18 results with keyword: 'rewriting based query answering semantic data integration systems'
In this work, we consider the integration of heterogeneous data of any data models, under a global RDF graph data model; further, applications are offered the possibility to query
N/A
Keywords: semantic data integration, XML schema mapping, XML functional dependencies, query reformulation, query answering in peer-to-peer
N/A
In the context of query answering, there are two commonly used approaches for Semantic Web reasoning with large scale instance data: materialization and query rewriting....
N/A
Query answering is achieved via: (i) computing the perfect rewrit- ing with respect to the ontology; the original query is reformulated so as to obtain a sound and complete answer
N/A
Two novel algorithms are imple- mented: the basic query rewriting algorithm transforms target queries into source queries based on mappings, while the query resolution
N/A
The report draws together data from the 2002 National Aboriginal and Torres Strait Islander Social Survey, the 2001 Community Housing and Infrastructure Needs Survey, the
N/A
Also explores topics of nutrition, weight management, fitness, physical activity, exercise, and stress management as part of a total wellness program. (2
N/A
Enrichment schema is an enrichment process of user query outline that will be compared with the data source on the string matching process by adding synonyms,
N/A
i.e., equivalent rewriting using materialized views applied in query optimization, and.. maximally contained rewriting used in data
N/A
There is a strong connection between query answering in data integration and query answering in databases with incomplete information under constraints (or, query answering in
N/A
The OWL 2 QL profile 14 of OWL 2 was designed for ontology-based data access via query rewriting, where answering CQs over a knowledge base is reduced to answering first-order
N/A
Collapse fragility curves obtained for the 6-story structure using the ground motion record bins selected based on the considered proxies: (a) Target " Sa value = 0.8 and (b)
N/A
Votre hotte GE Appliances est conçue pour vous procurer une communication bidirectionnelle entre votre électroménager et un appareil intelligent.. En utilisant les fonctions
N/A
The OWL 2 QL profile 14 of OWL 2 was designed for ontology-based data access via query rewriting, where answering CQs over a knowledge base is reduced to answering first-order
N/A
Sprouting, growth and yield of Nerium Oleander (Apocynaceae) flowering plant was made irrigating with distillery spent wash of different concentrations.. The spent
N/A
The use of SADI compares favourably with approaches based on declarative semantic mappings from data schemas to ontologies, such as query rewriting and RDFizing by
N/A
Query processing has been one of the basic service of data integration, so processing query in single domain is possible through different techniques and software like DBMS
N/A
Although the flow-based redundancy importance measure captures how many users take advantage of link k as a rerouting alternative for the closed link , it does not consider how
N/A