316 search results - page 21 / 64 » Parallel Selection Query Processing Involving Index in Paral... |
180
Voted
SIGMOD
2007
ACM
16 years 19 days ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
144
Voted
SAC
2010
ACM
15 years 7 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
108
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IPPS
1998
IEEE
15 years 4 months ago
1998
IEEE
On-Line Analytical Processing techniques are used for data analysis and decision support systems. The multidimensionality of the underlying data is well represented by multidimens...
HPDC
2003
IEEE
15 years 5 months ago
2003
IEEE
The ability to efficiently discover information using partial knowledge (for example keywords, attributes or ranges) is important in large, decentralized, resource sharing distri...
127
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DEBS
2009
ACM
15 years 7 months ago
2009
ACM
The nature of data in enterprises and on the Internet is changing. Data used to be stored in a database first and queried later. Today timely processing of new data, represented ...