Abstract The Database Group (DBGroup, www. dbgroup. unimore. it) and Information
System Group (ISGroup, www. isgroup. unimore. it) research activities have been mainly …

Nowadays, people frequently use different keyword-based web search engines to find the
information they need on the web. However, many words are polysemous and, when these …

Schema matching is the problem of finding relationships among concepts across data
sources that are heterogeneous in format and in structure. Starting from the “hidden …

Schema matching is the problem of finding relationships among concepts across
heterogeneous data sources that are heterogeneous in format and in structure. Starting from …

Schema matching is the problem of finding relationships among concepts across
heterogeneous data sources (heterogeneous in format and in structure). Starting from the …

The keen interest in data analytics as well as the highly complex and time-consuming
implementation lead to an increasing demand for services of this kind. Several approaches …

Schema matching is the problem of finding relationships among concepts across
heterogeneous data sources (heterogeneous in format and structure). Schema matching …

In this thesis I affirm and prove how lexical annotation is helpful in data integration. Data
integration is the problem of combining data residing at different sources, and providing the …

Lexical annotation of schema elements can improve effectiveness of schema matching.
However, it cannot be applied is those schema elements that contain abbreviations. In this …

This thesis focuses on Semantic Data Integration Systems, with particular attention to
mediator system approaches, to perform data and service integration. My research activity is …