2 Dip. di Informatica e Sistemistica (2009)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati, Marco Ruzzi, ...
Abstract. The goal of data integration is to provide a uniform access to a set of heterogeneous data sources, freeing the user from the knowledge about where the data are, how they are stored, and...
2 Dip. di Informatica e Sistemistica (2009)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
The goal of data integration is to provide a uniform access to a set of heterogeneous data sources, freeing the user from the knowledge about where the data are, how they are stored, and how they can...
On Instance-Level Update and Erasure in Description Logic Ontologies (2009)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
A Description Logic ontology is constituted by two components, a TBox that expresses general knowledge about the concepts and their relationships, and an ABox that describes the properties of...
Linking data to ontologies: The description logic DL-LiteA (2009)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
Abstract. One of the most interesting usages of shared conceptualizations is ontology-based data access. That is, to the usual data layer of an information system we superimpose a conceptual layer to...
Dealing with inconsistencies and incompleteness in database update (position paper) (2009)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
Several areas of research and various application domains have been concerned in the last years with the problem of dealing with incomplete databases. Data integration as well as the Semantic Web are...
When DL-Lite met OWL... (extended abstract) (2009)
Claudio Corona, Emma Di Pasquale, Antonella Poggi, Marco Ruzzi, Fabio Savo
DL-Lite is a family of Description Logics (DLs) whose aim is to capture some of the most popular conceptual modeling formalisms, such as Entity-Relationship model [4] and UML class diagrams 1, while...
When OWL met DL-Lite... (2009)
Claudio Corona, Emma Di Pasquale, Antonella Poggi, Marco Ruzzi, Fabio Savo
Abstract. Recent research in the area of ontology representation for the Semantic Web has led to several different language proposals. Among the others, it led to the standardization of OWL, on one...
2 Dip. di Informatica e Sistemistica (2009)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
The goal of data integration is to provide a uniform access to a set of heterogeneous
The WORKPAD P2P Service-Oriented Infrastructure for Emergency Management (2009)
Tiziana Catarci, Massimiliano De Leoni, Fabio De Rosa, Massimo Mecella, Antonella Poggi, Schahram Dustdar, ...
In this paper, we present the architecture of the research project WORKPAD 1. This project aims at designing and developing an innovative service-oriented software infrastructure for supporting...
On Instance-level Update and Erasure in Description Logic Ontologies (2009)
De Giacomo, Giuseppe, Lenzerini, Maurizio, Poggi, Antonella, Rosati, Riccardo
A Description Logic (DL) ontology is constituted by two components, a TBox that expresses general knowledge about the concepts and their relationships, and an ABox that describes the properties of...
Area —— Model, Design and Construction of a Service-Oriented (2008)
Contact Gregory Cobena, Inria Rocquencourt, Serge Abiteboul, Vikas Bansal, Gregory Cobena, Benjamin Nguyen, ...
We propose a new methodology, a language and tools for the design and construction of Web data warehouses. Our approach is Service Oriented, in that our framework makes an extensive use of Web...
From Information to Interaction: in Pursuit of Task-centred Information Management (2008)
Alan Dix, Akrivi Katifori, Antonella Poggi, Tiziana Catarci, Yannis Ioannidis, Giorgios Lepouras, ...
In this paper we describe two automatic inference mechanisms constructed around a personal ontology with the aim of providing human like assistance for form-filling. This is part of the wider vision...
Emergency Management: from User Requirements to a Flexible P2P Architecture ABSTRACT (2008)
Massimiliano De Leoni, Fabio De Rosa, Andrea Marrella, Massimo Mecella, Antonella Poggi, Alenka Krek, ...
The most effective way to design an emergency management system matching user needs is to perform a User-Centered Design; it relies on continuous interactions with end-users in order to understand...
Complexity and composition of synthesized web services (2008)
Fan, Wenfei, GEERTS, Floris, GELADE, Wouter, NEVEN, Frank, Poggi, Antonella
Linking data to ontologies (2008)
Antonella Poggi, Domenico Lembo, Diego Calvanese, Maurizio Lenzerini, Riccardo Rosati
Abstract. Many organizations nowadays face the problem of accessing existing data sources by means of flexible mechanisms that are both powerful and efficient. Ontologies are widely considered as a...
On the approximation of instance level update and erasure in description logics (2007)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
A Description Logics knowledge base is constituted by two components, called TBox and ABox, where the former expresses general knowledge about the concepts and their relationships, and the latter...
Ontology-based database access (2007)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
Abstract. One of the most interesting usages of shared conceptualizations is ontology-based data access. That is, to the usual data layer of an information system we superimpose a conceptual layer to...
M.: Ontology-based data access with MASTRO. OWL: Experience and Directions (OWLED (2007)
and the Semantic Web [4], clients need to access the services exported by the system, and hence require a representation of the intensional level of the application domain in terms of which they can...
On the approximation of instance level update and erasure in description logics (2007)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
A Description Logics knowledge base is constituted by two components, called TBox and ABox, where the former expresses general knowledge about the concepts and their relationships, and the latter...
On the update of description logic ontologies at the instance level (2006)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
We study the notion of update of an ontology expressed as a Description Logic knowledge base. Such a knowledge base is constituted by two components, called TBox and ABox. The former expresses...
Linking data to ontologies: The description logic DL-LiteA (2006)
Diego Calvanese, Domenico Lembo, Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
Abstract. One of the most interesting usages of shared conceptualizations is ontology-based data access. That is, to the usual data layer of an information system we superimpose a conceptual layer to...
On the update of description logic ontologies at the instance level (2006)
Maurizio Lenzerini, Antonella Poggi, Riccardo Rosati
We study the notion of update of an ontology expressed as a Description Logic knowledge base. Such a knowledge base is constituted by two components, called TBox and ABox. The former expresses...
XML data integration with identification (2005)
Antonella Poggi, Serge Abiteboul
Abstract. Data integration is the problem of combining data residing at different sources, and providing the user with a virtual view, called global schema, independent from the sources. Our goal is...
OntoPIM: How to Rely on a Personal Ontology for Personal Information Management (2005)
Vivi Katifori, Antonella Poggi, Monica Scannapieco, Tiziana Catarci, Yannis Ioannidis
Nowadays, our personal computer contains a huge amount of information, that is stored in several different formats, including emails, pictures, text documents, media file, address books, etc. When we...
Today’s fast and continuous growth of large business organizations enforces an increasing need in integrating and sharing large amounts of data, coming from a number of heterogeneous and...