508 search results - page 12 / 102 » Bringing Order to Query Optimization |
EUROCAST
2005
Springer
2005
Springer
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
14 years 1 months ago
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...
IS
2007
13 years 7 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
AAAI
1997
13 years 9 months ago
1997
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
CI
2007
13 years 7 months ago
2007
Abstract. We present a general discussion of what constitutes a marketoriented approach to optimization. We demonstrate how a general framework can be used to conceptually improve ...
LATIN
2010
Springer
14 years 2 months ago
2010
Springer
For a static array A of n totally ordered objects, a range minimum query asks for the position of the minimum between two specified array indices. We show how to preprocess A into...