:
Fuzzy Ontology Representation using OWL 2. CoRR abs/1009.3391 (2010)
2000 – 2009
- 2009
- [j20]Yann Loyer, Umberto Straccia:
Approximate well-founded semantics, query answering and generalized normal logic programs over lattices. Ann. Math. Artif. Intell. 55(3-4): 389-417 (2009) - [j19]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): 251-268 (2009) - [j18]Fernando Bobillo, Umberto Straccia:
Fuzzy description logics with general t-norms and datatypes. Fuzzy Sets Syst. 160(23): 3382-3402 (2009) - [j17]Fernando Bobillo, Miguel Delgado, Juan Gómez-Romero, Umberto Straccia:
Fuzzy description logics under Gödel semantics. Int. J. Approx. Reason. 50(3): 494-514 (2009) - [j16]Thomas Lukasiewicz, Umberto Straccia:
Description logic programs under probabilistic uncertainty and fuzzy vagueness. Int. J. Approx. Reason. 50(6): 837-853 (2009) - [j15]Umberto Straccia, Manuel Ojeda-Aciego, Carlos Viegas Damásio:
On Fixed-Points of Multivalued Functions on Complete Lattices and Their Application to Generalized Logic Programs. SIAM J. Comput. 38(5): 1881-1911 (2009) - [c68]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 - [c67]Fernando Bobillo, Umberto Straccia:
Supporting Fuzzy Rough Sets in Fuzzy Description Logics. ECSQARU 2009: 676-687 - [c66]Fernando Bobillo, Umberto Straccia:
Fuzzy Descriptions Logics with Fuzzy Truth Values. IFSA/EUSFLAT Conf. 2009: 189-194 - [c65]Umberto Straccia:
Towards spatial reasoning in fuzzy description logics. FUZZ-IEEE 2009: 512-517 - [c64]Fernando Bobillo, Umberto Straccia:
Extending Datatype Restrictions in Fuzzy Description Logics. ISDA 2009: 785-790 - [c63]Fernando Bobillo, Umberto Straccia:
An OWL Ontology for Fuzzy OWL 2. ISMIS 2009: 151-160 - [c62]Umberto Straccia, Eufemia Tinelli, Simona Colucci, Tommaso Di Noia, Eugenio Di Sciascio:
Semantic-Based Top-k Retrieval for Competence Management. ISMIS 2009: 473-482 - [c61]Umberto Straccia:
Multi Criteria Decision Making in Fuzzy Description Logics: A First Step. KES (1) 2009: 78-86 - [c60]Umberto Straccia:
A Minimal Deductive System for General Fuzzy RDF. RR 2009: 166-181 - [c59]Umberto Straccia, Eufemia Tinelli, Tommaso Di Noia, Eugenio Di Sciascio, Simona Colucci:
Top-k Retrieval for Automated Human Resource Management. SEBD 2009: 161-168 - [p3]Simona Colucci, Tommaso Di Noia, Azzurra Ragone, Michele Ruta, Umberto Straccia, Eufemia Tinelli:
Informative Top-k Retrieval for Advanced Skill Management. Semantic Web Information Management 2009: 449-476 - [r1]Carlo Meghini, Fabrizio Sebastiani, Umberto Straccia:
Multimedia Information Retrieval Model. Encyclopedia of Database Systems 2009: 1820-1824 - 2008
- [j14]Carlos Viegas Damásio, Jeff Z. Pan, Giorgos Stoilos, Umberto Straccia:
Representing Uncertainty in RuleML. Fundam. Informaticae 82(3): 265-288 (2008) - [j13]Thomas Lukasiewicz, Umberto Straccia:
Tightly Coupled Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web. Int. J. Semantic Web Inf. Syst. 4(3): 68-89 (2008) - [j12]Thomas Lukasiewicz, Umberto Straccia:
Managing uncertainty and vagueness in description logics for the Semantic Web. J. Web Semant. 6(4): 291-308 (2008) - [c58]Azzurra Ragone, Umberto Straccia, Fernando Bobillo, Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini:
Fuzzy Description Logics for Bilateral Matchmaking in e-Marketplaces. Description Logics 2008 - [c57]Azzurra Ragone, Umberto Straccia, Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini:
Towards a Fuzzy Logic for Automated Multi-issue Negotiation. FoIKS 2008: 381-396 - [c56]Fernando Bobillo, Umberto Straccia:
fuzzyDL: An expressive fuzzy description logic reasoner. FUZZ-IEEE 2008: 923-930 - [c55]Fernando Bobillo, Umberto Straccia:
Towards a Crisp Representation of Fuzzy Description Logics under Lukasiewicz Semantics. ISMIS 2008: 309-318 - [c54]Azzurra Ragone, Umberto Straccia, Fernando Bobillo, Tommaso Di Noia, Eugenio Di Sciascio:
Fuzzy Bilateral Matchmaking in e-Marketplaces. KES (3) 2008: 293-301 - [c53]Umberto Straccia:
Managing Uncertainty and Vagueness in Description Logics, Logic Programs and Description Logic Programs. Reasoning Web 2008: 54-103 - [c52]Azzurra Ragone, Umberto Straccia, Fernando Bobillo, Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini:
A Fuzzy Description Logic Approach to Bilateral Matchmaking in Electronic Marketplaces. SEBD 2008: 211-222 - [c51]Umberto Straccia, Giulio Visco:
DL-Media: An Ontology Mediated Multimedia Information Retrieval System. URSW 2008 - 2007
- [j11]Henrik Nottelmann, Umberto Straccia:
Information retrieval and machine learning for probabilistic schema matching. Inf. Process. Manag. 43(3): 552-576 (2007) - [j10]Henri Avancini, Leonardo Candela, Umberto Straccia:
Recommenders in a personalized, collaborative digital library environment. J. Intell. Inf. Syst. 28(3): 253-283 (2007) - [c50]Umberto Straccia, Giulio Visco:
DLMedia: an Ontology Mediated Multimedia Information Retrieval System. Description Logics 2007 - [c49]