InaPeerDataManagementSystem(PDMS),semanticpeers connect with each other through semantic mappings between their own schemas. Because of schema heterogeneity, due to peers’ autonomy as for data representation, querying a PDMS implies query reformulations across semantic mappings, possibly incurring in a semantic degradation due to the reiterated approximations given by the traversal of long paths. The linkage closeness of semantically similar peers is thus a crucial issue. In this paper we present a strategy for the incremental maintenance of a flexible network organization for PDMSs that clusters together semanti- cally related peers.
Boosting a Network of Semantic Peers / S., Lodi; Mandreoli, Federica; Martoglia, Riccardo; W., Penzo; Sassatelli, Simona. - STAMPA. - (2008), pp. 318-325. (Intervento presentato al convegno 16th Italian Symposium on Advanced Database Systems (SEBD 2008) tenutosi a Mondello, Palermo, Italy nel June 22-25, 2008).
Boosting a Network of Semantic Peers
MANDREOLI, Federica;MARTOGLIA, Riccardo;SASSATELLI, Simona
2008
Abstract
InaPeerDataManagementSystem(PDMS),semanticpeers connect with each other through semantic mappings between their own schemas. Because of schema heterogeneity, due to peers’ autonomy as for data representation, querying a PDMS implies query reformulations across semantic mappings, possibly incurring in a semantic degradation due to the reiterated approximations given by the traversal of long paths. The linkage closeness of semantically similar peers is thus a crucial issue. In this paper we present a strategy for the incremental maintenance of a flexible network organization for PDMSs that clusters together semanti- cally related peers.
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