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» Developing Query Patterns
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218
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ICDE
2000
IEEE
144views Database» more  ICDE 2000»
16 years 5 months ago
Power Conservative Multi-Attribute Queries on Data Broadcast
In this paper, we study power conservation techniques for multi-attribute queries on wireless data broadcast channels. Indexing data on broadcast channels can improve client filte...
Qinglong Hu, Wang-Chien Lee, Dik Lun Lee
SIGMOD
2005
ACM
111views Database» more  SIGMOD 2005»
16 years 4 months ago
Efficient Computation of Multiple Group By Queries
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Zhimin Chen, Vivek R. Narasayya
92
Voted
ECIR
2009
Springer
16 years 1 months ago
If I Had a Million Queries
As document collections grow larger, the information needs and relevance judgments in a test collection must be well-chosen within a limited budget to give the most reliable and ro...
Ben Carterette, Virgiliu Pavlu, Evangelos Kanoulas...
EDBT
2009
ACM
127views Database» more  EDBT 2009»
15 years 10 months ago
Answering aggregate keyword queries on relational databases using minimal group-bys
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
Bin Zhou 0002, Jian Pei
ADC
2008
Springer
146views Database» more  ADC 2008»
15 years 10 months ago
A Typed Higher-Order Calculus for Querying XML Databases
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Qing Wang, Klaus-Dieter Schewe