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VLDB
2005
ACM
109views Database» more  VLDB 2005»
14 years 8 months ago
Model-based approximate querying in sensor networks
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
Amol Deshpande, Carlos Guestrin, Samuel Madden, Jo...
PVLDB
2010
158views more  PVLDB 2010»
13 years 6 months ago
Building Ranked Mashups of Unstructured Sources with Uncertain Information
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...
Mohamed A. Soliman, Ihab F. Ilyas, Mina Saleeb
VLDB
2005
ACM
125views Database» more  VLDB 2005»
14 years 1 months ago
Rewriting XPath Queries Using Materialized Views
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
Wanhong Xu, Z. Meral Özsoyoglu
ICDE
2007
IEEE
132views Database» more  ICDE 2007»
14 years 9 months ago
XPlainer: Visual Explanations of XPath Queries
The popularity of XML has motivated the development of novel XML processing tools many of which embed the XPath language for XML querying, transformation, constraint specification...
Mariano P. Consens, John W. S. Liu, Flavio Rizzolo
IJSWIS
2008
135views more  IJSWIS 2008»
13 years 7 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...