2223 search results - page 108 / 445 » Query Optimization in an OODBMS |
121
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SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
179
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SIGMOD
2006
ACM
16 years 16 hour ago
2006
ACM
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
223
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
116
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ADBIS
2000
Springer
15 years 4 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
193
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...