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» Predicting query performance
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HPDC
2000
IEEE
15 years 11 months ago
dQUOB: Managing Large Data Flows using Dynamic Embedded Queries
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
Beth Plale, Karsten Schwan
ADBIS
2005
Springer
100views Database» more  ADBIS 2005»
16 years 21 days ago
Evolutionary Learning of Boolean Queries by Genetic Programming
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
Suhail S. J. Owais, Pavel Krömer, Václ...
ISMIR
2005
Springer
170views Music» more  ISMIR 2005»
16 years 20 days ago
Applications of Binary Classification and Adaptive Boosting to the Query-By-Humming Problem
In the “query-by-humming” problem, we attempt to retrieve a specific song from a target set based on a sung query. Recent evaluations of query-by-humming systems show that th...
Charles L. Parker
VLDB
2005
ACM
103views Database» more  VLDB 2005»
16 years 19 days ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
DEXA
2003
Springer
146views Database» more  DEXA 2003»
16 years 11 days ago
An Access Time Cost Model for Spatial Range Queries on Broadcast Geographical Data over Air
Wireless data broadcasting is well known for its excellent scalability. Most geographical data, such as weather and traffic, is public information and has a large number of potenti...
Jianting Zhang, Le Gruenwald