473 search results - page 67 / 95 » Adaptive query execution for data management in the cloud |
108
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DEEC
2007
IEEE
15 years 6 months ago
2007
IEEE
The crawler engines of today cannot reach most of the information contained in the Web. A great amount of valuable information is "hidden" behind the query forms of onli...
101
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BTW
2003
Springer
15 years 5 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
DEXA
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
DKE
1998
14 years 11 months ago
1998
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...