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» Approximate Query Answering in Locally Closed Databases
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SIGIR
1998
ACM
14 years 9 months ago
Exploring the Similarity Space
Ranked queries are used to locate relevant documents in text databases. In a ranked query a list of terms is specified, then the documents that most closely match the query are re...
Justin Zobel, Alistair Moffat
EDBTW
2006
Springer
15 years 1 months ago
Towards Similarity-Based Topological Query Languages
Abstract. In recent times, the proliferation of spatial data on the Internet is beginning to allow a much larger audience to access and share data currently available in various Ge...
Alberto Belussi, Omar Boucelma, Barbara Catania, Y...
HPCC
2007
Springer
15 years 4 months ago
A Data Imputation Model in Sensor Databases
Data missing is a common problem in database query processing, which can cause bias or lead to inefficient analyses, and this problem happens more often in sensor databases. The re...
Nan Jiang
ICDE
2008
IEEE
131views Database» more  ICDE 2008»
15 years 11 months ago
Parallel Evaluation of Composite Aggregate Queries
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
Lei Chen 0003, Christopher Olston, Raghu Ramakrish...
ICDE
2009
IEEE
182views Database» more  ICDE 2009»
15 years 11 months ago
Adaptive Parallelization of Queries over Dependent Web Service Calls
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
Manivasakan Sabesan, Tore Risch