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» Aggregate queries over ontologies
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61
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DLOG
2009
14 years 10 months ago
Effective Query Rewriting with Ontologies over DBoxes (Extended Abstract)
Inanç Seylan, Enrico Franconi, Jos de Bruij...
83
Voted
RR
2007
Springer
15 years 6 months ago
Consistent Query Answering over Description Logic Ontologies
Domenico Lembo, Marco Ruzzi
ESWS
2006
Springer
15 years 4 months ago
Winnowing Ontologies Based on Application Use
The requirements of specific applications and services are often over estimated when ontologies are designed and built. This sometimes results in many ontologies being too large fo...
Harith Alani, Stephen Harris, Ben O'Neil
152
Voted
ICSNW
2004
Springer
238views Database» more  ICSNW 2004»
15 years 5 months ago
Knowledge Sifter: Agent-Based Ontology-Driven Search over Heterogeneous Databases Using Semantic Web Services
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...
Larry Kerschberg, Mizan Chowdhury, Alberto Damiano...
112
Voted
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
15 years 6 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt