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» Creating Database Queries by Demonstration
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126
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ADC
2004
Springer
88views Database» more  ADC 2004»
15 years 6 months ago
An Efficient Method for Indexing Now-relative Bitemporal data
Most modern database applications contain a significant amount of time dependent data and a substantial proportion of this data is now-relative, i.e. current now. While much resea...
Bela Stantic, Sankalp Khanna, John Thornton
198
Voted
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
16 years 3 months ago
Designing and Evaluating an XPath Dialect for Linguistic Queries
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
Steven Bird, Yi Chen, Susan B. Davidson, Haejoong ...
VLDB
1995
ACM
96views Database» more  VLDB 1995»
15 years 6 months ago
The Fittest Survives: An Adaptive Approach to Query Optimization
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
Hongjun Lu, Kian-Lee Tan, Son Dao
203
Voted
SIGMOD
2006
ACM
110views Database» more  SIGMOD 2006»
16 years 2 months ago
Supporting ad-hoc ranking aggregates
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas
116
Voted
SIGMOD
1999
ACM
107views Database» more  SIGMOD 1999»
15 years 6 months ago
Client-Site Query Extensions
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...
Tobias Mayr, Praveen Seshadri