Roberto V. Zicari

According to our database, Roberto V. Zicari authored at least 71 papers between 1982 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Lessons Learned in Performing a Trustworthy AI and Fundamental Rights Assessment.

Marjolein Boonstra, Frédérick Bruneault, Subrata Chakraborty, Tjitske Faber, Alessio Gallucci, Eleanore Hickman, Gerard Kema, Heejin Kim, Jaap Kooiker, Elisabeth Hildt, Annegret Lamadé, Emilie Wiinblad Mathez, Florian Möslein, Genien Pathuis, Giovanni Sartor, Marijke Steege, Alice Stocco, Willy Tadema, Jarno Tuimala, Isabel van Vledder, Dennis Vetter, Jana Vetter, Magnus Westerlund, Roberto V. Zicari

CoRR, 2024

2023

Lessons Learned from Assessing Trustworthy AI in Practice.

Dennis Vetter, Julia Amann, Frédérick Bruneault, Megan Coffee, Boris Düdder, Alessio Gallucci, Thomas Krendl Gilbert, Thilo Hagendorff, Irmhild van Halem, Eleanore Hickman, Elisabeth Hildt, Sune Holm, Georgios Kararigas, Pedro Kringen, Vince I. Madai, Emilie Wiinblad Mathez, Jesmin Jahan Tithi, Magnus Westerlund, Renee Wurth, Roberto V. Zicari

Digit. Soc., December, 2023

2022

How to Assess Trustworthy AI in Practice.

Roberto V. Zicari, Julia Amann, Frédérick Bruneault, Megan Coffee, Boris Düdder, Eleanore Hickman, Alessio Gallucci, Thomas Krendl Gilbert, Thilo Hagendorff, Irmhild van Halem, Elisabeth Hildt, Sune Holm, Georgios Kararigas, Pedro Kringen, Vince I. Madai, Emilie Wiinblad Mathez, Jesmin Jahan Tithi, Dennis Vetter, Magnus Westerlund, Renee Wurth

CoRR, 2022

Using Sentence Embeddings and Semantic Similarity for Seeking Consensus when Assessing Trustworthy AI.

Dennis Vetter, Jesmin Jahan Tithi, Magnus Westerlund, Roberto V. Zicari, Gemma Roig

Proceedings of the Workshop on Imagining the AI Landscape after the AI Act (IAIL 2022) co-located with 1st International Conference on Hybrid Human-Artificial Intelligence (HHAI 2022), 2022

2019

Analytics Benchmarks.

Todor Ivanov, Roberto V. Zicari

Proceedings of the Encyclopedia of Big Data Technologies., 2019

2018

Adding Velocity to BigBench.

Todor Ivanov, Patrick Bedué, Ahmad Ghazal, Roberto V. Zicari

Proceedings of the 7th International Workshop on Testing Database Systems, 2018

2017

BigBench V2: The New and Improved BigBench.

Ahmad Ghazal, Todor Ivanov, Pekka Kostamaa, Alain Crolotte, Ryan Voong, Mohammed Al-Kateb, Waleed Ghazal, Roberto V. Zicari

Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016

Tailored Data Science Education Using Gamification.

Roberto V. Zicari, Karsten Tolle, Andrea Manieri

Proceedings of the 2016 IEEE International Conference on Cloud Computing Technology and Science, 2016

2015

Gender effects and cooperation styles in the Facebook community: A quasi-experimental assessment.

Nikolaos Korfiatis, Roberto V. Zicari, Miltiadis D. Lytras

Comput. Hum. Behav., 2015

Benchmarking the Availability and Fault Tolerance of Cassandra.

Marten Rosselli, Raik Niemann, Todor Ivanov, Karsten Tolle, Roberto V. Zicari

Proceedings of the Big Data Benchmarking, 2015

Performance Evaluation of Enterprise Big Data Platforms with HiBench.

Todor Ivanov, Raik Niemann, Sead Izberovic, Marten Rosselli, Karsten Tolle, Roberto V. Zicari

Proceedings of the 2015 IEEE TrustCom/BigDataSE/ISPA, 2015

2014

PoliTwi: Early detection of emerging political topics on twitter and the impact on concept-level sentiment analysis.

Sven Rill, Dirk Reinel, Jörg Scheidt, Roberto V. Zicari

Knowl. Based Syst., 2014

Performance Evaluation of Virtualized Hadoop Clusters.

Todor Ivanov, Roberto V. Zicari, Sead Izberovic, Karsten Tolle

CoRR, 2014

Benchmarking DataStax Enterprise/Cassandra with HiBench.

Todor Ivanov, Raik Niemann, Sead Izberovic, Marten Rosselli, Karsten Tolle, Roberto V. Zicari

CoRR, 2014

Benchmarking Virtualized Hadoop Clusters.

Todor Ivanov, Roberto V. Zicari, Alejandro P. Buchmann

Proceedings of the Big Data Benchmarking - 5th International Workshop, 2014

Using Dependency Bigrams and Discourse Connectives for Predicting the Helpfulness of Online Reviews.

Matthias Mertz, Nikolaos Korfiatis, Roberto V. Zicari

Proceedings of the E-Commerce and Web Technologies - 15th International Conference, 2014

2013

Does query performance optimization lead to energy efficiency? A comparative analysis of energy efficiency of database operations under different workload scenarios

Raik Niemann, Nikolaos Korfiatis, Roberto V. Zicari, Richard Göbel

CoRR, 2013

On the inequality of the 3V's of Big Data Architectural Paradigms: A case for heterogeneity.

Todor Ivanov, Nikolaos Korfiatis, Roberto V. Zicari

CoRR, 2013

Evaluating the Energy Efficiency of OLTP Operations - A Case Study on PostgreSQL.

Raik Niemann, Nikolaos Korfiatis, Roberto V. Zicari, Richard Göbel

Proceedings of the Availability, Reliability, and Security in Information Systems and HCI, 2013

2012

A framework analysis for managing feedback of visitors of a web site.

Clemens Schefels, Roberto V. Zicari

Int. J. Web Inf. Syst., 2012

Managing Web 2.0 Content.

Roberto V. Zicari

Concurr. Comput. Pract. Exp., 2012

How do framing strategies influence the user's choice of content on the Web?

Ioanna D. Constantiou, Natascha Hoebel, Roberto V. Zicari

Concurr. Comput. Pract. Exp., 2012

A phrase-based opinion list for the German language.

Sven Rill, Sven Adolph, Johannes Drescher, Dirk Reinel, Jörg Scheidt, Oliver Schütz, Florian Wogenstein, Roberto V. Zicari, Nikolaos Korfiatis

Proceedings of the 11th Conference on Natural Language Processing, 2012

2010

Reputation, framing strategies and user's choice of content on the Web: an empirical study.

Ioanna D. Constantiou, Natascha Hoebel, Roberto V. Zicari

Concurr. Comput. Pract. Exp., 2010

A framework analysis for managing explicit feedback of visitors of a web site.

Clemens Schefels, Roberto V. Zicari

Proceedings of the iiWAS'2010, 2010

2009

Introducing Zones to a Web Site: A Test Based Evaluation on Semantics, Content, and Business Goals.

Natascha Hoebel, Naveed Mushtaq, Clemens Schefels, Karsten Tolle, Roberto V. Zicari

Proceedings of the 2009 IEEE Conference on Commerce and Enterprise Computing, 2009

2008

Creating User Profiles of Web Visitors Using Zones, Weights and Actions.

Natascha Hoebel, Roberto V. Zicari

Proceedings of the 10th IEEE International Conference on E-Commerce Technology (CEC 2008) / 5th IEEE International Conference on Enterprise Computing, 2008

2007

On Clustering Visitors of a Web Site by Behavior and Interests.

Natascha Hoebel, Roberto V. Zicari

Proceedings of the Advances in Intelligent Web Mastering, Proceedings of the 5th Atlantic Web Intelligence Conference - AWIC 2007, Fontainebleau, France, June 25, 2007

2006

The Design of Gugubarra 2.0: A Tool for Building and Managing Profiles of Web Users.

Natascha Hoebel, Sascha Kaufmann, Karsten Tolle, Roberto V. Zicari

Proceedings of the 2006 IEEE / WIC / ACM International Conference on Web Intelligence (WI 2006), 2006

The Gugubarra Project: Building and Evaluating User Profiles for Visitors of Web Sites.

Natascha Hoebel, Sascha Kaufmann, Karsten Tolle, Roberto V. Zicari

Proceedings of the 1st IEEE Workshop on Hot Topics in Web Systems and Technologies, 2006

2004

Building and Evaluating Non-Obvious User Profiles for Visitors of Web Sites.

Naveed Mushtaq, Peter Werner, Karsten Tolle, Roberto V. Zicari

Proceedings of the 2004 IEEE International Conference on E-Commerce Technology (CEC 2004), 2004

2003

Agent-Based Services for Information Portals.

Ciarán Bryce, Michael Pawlack, Karsten Tolle, Peter Werner, Roberto V. Zicari

Proceedings of the 2003 ACM Symposium on Applied Computing (SAC), 2003

2000

Distributed Application Integration: Myth or Reality? (Panel).

Roberto V. Zicari

Proceedings of the International Symposium on Distributed Objects and Applications, 2000

1998

Business Object Facilities - A Comparative Analysis.

Wolfgang Emmerich, Ernst Ellmer, Birgit Osterholt, Roberto V. Zicari

Proceedings of the Integration heterogener Softwaresysteme, IHS'98, 1998

1997

The Role of Polymorphic Reuse Mechanisms in Schema Evolution in an Object-Oriented Database.

Ling Liu, Roberto V. Zicari, Walter L. Hürsch, Karl J. Lieberherr

IEEE Trans. Knowl. Data Eng., 1997

Advanced Database Systems.

Carlo Zaniolo, Stefano Ceri, Christos Faloutsos, Richard T. Snodgrass, V. S. Subrahmanian, Roberto V. Zicari

Morgan Kaufmann, ISBN: 1-55860-443-X, 1997

1995

Editorial.

Karl J. Lieberherr, Roberto V. Zicari

Theory Pract. Object Syst., 1995

Schema and Database Evolution in the O2 Object Database System.

Fabrizio Ferrandina, Thorsten Meyer, Roberto V. Zicari, Guy Ferran, Joëlle Madec

Proceedings of the VLDB'95, 1995

1994

Implementing Lazy Database Updates for an Object Database System.

Fabrizio Ferrandina, Thorsten Meyer, Roberto V. Zicari

Proceedings of the VLDB'94, 1994

Correctness of Lazy Database Updates for Object Database Systems.

Fabrizio Ferrandina, Thorsten Meyer, Roberto V. Zicari

Proceedings of the Persistent Object Systems, 1994

Polymorphic Reuse Mechanisms for Object-Oriented Database Specifications.

Ling Liu, Roberto V. Zicari, Walter L. Hürsch, Karl J. Lieberherr

Proceedings of the Tenth International Conference on Data Engineering, 1994

1993

Overview and Progress Report of the ESSE Project: Supporting Object-Oriented Database Schema Analysis and Evolution.

Fabiano Cattaneo, Alberto Coen-Porisini, Luigi Lavazza, Roberto V. Zicari

Proceedings of the TOOLS 1993: 10th International Conference on Technology of Object-Oriented Languages and Systems, 1993

Typed Sets as a Basis for Object-Oriented Database Schemas.

Herman Balsters, Rolf A. de By, Roberto V. Zicari

Proceedings of the ECOOP'93, 1993

1992

Schema updates for object-oriented database systems (abstract).

Roberto V. Zicari

Proceedings of the Addendum to the Proceedings on Object-Oriented Programming Systems, 1992

Object-Oriented Database Management Systems.

Roberto V. Zicari

Proceedings of the TOOLS 1992: 7th International Conference on Technology of Object-Oriented Languages and Systems, 1992

The ESSE Project: An Overview.

Alberto Coen-Porisini, Luigi Lavazza, Roberto V. Zicari

Proceedings of the Second Far-East Workshop on Future Database Systems 1992, 1992

The SOL Object-Oriented Database Language.

Roberto V. Zicari, Filippo Cacace, C. Capelli, A. Galipo, A. Pirovano, A. Romboli, Gianfranco Lamperti

Proceedings of the Advanced Information Systems Engineering, 1992

A Framework for Schema Updates In An Object-Oriented Database System.

Roberto V. Zicari

Proceedings of the Building an Object-Oriented Database System, The Story of O2, 1992

1991

Updating the Schema of an Object-Oriented Database (Extended Abstract).

Alberto Coen-Porisini, Luigi Lavazza, Roberto V. Zicari

IEEE Data Eng. Bull., 1991

Interoperability between a Rule-Based Database Language and an Object-Oriented Database Language.

Roberto V. Zicari, Stefano Ceri, Letizia Tanca

Proceedings of the RIDE-IMS '91, 1991

A Framework for Schema Updates In An Object-Oriented Database System.

Roberto V. Zicari

Proceedings of the Seventh International Conference on Data Engineering, 1991

The Design of an Integrity Consistency Checker (ICC) for an Object-Oriented Database System.

Christine Delcourt, Roberto V. Zicari

Proceedings of the ECOOP'91 European Conference on Object-Oriented Programming, 1991

1990

Algres: An Advanced System for Complex Applications.

Stefano Ceri, Stefano Crespi-Reghizzi, Roberto V. Zicari, Gianfranco Lamperti, Luigi Lavazza

IEEE Softw., 1990

Incomplete Information in Object-Oriented Databases.

Roberto V. Zicari

SIGMOD Rec., 1990

Integrating Object-Oriented Data Modeling with a Rule-Based Programming Paradigm.

Filippo Cacace, Stefano Ceri, Stefano Crespi-Reghizzi, Letizia Tanca, Roberto V. Zicari

Proceedings of the 1990 ACM SIGMOD International Conference on Management of Data, 1990

ALGRES Prototype of Reusable Software Modules based on Algebraic Specifications.

Hanna Oktaba, Concepción Pérez de Célis, Roberto V. Zicari

Proceedings of the International Conference on Database and Expert Systems Applications, 1990

1989

An Algebra for Structured Office Documents.

Ralf Hartmut Güting, Roberto V. Zicari, David M. Choy

ACM Trans. Inf. Syst., 1989

Direções de pesquisa em bancos de dados para suporte a novas aplicações.

Claudia Bauzer Medeiros, Roberto V. Zicari

RITA, 1989

ALGRES: An Extended Relational Database System for the Specification and Prototyping of Complex Applications.

Filippo Cacace, Stefano Ceri, Stefano Crespi-Reghizzi, Georg Gottlob, Gianfranco Lamperti, Luigi Lavazza, Letizia Tanca, Roberto V. Zicari

Proceedings of the First Nordic Conference on Advanced Systems Engineering, 1989

1988

Properties and Update Semantics of Consistent Views.

Georg Gottlob, Paolo Paolini, Roberto V. Zicari

ACM Trans. Database Syst., 1988

Object management in local distributed systems.

Songnian Zhou, Roberto V. Zicari

J. Syst. Softw., 1988

Closed World Databases Opened Through Null Values.

Georg Gottlob, Roberto V. Zicari

Proceedings of the Fourteenth International Conference on Very Large Data Bases, August 29, 1988

The Algres Project.

Stefano Ceri, Stefano Crespi-Reghizzi, Georg Gottlob, F. Lamperti, Luigi Lavazza, Letizia Tanca, Roberto V. Zicari

Proceedings of the Advances in Database Technology, 1988

1987

An Introduction to the Nested Sequences of Tuples Data Model and Algebra.

Ralf Hartmut Güting, Roberto V. Zicari

Proceedings of the Nested Relations and Complex Objects, 1987

1986

Operating System Support for Software Migration in a Distributed System.

Roberto V. Zicari

Proceedings of the Fifth Symposium on Reliability in Distributed Software and Database Systems, 1986

1985

Modeling the Ada Task System by Petri Nets.

Dino Mandrioli, Roberto V. Zicari, Carlo Ghezzi, Francesco Tisato

Comput. Lang., 1985

An office specification lanaguage based on path expressions.

S. Ronzani, Francesco Tisato, Roberto V. Zicari

Proceedings of the 1985 ACM SIGSMALL symposium on Small systems, 1985

An Office Specification Language Based on Path Expressions.

S. Ronzani, Francesco Tisato, Roberto V. Zicari

Proceedings of the Büroautomation '85, 1985

1984

A storage structure definiton language for Codasyl Data Bases.

Mauro Negri, Roberto V. Zicari

Inf. Syst., 1984

1982

Semantics of a communication mechanism in a distributed system.

Roberto V. Zicari

Proceedings of the 5th ACM SIGSMALL symposium on Small systems, 1982

Properties of Views and Their Implementation.

Paolo Paolini, Roberto V. Zicari

Proceedings of the Advances in Data Base Theory, 1982