721 search results - page 138 / 145 » Supporting top-k join queries in relational databases |
108
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EDBT
2009
ACM
14 years 7 months ago
2009
ACM
Data Stream Management Systems (DSMS) operate under strict performance requirements. Key to meeting such requirements is to efficiently handle time-critical tasks such as managing...
163
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
DAWAK
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Data warehouse architectural choices and optimization techniques are critical to decision support query performance. To facilitate these choices, the performance of the d...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
MDM
2007
Springer
15 years 3 months ago
2007
Springer
FriendFinder as a location-based service collects location data from mobile users and distributes a particular user’s location upon request. Privacy of users data especially loc...