1168 search results - page 155 / 234 » Optimization strategies for complex queries |
87
Voted
ICTIR
2009
Springer
14 years 8 months ago
2009
Springer
The paper makes three points of significance for IR research: (1) The Cranfield paradigm of IR evaluation seems to lose power when one looks at human instead of system performance....
83
Voted
DBPL
1999
Springer
15 years 2 months ago
1999
Springer
Semistructured databases are treated as dynamically typed: they come equipped with no independent schema or type system to constrain the data. Query languages that are designed fo...
132
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VLDB
2008
ACM
15 years 10 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
146
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
BNCOD
2003
14 years 11 months ago
2003
Data mining aims at discovering important and previously unknown patterns from the dataset in the underlying database. Database mining performs mining directly on data stored in r...