Search Results for author: Domenico Lembo

Found 4 papers, 0 papers with code

A Framework for Combining Entity Resolution and Query Answering in Knowledge Bases

no code implementations13 Mar 2023 Ronald Fagin, Phokion G. Kolaitis, Domenico Lembo, Lucian Popa, Federico Scafoglieri

We propose a new framework for combining entity resolution and query answering in knowledge bases (KBs) with tuple-generating dependencies (tgds) and equality-generating dependencies (egds) as rules.

Attribute Entity Resolution

CQE in OWL 2 QL: A "Longest Honeymoon" Approach (extended version)

no code implementations22 Jul 2022 Piero Bonatti, Gianluca Cima, Domenico Lembo, Lorenzo Marconi, Riccardo Rosati, Luigi Sauro, Domenico Fabio Savo

Controlled Query Evaluation (CQE) has been recently studied in the context of Semantic Web ontologies.

Information Extraction through AI techniques: The KIDs use case at CONSOB

no code implementations29 Jan 2022 Domenico Lembo, Alessandra Limosani, Francesca Medda, Alessandra Monaco, Federico Maria Scafoglieri

In this paper we report on the initial activities carried out within a collaboration between Consob and Sapienza University.

BIG-bench Machine Learning

CQE in Description Logics Through Instance Indistinguishability (extended version)

no code implementations24 Apr 2020 Gianluca Cima, Domenico Lembo, Riccardo Rosati, Domenico Fabio Savo

Finally, we identify a semantically well-founded notion of approximated query answering for CQE, and prove that, for DL-Lite$_{\mathcal{R}}$ ontologies, this form of CQE is tractable with respect to data complexity and is first-order rewritable, i. e., it is always reducible to the evaluation of a first-order query over the data instance.

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