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» Querying Semi-Structured Data
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AMW
2009
15 years 7 months ago
Identifying Algebraic Properties to Support Optimization of Unary Similarity Queries
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
Mônica Ribeiro Porto Ferreira, Agma J. M. Tr...
172
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SSDBM
2006
IEEE
162views Database» more  SSDBM 2006»
16 years 21 days ago
On-line Aggregation and Filtering of Pattern-based Queries
We consider an environment where a subscription system continuously evaluates pattern-based requests over unbounded sequential data. We propose an extension of the traditional pat...
Cédric du Mouza, Philippe Rigaux, Michel Sc...
EUSFLAT
2003
107views Fuzzy Logic» more  EUSFLAT 2003»
15 years 8 months ago
A framework for multicriteria selection based on measuring query responses
This paper deals with a problem of multicriteria selection assuming uncertainties including linguistic modifiers both in given data and in queries referring to these data. An app...
Milos Seda, Jiri Dvorak
INFFUS
2008
175views more  INFFUS 2008»
15 years 6 months ago
Adaptive optimization of join trees for multi-join queries over sensor streams
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
Joseph S. Gomes, Hyeong-Ah Choi
JSS
2008
139views more  JSS 2008»
15 years 6 months ago
Dynamic interval-based labeling scheme for efficient XML query and update processing
XML data can be represented by a tree or graph structure and XML query processing requires the information of structural relationships among nodes. The basic structural relationsh...
Jung-Hee Yun, Chin-Wan Chung