418 search results - page 38 / 84 » An Optimization Framework for Query Recommendation |
CORR
2000
Springer
13 years 8 months ago
2000
Springer
The multidimensional, heterogeneous, and temporal nature of speech databases raises interesting challenges for representation and query. Recently, annotation graphs have been prop...
EDBT
2009
ACM
13 years 6 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Maintaining statistics on multidimensional data distributions is crucial for predicting the run-time and result size of queries and data analysis tasks with acceptable accuracy. To...
VLDB
1989
ACM
14 years 16 days ago
1989
ACM
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...