Umberto Straccia
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Italian computer scientist
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Computer Science
Umberto Straccia's Degrees
- PhD Computer Science University of Calabria
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(Suggest an Edit or Addition)Umberto Straccia's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Reasoning within Fuzzy Description Logics (2011) (555)
- Managing uncertainty and vagueness in description logics for the Semantic Web (2008) (512)
- Fuzzy Ontology Representation using OWL 2 (2010) (307)
- fuzzyDL: An expressive fuzzy description logic reasoner (2008) (298)
- A fuzzy description logic for the semantic web (2006) (248)
- Web metasearch: rank vs. score based rank aggregation methods (2003) (242)
- Towards a Fuzzy Description Logic for the Semantic Web (Preliminary Report) (2005) (201)
- A model of information retrieval based on a terminological logic (1993) (170)
- Rational Closure for Defeasible Description Logics (2010) (161)
- A General Framework for Representing, Reasoning and Querying with Annotated Semantic Web Data (2011) (154)
- Description Logics with Fuzzy Concrete Domains (2005) (141)
- User Profile Modeling and Applications to Digital Libraries (1999) (123)
- A personalized collaborative Digital Library environment: a model and an application (2005) (118)
- Fuzzy description logics under Gödel semantics (2009) (116)
- Transforming Fuzzy Description Logics into Classical Description Logics (2004) (111)
- Fuzzy description logics with general t-norms and datatypes (2009) (108)
- Default Inheritance Reasoning in Hybrid KL-ONE-Style Logics (1993) (103)
- The fuzzy ontology reasoner fuzzyDL (2016) (102)
- Defeasible Inheritance-Based Description Logics (2011) (99)
- Foundations of Fuzzy Logic and Semantic Web Languages (2013) (90)
- Managing Uncertainty and Vagueness in Description Logics, Logic Programs and Description Logic Programs (2008) (88)
- Reasoning with the finitely many-valued Lukasiewicz fuzzy Description Logic SROIQ (2011) (88)
- Answering Vague Queries in Fuzzy DL-Lite (2006) (85)
- Description Logic Programs Under Probabilistic Uncertainty and Fuzzy Vagueness (2007) (84)
- A Fuzzy Description Logic (1998) (80)
- General Concept Inclusions inFluzzy Description Logics (2006) (80)
- A relevance terminological logic for information retrieval (1996) (78)
- A General Framework for Representing and Reasoning with Annotated Semantic Web Data (2010) (78)
- Information retrieval and machine learning for probabilistic schema matching (2005) (75)
- A Fuzzy Description Logic with Product T-norm (2007) (74)
- Mixed Integer Programming, General Concept Inclusions and Fuzzy Description Logics (2007) (71)
- On the (un)decidability of fuzzy description logics under Łukasiewicz t-norm (2013) (70)
- Description Logics over Lattices (2006) (67)
- A Minimal Deductive System for General Fuzzy RDF (2009) (66)
- oMAP: Combining Classifiers for Aligning Automatically OWL Ontologies (2005) (63)
- AnQL: SPARQLing Up Annotated RDFS (2010) (63)
- A Sequent Calculus for Reasoning in Four-Valued Description Logics (1997) (63)
- A model of multimedia information retrieval (2001) (62)
- Towards Top-k Query Answering in Description Logics: The Case of DL-Lite (2006) (58)
- An OWL Ontology for Fuzzy OWL 2 (2009) (58)
- On the Failure of the Finite Model Property in some Fuzzy Description Logics (2010) (58)
- Joining Gödel and Zadeh Fuzzy Logics in Fuzzy Description Logics (2012) (56)
- Top-k Retrieval in Description Logic Programs Under Vagueness for the Semantic Web (2007) (55)
- Aggregation operators for fuzzy ontologies (2013) (49)
- Representing fuzzy ontologies in OWL 2 (2010) (47)
- Query Answering in Normal Logic Programs Under Uncertainty (2005) (44)
- Recommenders in a personalized, collaborative digital library environment (2007) (44)
- User recommendation for collaborative and personalised digital archives (2005) (43)
- Lexicographic Closure for Defeasible Description Logics (2012) (40)
- sPLMap: A Probabilistic Approach to Schema Matching (2005) (39)
- On the Undecidability of Fuzzy Description Logics with GCIs with Lukasiewicz t-norm (2011) (38)
- pFOIL-DL: learning (fuzzy) EL concept descriptions from crisp OWL data using a probabilistic ensemble estimation (2015) (37)
- Towards Distributed Information Retrieval in the Semantic Web: Query Reformulation Using the oMAP Framework (2006) (37)
- Fuzzy Description Logic Programs (2007) (36)
- Generalized fuzzy rough description logics (2012) (35)
- The Approximate Well-Founded Semantics for Logic Programs with Uncertainty (2003) (35)
- Any-world assumptions in logic programming (2005) (35)
- DLMedia: an Ontology Mediated Multimedia Information Retrieval System (2007) (35)
- On Fixed-Points of Multivalued Functions on Complete Lattices and Their Application to Generalized Logic Programs (2008) (34)
- Combining Fuzzy Logic and Semantic Web to Enable Situation-Awareness in Service Recommendation (2010) (34)
- A Polynomial Time Subsumption Algorithm for Nominal Safe ELO⊥ under Rational Closure (2018) (34)
- Uncertainty in Description Logics: a Lattice-based Approach (2005) (33)
- SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases (2010) (33)
- Fuzzy matchmaking in e-marketplaces of peer entities using Datalog (2009) (33)
- Vague Knowledge Bases for Matchmaking in P2P E-Marketplaces (2007) (33)
- Multi Criteria Decision Making in Fuzzy Description Logics: A First Step (2009) (33)
- Towards spatial reasoning in fuzzy description logics (2009) (32)
- Epistemic foundation of stable model semantics (2004) (31)
- The Well-Founded Semantics in Normal Logic Programs with Uncertainty (2002) (30)
- Towards a Crisp Representation of Fuzzy Description Logics under Lukasiewicz Semantics (2008) (29)
- Annotated Answer Set Programming (2006) (29)
- On Qualified Cardinality Restrictions in Fuzzy Description Logics under Ëukasiewicz semantics (2008) (29)
- Finite Fuzzy Description Logics and Crisp Representations (2010) (29)
- Top-k retrieval for ontology mediated access to relational databases (2012) (27)
- Fuzzy ALC with Fuzzy Concrete Domains (2005) (26)
- Optimising fuzzy description logic reasoners with general concept inclusion absorption (2016) (25)
- Towards Top-k Query Answering in Deductive Databases (2006) (25)
- Uncertainty and description logic programs over lattices (2006) (24)
- A fuzzy ontology-based approach for tool-supported decision making in architectural design (2018) (24)
- Learning in Description Logics with Fuzzy Concrete Domains (2012) (24)
- A Probabilistic, Logic-Based Framework for Automated Web Directory Alignment (2006) (24)
- A top-k query answering procedure for fuzzy logic programming (2012) (24)
- A Personalized Collaborative Digital Library Environment (2002) (24)
- Representing Uncertainty in RuleML (2008) (23)
- Reasoning within Fuzzy OWL 2 EL revisited (2018) (23)
- Default Knowledge in Logic Programs with Uncertainty (2003) (23)
- All About Fuzzy Description Logics and Applications (2015) (23)
- Query Answering under the Any-World Assumption for Normal Logic Programs (2006) (21)
- Supporting Fuzzy Rough Sets in Fuzzy Description Logics (2009) (21)
- A Logic-based Computational Method for the Automated Induction of Fuzzy Ontology Axioms (2013) (21)
- Mirlog: A Logic for Multimedia Information Retrieval (1998) (21)
- Modelling the Retrieval of Structured Documents Containing Texts and Images (1997) (20)
- An Ontology Mediated Multimedia Information Retrieval System (2010) (20)
- RDF Needs Annotations (2010) (20)
- Towards Vague Query Answering in Logic Programming for Logic-Based Information Retrieval (2007) (19)
- Generalizing type-2 fuzzy ontologies and type-2 fuzzy description logics (2017) (19)
- DL-Media: An Ontology Mediated Multimedia Information Retrieval System (2008) (19)
- Fuzzy Bilateral Matchmaking in e-Marketplaces (2008) (19)
- The Personalized, Collaborative Digital Library Environment CYCLADES and Its Collections Management (2003) (18)
- The Terminological Image Retrieval Model (1997) (18)
- Uncertainty and Partial Non-uniform Assumptions in Parametric Deductive Databases (2002) (17)
- A FOIL-Like Method for Learning under Incompleteness and Vagueness (2013) (16)
- An Overview of Uncertainty and Vagueness in Description Logics for the Semantic Web an Overview of Uncertainty and Vagueness in Description Logics for the Semantic Web (2006) (16)
- A Computationally Tractable Terminological Logic (1991) (16)
- A Framework for the Retrieval of Multimedia Objects Based on Four-Valued Fuzzy Description Logics (2000) (15)
- A Four-Valued Fuzzy Propositional Logic (1997) (15)
- Aggregation operators and Fuzzy OWL 2 (2011) (15)
- On Finding Query Rewritings under Expressive Constraints (2010) (15)
- Uncertainty Management in Logic Programming: Simple and Effective Top-Down Query Answering (2005) (15)
- Foundations of a logic based approach to multimedia document retrieval (1999) (15)
- A Top-Down Query Answering Procedure for Normal Logic Programs Under the Any-World Assumption (2007) (14)
- Epistemic Foundation of the Well-Founded Semantics over Bilattices (2004) (14)
- Datil: Learning Fuzzy Ontology Datatypes (2018) (14)
- Towards Rational Closure for Fuzzy Logic: The Case of Propositional Gödel Logic (2013) (14)
- On the Top-k Retrieval Problem for Ontology-Based Access to Databases (2013) (13)
- oMAP: Results of the Ontology Alignment Contest (2005) (13)
- Fuzzy Description Logics for Bilateral Matchmaking in e-Marketplaces (2008) (13)
- Informative Top-k Retrieval for Advanced Skill Management (2009) (12)
- An Inductive Logic Programming Approach to Learning Inclusion Axioms in Fuzzy Description Logics (2011) (12)
- A System for Learning GCI Axioms in Fuzzy Description Logics (2013) (12)
- Reasoning about the Form and Content of Multimedia Objects (Extended Abstract) (1997) (12)
- Finite Fuzzy Description Logics: A Crisp Representation for Finite Fuzzy ALCH (2010) (12)
- Towards a Fuzzy Logic for Automated Multi-issue Negotiation (2008) (11)
- A System for Retrieving Top-k Candidates to Job Positions (2009) (10)
- Towards Learning Fuzzy DL Inclusion Axioms (2011) (10)
- Fuzzy ontologies and fuzzy integrals (2011) (10)
- An Approach to Representing Uncertainty Rules in RuleML (2006) (10)
- Fuzzy Descriptions Logics with Fuzzy Truth Values (2009) (9)
- SoftFacts: A Top-k Retrieval Engine for a Tractable Description Logic Accessing Relational Databases (2009) (9)
- Dealing with Incompleteness and Vagueness in Inductive Logic Programming (2013) (9)
- A General Framework for Representing (2010) (8)
- Extending Datatype Restrictions in Fuzzy Description Logics (2009) (8)
- On partitioning-based optimisations in expressive fuzzy Description Logics (2015) (8)
- Can ILP Deal with Incomplete and Vague Structured Knowledge? (2011) (8)
- Fudge: Fuzzy ontology building with consensuated fuzzy datatypes (2020) (7)
- Uncertainty and Vagueness in Description Logic Programs for the Semantic Web Uncertainty and Vagueness in Description Logic Programs for the Semantic Web (2007) (7)
- PERSONALIZATION , COLLABORATION , AND RECOMMENDATION IN THE DIGITAL LIBRARY ENVIRONMENT CYCLADES (2004) (7)
- Semantic-Based Top-k Retrieval for Competence Management (2009) (7)
- Approximate well-founded semantics, query answering and generalized normal logic programs over lattices (2009) (7)
- A probabilistic approach to schema matching (2004) (7)
- Metadata Repository (2009) (7)
- General Concept Inclusion Absorptions for Fuzzy Description logics: A First Step (2013) (6)
- From Fuzzy to Annotated Semantic Web Languages (2016) (6)
- Reasoning and Experimenting within Zadeh''s Fuzzy Propositional Logic (2000) (6)
- Fuzzy Description Logics for Component Selection in Software Design (2015) (6)
- Towards a Forensic Event Ontology to Assist Video Surveillance-based Vandalism Detection (2019) (6)
- A system for the fast prototyping of multidimensional image retrieval (1999) (6)
- Cyclades: an Open Collaborative Virtual Archive Environment (2002) (6)
- Complexity Sources in Fuzzy Description Logic (2014) (5)
- On Top-k Retrieval for a Family of Non-monotonic Ranking Functions (2013) (5)
- Top-k Retrieval for Automated Human Resource Management (2009) (5)
- User Profile and Applications to Digital Libraries (1999) (5)
- Uncertainty in Description Logic Programs (2004) (5)
- Document Retrieval by Relevance Terminological Logics (1995) (5)
- Couch potato or gym addict? Semantic lifestyle profiling with wearables and knowledge graphs (2017) (5)
- Extending a Description Logic to Cope with the Completeness of Multimedia Documents (1996) (5)
- An open collaborative virtual archive environment (2004) (5)
- On the relationship between fuzzy logic and four-valued relevance logic (2000) (5)
- Fuzzy Logic, Annotation Domains and Semantic Web Languages (2011) (5)
- Representing Uncertainty Rules in RuleML (2008) (5)
- Reducing the Size of the Optimization Problems in Fuzzy Ontology Reasoning (2015) (4)
- Extending Datalog for Matchmaking in P2P E-Marketplaces (2007) (4)
- The Well-Founded Semantics of Logic Programs over Bilattices : an Alternative Characterisation (2003) (4)
- Basic Concepts and Techniques for Managing Uncertainty and Vagueness in Semantic Web Languages (2007) (4)
- Fuzzy Semantic Web Languages and Beyond (2017) (4)
- Reducing Fuzzy Description Logics into Classical Description Logics (2004) (4)
- oMAP: An Implemented Framework for Automatically Aligning OWL Ontologies (2005) (4)
- Automatic structured query transformation over distributed digital libraries (2006) (4)
- Metasearch: Rank vs. Score Based Rank List Fusion Methods (without Training Data) (2002) (3)
- An Introduction to Fuzzy & Annotated Semantic Web Languages (2018) (3)
- Defeasible RDFS via Rational Closure (2020) (3)
- Information Systems, Technology and Management (2012) (3)
- The terminological image model (1997) (3)
- A MILP-based Decision Procedure for the (Fuzzy) Description Logic ALCB (2014) (3)
- Multimedia Information Retrieval Model (2009) (3)
- Monotonic Mappings Invariant Linearisation of Finite Posets (2010) (3)
- Integration of deep web sources: a distributed information retrieval approach (2017) (2)
- Global System Architecture Report (2001) (2)
- A Framework for Conjunctive Query Answering over Distributed Deep Web Information Resources (2015) (2)
- Default Reasoning in a Terminological Logic (1995) (2)
- Incremental acquisition of knowledge for non-monotonic reasoning (1994) (2)
- Description of alignment implementation and benchmarking results (2005) (2)
- Multimodal Databases (2009) (2)
- Scalable Uncertainty Management: 8th International Conference, SUM 2014, Oxford, UK, September 15-17, 2014, Proceedings (2014) (2)
- On the role of logic in image retrieval (1998) (2)
- A Fuzzy Description Logic Approach to Bilateral Matchmaking in Electronic Marketplaces (2008) (1)
- Web Reasoning and Rule Systems (2012) (1)
- A Minimal Deductive System for RDFS with Negative Statements (2022) (1)
- Distributed Search in the Semantic Web (2003) (1)
- An Ontology-Based Affective Computing Approach for Passenger Safety Engagement on Cruise Ships (2016) (1)
- oMAP: Combining Classifiers for Aligning OWL Ontologies (2005) (1)
- Fuzzy OWL-BOOST: Learning Fuzzy Concept Inclusions via Real-Valued Boosting (2020) (1)
- Proceedings of the 6th international conference on Web Reasoning and Rule Systems (2012) (1)
- Reasoning about Form, Content and Uncertainty for Multimedia Document Retrieval (1996) (1)
- A note on the relationship between fuzzy logic and four-valued logic (2000) (1)
- USER AWARENESS IN CYCLADES: A COLLABORATIVE AND PERSONALIZED ENVIRONMENT FOR OPEN DIGITAL ARCHIVES (2004) (1)
- Towards Ontology-based Explainable Classification of Rare Events (2019) (1)
- Web Ontology Language OWL (2016) (1)
- Multimedia Retrieval and Reasoning (2008) (1)
- How Much Knowledge Is in a Knowledge Base? Introducing Knowledge Measures (Preliminary Report) (2020) (1)
- Retrieval by Relevance Terminological Logics (1995) (1)
- Incremental knowledge acquisition for non-monotonic reasoning (1994) (1)
- A Recommendation System in a Collaborative Digital Library Environment (2002) (1)
- Fuzzy Sets and Mathematical Fuzzy Logic Basics (2016) (0)
- Generalized fuzzy rough description logics q (2012) (0)
- A fuzzy ontology-based approach for tool-supported decision making in architectural design (2018) (0)
- The Serializable and Incremental Semantic Reasoner fuzzyDL (2020) (0)
- A probabilistic , logic-based framework for automated ontology matching (2004) (0)
- A Terminological Default Logic (1991) (0)
- Proceedings of the 8th International Conference on Scalable Uncertainty Management - Volume 8720 (2014) (0)
- The Quest for Fuzzy Logic in Semantic Web Languages (2016) (0)
- Top-k Retrieval for Advanced Skill Management (0)
- A Rational Entailment for Expressive Description Logics via Description Logic Programs (2021) (0)
- PN-OWL: A Two Stage Algorithm to Learn Fuzzy Concept Inclusions from OWL Ontologies (2023) (0)
- Answering in Deductive Databases (2006) (0)
- Workshop Organization Programme Chairs Programme Committee External Reviewers Swrl-f -a Fuzzy-logic Extension of the Semantic Web Rule Language . 97 Description Logics over Multisets (0)
- Project Overview: EUROgatherer - A Personalised Information Gathering System (1997) (0)
- A General Framework for Modelling Conditional Reasoning - Preliminary Report (2022) (0)
- Information filtering and gathering: the Eurogatherer project (1999) (0)
- Chapter XII : Fuzzy Description Logics (2015) (0)
- Defeasible Reasoning in RDFS (2022) (0)
- A Tabling Query Answering Procedure for Normal Logic Programs under the Any-World Assumption (2007) (0)
- Query Languages for SWL-based Knowledge Bases (2016) (0)
- Scalable Uncertainty Management (2014) (0)
- Well-founded Semantics for Parametric Deductive Databases (0)
- On the Tractability of Terminological Logics with Numerical Restrictions (1992) (0)
- Fuzzy Logic and Semantic Web Languages (2010) (0)
- Multi-dimensional Mapping (2009) (0)
- Proceedings of the Doctoral Consortium and Poster Session of the 5th International Symposium on Rules (RuleML 2011@IJCAI) (2011) (0)
- On the Effectiveness of Automatic Schema Matching Over Heterogeneous Digital Libraries (2005) (0)
- Non-uniform Hypothesis in Deductive Databases with Uncertainty (2002) (0)
- Resource Description Language RDF & RDF Schema (2016) (0)
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