6274 search results - page 237 / 1255 » From query complexity to computational complexity |
157
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SIGMOD
2000
ACM
15 years 9 months ago
2000
ACM
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
143
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DOLAP
1999
ACM
15 years 9 months ago
1999
ACM
We consider a system in which many users run queries to examine subsets of a large object set. The object set is partitioned into files on tape. A single subset of objects will b...
138
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SIGMOD
1999
ACM
15 years 9 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
147
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ER
2007
Springer
15 years 8 months ago
2007
Springer
The paper presents an unified Description Logic (DL) model for databases. Describing database models using DLs is a fundamental problem in many areas because it turns databases to...
122
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CIT
2006
Springer
15 years 8 months ago
2006
Springer
Radio Frequency Identification (RFID) is slated to become a standard for tagging various products. As more and more products become RFID enabled, fast tag identification mechanism...